Mammoth Lakes Weather in June

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

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

June is in the summer in Mammoth Lakes and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a cool 19°C (67°F), whilst at night 3°C (37°F) is normal.

Mammoth Lakes weather averages (imperial / metric)
Daytime temperature 19.3°C 66.7°F
Nightly temperature 2.6°C 36.6°F
Average temperature 10.9°C 51.6°F
Daily sunshine 12.4 hrs
Avg rainfall 23 mm 0.9 ins
Rainy days 4 days
Sea temperature 14.2°C 57.6°F
Humidity 44%
Windspeed 16.2kph 10 mph

On average June is the 4th driest month of the year in Mammoth Lakes with around 23mm 0.9 inches of rain making it a dry time to visit. This rainfall is typically spread over 4 days, although this may vary considerably.

On the flip side this corresponds to an average of 12.4 hours of sunshine per day.

June temperatures in Mammoth Lakes

Mammoth Lakes average temperature in June

June rainfall

Mammoth Lakes average rain in June

June hourly sunshine

Mammoth Lakes average rain in June

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 June 2025.