Mountain air

Mammoth Lakes, California weather in July

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

99

Holiday weather in July

Excellent

Best time to visit: June – October

Best for skiing: January – April

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

In July, Mammoth Lakes, California is warm: daytime highs average 25 °C, and nights cool down to about 10 °C. With around 10 hours of sunshine a day, there is plenty of sun. Rain is rare: about 4 days bring 16 mm in total. All in all, July is an excellent month for a holiday in Mammoth Lakes, California.

July compared

How the weather changes from June to August. Tap a month to open it.

JuneJunJulyJulAugustAug
Score10099100
Day21°25°24°
Night6°10°9°
Sun11 h10 h10 h
Rain days443

More details for July

Daylight
14 h 32 min05:46 – 20:18
UV index
12 · extremeclear sky, noon (estimate)All months
Muggy days
0 daysdew point 18 °C or moreAll months
Wind
13 km/haverage daily peakAll months
Cloud cover
23 %on averageAll months
Hot days
1 day30 °C or more
Snow days
0 days1 cm or more of fresh snowAll months
Time zone
UTC−7America/Los_Angeles

How the score comes together

  • Temperatureweight 50 %100 %
  • Sunshineweight 20 %100 %
  • Few rainy daysweight 30 %98 %

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

What to pack in July

  • Sunscreen
  • Sunglasses & sun hat
  • Light, breathable clothes
  • A jumper for the evenings

Mammoth Lakes, California in July: quick answers

Is Mammoth Lakes, California hot in July?

Warm rather than hot: in July, daytime highs in Mammoth Lakes, California average 25 °C and nights cool to about 10 °C.

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

Rain is rare: about 4 days bring 16 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