Yearly weather and climate in San Jose, United States
The yearly weather in San Jose runs from around 5°C in February to 31°C in July. June is the driest month at 0 rainy days; March the wettest at 15. Here is the annual climate data, so you know what you are packing for.
Best time to visit
The best weather is typically in May, Jun, Jul, Aug, Sep, Oct, with mild temperatures and lower rainfall.
Sunshine
Expect up to 13.8 hours of clear skies in Jul, but only 6.2 hours in Jan. Pack sunglasses and SPF accordingly.
Rainfall
It rains the most in Jan (185mm over 14 days). A reliable rain jacket is a must-have if visiting then.
Day-to-night swings
Temperatures typically drop by 12°C from day to night. Make sure to pack layers for the evenings.
Average temperatures and rainfall
Daily highs and lows in San Jose, averaged over 10 years of recorded weather, with the number of days it typically rains.
- 1559°745°14Jan
- 1559°542°13Feb
- 1660°745°15Mar
- 2068°947°4Apr
- 2474°1152°4May
- 2882°1456°0Jun
- 3187°1560°1Jul
- 3085°1560°0Aug
- 2882°1458°1Sep
- 2781°1457°2Oct
- 1966°947°9Nov
- 1661°846°9Dec
Bars span the average daily low to high. Numbers under the drop are rainy days per month (1mm or more) — hover a month for its total rainfall. Jun is typically driest at 0 days (1mm); Mar the wettest at 15 days (154mm).
| Month | Average high | Average low | Rainy days | Total rainfall |
|---|---|---|---|---|
| Jan | 15°C | 7°C | 14 | 185mm |
| Feb | 15°C | 5°C | 13 | 131mm |
| Mar | 16°C | 7°C | 15 | 154mm |
| Apr | 20°C | 9°C | 4 | 25mm |
| May | 24°C | 11°C | 4 | 23mm |
| Jun | 28°C | 14°C | 0 | 1mm |
| Jul | 31°C | 15°C | 1 | 1mm |
| Aug | 30°C | 15°C | 0 | 1mm |
| Sep | 28°C | 14°C | 1 | 3mm |
| Oct | 27°C | 14°C | 2 | 5mm |
| Nov | 19°C | 9°C | 9 | 64mm |
| Dec | 16°C | 8°C | 9 | 126mm |
Weather data by Open-Meteo.com
Pack smarter.
Averages get you close, but the week you travel is what matters. Get the live forecast, a smart packing list, and discover the best local spots and activities in San Jose with Packola.
Get the app