Maina Climate & Monthly Temperature Overview – Guam

Average Temperatures and Precipitation

Maina, Guam enjoys a tropical climate with year-round warmth and humidity. Temperatures remain relatively constant throughout the year, averaging between 75 and 85 degrees Fahrenheit (24 to 29 degrees Celsius). January and February are typically the coolest months, while August and September are the warmest. The island experiences significant rainfall, with an annual average of over 120 inches (3,000 millimeters). Most precipitation occurs during the rainy season, which spans from May to October.

Humidity and Wind

Humidity levels in Maina are generally high, often exceeding 80%. This can make the air feel muggy and uncomfortable, especially during the hottest months. The island is also subject to strong winds, particularly during the rainy season. The prevailing wind direction is from the east, which brings moisture from the Pacific Ocean. During tropical storms or typhoons, wind speeds can exceed 100 miles per hour (160 kilometers per hour), causing significant damage to infrastructure and vegetation.

Average Temperature in Maina, Guam

Maina, Guam, experiences a tropical climate with consistent temperatures throughout the year. The average annual temperature hovers around 27 degrees Celsius (81 degrees Fahrenheit), making it a warm and inviting destination for travelers. The warmest months in Maina are May through August, with average temperatures reaching up to 29 degrees Celsius (84 degrees Fahrenheit). During these summer months, the humidity can be quite high, often reaching 80-90%.

In contrast, the cooler months in Maina are November through February, with average temperatures dipping to around 26 degrees Celsius (79 degrees Fahrenheit). However, even during these cooler months, the weather in Maina remains pleasant and comfortable, with minimal temperature fluctuations. The humidity levels also tend to be lower during this time of year, making it an ideal time to visit for those who prefer a drier climate.

Cirrus Clouds in Maina, Guam
Cirrus clouds are thin, wispy clouds that are composed of ice crystals. They are the highest clouds in the sky and are often seen on clear days. Cirrus clouds are formed when water vapor in the atmosphere freezes into ice crystals. These ice crystals then scatter sunlight, which gives cirrus clouds their characteristic white color. Cirrus clouds are usually harmless, but they can sometimes indicate that a storm is approaching.

Cumulonimbus Clouds in Maina, Guam
Cumulonimbus clouds are large, puffy clouds that can reach up to the stratosphere. They are often associated with thunderstorms and can produce heavy rain, hail, and lightning. Cumulonimbus clouds are formed when warm, moist air rises rapidly through the atmosphere. As the air rises, it cools and condenses, forming water droplets. These water droplets then freeze into ice crystals. The ice crystals then collide with each other, growing larger and heavier. Eventually, the ice crystals become too heavy to stay suspended in the air and they fall to the ground as rain, hail, or snow.

Annual Precipitation Patterns

Maina, Guam experiences a tropical monsoon climate characterized by distinct wet and dry seasons. The wet season, known as the “rainy season,” typically lasts from July to November, with peak precipitation occurring in August and September. During this period, Maina receives the majority of its annual precipitation, which averages around 1,300 mm (51 inches). In contrast, the dry season, lasting from December to June, is relatively drier, with average monthly precipitation below 100 mm (4 inches).

Variability and Extremes

Precipitation in Maina can exhibit considerable variability from year to year. During wetter years, rainfall totals can exceed 2,000 mm (79 inches), while during drier years, they may drop below 1,000 mm (39 inches). This variability is influenced by factors such as El Niño-Southern Oscillation (ENSO) events, which can lead to fluctuations in precipitation patterns. In addition, Maina is susceptible to extreme rainfall events, such as tropical cyclones and monsoon depressions, which can dump significant amounts of rain over short periods.

Rainfall Patterns

Maina, Guam, experiences a tropical climate, characterized by consistent year-round humidity and rainfall. The wet season typically spans from June to November, bringing heavy and frequent downpours. During this period, the southwest monsoon winds bring moisture from the surrounding ocean, resulting in thunderstorms and substantial precipitation. Annual rainfall in Maina varies between 2,000 and 3,000 millimeters (79-118 inches), with the wettest months being July and August.

Seasonal Variability and Impacts

During the dry season, from December to May, rainfall is more sporadic and often coincides with the passage of cold fronts. Northeast trade winds bring drier air, reducing precipitation. However, even during the dry season, Maina still receives occasional rainfall, usually in the form of brief showers or drizzle. The seasonal variability in rainfall has a significant impact on the island’s ecosystem, agriculture, and water resources. The abundant rainfall during the wet season supports lush vegetation and replenishes groundwater supplies. However, excessive rainfall events can lead to flooding and erosion, particularly in low-lying areas.

