Chino Hills Climate by Month
Chino Hills, California, United States
Hot summers and mild winters, with most rain from December to March.
The climate in Chino Hills is one of hot summers and mild winters, with most rain from December to March. Afternoon highs range from 66°F (19°C) in December to 90°F (32°C) in August, and December nights average 42°F (6°C). Of the 15 in (376 mm) of rain in a typical year, 76% falls from December to March. May to September are almost completely dry.
- Warmest month
- 90°F(32°C)
- Average high, August
- Coldest nights
- 42°F(6°C)
- Average low, December
- Rain per year
- 15 in(376 mm)
- Wettest: February
- Humidity
- 52%
- Sunniest: June
Best and worst months in Chino Hills
Best for weatherThe most comfortable weather comes in May, with highs around 75°F (24°C) and almost no rain.
Least pleasantFebruary and August are the least pleasant; February is the coldest, with highs of only 67°F (19°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)
Chino Hills weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 67°F(19°C) | 43°F(6°C) | 3.1 in(78 mm) | 48% | 2.9 |
| FebFebruary | 67°F(19°C) | 44°F(6°C) | 3.4 in(87 mm) | 54% | 3.4 |
| MarMarch | 69°F(21°C) | 46°F(8°C) | 2.2 in(57 mm) | 56% | 4.9 |
| AprApril | 73°F(23°C) | 48°F(9°C) | 1.2 in(31 mm) | 56% | 5.9 |
| MayMayBest | 75°F(24°C) | 52°F(11°C) | 0.2 in(6 mm) | 59% | 6.4 |
| JunJune | 81°F(27°C) | 56°F(13°C) | 0.0 in(1 mm) | 55% | 7.0 |
| JulJuly | 87°F(31°C) | 60°F(16°C) | 0.0 in(1 mm) | 53% | 7.0 |
| AugAugust | 90°F(32°C) | 61°F(16°C) | 0.0 in(1 mm) | 50% | 6.7 |
| SepSeptember | 87°F(31°C) | 59°F(15°C) | 0.2 in(4 mm) | 50% | 5.5 |
| OctOctober | 81°F(27°C) | 53°F(12°C) | 0.5 in(13 mm) | 44% | 4.2 |
| NovNovember | 73°F(23°C) | 46°F(8°C) | 1.3 in(32 mm) | 45% | 3.3 |
| DecDecember | 66°F(19°C) | 42°F(6°C) | 2.6 in(65 mm) | 49% | 2.6 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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