Fairfield, California vs San Mateo, California Climate
69%matchOn climate, San Mateo is a 69% match for Fairfield. Compared with Fairfield, San Mateo has 13°F (7°C) cooler summer days and more humid air.
Fairfield gets 21 in (536 mm) of rain a year and San Mateo 20 in (511 mm). Fairfield's warmest month is August, at 88°F (31°C); San Mateo's is September, at 76°F (24°C).
Climate fingerprints: ring color = average temperature, thickness = rain. January at the top.
Month by month
Highs and lows (°F)
FairfieldSan Mateosolid = high, dashed = low
Rain (in per month)
FairfieldSan Mateo
Monthly averages
| Month | High | Low | Rain | |||
|---|---|---|---|---|---|---|
| Fairfield | San Mateo | Fairfield | San Mateo | Fairfield | San Mateo | |
| Jan | 56°F(14°C) | 59°F(15°C) | 39°F(4°C) | 43°F(6°C) | 4.6 in(118 mm) | 4.1 in(105 mm) |
| Feb | 62°F(17°C) | 62°F(17°C) | 42°F(6°C) | 45°F(7°C) | 4.3 in(110 mm) | 3.9 in(98 mm) |
| Mar | 67°F(19°C) | 64°F(18°C) | 44°F(7°C) | 46°F(8°C) | 2.8 in(72 mm) | 2.8 in(72 mm) |
| Apr | 73°F(23°C) | 67°F(20°C) | 47°F(8°C) | 47°F(9°C) | 1.2 in(30 mm) | 1.5 in(37 mm) |
| May | 78°F(26°C) | 69°F(21°C) | 51°F(11°C) | 50°F(10°C) | 0.7 in(18 mm) | 0.6 in(14 mm) |
| Jun | 85°F(29°C) | 73°F(23°C) | 55°F(13°C) | 53°F(12°C) | 0.2 in(4 mm) | 0.2 in(4 mm) |
| Jul | 87°F(31°C) | 74°F(23°C) | 55°F(13°C) | 55°F(13°C) | 0.0 in(0 mm) | 0.0 in(1 mm) |
| Aug | 88°F(31°C) | 75°F(24°C) | 55°F(13°C) | 56°F(13°C) | 0.0 in(1 mm) | 0.0 in(1 mm) |
| Sep | 86°F(30°C) | 76°F(24°C) | 54°F(12°C) | 55°F(13°C) | 0.1 in(2 mm) | 0.1 in(2 mm) |
| Oct | 78°F(26°C) | 73°F(23°C) | 50°F(10°C) | 51°F(10°C) | 1.0 in(26 mm) | 1.1 in(27 mm) |
| Nov | 66°F(19°C) | 65°F(19°C) | 43°F(6°C) | 46°F(8°C) | 2.1 in(54 mm) | 2.2 in(56 mm) |
| Dec | 57°F(14°C) | 59°F(15°C) | 39°F(4°C) | 42°F(6°C) | 4.0 in(101 mm) | 3.7 in(94 mm) |
1991–2020 averages, by calendar month.