Average weather for San Jose in July
It's warm in July in San Jose with an average temperature of 28°C. Temperatures this month range from a low of 26°C to a high of 29°C. At night, you can expect temperatures between 15°C and 17°C.
Start of July
The month of July starts in San Jose with hot temps, averaging around 28°C during the day and nights around 16°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 July
By mid-July, daytime temps stay steady at around 28°C, with nights around 16°C. No precipitation expected during this period, so you can enjoy plenty of sunshine.
Since it cools down at night, it’s a good idea to wear layers.
End of July
By the end of July, the average daytime temperature in San Jose is around 28°C, while nighttime temps are about 17°C. No precipitation expected at the end of the month; it’ll be mostly sunny.
Because temperatures drop in the evening, wearing layers is recommended.
According to weather history, there is no precipitation in July. The wind speed is around 4 Bft, mostly coming from the Northwest.
San Jose in July |
New York | ||
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28°C | 31°C | |
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29°C | 33°C | |
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26°C | -5°C | |
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0 mm | 160 mm | |
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0 days | 18 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 July a good time to visit San Jose?
Looking for great weather? July is a good time to be in San Jose. The temperatures are nice, and there’s no rain this month.
Temperature records
With 37°C in 2017, San Jose reached the highest temperature in July over the past 10 years. The lowest daytime temperature in this month was 19°C in 2023. The extreme nighttime temperatures ranged from a lowest recorded value of 11°C to a highest value of 20°C.
Check out the climate of San Jose for all months and discover the best travel time
Daily Temperature in July in San Jose
This chart shows the average daily high and low temperatures in July 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 July in San Jose
The chart below shows the average daily precipitation in July 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 July, you can expect it to stay dry all month in San Jose.
Daily UV index in July in San Jose
This chart shows the average daily UV index in July 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 July in San Jose over the years
This chart shows the average temperature in July in San Jose, measured in degrees Celsius, over the past few years.
Total precipitation in July in San Jose over the years
This chart shows the average precipitation in July 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 July for San Jose
Click on any day in July 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 July in San Jose
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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.