Irvine, California vs San Marcos, California Climate
95%matchIrvine and San Marcos are a 95% climate match. Compared with Irvine, San Marcos has 4°F (2°C) hotter summer days.
Irvine gets 11 in (283 mm) of rain a year and San Marcos 13 in (319 mm). August is the warmest month in both, with highs of 83°F (28°C) in Irvine and 87°F (31°C) in San Marcos.
Climate fingerprints: ring color = average temperature, thickness = rain. January at the top.
Month by month
Highs and lows (°F)
IrvineSan Marcossolid = high, dashed = low
Rain (in per month)
IrvineSan Marcos
Monthly averages
| Month | High | Low | Rain | |||
|---|---|---|---|---|---|---|
| Irvine | San Marcos | Irvine | San Marcos | Irvine | San Marcos | |
| Jan | 69°F(20°C) | 68°F(20°C) | 46°F(8°C) | 44°F(6°C) | 2.3 in(59 mm) | 2.3 in(59 mm) |
| Feb | 69°F(20°C) | 68°F(20°C) | 47°F(8°C) | 44°F(7°C) | 2.7 in(68 mm) | 2.5 in(64 mm) |
| Mar | 70°F(21°C) | 70°F(21°C) | 49°F(9°C) | 46°F(8°C) | 1.8 in(45 mm) | 1.7 in(43 mm) |
| Apr | 73°F(23°C) | 73°F(23°C) | 52°F(11°C) | 49°F(10°C) | 0.7 in(19 mm) | 1.2 in(30 mm) |
| May | 74°F(23°C) | 75°F(24°C) | 56°F(13°C) | 54°F(12°C) | 0.2 in(5 mm) | 0.4 in(10 mm) |
| Jun | 77°F(25°C) | 80°F(27°C) | 60°F(15°C) | 57°F(14°C) | 0.1 in(2 mm) | 0.1 in(2 mm) |
| Jul | 81°F(27°C) | 85°F(30°C) | 63°F(17°C) | 61°F(16°C) | 0.0 in(0 mm) | 0.1 in(2 mm) |
| Aug | 83°F(28°C) | 87°F(31°C) | 64°F(18°C) | 62°F(17°C) | 0.0 in(1 mm) | 0.1 in(3 mm) |
| Sep | 83°F(28°C) | 86°F(30°C) | 62°F(17°C) | 61°F(16°C) | 0.2 in(4 mm) | 0.2 in(5 mm) |
| Oct | 79°F(26°C) | 81°F(27°C) | 57°F(14°C) | 55°F(13°C) | 0.4 in(10 mm) | 0.4 in(10 mm) |
| Nov | 74°F(23°C) | 75°F(24°C) | 50°F(10°C) | 48°F(9°C) | 0.8 in(21 mm) | 1.3 in(34 mm) |
| Dec | 68°F(20°C) | 68°F(20°C) | 45°F(7°C) | 43°F(6°C) | 1.9 in(49 mm) | 2.2 in(57 mm) |
1991–2020 averages, by calendar month.