Average weather for San Jose in October
It's warm in October in San Jose with an average temperature of 25°C. Temperatures this month range from a low of 23°C to a high of 28°C. At night, you can expect temperatures between 11°C and 15°C.
Start of October
The month of October starts in San Jose with hot temps, averaging around 27°C during the day and nights around 15°C. No precipitation expected at the start of the month; it’ll be sunny.
With the temperature difference between day and night, it’s smart to wear layers.
Mid October
By mid-October, daytime temps drop to around 26°C, with nights around 14°C. Not much precipitation expected during this period. It’s mostly dry and sunny.
Since it cools down at night, it’s a good idea to wear layers.
End of October
By the end of October, the average daytime temperature in San Jose is around 24°C, while nighttime temps are about 13°C. There’s hardly any chance of precipitation. The weather will be mostly dry with plenty of sun.
In October, there is an average of 12 mm of precipitation, spread over 1 day. The wind speed is around 4 Bft, mostly coming from the Northwest.
San Jose in October |
New York | ||
---|---|---|---|
![]() |
25°C | 21°C | |
![]() |
28°C | 26°C | |
![]() |
23°C | -5°C | |
![]() |
12 mm | 119 mm | |
![]() |
1 day | 13 days |
UV index
The UV index is a maximum of 7 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Is October a good time to visit San Jose?
Looking for great weather? October is a good time to be in San Jose. The temperatures are nice, and there’s little chance of rain this month.
Temperature records
With 35°C in 2023, San Jose reached the highest temperature in October over the past 10 years. The lowest daytime temperature in this month was 17°C in 2014. The extreme nighttime temperatures ranged from a lowest recorded value of 6°C to a highest value of 19°C.
Check out the climate of San Jose for all months and discover the best travel time
Daily Temperature in October in San Jose
This chart shows the average daily high and low temperatures in October for San Jose, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in October in San Jose
The chart below shows the average daily precipitation in October for San Jose, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for October, you can expect about 1 day of precipitation in San Jose.
Daily UV index in October in San Jose
This chart shows the average daily UV index in October in San Jose, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in October in San Jose over the years
This chart shows the average temperature in October in San Jose, measured in degrees Celsius, over the past few years.
Total precipitation in October in San Jose over the years
This chart shows the average precipitation in October in San Jose, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in October for San Jose
Click on any day in October to get detailed info about the usual weather on that day in San Jose. Check out the historical temperatures and precipitation over the past 10 years on this day.































Weather experiences in October in San Jose
Have you been to San Jose in October?
Share your weather experience in October in San Jose.
Average weather in San Jose by month
Click on a month below to see detailed weather info for San Jose. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.