Diamond Valley Lake vs Lake Arrowhead

Diamond Valley Lake is the warmer swim right now at about 23.3°C. They are roughly 66 km apart in United States.

Diamond Valley Lake

California

23.3°C

warm · modelled estimate

October average
23.3°C
Warmest month
August · 27.0°C
Coldest month
12.0°C
Swim season
May–November

Diamond Valley Lake in California, United States warms into the mid-20s °C for reliable summer swimming, and stays mild even in winter.

Lake Arrowhead

California

18.0°C

mild · modelled estimate

October average
18.0°C
Warmest month
August · 22.0°C
Coldest month
6.0°C
Swim season
June–October

Lake Arrowhead in California, United States reaches comfortable swimming temperatures in July and August, and drops close to single digits in winter.

Month by month

LakeJanFebMarAprMayJunJulAugSepOctNovDec
Diamond Valley Lake13.0°C12.0°C13.0°C15.8°C19.5°C23.3°C26.0°C27.0°C26.0°C23.3°C19.5°C15.8°C
Lake Arrowhead7.1°C6.0°C7.1°C10.0°C14.0°C18.0°C20.9°C22.0°C20.9°C18.0°C14.0°C10.0°C

Monthly values are modelled from each lake's long-term winter and summer envelope, then refined with today's forecast air temperature for the headline reading.

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