San Jose, California weather in October
Temperature, rain and sunshine in October: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in October
Excellent
Best time to visit: April – October
What is the weather like in San Jose, California in October?
In October, San Jose, California is warm: daytime highs average 23 °C, and nights cool down to about 13 °C. The sun shines for around 8 hours a day. Rain is rare: about 3 days bring 31 mm in total. All in all, October is an excellent month for a holiday in San Jose, California.
October compared
How the weather changes from September to November. Tap a month to open it.
| SeptemberSep | OctoberOct | NovemberNov | |
|---|---|---|---|
| Score | 100 | 96 | 84 |
| Day | 27° | 23° | 18° |
| Night | 15° | 13° | 10° |
| Sun | 9 h | 8 h | 6 h |
| Rain days | 1 | 3 | 7 |
More details for October
- Daylight
- 11 h 18 min07:14 – 18:32
- UV index
- 5 · moderateclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 17 km/haverage daily peakAll months
- Cloud cover
- 30 %on averageAll months
- Hot days
- 3 days30 °C or moreAll months
- Time zone
- UTC−7America/Los_Angeles
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %78 %
- Few rainy daysweight 30 %100 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in October
- Sunscreen
- A jumper for the evenings
San Jose, California in October: quick answers
Is San Jose, California hot in October?
Warm rather than hot: in October, daytime highs in San Jose, California average 23 °C and nights cool to about 13 °C. On about 3 days the thermometer climbs to 30 °C or more.
Does it rain much in San Jose, California in October?
Rain is rare: about 3 days bring 31 mm in total.
San Jose, California month by month
The whole year in San Jose, CaliforniaAll destinations: USAWhere to go in October
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences