Mountain air

Mammoth Lakes, California weather in October

Temperature, rain and sunshine in October: long-term averages from 30 years of weather data, not a forecast.

85

Holiday weather in October

Excellent

Best time to visit: June – October

Best for skiing: January – April

What is the weather like in Mammoth Lakes, California in October?

In October, Mammoth Lakes, California is cool: daytime highs average 14 °C, and nights cool down to about 1 °C. The sun shines for around 8 hours a day. Rain is rare: about 3 days bring 20 mm in total. All in all, October is an excellent month for a holiday in Mammoth Lakes, California.

October compared

How the weather changes from September to November. Tap a month to open it.

SeptemberSepOctoberOctNovemberNov
Score1008542
Day20°14°7°
Night7°1°−5°
Sun9 h8 h6 h
Rain days335

More details for October

Daylight
11 h 17 min07:03 – 18:20
UV index
5 · moderateclear sky, noon (estimate)All months
Muggy days
0 daysdew point 18 °C or moreAll months
Wind
10 km/haverage daily peakAll months
Cloud cover
26 %on averageAll months
Hot days
0 days30 °C or more
Snow days
1 day1 cm or more of fresh snowAll months
Time zone
UTC−7America/Los_Angeles

How the score comes together

  • Temperatureweight 50 %79 %
  • Sunshineweight 20 %75 %
  • Few rainy daysweight 30 %100 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Mountain air”.

What to pack in October

  • Sunscreen
  • A jumper for the evenings

Mammoth Lakes, California in October: quick answers

Is Mammoth Lakes, California hot in October?

No. In October, Mammoth Lakes, California is cool: daytime highs average 14 °C and nights drop to about 1 °C.

Does it rain much in Mammoth Lakes, California in October?

Rain is rare: about 3 days bring 20 mm in total.

Mammoth Lakes, California month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences