Climate Insights for Kwajalein

The climate in Kwajalein is hot. The average annual temperature is 27°C and approximately 2,531 mm of precipitation falls per year. Kwajalein receives a notable amount of rainfall throughout the year, including during its driest month. Kwajalein sits near the equator, so seasonal temperature differences are minimal throughout the year.The climate in Kwajalein is hot. The average annual temperature is 81°F and approximately 99.7 in of precipitation falls per year. Kwajalein receives a notable amount of rainfall throughout the year, including during its driest month. Kwajalein sits near the equator, so seasonal temperature differences are minimal throughout the year.

Kwajalein has relatively stable temperatures year-round, staying within a 2°C range. The warmest month is September, when average highs reach 28°C and the mean temperature sits around 27°C. August is the coolest month, with minimum temperatures around 26°C and an average of 27°C. Daily temperature variation is modest, with an average difference of 2°C between highs and lows.Kwajalein has relatively stable temperatures year-round, staying within a 4°F range. The warmest month is September, when average highs reach 83°F and the mean temperature sits around 81°F. August is the coolest month, with minimum temperatures around 79°F and an average of 81°F. Daily temperature variation is modest, with an average difference of 3°F between highs and lows.

Kwajalein is a very wet location, receiving approximately 2,531 mm of precipitation annually, which averages out to around 211 mm per month. The wettest month is October, averaging 334 mm of rainfall. November and September also tend to see above-average precipitation. The driest month is February, with just 91 mm. That's 242 mm less than October, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall.Kwajalein is a very wet location, receiving approximately 99.7 in of precipitation annually, which averages out to around 8.3 in per month. The wettest month is October, averaging 13.1 in of rainfall. November and September also tend to see above-average precipitation. The driest month is February, with just 3.6 in. That's 9.5 in less than October, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall.

Kwajalein is moderately windy, with an average annual wind speed of 25km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 33km/h, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in September, with average winds dropping to 16km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 17km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 32km/h in winter, 28km/h in spring, 21km/h in summer, 19km/h in autumn.Kwajalein is very windy, with an average annual wind speed of 15mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is February, averaging 21mph, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in September, with average winds dropping to 10mph, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 11mph difference between the calmest and windiest months. This level of variation is worth factoring into travel plans. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 20mph in winter, 18mph in spring, 13mph in summer, 12mph in autumn.

The table below shows monthly climate averages for Kwajalein based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.The table below shows monthly climate averages for Kwajalein based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Fahrenheit (°F). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in miles per hour (mph). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.