Poway Climate by Month
Poway, California, United States
Hot summers and mild winters, with little rain, mostly from December to March.
The climate in Poway is one of hot summers and mild winters, with little rain, mostly from December to March. Afternoon highs range from 69°F (20°C) in February to 89°F (32°C) in August, and December nights average 43°F (6°C). It gets only 13 in (318 mm) of rain a year. June to September are almost completely dry.
- Warmest month
- 89°F(32°C)
- Average high, August
- Coldest nights
- 43°F(6°C)
- Average low, December
- Rain per year
- 13 in(318 mm)
- Wettest: February
- Humidity
- 54%
- Sunniest: June
Best and worst months in Poway
Best for weatherThe most comfortable weather comes in April, May and November, with highs around 75°F (24°C) and about 1.0 in (25 mm) of rain a month.
Least pleasantAugust and September are the least pleasant; August is the hottest, with highs of 89°F (32°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)
Poway weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 69°F(20°C) | 44°F(7°C) | 2.3 in(58 mm) | 52% | 3.1 |
| FebFebruary | 69°F(20°C) | 45°F(7°C) | 2.6 in(65 mm) | 58% | 3.5 |
| MarMarch | 70°F(21°C) | 46°F(8°C) | 1.8 in(45 mm) | 60% | 5.0 |
| AprAprilBest | 74°F(24°C) | 49°F(10°C) | 1.2 in(30 mm) | 53% | 6.0 |
| MayMayBest | 76°F(25°C) | 53°F(12°C) | 0.4 in(10 mm) | 57% | 6.4 |
| JunJune | 81°F(27°C) | 57°F(14°C) | 0.1 in(2 mm) | 54% | 7.0 |
| JulJuly | 87°F(31°C) | 60°F(16°C) | 0.1 in(2 mm) | 56% | 6.8 |
| AugAugust | 89°F(32°C) | 62°F(17°C) | 0.1 in(2 mm) | 56% | 6.6 |
| SepSeptember | 87°F(31°C) | 61°F(16°C) | 0.2 in(5 mm) | 52% | 5.6 |
| OctOctober | 82°F(28°C) | 55°F(13°C) | 0.4 in(10 mm) | 50% | 4.3 |
| NovNovemberBest | 75°F(24°C) | 48°F(9°C) | 1.3 in(34 mm) | 48% | 3.4 |
| DecDecember | 69°F(20°C) | 43°F(6°C) | 2.2 in(55 mm) | 52% | 2.8 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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