Spring Valley, California Climate by Month
Spring Valley, California, United States
Hot summers and mild winters, with little rain, mostly from December to March.
Hot summers and mild winters, with little rain, mostly from December to March: that's Spring Valley's climate in short. Expect highs of 87°F (31°C) in August and 69°F (21°C) in January, with the coldest nights (December) near 45°F (7°C). It gets only 11 in (278 mm) of rain a year. May to September are almost completely dry.
- Warmest month
- 87°F(31°C)
- Average high, August
- Coldest nights
- 45°F(7°C)
- Average low, December
- Rain per year
- 11 in(278 mm)
- Wettest: February
- Humidity
- 56%
- Sunniest: June
Best and worst months in Spring Valley
Best for weatherApril, May and November are the best time for weather in Spring Valley: highs near 75°F (24°C) and about 0.8 in (20 mm) of rain a month.
Least pleasantAugust and September are the least pleasant; August is the hottest, with highs of 87°F (31°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)
Spring Valley weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 69°F(21°C) | 45°F(7°C) | 1.9 in(49 mm) | 56% | 3.1 |
| FebFebruary | 69°F(21°C) | 46°F(8°C) | 2.4 in(60 mm) | 56% | 3.6 |
| MarMarch | 71°F(22°C) | 48°F(9°C) | 1.7 in(43 mm) | 58% | 5.0 |
| AprAprilBest | 74°F(24°C) | 50°F(10°C) | 1.0 in(26 mm) | 57% | 6.0 |
| MayMayBest | 76°F(24°C) | 55°F(13°C) | 0.3 in(7 mm) | 61% | 6.4 |
| JunJune | 79°F(26°C) | 58°F(14°C) | 0.1 in(2 mm) | 59% | 6.9 |
| JulJuly | 85°F(29°C) | 61°F(16°C) | 0.1 in(2 mm) | 62% | 6.7 |
| AugAugust | 87°F(31°C) | 63°F(17°C) | 0.1 in(2 mm) | 58% | 6.5 |
| SepSeptember | 86°F(30°C) | 61°F(16°C) | 0.2 in(4 mm) | 57% | 5.5 |
| OctOctober | 82°F(28°C) | 56°F(13°C) | 0.4 in(11 mm) | 50% | 4.3 |
| NovNovemberBest | 76°F(24°C) | 49°F(10°C) | 1.0 in(26 mm) | 47% | 3.4 |
| DecDecember | 69°F(21°C) | 45°F(7°C) | 1.8 in(46 mm) | 51% | 2.9 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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