Mammoth Lakes Weather in July

What's the weather like in Mammoth Lakes (California) in July 2025?

The climate in Mammoth Lakes during July can be summarized as mild and dry.

July is in the summer in Mammoth Lakes and is typically the warmest month of the year. Daytime maximum temperatures average around 24°C (75°F), whilst at night 6°C (44°F) is normal.

Mammoth Lakes weather averages (imperial / metric)
Daytime temperature 24°C 75.2°F
Nightly temperature 6.4°C 43.5°F
Average temperature 15.2°C 59.4°F
Daily sunshine 12.8 hrs
Avg rainfall 22 mm 0.9 ins
Rainy days 5 days
Sea temperature 15.8°C 60.5°F
Humidity 44%
Windspeed 15.1kph 9 mph

On average July is the 3rd driest month of the year in Mammoth Lakes with around 22mm 0.9 inches of rain making it a dry time to visit. This rainfall is typically spread over 5 days, although this may vary considerably.

On the flip side this corresponds to an average of 12.8 hours of sunshine per day.

July temperatures in Mammoth Lakes

Mammoth Lakes average temperature in July

July rainfall

Mammoth Lakes average rain in July

July hourly sunshine

Mammoth Lakes average rain in July

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Mammoth Lakes in July 2025.

Other monthly averages

Best places to visit in July

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Mammoth Lakes weather stats

Mammoth Lakes weather statistics
Hottest month: July 23.6°C 74.5°F
Driest month: September 20mm 0.8ins
Sunniest month: July 12.8hrs
Coldest month: January 3.7°C 38.7°F
Wettest month: January 125mm 4.9ins
Map showing location of Mammoth Lakes (37.64855, -118.97208) Mammoth Lakes map pin © Google

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