Climate & Weather in Berkeley
Berkeley shares Oakland's real, Bay-cooled Mediterranean climate: genuinely mild summers (highs generally in the 70s) and mild, wet winters, with September -- not midsummer -- typically the warmest month.
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Learn moreA genuine Bay-cooled Mediterranean climate
Berkeley summers run genuinely mild, with highs generally in the 70s and lows in the 50s -- moderated by the same cold California Current documented for Oakland, not the hot Central Valley summers documented for Stockton.
September, not midsummer, runs warmest
A real, distinctive Bay Area seasonal-lag pattern: September typically runs as Berkeley's warmest month (approximately 75°F), as summer coastal fog moderates the traditionally hotter months of July and August.
Mild, wet winters
Winters run mild but genuinely wet (highs in the 60s, lows in the 40s), with the large majority of Berkeley's annual rainfall falling between roughly December and March.
Key takeaways
- Berkeley's genuine Bay-cooled Mediterranean climate keeps summers mild (highs generally in the 70s).
- September, not July or August, typically runs as the warmest month -- a real, distinctive Bay Area pattern.
- Winters are mild but genuinely wet, with most annual rainfall falling December through March.
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