Hollister Climate by Month
Hollister, California, United States
Warm summers and cool winters, with most rain from December to March.
Hollister has warm summers and cool winters, with most rain from December to March. Expect highs of 85°F (29°C) in August and 60°F (16°C) in January, with the coldest nights (December) near 38°F (4°C). Of the 14 in (352 mm) of rain in a typical year, 70% falls from December to March. May to September are almost completely dry.
- Warmest month
- 85°F(29°C)
- Average high, August
- Coldest nights
- 38°F(4°C)
- Average low, December
- Rain per year
- 14 in(352 mm)
- Wettest: January
- Humidity
- 61%
- Sunniest: June
Best and worst months in Hollister
Best for weatherThe most comfortable weather comes in May, with highs around 76°F (25°C) and almost no rain.
Least pleasantDecember and January are the least pleasant; January is the coldest, with highs of only 60°F (16°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)
Hollister weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 60°F(16°C) | 39°F(4°C) | 2.9 in(74 mm) | 74% | 2.0 |
| FebFebruary | 64°F(18°C) | 41°F(5°C) | 2.1 in(54 mm) | 74% | 2.8 |
| MarMarch | 67°F(20°C) | 44°F(7°C) | 1.8 in(46 mm) | 66% | 4.4 |
| AprApril | 72°F(22°C) | 46°F(8°C) | 1.3 in(34 mm) | 59% | 5.6 |
| MayMayBest | 76°F(25°C) | 50°F(10°C) | 0.2 in(6 mm) | 56% | 6.6 |
| JunJune | 81°F(27°C) | 53°F(12°C) | 0.1 in(2 mm) | 53% | 7.5 |
| JulJuly | 84°F(29°C) | 56°F(13°C) | 0.0 in(1 mm) | 56% | 7.3 |
| AugAugust | 85°F(29°C) | 56°F(13°C) | 0.0 in(1 mm) | 55% | 6.7 |
| SepSeptember | 85°F(29°C) | 54°F(12°C) | 0.1 in(2 mm) | 53% | 5.5 |
| OctOctober | 80°F(27°C) | 49°F(10°C) | 0.6 in(16 mm) | 53% | 4.0 |
| NovNovember | 70°F(21°C) | 43°F(6°C) | 1.7 in(42 mm) | 65% | 2.7 |
| DecDecember | 62°F(17°C) | 38°F(4°C) | 2.9 in(74 mm) | 73% | 1.9 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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