Climate Insights for Mammoth Lakes Airport

The climate in Mammoth Lakes Airport is cool. The average annual temperature is 7°C and approximately 517mm of precipitation falls per year. January is the wettest month, receiving around 125mm of rainfall. Mammoth Lakes 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. Mammoth Lakes Airport experiences heavy snowfall, typically from January through December.

Temperatures in Mammoth Lakes 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 27°C and the mean temperature sits around 20°C. The coldest month is December, when overnight lows fall to -8°C and the daily average is -3°C. On average, daily temperatures fluctuate by about 13°C between overnight lows and afternoon highs. The sharpest temperature change occurs between May and June, with a 7°C shift in average temperatures.

Mammoth Lakes Airport is a relatively dry area, receiving approximately 517mm of precipitation annually, which averages out to around 43mm per month. The wettest month is January, averaging 125mm of rainfall. February and March also tend to see above-average precipitation. The driest month is September, with just 8mm. That's 116mm 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. Mammoth Lakes Airport receives heavy snowfall, accumulating around 395cm annually from January through December. The snowiest month is January, with approximately 118cm. Winter travel should account for significant snow cover.

Mammoth Lakes 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 October, 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.

It is currently summer in Mammoth Lakes Airport, which began on June 21, 2026. Mammoth Lakes 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 27°C, while the coldest stretch bottoms out in December near -8°C. Autumn is next, beginning on September 23, 2026 — 82 days from now.

The best time to visit Mammoth Lakes 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 13mm 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.

The table below shows monthly climate averages for Mammoth Lakes 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.