Historical Occurrence of Snowfall in Maina, Guam

Snowfall is a rare phenomenon in Maina, Guam, a tropical island located in the Western Pacific Ocean. The weather in Guam is typically characterized by high temperatures and humidity, with an average temperature of around 85 degrees Fahrenheit (29 degrees Celsius) throughout the year. Precipitation is also abundant, with an average annual rainfall of over 100 inches (254 centimeters).

Despite the warm and humid climate, snowfall has been recorded in Maina on a few isolated occasions. The most recent snowfall event occurred on January 23, 1979, when a cold front from the north brought unseasonably cold temperatures and snow to the island. The snowfall was light and only lasted for a few hours, but it was a memorable event for the residents of Maina. Another snowfall event was recorded in 1964, but the exact date is unknown.

Causes of Snowfall in Maina, Guam

Snowfall in Maina, Guam, is caused by the same atmospheric conditions that produce snowfall in other parts of the world. When a cold front from the north moves over the island, it can bring with it cold air and moisture. If the air is cold enough and the moisture is abundant, snow can form. However, snowfall in Maina is rare because the island is typically too warm for snow to form. For snowfall to occur, the temperature must be below freezing for a sustained period of time, and the relative humidity must be high enough for snow crystals to form.

Sunshine Duration and Hours

Maina, Guam enjoys abundant sunshine throughout the year, making it an ideal destination for sun-seekers and outdoor enthusiasts. The average number of sunshine hours per day ranges from 7 to 8 hours, with minimal variation between months. This consistency in sunlight provides ample opportunities for activities such as swimming, snorkeling, and enjoying the island’s pristine beaches.

UV Index and Sun Safety

The UV index in Maina, Guam is typically high, reaching levels of 12 or higher during the midday hours. This indicates an extremely high risk of ultraviolet (UV) radiation, which can cause skin damage and sunburn. It is crucial to take appropriate sun protection measures, such as wearing protective clothing, applying sunscreen with an SPF of 30 or higher, and seeking shade between 10 am and 4 pm when the UV index is at its peak.

Moon in Maina, Guam

Maina is a village in Guam, located on the western coast of the island. The village is home to a variety of natural attractions, including the Moon, a large rock formation that resembles the moon. The Moon is a popular spot for tourists and locals alike, and it is often used as a backdrop for photographs. The Moon is also a popular spot for hiking, and there are several trails that lead to the top of the formation. From the top of the Moon, visitors can enjoy panoramic views of the surrounding area.

Creation and Formation

The Moon is a limestone formation that was created by the erosion of the surrounding coral reef. The Moon is made up of several different layers of limestone, and each layer has a different texture and color. The Moon is also home to a variety of fossils, including shells, corals, and fish bones. The Moon is thought to be around 10,000 years old, and it has been slowly changing shape over time. The erosion of the Moon has created a number of caves and sinkholes, and these caves are often used by bats and other animals. The Moon is also home to a variety of plants, including trees, shrubs, and flowers.

Daily Humidity

Maina on Guam experiences a tropical climate, characterized by high humidity throughout the year. Daily minimum humidity typically ranges from 70% to 80%, with higher values in the morning and evening. Maximum humidity can reach as high as 90% or even 100% during the warmest and most humid months, typically between June and September. The presence of a nearby coastline and the prevailing trade winds contribute to the high humidity levels.

Seasonal Humidity

Seasonal variations in humidity are present in Maina. During the dry season from January to May, humidity levels tend to be slightly lower, with average minimums around 65% and maximums of 85%. However, the wet season from July to November brings significantly higher humidity. Minimum humidity averages around 75%, while maximums can exceed 95%. The increased rainfall and moisture content in the air during this period contribute to the higher humidity levels.

Prevailing Wind Patterns

Maina, Guam is located in the western Pacific Ocean and experiences a tropical monsoon climate. The prevailing wind patterns in Maina are influenced by the seasonal movement of the Intertropical Convergence Zone (ITCZ), which is a low-pressure zone where the northeast and southeast trade winds converge. During the dry season (December to April), the northeast trade winds prevail, bringing dry and stable atmospheric conditions. These winds typically blow from the east or northeast, with average speeds ranging from 10 to 15 kilometers per hour.

Seasonal Variations

During the wet season (May to November), the southeast trade winds become dominant, bringing warm and moist air from the equatorial regions. The winds typically originate from the southeast or south, and their intensity can increase significantly during tropical storms or typhoons. During these periods, wind speeds can exceed 60 kilometers per hour and cause widespread damage and disruption in Maina. The wet season also brings frequent squalls and thunderstorms, which can produce strong and gusty winds of up to 40 kilometers per hour.

