McKinney Climate & Monthly Temperature Overview – United States


Summer in McKinney

During summer, McKinney experiences warm to hot weather, with average temperatures ranging between 75°F and 93°F. The hottest months are July and August, with average highs reaching over 90°F. However, it’s important to note that severe heat waves can elevate temperatures even higher, occasionally surpassing 100°F. The summer months also bring a fair amount of humidity, which can make the heat feel even more intense. Thunderstorms are frequent during this season, often accompanied by heavy rainfall and occasional lightning.

Winter in McKinney

Winter in McKinney is generally mild, with average temperatures between 35°F and 55°F. The coldest month is January, with average lows dropping to around 27°F. While snow is not uncommon, it typically accumulates only for short periods, and temperatures rarely dip below freezing for extended durations. Occasionally, colder air masses can bring freezing temperatures and icy conditions, but these are not the norm. Winter in McKinney is a relatively dry season, with precipitation levels significantly lower than in other seasons.

Monthly Average Temperatures

McKinney, Texas, experiences distinct seasonal variations in temperature, with warm and humid summers and relatively mild winters. The average monthly temperature ranges from the mid-40s Fahrenheit (7-9°C) during the coldest months of December and January to the mid-80s Fahrenheit (28-29°C) during the warmest months of July and August. The shoulder months of March, April, October, and November typically have mild temperatures in the 60s and 70s Fahrenheit (15-24°C).

Annual Average Temperature

Considering the monthly averages, McKinney’s annual average temperature is approximately 65°F (18°C). This temperature is slightly warmer than the national average for the contiguous United States, which is 55°F (13°C). The warm climate of McKinney makes it an ideal location for outdoor activities year-round, with comfortable temperatures even during the cooler months. However, it is important to note that the city can experience the occasional extreme weather event, including occasional heat waves, thunderstorms, and winter storms.

Current Cloud Cover

Currently, the cloud cover in McKinney, United States is at a moderate level, with approximately 50-70% of the sky obscured. The cloud type is predominantly cirrocumulus, characterized by small, white cloud patches with a ripple-like appearance. These clouds are typically indicative of fair weather conditions, although there is a slight chance of light precipitation or drizzle in the coming hours.

Afternoon Forecast

As the day progresses in McKinney, the cloud cover is expected to gradually decrease, resulting in partly cloudy conditions by the afternoon. Cirrus clouds may become more prevalent, appearing as thin, wispy streaks across the sky. The cirrocumulus clouds may dissipate or transform into more diffuse altocumulus clouds, allowing for increased sunlight and a generally pleasant afternoon. However, there remains a small possibility of brief showers or thunderstorms developing during the late afternoon or evening, as the atmosphere becomes more unstable.

Monthly Precipitation Patterns

McKinney, located in the north-central region of Texas, experiences a humid subtropical climate with distinct seasonal precipitation patterns. Winter months (December to February) are generally the driest, with average monthly precipitation ranging between 1.5 and 2.5 inches. During these months, cold fronts often bring brief spells of rainfall or drizzle.

Spring (March to May) witnesses a gradual increase in precipitation, as temperatures rise and the influence of the Gulf of Mexico intensifies. April and May are particularly wet months, with average monthly rainfall approaching 4 inches. Thunderstorms and heavy downpours become more common during this time as warm, moist air from the Gulf collides with cooler air masses.

Summer and Fall Precipitation

Summer (June to August) is the wettest season in McKinney, with average monthly precipitation exceeding 5 inches. Thunderstorms and flash floods are frequent occurrences during this time, often accompanied by heavy rainfall and intense lightning. July is the wettest month of the year, with an average rainfall of 5.7 inches.

Fall (September to November) brings a gradual decrease in precipitation as the influence of the Gulf of Mexico weakens and cold fronts become more prevalent. Average monthly rainfall during fall ranges between 3 and 4 inches. However, occasional cold fronts can still bring sporadic rainfall or thunderstorms during this season.

Historical Rainfall Patterns

McKinney, Texas, has a humid subtropical climate marked by distinct seasons. Annual rainfall averages around 40 inches, with a concentration during the spring and summer months. The wettest period spans April to October, contributing over 75% of the total precipitation.

During this season, thunderstorms and rainfall frequently accompany southerly winds and warm air masses. However, the city also experiences occasional heavy rainfall events year-round, including in winter. Such episodes can lead to localized flooding and disruptions.

Recent Trends and Climate Change Impacts

In recent decades, McKinney has witnessed changes in its rainfall patterns. Notably, there has been an increase in the frequency and intensity of heavy rainfall events. This trend is consistent with broader observations of climate change, which suggests that the region is experiencing a shift towards more extreme weather patterns.

