San Francisco vs Santa Rosa, California Climate
68%matchSan Francisco and Santa Rosa are a 68% climate match. Compared with San Francisco, Santa Rosa has 13°F (7°C) hotter summer days and 5°F (3°C) colder winter nights.
San Francisco gets 32 in (815 mm) of rain a year and Santa Rosa 32 in (822 mm). San Francisco's warmest month is September, at 74°F (23°C); Santa Rosa's is July, at 85°F (29°C).
Climate fingerprints: ring color = average temperature, thickness = rain. January at the top.
Month by month
Highs and lows (°F)
San FranciscoSanta Rosasolid = high, dashed = low
Rain (in per month)
San FranciscoSanta Rosa
Monthly averages
| Month | High | Low | Rain | |||
|---|---|---|---|---|---|---|
| San Francisco | Santa Rosa | San Francisco | Santa Rosa | San Francisco | Santa Rosa | |
| Jan | 58°F(14°C) | 59°F(15°C) | 44°F(7°C) | 40°F(4°C) | 6.3 in(160 mm) | 6.3 in(160 mm) |
| Feb | 61°F(16°C) | 64°F(18°C) | 46°F(8°C) | 41°F(5°C) | 6.1 in(154 mm) | 6.5 in(165 mm) |
| Mar | 63°F(17°C) | 66°F(19°C) | 47°F(8°C) | 43°F(6°C) | 4.4 in(112 mm) | 4.6 in(116 mm) |
| Apr | 65°F(19°C) | 71°F(22°C) | 47°F(9°C) | 44°F(7°C) | 2.2 in(57 mm) | 1.9 in(48 mm) |
| May | 68°F(20°C) | 76°F(25°C) | 50°F(10°C) | 48°F(9°C) | 1.0 in(25 mm) | 1.2 in(31 mm) |
| Jun | 71°F(21°C) | 83°F(28°C) | 52°F(11°C) | 52°F(11°C) | 0.3 in(7 mm) | 0.3 in(8 mm) |
| Jul | 71°F(22°C) | 85°F(29°C) | 53°F(12°C) | 53°F(11°C) | 0.1 in(2 mm) | 0.0 in(1 mm) |
| Aug | 72°F(22°C) | 85°F(29°C) | 54°F(12°C) | 53°F(12°C) | 0.1 in(2 mm) | 0.1 in(2 mm) |
| Sep | 74°F(23°C) | 85°F(29°C) | 54°F(12°C) | 52°F(11°C) | 0.2 in(4 mm) | 0.2 in(4 mm) |
| Oct | 72°F(22°C) | 79°F(26°C) | 52°F(11°C) | 47°F(8°C) | 1.7 in(42 mm) | 1.7 in(43 mm) |
| Nov | 65°F(18°C) | 67°F(20°C) | 48°F(9°C) | 42°F(5°C) | 3.4 in(86 mm) | 3.4 in(87 mm) |
| Dec | 59°F(15°C) | 59°F(15°C) | 45°F(7°C) | 38°F(4°C) | 6.5 in(164 mm) | 6.2 in(157 mm) |
1991–2020 averages, by calendar month.