Best time to visit for Weather

Maina, Guam enjoys a tropical climate with consistent warm temperatures and high humidity throughout the year. However, the best time to visit for optimal weather conditions is during the dry season, which typically runs from December to April. During this period, rainfall is at its lowest, and the skies are generally clear and sunny. The average temperature during the dry season ranges from 75°F to 85°F (24°C to 29°C), making it ideal for outdoor activities and water sports.

Best time to visit for Activities

For those seeking adventure and cultural experiences, the best time to visit Maina is during the village’s annual festivities and celebrations. The Guam Micronesia Island Fair, held in June, showcases the diverse cultures of the Pacific islands through dance, music, crafts, and food. The Maina Liberation Day Fiesta in August commemorates the liberation of Guam from Japanese occupation and features traditional food, games, and live entertainment. In December, the Maina Christmas Village transforms the village into a festive wonderland with twinkling lights, holiday decorations, and festive events.

Potential of Solar Energy in Maina, Guam

Maina, Guam, boasts significant potential for solar energy development due to its abundant sunshine and favorable geographic conditions. The island falls within the tropics, receiving consistent solar radiation throughout the year, averaging over 5.5 kWh/m2/day. This high solar irradiance presents an opportunity to harness clean and renewable electricity on a large scale.

Benefits and Implementation

Maina’s transition to solar energy could bring numerous benefits. Solar photovoltaic (PV) systems can reduce dependence on fossil fuels, mitigating greenhouse gas emissions and promoting environmental sustainability. Moreover, solar energy is a cost-effective alternative to traditional energy sources, bringing down electricity bills and stimulating economic growth. The implementation of solar PV systems could create employment opportunities, foster local industries, and enhance the island’s energy independence. To fully leverage this potential, Maina would need to invest in solar infrastructure, establish favorable policies, and raise public awareness about the benefits of solar energy.

Northern Maina

The northern region of Maina in Guam features rolling hills and steep cliffs along the coast. Mount Lamlam, the highest point in Guam at 406 meters (1,332 feet), dominates the landscape. The rugged terrain provides stunning views of the Pacific Ocean, particularly from the summit of Mount Lamlam. The hills are covered in lush vegetation, including tropical forests and grasslands. Deep ravines and waterfalls add to the scenic beauty of the area.

Southern Maina

Southern Maina is characterized by a wider, flatter landscape than the north. The land slopes gently towards the coast, forming a series of rolling hills. The topography is less dramatic than in the north, but still provides scenic vistas. The southern region is home to several beaches, including Agat Beach and Tanguisson Beach. These beaches offer white sands, crystal-clear waters, and ample opportunities for swimming, snorkeling, and other water sports.

Nearest Airport in Maina, Guam

Maina, a village located on the east coast of Guam, is not served by an airport within its immediate vicinity. The nearest airport to Maina is the Antonio B. Won Pat International Airport (GUM), also known as Guam International Airport. This international airport is located in the village of Tamuning, approximately 25 kilometers (16 miles) northwest of Maina.

Guam International Airport is the primary gateway to Guam and serves as a hub for both domestic and international flights. The airport offers connections to major cities in the United States, Asia, and Oceania. Major airlines operating at GUM include United Airlines, Delta Air Lines, Japan Airlines, Korean Air, and China Airlines. Within Guam, the airport provides connections to other villages and towns on the island.

History and Culture

Maina is a historic village in Guam, located on the western coast of the island. Archaeological evidence suggests that the area has been inhabited for centuries, with ancient Chamorro settlements dating back to the Marianas’ pre-contact period. Maina played a significant role during the Spanish colonization of Guam, serving as a major center for agriculture and trade. The village’s rich history is reflected in its colonial architecture, including the San Jose Church, built in the 18th century. Maina is also known for its vibrant Chamorro culture, with various cultural festivals and events held throughout the year.

Natural Attractions

Maina boasts stunning natural attractions that draw visitors from far and wide. The village is home to the pristine Talofofo River, a popular spot for kayaking, tubing, and swimming. The lush Tapacchao Valley offers breathtaking hiking trails, leading through lush forests and past cascading waterfalls. Visitors can also explore the nearby Inarajan Pools, a series of natural rock pools perfect for snorkeling and diving. Maina’s coastline is dotted with secluded beaches, such as Tanguisson Beach, renowned for its crystal-clear waters and white sandy shores. The village’s natural beauty provides a tranquil escape from the hustle and bustle of urban life.