Climate change models project that McKinney will continue to see heavier rainfall in the future, particularly during the spring and summer months. These changes pose challenges for urban planning and infrastructure, requiring proactive measures to mitigate the risk of flooding and other related hazards.

Historical Snowfall Trends

McKinney, Texas, experiences snowfall relatively infrequently. Historical records indicate that significant snowfall events (defined as snowfall accumulation of 2 inches or more) occur on average only once every 3-5 years. The heaviest recorded snowfall in McKinney was 12 inches, which occurred in February 1985. Other notable snowfall events include 4 inches in March 1956, 8 inches in February 1960, and 4 inches in December 2017.

Recent Snowfall Events

In recent years, snowfall in McKinney has been even less common. The last significant snowfall event occurred in December 2017, when the city received 4 inches of snow. Since then, only trace amounts of snow have been recorded. However, the potential for snowfall in McKinney remains, especially during the winter months (December-February).

Climate and Weather in McKinney, Texas

McKinney, Texas experiences a humid subtropical climate, characterized by hot, humid summers and mild winters. Temperatures in the summer months typically range from the low 80s to the high 90s, with humidity levels often reaching 80%. The average annual precipitation is around 39 inches, with most rainfall occurring during the spring and fall months. Winters are generally mild, with average temperatures ranging from the low 40s to the mid-60s. Snowfall is rare, but occasional cold fronts can bring brief periods of freezing temperatures.

Sunshine and Solar Energy

McKinney receives abundant sunshine throughout the year, with an average of 230 sunny days annually. This makes it a prime location for solar energy production. The city has several solar farms and is actively encouraging the use of solar panels by residents and businesses. The average solar radiation in McKinney is around 5.5 kilowatt-hours per square meter per day, providing ample energy for solar power systems. The city’s commitment to renewable energy and its favorable climate make it a suitable location for the development of solar energy projects.

Moon Information for McKinney, United States

The Moon’s position and visibility vary throughout the month due to its orbit around Earth. In McKinney, United States, the Moon experiences different phases, from New Moon to Full Moon and back. The Moon’s phase affects its appearance and timing of rising and setting.

To determine the Moon’s position and visibility for a specific date and time in McKinney, consult a reliable astronomical calendar or mobile application. These resources provide detailed information on the Moon’s phase, rise and set times, and elevation in the sky. You can also use stargazing apps to identify the Moon’s location and track its movement in the night sky.

Humidity Levels

McKinney, Texas experiences varying humidity levels throughout the year. On average, the city has a moderate to high humidity index, with an annual average relative humidity of around 70%. During the summer months (June to August), humidity levels tend to peak, reaching an average of 80% or higher. The high temperatures and abundant moisture in the air can often lead to uncomfortable and oppressive conditions. In contrast, winter months (December to February) typically have lower humidity levels, averaging around 60%. However, occasional cold fronts can bring in drier air, resulting in periods of low humidity.

Impact of Humidity on Weather and Comfort

Humidity plays a significant role in shaping the weather and comfort levels in McKinney. High humidity levels can contribute to hazy and overcast skies, limiting visibility and solar radiation. Additionally, higher humidity levels can make the air feel warmer than the actual temperature, as the moisture in the air reduces the rate of evaporation from the skin. This can lead to a feeling of discomfort, especially during hot and humid summer days. Conversely, low humidity levels can create clear and sunny skies, allowing for greater visibility and reduced discomfort. However, extremely low humidity can also cause dry skin and respiratory issues for some individuals.

Current Wind Conditions

As of the latest weather data, McKinney, United States, is experiencing calm winds. The average wind speed is approximately 0-3 mph, with gusts reaching up to 5 mph. The wind direction is predominantly from the northeast, indicating a gentle breeze flowing from the northeast sector. The current conditions are suitable for outdoor activities that are not significantly impacted by wind, such as walking, light gardening, or leisure time spent outdoors.

Wind Forecast

According to the National Weather Service, the wind forecast for McKinney in the coming hours and days suggests a gradual increase in wind speed. By tomorrow, the average wind speed is anticipated to range between 5-10 mph, with gusts of up to 15 mph. The wind direction is expected to remain predominantly from the northeast, although there may be occasional shifts throughout the day. On subsequent days, the wind conditions are likely to continue with similar patterns, maintaining moderate wind speeds and generally consistent wind direction.

Spring (March-May)

Spring is an ideal time to visit McKinney, as the weather is mild and pleasant. Temperatures typically range from the mid-60s to the mid-80s Fahrenheit (18-29 degrees Celsius). This is a great time to explore the city’s many parks and gardens, such as the Heard Natural Science Museum & Wildlife Sanctuary, which features over 289 acres of natural landscapes and wildlife habitats. The city also hosts several annual events during spring, including the McKinney Cotton Pickin’ Festival and the McKinney Arts Festival.

