Concord, California Climate by Month
Concord, California, United States
Hot summers and cool winters, with most rain from December to March.
The climate in Concord is one of hot summers and cool winters, with most rain from December to March. Afternoon highs range from 57°F (14°C) in January to 88°F (31°C) in August, and December nights average 40°F (4°C). It gets 18 in (464 mm) of rain a year, 72% of it from December to March. June to September are almost completely dry.
- Warmest month
- 88°F(31°C)
- Average high, August
- Coldest nights
- 40°F(4°C)
- Average low, December
- Rain per year
- 18 in(464 mm)
- Wettest: January
- Humidity
- 62%
- Sunniest: June
Best and worst months in Concord
Best for weatherApril, May and October are the best time for weather in Concord: highs near 77°F (25°C) and about 0.9 in (24 mm) of rain a month.
Least pleasantDecember and January are the least pleasant; January is the coldest, with highs of only 57°F (14°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 May.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Concord weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 57°F(14°C) | 40°F(5°C) | 3.9 in(99 mm) | 76% | 1.8 |
| FebFebruary | 63°F(17°C) | 43°F(6°C) | 3.5 in(90 mm) | 73% | 2.6 |
| MarMarch | 67°F(20°C) | 46°F(8°C) | 2.4 in(61 mm) | 65% | 4.2 |
| AprAprilBest | 73°F(23°C) | 47°F(9°C) | 1.3 in(32 mm) | 62% | 5.5 |
| MayMayBest | 78°F(26°C) | 51°F(11°C) | 0.6 in(14 mm) | 58% | 6.4 |
| JunJune | 84°F(29°C) | 56°F(13°C) | 0.2 in(4 mm) | 52% | 7.5 |
| JulJuly | 87°F(31°C) | 57°F(14°C) | 0.0 in(1 mm) | 52% | 7.4 |
| AugAugust | 88°F(31°C) | 57°F(14°C) | 0.0 in(1 mm) | 52% | 6.7 |
| SepSeptember | 86°F(30°C) | 55°F(13°C) | 0.1 in(2 mm) | 55% | 5.5 |
| OctOctoberBest | 79°F(26°C) | 51°F(10°C) | 1.0 in(25 mm) | 52% | 3.9 |
| NovNovember | 67°F(19°C) | 44°F(7°C) | 2.0 in(50 mm) | 67% | 2.5 |
| DecDecember | 58°F(14°C) | 40°F(4°C) | 3.3 in(85 mm) | 77% | 1.7 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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