Moreno Valley Climate by Month
Moreno Valley, California, United States
Very hot summers and cool winters, with little rain, mostly from December to March.
Very hot summers and cool winters, with little rain, mostly from December to March: that's Moreno Valley's climate in short. Expect highs of 97°F (36°C) in August and 67°F (20°C) in December, with the coldest nights (December) near 40°F (4°C). It gets only 12 in (306 mm) of rain a year. May to September are almost completely dry. The air is dry, averaging 43% relative humidity.
- Warmest month
- 97°F(36°C)
- Average high, August
- Coldest nights
- 40°F(4°C)
- Average low, December
- Rain per year
- 12 in(306 mm)
- Wettest: February
- Humidity
- 43%
- Sunniest: June
Best and worst months in Moreno Valley
Best for weatherThe most comfortable weather comes in April and November, with highs around 76°F (24°C) and about 0.9 in (23 mm) of rain a month.
Least pleasantJuly and August are the least pleasant; August is the hottest, with highs of 97°F (36°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 November.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Moreno Valley weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 67°F(20°C) | 41°F(5°C) | 2.4 in(60 mm) | 42% | 3.0 |
| FebFebruary | 67°F(20°C) | 42°F(5°C) | 2.8 in(71 mm) | 48% | 3.5 |
| MarMarch | 71°F(22°C) | 44°F(7°C) | 1.8 in(46 mm) | 50% | 5.0 |
| AprAprilBest | 76°F(25°C) | 46°F(8°C) | 0.9 in(24 mm) | 43% | 6.0 |
| MayMay | 81°F(27°C) | 51°F(11°C) | 0.4 in(9 mm) | 46% | 6.7 |
| JunJune | 88°F(31°C) | 55°F(13°C) | 0.1 in(2 mm) | 45% | 7.3 |
| JulJuly | 95°F(35°C) | 60°F(16°C) | 0.1 in(3 mm) | 44% | 7.0 |
| AugAugust | 97°F(36°C) | 62°F(16°C) | 0.1 in(3 mm) | 38% | 6.8 |
| SepSeptember | 93°F(34°C) | 59°F(15°C) | 0.3 in(7 mm) | 39% | 5.7 |
| OctOctober | 85°F(29°C) | 52°F(11°C) | 0.4 in(11 mm) | 38% | 4.4 |
| NovNovemberBest | 75°F(24°C) | 44°F(7°C) | 0.9 in(22 mm) | 40% | 3.4 |
| DecDecember | 67°F(20°C) | 40°F(4°C) | 1.9 in(48 mm) | 43% | 2.7 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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