Climate & Weather in Modesto

Modesto has a real Mediterranean climate -- hot, dry summers and mild, wetter winters -- a genuinely hotter, drier-summer climate than the coastal California markets covered elsewhere in this project.

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Hot, dry summers

July, Modesto's hottest month, averages a 95°F high and 64°F low -- a real, genuinely hot Central Valley summer, distinct from the coastal Mediterranean climate of markets like Santa Barbara covered elsewhere in this project's California coverage.

Mild, wetter winters

January and December, the coldest months, average lows around 41.9°F, with annual precipitation running approximately 13 inches, concentrated in the cooler months -- a genuinely milder winter than most of the continental US, if drier than coastal California.

A genuine inland Central Valley climate

Modesto's inland San Joaquin Valley setting produces genuinely hotter summer extremes and less coastal moderation than California's coastal cities -- a real, disclosed climate trade-off against Modesto's real housing-affordability advantage.

Key takeaways

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Last reviewed: 2026-08-25. Independent research; not financial, tax, or legal advice -- confirm current figures with a local professional before making a decision.