Mountain View Climate by Month
Mountain View, California, United States
Warm summers and mild winters, with most rain from December to March.
Mountain View has warm summers and mild winters, with most rain from December to March. August is the warmest month, with highs around 80°F (27°C); January is the coolest at 60°F (16°C), and nights dip to 41°F (5°C). Of the 17 in (424 mm) of rain in a typical year, 70% falls from December to March. June to September are almost completely dry.
- Warmest month
- 80°F(27°C)
- Average high, August
- Coldest nights
- 41°F(5°C)
- Average low, December
- Rain per year
- 17 in(424 mm)
- Wettest: January
- Humidity
- 68%
- Sunniest: June
Best and worst months in Mountain View
Best for weatherThe most comfortable weather comes in May, June and October, with highs around 76°F (24°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 October.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Mountain View weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 60°F(16°C) | 42°F(6°C) | 3.3 in(83 mm) | 78% | 1.9 |
| FebFebruary | 63°F(17°C) | 44°F(7°C) | 2.9 in(74 mm) | 72% | 2.7 |
| MarMarch | 66°F(19°C) | 46°F(8°C) | 2.5 in(64 mm) | 72% | 4.3 |
| AprApril | 70°F(21°C) | 47°F(8°C) | 1.4 in(36 mm) | 66% | 5.5 |
| MayMayBest | 74°F(23°C) | 51°F(11°C) | 0.4 in(10 mm) | 63% | 6.4 |
| JunJuneBest | 78°F(25°C) | 55°F(13°C) | 0.1 in(3 mm) | 59% | 7.4 |
| JulJuly | 79°F(26°C) | 57°F(14°C) | 0.0 in(1 mm) | 65% | 7.2 |
| AugAugust | 80°F(27°C) | 57°F(14°C) | 0.0 in(1 mm) | 63% | 6.5 |
| SepSeptember | 80°F(27°C) | 55°F(13°C) | 0.1 in(2 mm) | 61% | 5.4 |
| OctOctoberBest | 75°F(24°C) | 51°F(10°C) | 0.9 in(24 mm) | 61% | 3.9 |
| NovNovember | 67°F(19°C) | 45°F(7°C) | 1.9 in(49 mm) | 72% | 2.6 |
| DecDecember | 60°F(16°C) | 41°F(5°C) | 3.0 in(77 mm) | 79% | 1.8 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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