🇺🇸 San Francisco vs Tucson 🇺🇸

San Francisco, United States vs Tucson, United States — a side-by-side climate comparison to help you pick. Tucson is the warmer of the two — about 10 degrees warmer on average across the year. Tucson is drier, with roughly 19 fewer rainy days a year.

Warmer · TucsonDrier · Tucson

Climate at a glance

🇺🇸 San Francisco🇺🇸 Tucson
Avg annual high
19°C
29°C
Hottest month
September · 24°C
June · 38°C
Coldest monthJanuary (8°C low)January (5°C low)
Rainy days / year
64
45
SnowRareRare
Best months to visitJune, July, AugustFebruary, March, November

🇺🇸 San Francisco

Best around June, July, August. Hottest in September (24°C), coldest lows in January (8°C).

🇺🇸 Tucson

Best around February, March, November. Hottest in June (38°C), coldest lows in January (5°C).

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Frequently asked questions

Is San Francisco or Tucson warmer?

Tucson is warmer overall, averaging about 10 degrees higher across the year.

Which is rainier, San Francisco or Tucson?

San Francisco is rainier — Tucson sees about 19 fewer rainy days per year.

When is the best time to visit San Francisco vs Tucson?

San Francisco is best around June, July, August; Tucson is best around February, March, November.

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