🇺🇸 Indianapolis vs San Francisco 🇺🇸

Indianapolis, United States vs San Francisco, United States — a side-by-side climate comparison to help you pick. San Francisco is the warmer of the two — about 2 degrees warmer on average across the year. San Francisco is drier, with roughly 67 fewer rainy days a year.

Climate at a glance

🇺🇸 Indianapolis🇺🇸 San Francisco
Avg annual high17°C19°C
Hottest monthJuly (29°C)September (24°C)
Coldest monthJanuary (-5°C low)January (8°C low)
Rainy days / year13164
SnowRareRare
Best months to visitMay, September, OctoberJune, July, August

🇺🇸 Indianapolis

Best around May, September, October. Hottest in July (29°C), coldest lows in January (-5°C).

🇺🇸 San Francisco

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

Frequently asked questions

Is Indianapolis or San Francisco warmer?

San Francisco is warmer overall, averaging about 2 degrees higher across the year.

Which is rainier, Indianapolis or San Francisco?

Indianapolis is rainier — San Francisco sees about 67 fewer rainy days per year.

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

Indianapolis is best around May, September, October; San Francisco is best around June, July, August.

Not sure? Find your ideal destination by climate →