Bismarck Climate & Monthly Temperature Overview – United States


Summer in Bismarck, United States

Summer in Bismarck is characterized by warm to hot temperatures and relatively low humidity. The average high temperature in July, the warmest month, is 87°F (31°C), while the average low temperature is 62°F (17°C). On average, Bismarck receives about 2.5 inches of rain in July, the wettest month of the year. Summers in Bismarck are known for their frequent thunderstorms, which can produce heavy rain and strong winds.

Winter in Bismarck, United States

Winter in Bismarck is long and cold. The average high temperature in January, the coldest month, is 22°F (-6°C), while the average low temperature is 8°F (-13°C). On average, Bismarck receives about 1.5 inches of snow in January, the snowiest month of the year. Winters in Bismarck are also known for their strong winds, which can make temperatures feel even colder. As a result of the cold and snowy weather, outdoor activities can be limited during the winter months in Bismarck.

Summer Temperatures

Bismarck, North Dakota experiences warm and humid summers, with average temperatures ranging from the mid-60s to the low-80s Fahrenheit (18-28 degrees Celsius). The warmest month is July, when average temperatures reach a maximum of 83°F (28°C). High humidity levels can make the summer heat feel even more oppressive, particularly during the afternoon and evening hours. However, the nights are generally cool and comfortable, with temperatures dropping into the mid-50s Fahrenheit (13°C).

Winter Temperatures

Winters in Bismarck are long, cold, and dry, with average temperatures hovering around 15°F (-9°C). The coldest month is January, when average low temperatures plummet to -1°F (-18°C) and average high temperatures barely reach 21°F (-6°C). Extreme cold snaps can bring temperatures below zero Fahrenheit (-18°C), accompanied by strong and icy winds. Snowfall is common throughout the winter months, often accumulating several feet (meters) in depth.

Cloud Cover and Types

Bismarck experiences a wide range of cloud conditions throughout the year. During the summer months, the city is often blessed with clear skies and sunshine. However, as fall and winter approach, cloud cover becomes more prevalent. The most common cloud types seen in Bismarck are cirrus, cumulus, and stratus clouds. Cirrus clouds are thin, wispy clouds that appear high in the sky. Cumulus clouds are puffy clouds that resemble cotton balls. Stratus clouds are flat, gray clouds that cover the entire sky.

Seasonal Variation

The amount of cloud cover in Bismarck varies significantly throughout the year. In the summer, clear skies are prevalent, with an average of only 20% cloud cover. In the winter, cloud cover increases to an average of 60%, as colder temperatures and more frequent precipitation contribute to cloud formation. The months with the highest cloud cover are typically December and January. In contrast, the months with the least cloud cover are June and July, when the sunshine dominates.

Precipitation Patterns

Bismarck, located in central North Dakota, experiences a continental climate characterized by significant seasonal variations in precipitation. Annual precipitation averages approximately 16.5 inches (420 mm), with the majority falling during the warmer months of April to September. May and June are typically the wettest months, receiving an average of 3.1 inches (79 mm) and 3.4 inches (86 mm) of precipitation, respectively. During these months, frequent thunderstorms and heavy rainfall events can occur, contributing substantially to the annual total.

In contrast, winter months in Bismarck are relatively dry. December, January, and February typically receive less than 1 inch (25 mm) of precipitation each. Snowfall is common during these months, averaging around 20 inches (51 cm) annually. However, snowfall can vary significantly from year to year, with occasional winters experiencing heavy snowstorms while others may be relatively mild.

Precipitation Patterns

Bismarck experiences a semi-arid climate with low precipitation throughout the year. Average annual rainfall is approximately 17 inches, with the majority occurring during the summer months. June through August are typically the wettest months, with average rainfall ranging from 2 to 4 inches. In contrast, December through February are relatively dry, with an average of less than 1 inch of rainfall each month.

Influencing Factors

The region’s geographical location and topography influence its precipitation patterns. Bismarck is situated on the eastern edge of the Great Plains, where prevailing winds from the west tend to bring dry air masses. Additionally, the area is surrounded by the Missouri River Valley, which can block moisture from reaching the city. As a result, Bismarck receives less rainfall than areas further east or west. Climate change is also affecting Bismarck’s rainfall patterns, with an increase in heavy rainfall events and a decrease in light rainfall events being observed in recent years.

Historical Snowfall Trends

Bismarck, North Dakota, has experienced significant snowfall over the years, with seasonal snowfall varying widely from one year to another. According to the National Oceanic and Atmospheric Administration (NOAA), the average annual snowfall for Bismarck is around 48 inches. However, the city has seen both extreme highs and lows in snowfall during different winters. For instance, in 1996-1997, Bismarck recorded an astonishing 105.5 inches of snow, while in 2011-2012, it received a mere 30.9 inches.

