Temecula Climate by Month
Temecula, California, United States
Hot summers and cool winters, with little rain, mostly from November to March.
Hot summers and cool winters, with little rain, mostly from November to March: that's Temecula's climate in short. Afternoon highs range from 67°F (19°C) in January to 94°F (35°C) in August, and December nights average 40°F (5°C). It gets only 12 in (303 mm) of rain a year. May to September are almost completely dry.
- Warmest month
- 94°F(35°C)
- Average high, August
- Coldest nights
- 40°F(5°C)
- Average low, December
- Rain per year
- 12 in(303 mm)
- Wettest: February
- Humidity
- 50%
- Sunniest: June
Best and worst months in Temecula
Best for weatherApril, May and November are the best time for weather in Temecula: highs near 75°F (24°C) and about 0.9 in (22 mm) of rain a month.
Least pleasantAugust is the least pleasant month: it's the hottest, with highs of 94°F (35°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 April.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Temecula weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 67°F(19°C) | 41°F(5°C) | 2.1 in(54 mm) | 50% | 3.0 |
| FebFebruary | 67°F(19°C) | 42°F(6°C) | 2.5 in(63 mm) | 55% | 3.5 |
| MarMarch | 70°F(21°C) | 44°F(7°C) | 1.6 in(40 mm) | 57% | 5.0 |
| AprAprilBest | 74°F(24°C) | 47°F(8°C) | 1.1 in(28 mm) | 50% | 6.0 |
| MayMayBest | 78°F(25°C) | 51°F(11°C) | 0.3 in(8 mm) | 53% | 6.5 |
| JunJune | 83°F(29°C) | 55°F(13°C) | 0.1 in(2 mm) | 53% | 7.1 |
| JulJuly | 91°F(33°C) | 59°F(15°C) | 0.1 in(3 mm) | 50% | 6.9 |
| AugAugust | 94°F(35°C) | 62°F(17°C) | 0.1 in(3 mm) | 46% | 6.6 |
| SepSeptember | 91°F(33°C) | 60°F(15°C) | 0.3 in(7 mm) | 47% | 5.6 |
| OctOctober | 83°F(29°C) | 53°F(12°C) | 0.4 in(10 mm) | 43% | 4.3 |
| NovNovemberBest | 74°F(23°C) | 45°F(7°C) | 1.2 in(30 mm) | 46% | 3.4 |
| DecDecember | 67°F(19°C) | 40°F(5°C) | 2.2 in(55 mm) | 50% | 2.8 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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