Weather in San Jose in October 2025
Average weather
Average temperature in San Jose in October
The expected average maximum temperature in October is +26°C with a maximum of +35°C and a minimum of +6°C.
The average maximum temperature goes up 0% by the end of the month, compared with the beginning of the month, from +24°C to +24°C.
Is San Jose warm or cold in October?
San Jose is typically warm in October.
Maximum temperatures go down compared to the previous month from +27°C to +24°C. The minimum temperature also goes down from +15°C to +12°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
Take a look at how October is compared to other months in San Jose:
Climate in San Jose in October
| September | October | November | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +27°C | +24°C | +18°C | ||||
| Min. temperature | ||||||
| +9°C | +5°C | +1°C | ||||
| Max. temperature | ||||||
| +43°C | +39°C | +30°C | ||||
| Rainfall | ||||||
| 6 mm | 28 mm | 64 mm | ||||
| Wind | ||||||
| 2 m/s | 1 m/s | 1 m/s | ||||
| Humidity | ||||||
| 64% | 64% | 70% | ||||
| Air pressure | ||||||
| 1012 HPa | 1015 HPa | 1017 HPa | ||||
| Sunny days | ||||||
| 14 | 13 | 8 | ||||
| Cloudy days | ||||||
| 14 | 13 | 13 | ||||
| Rainy days | ||||||
| 2 | 5 | 9 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
October typically has worse weather conditions compared to September. It’s getting colder in October. From +27°C in the day, the average maximum temperature lowers to +24°C. Prepare for more rain. Average rainfall goes from 6 mm to 28 mm. Humidity levels don’t change as the month goes on, averaging around 64%. Winds are calmer in comparison to September, going down from 2 m/s to 1 m/s on average. The days becoming less sunny, going from 14 sunny days in September to 13 in October.
November brings much the same weather, it remains good.
Wind
The average wind speed is 8 m/s getting up to 15 m/s which is quite strong. The wind will cause branches to move and ground debris to fly around.
The average wind speed in San Jose is gradually decreasing during October, going from 9 m/s to 4 m/s over the course of the month.
Rain
How was the weather last October in San Jose?
Climate Change over Years
The climate in San Jose in October has not changed much over the last 43 years.
The average temperature was the lowest in 1982 (+20°C) and the highest in 2024 (+24°C). The driest year was 2013 with only 147 mm of rainfall, and the wettest year was 2020 with 4306 mm.
FAQ
Is October a good time to visit San Jose?
Can you sunbathe in San Jose in October?
Is San Jose rainy in October?
Is it sunny in San Jose in October?
Other cities in USA
Monthly weather in San Jose
Source of the data
For this page, we’ve looked at the typical weather in San Jose, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.
