Redwood City Climate by Month
Redwood City, California, United States
Warm summers and mild winters, with most rain from December to March.
Warm summers and mild winters, with most rain from December to March: that's Redwood City's climate in short. Expect highs of 78°F (26°C) in August and 59°F (15°C) in January, with the coldest nights (December) near 41°F (5°C). Of the 19 in (473 mm) of rain in a typical year, 71% falls from December to March. June to September are almost completely dry.
- Warmest month
- 78°F(26°C)
- Average high, August
- Coldest nights
- 41°F(5°C)
- Average low, December
- Rain per year
- 19 in(473 mm)
- Wettest: January
- Humidity
- 69%
- Sunniest: June
Best and worst months in Redwood City
Best for weatherThe most comfortable weather comes in June, July and October, with highs around 76°F (24°C) and almost no rain.
Least pleasantDecember and January are the least pleasant; January is the coldest, with highs of only 59°F (15°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in June.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Redwood City weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 59°F(15°C) | 42°F(6°C) | 3.7 in(95 mm) | 79% | 1.9 |
| FebFebruary | 62°F(17°C) | 44°F(7°C) | 3.4 in(86 mm) | 72% | 2.7 |
| MarMarch | 65°F(19°C) | 46°F(8°C) | 2.7 in(69 mm) | 73% | 4.2 |
| AprApril | 69°F(20°C) | 47°F(8°C) | 1.5 in(38 mm) | 67% | 5.5 |
| MayMay | 72°F(22°C) | 51°F(10°C) | 0.5 in(12 mm) | 65% | 6.4 |
| JunJuneBest | 76°F(24°C) | 54°F(12°C) | 0.2 in(4 mm) | 62% | 7.3 |
| JulJulyBest | 78°F(25°C) | 56°F(13°C) | 0.0 in(1 mm) | 67% | 7.2 |
| AugAugust | 78°F(26°C) | 57°F(14°C) | 0.0 in(1 mm) | 65% | 6.5 |
| SepSeptember | 78°F(26°C) | 55°F(13°C) | 0.1 in(2 mm) | 63% | 5.4 |
| OctOctoberBest | 74°F(23°C) | 50°F(10°C) | 1.0 in(25 mm) | 63% | 3.9 |
| NovNovember | 66°F(19°C) | 45°F(7°C) | 2.1 in(53 mm) | 73% | 2.6 |
| DecDecember | 60°F(15°C) | 41°F(5°C) | 3.4 in(87 mm) | 80% | 1.8 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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