Livermore Climate by Month
Livermore, California, United States
Hot summers and cool winters, with most rain from December to March.
The climate in Livermore is one of hot summers and cool winters, with most rain from December to March. Expect highs of 89°F (32°C) in August and 58°F (14°C) in January, with the coldest nights (December) near 38°F (4°C). Of the 15 in (385 mm) of rain in a typical year, 72% falls from December to March. June to September are almost completely dry.
- Warmest month
- 89°F(32°C)
- Average high, August
- Coldest nights
- 38°F(4°C)
- Average low, December
- Rain per year
- 15 in(385 mm)
- Wettest: January
- Humidity
- 61%
- Sunniest: June
Best and worst months in Livermore
Best for weatherThe most comfortable weather comes in April, May and October, with highs around 76°F (25°C) and about 0.8 in (20 mm) of rain a month.
Least pleasantDecember and January are the least pleasant; January is the coldest, with highs of only 58°F (14°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)
Livermore weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 58°F(14°C) | 39°F(4°C) | 3.1 in(79 mm) | 78% | 1.9 |
| FebFebruary | 62°F(17°C) | 42°F(5°C) | 2.8 in(72 mm) | 68% | 2.7 |
| MarMarch | 67°F(19°C) | 44°F(7°C) | 2.2 in(57 mm) | 67% | 4.3 |
| AprAprilBest | 72°F(22°C) | 46°F(8°C) | 1.1 in(27 mm) | 59% | 5.5 |
| MayMayBest | 78°F(25°C) | 51°F(10°C) | 0.5 in(13 mm) | 54% | 6.4 |
| JunJune | 85°F(29°C) | 55°F(13°C) | 0.1 in(3 mm) | 49% | 7.5 |
| JulJuly | 89°F(32°C) | 57°F(14°C) | 0.0 in(1 mm) | 51% | 7.4 |
| AugAugust | 89°F(32°C) | 57°F(14°C) | 0.0 in(1 mm) | 51% | 6.7 |
| SepSeptember | 87°F(31°C) | 55°F(13°C) | 0.1 in(2 mm) | 50% | 5.5 |
| OctOctoberBest | 80°F(27°C) | 50°F(10°C) | 0.8 in(21 mm) | 53% | 3.9 |
| NovNovember | 67°F(20°C) | 43°F(6°C) | 1.5 in(39 mm) | 68% | 2.6 |
| DecDecember | 58°F(15°C) | 38°F(4°C) | 2.8 in(70 mm) | 78% | 1.8 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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