World Resorts USA San Jose Weather

San Jose weather in July

Weather in San Jose: July

Average day temperature: 85.5°F
Average night temperature: 58.5°F
Sea water temperature: 63.2°F
Number of sunny days: 29 days
Day length: 13.2 - 14.7 hours
Number of rainy days: 0 days
Precipitation totals: 0.1 in.

Air temperature in July, °F

Show year:
2026
2025
2024

The highest day temperature during July of 2026 was 101°F. At the same time the lowest night temperature was 54°F. Daily and nightly averages during July were 81.7°F and 58.5°F.

Sea water temperature in San Jose in July, °F

Show year:
2026
2025
2024

The average sea water temperature in July of 2026 was 69.0°F. The highest and lowest sea temperatures during the month were 71.2°F and 66.2°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 4.3 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: 12.7.

Best time for vacation in San Jose

Sunniest months:
July 29 days
August 29 days
June 25 days
Warmest months:
August 85.6 °F
July 85.5 °F
September 81.0 °F
Warmest sea temp:
September 63.4 °F
July 63.2 °F
August 62.9 °F
Coldest months:
December 56.8 °F
January 58.0 °F
February 59.5 °F
Rainiest months:
February 3 days
January 3 days
March 3 days
Windiest months:
May 6.3 mph
April 6.1 mph
June 6.1 mph

San Jose on a weather map

San Jose
+64°F
NE 3 mph
Feels like: +64°F
Precip.: 9%
Places in USA:
Name
°F
+90°F
+82°F
+77°F
+100°F
+70°F
+91°F
+72°F
+88°F
+81°F
+70°F
+57°F
+70°F
+90°F
+97°F
+79°F
24 Hours Forecast
San Jose
Local time: 09:54
August 05, wednesday
1200
84°F
E
4 mph
1500
100°F
E
6 mph
1800
91°F
E
5 mph
2100
63°F
NE
2 mph
August 06, thursday
0000
57°F
N
2 mph
0300
57°F
SE
0 mph
0600
59°F
NW
1 mph
0900
82°F
NE
2 mph
Units of measurement: °C / °F