Climate Insights for Chefornak Airport

The climate in Chefornak Airport is cold. The average annual temperature is 1°C and approximately 672mm of precipitation falls per year. Chefornak Airport receives a notable amount of rainfall throughout the year, including during its driest month. Chefornak Airport is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, June, August. The coldest months are January, February, December, when temperatures can drop to -12°C. Snowfall occurs from January to December, with around 166cm accumulating over the season.

Temperatures in Chefornak Airport vary considerably across the year, with a 27°C difference between the coldest and warmest months. July is the warmest month, though highs remain moderate at 15°C with a mean of 12°C. The coldest month is January, when overnight lows fall to -12°C and the daily average is -10°C. Daily temperature variation is modest, with an average difference of 5°C between highs and lows. The sharpest temperature change occurs between April and May, with a 7°C shift in average temperatures.

Chefornak Airport is a relatively dry area, receiving approximately 672mm of precipitation annually, which averages out to around 56mm per month. The wettest month is September, averaging 80mm of rainfall. August and October also tend to see above-average precipitation. The driest month is April, with just 40mm. That's 40mm less than September, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Snowfall is a regular feature from January to December, with around 166cm accumulating over the season. February typically sees the most snow at around 35cm.

Chefornak Airport is very windy, with an average annual wind speed of 31km/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 39km/h, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in July, with average winds dropping to 24km/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 36km/h in winter, 31km/h in spring, 25km/h in summer, 30km/h in autumn.

It is currently spring in Chefornak Airport, which began on March 20, 2026. Chefornak 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 15°C, while the coldest stretch bottoms out in January near -12°C. Summer is next, beginning on June 21, 2026 — 91 days from now.

The table below shows monthly climate averages for Chefornak 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.