Climate Overview
The climate in Alpine County Airport is cool. The average annual temperature is 7°C and approximately 804mm of precipitation falls per year. January is the wettest month, receiving around 147mm 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 -7°C. Alpine County Airport experiences heavy snowfall, typically from January through December.
Temperature
Temperatures in Alpine County Airport vary considerably across the year, with a 35°C difference between the coldest and warmest months. The warmest month is July, when average highs reach 28°C and the mean temperature sits around 20°C. The coldest month is December, when overnight lows fall to -7°C and the daily average is -2°C. On average, daily temperatures fluctuate by about 14°C between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 7°C shift in average temperatures.
Precipitation
Alpine County Airport is a moderately rainy area, receiving approximately 804mm of precipitation annually, which averages out to around 67mm per month. The wettest month is January, averaging 147mm of rainfall. March and December also tend to see above-average precipitation. The driest month is August, with just 15mm. That's 132mm 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 405cm annually from January through December. The snowiest month is January, with approximately 92cm. Winter travel should account for significant snow cover.
Wind
Alpine County Airport is mildly breezy, with an average annual wind speed of 13km/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 15km/h, though still comfortable for most outdoor activities. The calmest conditions occur in December, with average winds dropping to 11km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 4km/h between the calmest and windiest months.
Seasons
88 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 28°C, while the coldest stretch bottoms out in December near -7°C. Summer is next, beginning on June 21, 2026 — 88 days from now.
Spring
Temperatures range from -4 to 16°C. Precipitation is moderate at around 238mm for the season, averaging 79mm per month. Winds are generally light, averaging 14km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 8 to 28°C. Rainfall is relatively light, with around 52mm over the season and a monthly average of 17mm. Winds are generally light, averaging 14km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from -5 to 24°C. Rainfall is relatively light, with around 118mm over the season and a monthly average of 39mm. Expect around 41cm of snow accumulation during this period. Winds are generally light, averaging 12km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.
Winter
Temperatures range from -7 to 6°C. Rainfall is heavy, totalling around 396mm across the season with a monthly average of 132mm. Expect around 242cm of snow accumulation during this period. Winds are generally light, averaging 12km/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 and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 18°C with modest rainfall averaging 17mm per month. By contrast, December can be quite cold with temperatures dropping to -7°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.
