Adelanto Climate by Month
Adelanto, California, United States
Very hot summers and cool winters, with almost no rain.
The climate in Adelanto is one of very hot summers and cool winters, with almost no rain. Expect highs of 98°F (37°C) in August and 59°F (15°C) in December, with the coldest nights (December) near 31°F (0°C). It gets only 4.1 in (105 mm) of rain a year. April to October are almost completely dry. The air is dry, averaging 37% relative humidity.
- Warmest month
- 98°F(37°C)
- Average high, August
- Coldest nights
- 31°F(0°C)
- Average low, December
- Rain per year
- 4.1 in(105 mm)
- Wettest: December
- Humidity
- 37%
- Sunniest: June
Best and worst months in Adelanto
Best for weatherThe most comfortable weather comes in April, with highs around 75°F (24°C) and almost no rain.
Least pleasantJuly and August are the least pleasant; August is the hottest, with highs of 98°F (37°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)
Adelanto weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 60°F(15°C) | 33°F(1°C) | 0.6 in(16 mm) | 47% | 2.9 |
| FebFebruary | 63°F(17°C) | 35°F(2°C) | 0.7 in(18 mm) | 42% | 3.7 |
| MarMarch | 68°F(20°C) | 39°F(4°C) | 0.4 in(10 mm) | 43% | 5.2 |
| AprAprilBest | 75°F(24°C) | 43°F(6°C) | 0.4 in(9 mm) | 36% | 6.3 |
| MayMay | 83°F(28°C) | 50°F(10°C) | 0.1 in(3 mm) | 36% | 7.1 |
| JunJune | 92°F(34°C) | 56°F(14°C) | 0.0 in(1 mm) | 31% | 7.7 |
| JulJuly | 98°F(37°C) | 62°F(17°C) | 0.1 in(3 mm) | 31% | 7.3 |
| AugAugust | 98°F(37°C) | 62°F(17°C) | 0.2 in(4 mm) | 29% | 6.9 |
| SepSeptember | 92°F(33°C) | 56°F(13°C) | 0.1 in(3 mm) | 31% | 5.8 |
| OctOctober | 81°F(27°C) | 46°F(8°C) | 0.2 in(5 mm) | 35% | 4.5 |
| NovNovember | 69°F(20°C) | 37°F(3°C) | 0.5 in(12 mm) | 37% | 3.4 |
| DecDecember | 59°F(15°C) | 31°F(0°C) | 0.8 in(21 mm) | 49% | 2.7 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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