Climate Insights for Diomede Island Airport

The climate in Diomede Island Airport is cold. The average annual temperature is -3°C and approximately 474mm of precipitation falls per year. July is the wettest month, receiving around 56mm of rainfall. Diomede Island Airport is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, September. The coldest months are February, January, March, when temperatures can drop to -16°C. Snowfall occurs from January to December, with around 185cm accumulating over the season.

Temperatures in Diomede Island Airport vary considerably across the year, with a 24°C difference between the coldest and warmest months. August is the warmest month, though highs remain moderate at 8°C with a mean of 7°C. February brings the harshest conditions, with lows dropping to -16°C and an average temperature of -15°C. Daily temperature variation is modest, with an average difference of 2°C between highs and lows. The sharpest temperature change occurs between November and December, with a 7°C shift in average temperatures.

Diomede Island Airport is a relatively dry area, receiving approximately 474mm of precipitation annually, which averages out to around 40mm per month. The wettest month is July, averaging 56mm of rainfall. October and August also tend to see above-average precipitation. The driest month is June, with just 21mm. That's 35mm less than July, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall. Snowfall is a regular feature from January to December, with around 185cm accumulating over the season. December typically sees the most snow at around 38cm.

Diomede Island Airport is very windy, with an average annual wind speed of 37km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is December, averaging 45km/h, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in July, with average winds dropping to 30km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 15km/h gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 43km/h in winter, 35km/h in spring, 32km/h in summer, 39km/h in autumn.

It is currently spring in Diomede Island Airport, which began on March 20, 2026. Diomede Island Airport is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in August at around 8°C, while the coldest stretch bottoms out in February near -16°C. Summer is next, beginning on June 21, 2026 — 87 days from now.

The table below shows monthly climate averages for Diomede Island Airport 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. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. 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.