Weather in Port of San Jose: August
| Average day temperature: | 85.5°F | |
| Average night temperature: | 77.1°F | |
| Sea water temperature: | 86.6°F | |
| Number of sunny days: | 6 days | |
| Day length: | 12.4 - 12.7 hours | |
| Number of rainy days: | 6 days | |
| Precipitation totals: | 2.9 in. | |
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| Port of San Jose |
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| Port of San Jose |
Air temperature in August, °F
The highest day temperature during August of 2026 was 93°F. At the same time the lowest night temperature was 74°F. Daily and nightly averages during August were 90.6°F and 77.1°F.
Sea water temperature in Port of San Jose in August, °F
The average sea water temperature in August of 2026 was 87.8°F. The highest and lowest sea temperatures during the month were 88.7°F and 86.5°F.
Mostly all days in August are cloudy but sunny and partly cloudy days are also possible.
Precipitation total in August, in.
Precipitation total value in Port of San Jose in August is 2.9 in. Other months of the year show relatively similar values.
The average wind speed value in August is 5.8 mph
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 August is: 6.0.
Best time for vacation in Port of San Jose
Port of San Jose on a weather map

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