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Mammoth Lakes

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Mammoth Lakes Weather, Climate and Best Time to Visit

Data source:Meteostat
Update date:2025-09

Mammoth Lakes year round climate

  • Spring (March–May): Average 32–51°F, cold climate. March has heavier rainfall, while April and May are relatively dry. Common activities: Skiing (remaining snow), Hiking (low altitude areas). Recommended clothing: Warm jacket, warm hat, gloves, waterproof clothing.
  • Summer (June–August): Average 60–68°F, warm and dry climate with a large diurnal temperature variation. Common activities: Hiking, camping, fishing, water activities. Recommended clothing: Light jacket, long-sleeved shirt, short-sleeved shirt, comfortable and breathable pants.
  • Autumn (September–November): Average 47–57°F, cool climate with gradually increasing rainfall. Common activities: Leaf-peeping, hiking. Recommended clothing: Warm jacket, long-sleeved shirt, comfortable pants.
  • Winter (December–February): Average -39–32°F, cold climate with heavy snowfall; a skiing paradise. Common activities: Skiing, snow activities. Recommended clothing: Heavy warm jacket, snow pants, waterproof snow boots, warm hat, gloves, scarf.

Mammoth Lakes climatological average

Annual average temperature: approx. 44.6°F / Annual rainfall: approx. 602 mm / Summer humidity: 30%–40% / Rainiest month: December

Mammoth Lakes monthly average temperature and precipitation

Month
Air temperature (°F)
Precipitation (mm)
January
25°F
88.4
February
25.9°F
83.4
March
32.9°F
109.6
April
41.7°F
18.4
May
51.1°F
17
June
60.3°F
24
July
68.5°F
15.6
August
63.5°F
52.9
September
57.7°F
17.1
October
47.8°F
5.2
November
30.9°F
46
December
30.9°F
125.2

Mammoth Lakes weather for the next seven days

3/10
Tuesday
Partly Cloudy
50°F/17.8°F
3/11
Wednesday
Sunny
54.1°F/20.5°F
3/12
Thursday
Sunny
54.3°F/30.7°F
3/13
Friday
Sunny
61.5°F/35.5°F
3/14
Saturday
Sunny
60.8°F/37°F
3/15
Sunday
Sunny
61.5°F/36.9°F
3/16
Monday
Sunny
65.2°F/39.6°F