Fall (September-November)

Fall is another excellent time to visit McKinney. The weather is still warm and sunny, but with a comfortable crispness in the air. Temperatures typically range from the mid-60s to the mid-70s Fahrenheit (18-24 degrees Celsius). This is a great time for outdoor activities such as hiking, biking, and picnicking. The city also hosts several fall festivals, including the Oktoberfest McKinney and the Pumpkin Festival at Adriatica Village.

Solar Energy in McKinney: Potential and Benefits

McKinney, Texas, boasts exceptional solar energy potential due to its abundant sunshine and favorable climate. The city receives an average of 284 sunny days per year, providing ample opportunity for solar panel installations. Utilizing this abundant solar resource can significantly reduce McKinney’s reliance on fossil fuels, contributing to a cleaner and more sustainable energy future. By embracing solar energy, the city can reduce its carbon footprint, improve air quality, and mitigate the effects of climate change.

Incentives and Support

The city of McKinney provides various incentives to encourage the adoption of solar energy, including property tax exemptions for solar systems and rebates for eligible installations. Additionally, Oncor Electric Delivery, the local electric utility, offers net metering programs that allow solar customers to sell excess electricity they generate to the grid at retail rates. These incentives and support measures aim to make solar energy more accessible and affordable for McKinney residents and businesses. The city’s commitment to solar development aligns with its broader sustainability goals and positions McKinney as a leader in the transition to renewable energy.

Elevation and Relief

McKinney, Texas lies in the Eastern Cross Timbers subregion of the Texas North Central Plains. The city’s elevation ranges from approximately 500 feet (152 meters) above sea level in the southeastern portion to around 620 feet (189 meters) in the northwestern area. The terrain within McKinney is generally flat, with gentle undulations and some low hills. The most prominent topographic feature in the city is the 620-foot-tall Craig Ranch Suburbia in the northern part of McKinney.

Hydrology and Drainage

McKinney’s topography is largely influenced by the presence of several creeks and streams that flow through the city. The East Fork of the Trinity River forms the western border of McKinney, while the Elm Fork of the Trinity River flows through the central and southern parts of the city. Other significant waterways include Wilson Creek, Couch Creek, and Hickory Creek. These waterways have shaped the city’s topography, creating a series of valleys and ridges. The creeks and streams also provide drainage for the city, helping to prevent flooding during heavy rainfall events.

Dallas/Fort Worth International Airport (DFW)

Dallas/Fort Worth International Airport (DFW) is the primary international airport serving the Dallas–Fort Worth metroplex and is located approximately 23 miles (37 kilometers) east of McKinney. DFW is a major hub for American Airlines and serves as a gateway to both domestic and international destinations. The airport features five terminals connected by a Skylink train system, offering a wide range of amenities and services, including multiple lounges, duty-free shops, and restaurants. DFW is accessible via major highways and public transportation, making it a convenient and easily accessible option for travelers.

Dallas Love Field Airport (DAL)

Dallas Love Field Airport (DAL) is located approximately 35 miles (56 kilometers) southwest of McKinney and is another major airport serving the Dallas–Fort Worth area. DAL primarily serves domestic destinations with Southwest Airlines being the dominant carrier. The airport has four terminals and offers a variety of amenities and services, including lounges, shops, and restaurants. DAL is accessible via major highways and public transportation, but it is important to note that the airport has limited international service compared to DFW. For international flights, DFW remains the preferred option for travelers in McKinney.

History and Culture

McKinney, a vibrant city in Collin County, Texas, boasts a rich history dating back to the 1840s. The city was named after its founder, Allen McKinney, and was once home to the Shawnee Trail, a vital trade route connecting the Red River to the Gulf of Mexico. Over the years, McKinney has undergone significant transformations, from its early days as a frontier settlement to its current status as a thriving economic and cultural hub. Today, the city celebrates its heritage through numerous historical landmarks, including the Heard-Craig House and the Collin County Courthouse, showcasing its architectural diversity and deep-rooted traditions.

Things to See and Do

McKinney offers a plethora of attractions for visitors of all ages. The Historic Downtown Square, the heart of the city, serves as a vibrant hub for shopping, dining, and entertainment. Visitors can explore the many unique boutiques, art galleries, and antique shops lining the charming streets. The nearby Heard Natural Science Museum & Wildlife Sanctuary provides an enchanting sanctuary for nature enthusiasts, featuring interactive exhibits, hiking trails, and a diverse collection of flora and fauna. The McKinney Arts Center showcases local and national artists’ works, while the Collin County Historical Society Museum preserves and interprets the region’s captivating history. The city also hosts an array of annual events throughout the year, including the popular McKinney Oktoberfest and the Christmas in McKinney festival.