San Jose Weather: August
 |
Average Day Temperature: | 89.6°F |
|
Average Night Temperature: | 60.3°F |
|
Sea Water Temperature: | 64.3°F |
|
Number of Sunny Days: | 29 days |
| Sunshine Hours: | 13.0 - 14.0 hours | |
|
Number of Rainy Days: | 0 days |
| Precipitation Totals: | 0.1 in | |
| detailed information | ||
forecast
| San Jose |
Temperature
| San Jose |
Air Temperature in August, °F
The highest day temperature in August 2025 was 99°F. The lowest night temperature was 57°F. The average values for day and night temperatures during August were 86.8°F и 62.7°F respectivly.
San Jose Water Sea Temperature in August, °F
The average sea surface temperature in August 2025 for San Jose was 68.9°F. The maximum and minimum values were 63.6°F and 72.6°F respectively.
Almost all days in August are sunny. There is very low probability of clouds or gloomy days.
Precipitation Totals in August, in
Precipitation total in August for San Jose is 0.1 in. It makes august one of the least rainy months of the year.
The average wind speed in August is 5.1 mph. This value is relatively stable throughout the year.
We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for San Jose in August is 12.5 hours.
San Jose on the Weather Map
| Chicago |  |
-2 |
| Hawaii | |
+78 |
| Honolulu | |
+78 |
| Houston | |
+44 |
| Las Vegas |  |
+40 |
| Los Angeles | |
+52 |
| Maui | |
+72 |
| Miami | |
+72 |
| Miami Beach |  |
+80 |
| New York | |
+18 |
| San Diego | |
+54 |
| San Francisco | |
+46 |
| Sarasota | |
+62 |
| Tampa | |
+62 |
| Washington | |
+28 |
| 0300 |  |
42°F | W 1 mph |
| 0600 |  |
42°F | SW 2 mph |
| 0900 |  |
46°F | SW 1 mph |
| 1200 |  |
64°F | SE 2 mph |
| 1500 | |
68°F | SE 2 mph |
| 1800 | |
60°F | SE 2 mph |
| 2100 | |
54°F | NW 1 mph |
| 0000 | |
52°F | NW 1 mph |