Factors Influencing Snowfall

The amount of snowfall in Bismarck is influenced by various factors, including its location and weather patterns. Situated in the central United States, Bismarck is prone to both cold and warm air masses, which can generate snowstorms. Additionally, the city’s proximity to the Missouri River can lead to increased moisture and, consequently, more snowfall during winter months. Furthermore, prevailing wind directions and atmospheric pressure systems play a crucial role in determining the frequency and intensity of snowfalls in the region.

Sunrise and Sunset Times

Bismarck, located in the central United States, experiences distinct variations in sunrise and sunset times throughout the year. During the summer months, the sun rises early, around 5:30 AM, and sets late, around 9:30 PM, providing ample daylight hours for outdoor activities. In contrast, during the winter months, sunrise occurs later, around 8:00 AM, and sunset is earlier, around 5:00 PM, resulting in shorter days. The longest day of the year in Bismarck is June 21st, with approximately 16 hours of daylight, while the shortest day is December 21st, with only about 8 hours of daylight.

Sunlight Hours and UV Index

Bismarck receives an average of 2,299 hours of sunlight per year, which is slightly above the national average. The city experiences the most sunshine during the summer months, averaging over 10 hours per day, while in the winter months, it receives around 6 hours of sunlight per day. The UV index in Bismarck ranges from moderate to extreme, depending on the time of year and weather conditions. During the summer months, the UV index can reach extreme levels, requiring protective measures such as sunscreen, sunglasses, and hats to avoid sunburn and skin damage.

Moon Phases

The moon exhibits various phases as it orbits Earth, including New Moon, Waxing Crescent, First Quarter, Waxing Gibbous, Full Moon, Waning Gibbous, Third Quarter, and Waning Crescent. The moon’s phase on any given night depends on its position relative to Earth and the Sun. During a New Moon, the moon is not visible as it lies between Earth and the Sun, with its dark side facing Earth. As the moon gradually moves around Earth, its illuminated side becomes visible, progressing through the Waxing Crescent and First Quarter phases. The Full Moon occurs when the moon is opposite the Sun, with its entire illuminated side facing Earth. Subsequently, the moon begins to wane, transitioning through the Waning Gibbous, Third Quarter, and Waning Crescent phases until it reaches the New Moon again.

Moon Visibility

The moon’s visibility in Bismarck, United States, varies throughout the night and the month. During the New Moon phase, the moon is not visible as it lies in the same direction as the Sun. As the moon progresses through its phases, it gradually rises higher in the sky and becomes visible for longer periods. The Full Moon is the most prominent and visible phase of the moon, appearing high in the sky for the entire night. During the waning phases, the moon sets earlier and becomes less visible until it reaches the New Moon again. The visibility of the moon can also be affected by weather conditions, such as clouds or fog, which may obscure its appearance.

Humidity in Bismarck, United States

Bismarck, the capital city of North Dakota, experiences a continental climate characterized by cold, dry winters and warm, humid summers. The average annual humidity level in Bismarck ranges from 55% to 70%, with the highest levels occurring during the summer months.

During the winter months, humidity levels in Bismarck are typically low, hovering around 55-60%. This is primarily due to the cold temperatures, which prevent moisture from evaporating into the atmosphere. As temperatures rise in the spring and summer, however, humidity levels increase significantly. During the warmest months of July and August, average humidity levels can reach 70% or higher. This increase in humidity is caused by increased evaporation from water bodies and vegetation, as well as warm air holding more moisture. The combination of high temperatures and humidity during the summer months can often result in uncomfortable and oppressive conditions.

Wind Speed and Direction

Bismarck, North Dakota, experiences a variety of wind speeds and directions throughout the year. During the winter months, winds are typically stronger and blow from the northwest. These winds can reach speeds of up to 30 miles per hour (48 kilometers per hour) and can cause significant blowing snow and reduced visibility. In the summer months, winds are typically lighter and blow from the southwest. These winds can reach speeds of up to 15 miles per hour (24 kilometers per hour) and can provide some relief from the heat.

Impacts of Wind

The strong winds in Bismarck can have a significant impact on daily life and infrastructure. High winds can cause power outages, damage buildings, and make driving difficult. Blowing snow can also clog roadways and reduce visibility, making it dangerous to travel. In addition, the strong winds can create dust storms, which can also reduce visibility and respiratory problems. To mitigate the impact of wind, many buildings in Bismarck are equipped with windbreaks and other measures to reduce wind resistance.

