Weather in San Jose: July
| Average day temperature: | 85.8°F | |
| Average night temperature: | 58.4°F | |
| Sea water temperature: | 62.8°F | |
| Number of sunny days: | 29 days | |
| Day length: | 13.1 - 14.7 hours | |
| Number of rainy days: | 0 days | |
| Precipitation totals: | 0.1 in. | |
| more information | ||
14 days
forecast
forecast
| San Jose |
sea water
temperature
temperature
| San Jose |
Air temperature in July, °F
Show year:
2025
2024
2023
The highest day temperature during July of 2025 was 93°F. At the same time the lowest night temperature was 54°F. Daily and nightly averages during July were 80.2°F and 59.9°F.
Sea water temperature in San Jose in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 67.5°F. The highest and lowest sea temperatures during the month were 72.3°F and 64.4°F.
Sunny, partly cloudy and cloudy days
Mostly all days in July are sunny but cloudy days are also possible.
Precipitation total in July, in.
Precipitation total value in San Jose in July is 0.1 in. Other months of the year show relatively similar values.
Wind speed in July, mph
The average wind speed value in July is 4.6 mph
Average sunny hours
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in July is: 12.6.
Best time for vacation in San Jose
San Jose on a weather map
Places in USA:
Name
°F
24 Hours Forecast
San Jose
Local time: 20:14
December 04, thursday
2100

46°F
S
2 mph
2 mph
December 05, friday
0000

45°F
SW
1 mph
1 mph
0300

43°F
W
1 mph
1 mph
0600

43°F
SW
2 mph
2 mph
0900

46°F
SW
1 mph
1 mph
1200

63°F
SE
2 mph
2 mph
1500

66°F
SE
2 mph
2 mph
1800

59°F
SE
2 mph
2 mph



























