Antioch vs San Ramon Climate
97%matchOn climate, San Ramon is a 97% match for Antioch. Compared with Antioch, San Ramon has the same winter lows and 4°F (2°C) cooler summer days.
Antioch gets 13 in (341 mm) of rain a year and San Ramon 19 in (483 mm). Antioch's warmest month is July, at 87°F (31°C); San Ramon's is August, at 84°F (29°C).
Climate fingerprints: ring color = average temperature, thickness = rain. January at the top.
Month by month
Highs and lows (°F)
AntiochSan Ramonsolid = high, dashed = low
Rain (in per month)
AntiochSan Ramon
Monthly averages
| Month | High | Low | Rain | |||
|---|---|---|---|---|---|---|
| Antioch | San Ramon | Antioch | San Ramon | Antioch | San Ramon | |
| Jan | 56°F(13°C) | 57°F(14°C) | 40°F(5°C) | 40°F(5°C) | 2.9 in(74 mm) | 3.9 in(99 mm) |
| Feb | 62°F(17°C) | 61°F(16°C) | 43°F(6°C) | 43°F(6°C) | 2.5 in(64 mm) | 3.7 in(93 mm) |
| Mar | 67°F(19°C) | 65°F(18°C) | 46°F(8°C) | 44°F(7°C) | 1.6 in(40 mm) | 2.6 in(67 mm) |
| Apr | 73°F(23°C) | 69°F(21°C) | 48°F(9°C) | 46°F(8°C) | 1.0 in(25 mm) | 1.3 in(34 mm) |
| May | 78°F(26°C) | 73°F(23°C) | 52°F(11°C) | 50°F(10°C) | 0.4 in(10 mm) | 0.6 in(15 mm) |
| Jun | 85°F(29°C) | 80°F(26°C) | 56°F(14°C) | 54°F(12°C) | 0.2 in(4 mm) | 0.2 in(4 mm) |
| Jul | 87°F(31°C) | 83°F(28°C) | 57°F(14°C) | 56°F(13°C) | 0.0 in(0 mm) | 0.0 in(1 mm) |
| Aug | 87°F(31°C) | 84°F(29°C) | 57°F(14°C) | 56°F(14°C) | 0.0 in(1 mm) | 0.0 in(1 mm) |
| Sep | 85°F(30°C) | 83°F(29°C) | 56°F(13°C) | 55°F(13°C) | 0.0 in(1 mm) | 0.1 in(2 mm) |
| Oct | 78°F(26°C) | 77°F(25°C) | 51°F(11°C) | 51°F(10°C) | 0.8 in(21 mm) | 1.1 in(27 mm) |
| Nov | 66°F(19°C) | 66°F(19°C) | 45°F(7°C) | 44°F(7°C) | 1.5 in(38 mm) | 2.0 in(51 mm) |
| Dec | 56°F(14°C) | 58°F(14°C) | 40°F(5°C) | 40°F(5°C) | 2.5 in(63 mm) | 3.5 in(89 mm) |
1991–2020 averages, by calendar month.