Climate Insights for Chevak Airport

The climate in Chevak Airport is cold. The average annual temperature is 0°C and approximately 654mm of precipitation falls per year. Chevak Airport receives a notable amount of rainfall throughout the year, including during its driest month. Chevak Airport is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, June. The coldest months are January, February, December, when temperatures can drop to -14°C. Snowfall occurs from January to December, with around 166cm accumulating over the season.

Temperatures in Chevak Airport vary considerably across the year, with a 28°C difference between the coldest and warmest months. July is the warmest month, though highs remain moderate at 14°C with a mean of 11°C. The coldest month is January, when overnight lows fall to -14°C and the daily average is -12°C. Daily temperature variation is modest, with an average difference of 4°C between highs and lows. The sharpest temperature change occurs between April and May, with a 7°C shift in average temperatures.

Chevak Airport is a relatively dry area, receiving approximately 654mm of precipitation annually, which averages out to around 55mm per month. The wettest month is August, averaging 90mm of rainfall. September and October also tend to see above-average precipitation. The driest month is April, with just 35mm. That's 55mm less than August, 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 166cm accumulating over the season. December typically sees the most snow at around 31cm.

Chevak Airport is moderately windy, with an average annual wind speed of 28km/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 34km/h, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in July, with average winds dropping to 23km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 11km/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 32km/h in winter, 28km/h in spring, 24km/h in summer, 29km/h in autumn.

It is currently spring in Chevak Airport, which began on March 20, 2026. Chevak 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 July at around 14°C, while the coldest stretch bottoms out in January near -14°C. Summer is next, beginning on June 21, 2026 — 91 days from now.

The table below shows monthly climate averages for Chevak 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.