Summer (June-August)

During the summer months, Bismarck experiences warm and mostly sunny days with occasional showers. Temperatures can range from the mid-60s to the low 90s, making it ideal for outdoor activities. The city hosts several festivals during this time, including the North Dakota Renaissance Faire and the Bismarck-Mandan Rodeo. Visitors can enjoy swimming, boating, and fishing in the Missouri River or exploring the city’s parks and trails.

Spring (April-May) and Fall (September-October)

Spring and fall in Bismarck offer milder temperatures and a vibrant landscape. During April and May, the city comes alive with blooming flowers and trees, creating a picturesque setting for strolls through the parks. Temperatures typically hover in the 50s and 60s, while fall brings crisp mornings and warm afternoons, perfect for hiking or biking on the city’s many trails. The annual Bismarck Art & Culture Crawl takes place in October, showcasing local artists and musicians.

Solar Potential

Bismarck, North Dakota, boasts a favorable solar climate with excellent sunshine hours and relatively low cloud cover. The city experiences an average of 5.5 peak sun hours per day, which is higher than the national average of 4.6 peak sun hours. The clear skies during spring and summer months provide ample opportunities for solar energy generation. Additionally, Bismarck has implemented incentives and policies to encourage solar adoption. The city’s net metering program allows residents to sell excess solar power back to the grid, offsetting their electricity costs.

Solar Installations

In response to the favorable solar potential and incentives, solar installations have increased significantly in Bismarck. The city hosts numerous residential and commercial solar photovoltaic (PV) systems, ranging from small rooftop arrays to large-scale solar farms. Over 500 solar permits have been issued in recent years, and the total installed solar capacity is projected to exceed 1.5 megawatts by 2025. Several local businesses have also adopted solar technology, demonstrating the city’s commitment to sustainability and renewable energy.

Geographic Setting

Bismarck is situated on the Missouri Plateau, a gently rolling upland region in western North Dakota. The city’s topography is characterized by rolling hills, buttes, and river valleys. The principal topographic feature is the Missouri River, which flows through the city and forms a deep, meandering gorge known as the Burleigh County Glacial Valley. The river has carved a series of terraces into the valley walls, creating a distinct landscape with steep slopes and flat-topped plateaus.

Elevation and Slope

Bismarck’s elevation ranges from 1,630 feet (497 meters) above sea level in the Missouri River valley to over 1,800 feet (549 meters) on the surrounding hills. The city is generally flat, with slopes ranging from gentle to moderate. However, there are a few steep slopes, particularly in the Burleigh County Glacial Valley. These slopes provide scenic vistas of the city and the Missouri River. The highest point in Bismarck is Memorial Park, which rises to 1,840 feet (561 meters) above sea level.

Bismarck Municipal Airport (BIS)

Bismarck Municipal Airport (BIS) is the nearest airport to Bismarck, North Dakota, United States. It is located less than 10 miles northeast of the city center. The airport has direct flights to various destinations within the United States, including Chicago, Minneapolis, and Denver. Additionally, it offers connecting flights to other major cities and international destinations. BIS serves as a regional hub for both commercial and general aviation, with multiple airlines providing regular passenger and cargo transportation. It also features a terminal building with amenities such as restaurants, shops, and ground transportation services.

Alternative Airports

While Bismarck Municipal Airport is the most convenient option for air travel in and out of Bismarck, there are alternative airports located within a reasonable driving distance. The Theodore Roosevelt Regional Airport (XWA) in Dickinson, North Dakota, is approximately 130 miles northwest of Bismarck. It offers direct flights to Minneapolis and Denver, as well as connecting services to other destinations. Alternatively, the Minot International Airport (MOT) in Minot, North Dakota, is around 150 miles north of Bismarck and provides similar flight options.

History of Bismarck

Bismarck, the capital of North Dakota, was founded in 1872 as a railroad town. It was named after German Chancellor Otto von Bismarck, who supported the construction of the Northern Pacific Railroad. The city grew rapidly in the late 19th century as a center for trade and transportation. In 1883, it became the territorial capital of Dakota Territory, and when North Dakota became a state in 1889, Bismarck was designated as its capital city.

Geography and Climate

Bismarck is located in south-central North Dakota, on the banks of the Missouri River. The city has a humid continental climate, with cold winters and hot summers. The average temperature in January is 7 degrees Fahrenheit, while the average temperature in July is 75 degrees Fahrenheit. Bismarck receives an average of 18 inches of precipitation per year, mostly in the form of rain and snow. The city is home to several parks and recreational areas, including the Fort Abraham Lincoln State Park and the Missouri River Park.