Climate Overview
The climate in Alpine County Airport is cool. The average annual temperature is 8°C and approximately 706mm of precipitation falls per year. January is the wettest month, receiving around 152mm of rainfall. Alpine County 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 December, February, January, when temperatures can drop to -8°C. Alpine County Airport experiences heavy snowfall, typically from January through December.
Temperature
Alpine County Airport has a wide annual temperature range, spanning 37°C from the coldest to warmest months. The warmest month is July, when average highs reach 29°C and the mean temperature sits around 21°C. The coldest month is December, when overnight lows fall to -8°C and the daily average is -2°C. On average, daily temperatures fluctuate by about 15°C between overnight lows and afternoon highs. The sharpest temperature change occurs between May and June, with a 7°C shift in average temperatures.
Precipitation
Alpine County Airport is a relatively dry area, receiving approximately 706mm of precipitation annually, which averages out to around 59mm per month. The wettest month is January, averaging 152mm of rainfall. February and March also tend to see above-average precipitation. The driest month is June, with just 10mm. That's 142mm less than January, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic. Alpine County Airport receives heavy snowfall, accumulating around 443cm annually from January through December. The snowiest month is January, with approximately 119cm. Winter travel should account for significant snow cover.
Wind
Alpine County Airport is relatively calm, with an average annual wind speed of 2km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is June, averaging 2km/h, though still comfortable for most outdoor activities. The calmest conditions occur in December, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 0km/h between the calmest and windiest months.
Seasons
4 days until Summer
It is currently spring in Alpine County Airport, which began on March 20, 2026. Alpine County 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 29°C, while the coldest stretch bottoms out in December near -8°C. Summer is next, beginning on June 21, 2026 — 4 days from now.
Spring
Temperatures range from -4 to 18°C. Precipitation is moderate at around 230mm for the season, averaging 77mm per month. Winds are generally light, averaging 2km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 8 to 29°C. Precipitation is minimal, with only around 32mm for the entire season. Winds are generally light, averaging 2km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from -3 to 24°C. Rainfall is relatively light, with around 96mm over the season and a monthly average of 32mm. Expect around 38cm of snow accumulation during this period. Winds are generally light, averaging 2km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.
Winter
Temperatures range from -8 to 6°C. Rainfall is heavy, totalling around 347mm across the season with a monthly average of 116mm. Expect around 265cm of snow accumulation during this period. Winds are generally light, averaging 2km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.
Best Time to Visit
The best time to visit Alpine County Airport is during June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 18°C with modest rainfall averaging 11mm per month. By contrast, December can be quite cold with temperatures dropping to -8°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.
Monthly Climate Data
The table below shows monthly climate averages for Alpine County 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.