Weather in Port of San Jose: January
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Average day temperature: | 85.1°F |
| Average night temperature: | 74.2°F | |
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Sea water temperature: | 83.5°F |
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Number of sunny days: | 26 days |
| Day length: | 11.3 - 11.5 hours | |
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Number of rainy days: | 0 days |
| Precipitation totals: | 0.0 in. | |
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| Port of San Jose |
temperature
| Port of San Jose |
Air temperature in January, °F
| Day temperature | Night temperature |
The highest day temperature during January of 2025 was 87°F. At the same time the lowest night temperature was 71°F. Daily and nightly averages during January were 84.7°F and 74.3°F.
Sea water temperature in Port of San Jose in January, °F
The average sea water temperature in January of 2025 was 82.7°F. The highest and lowest sea temperatures during the month were 83.7°F and 81.9°F.
| Sunny days | |
| Partly cloudy days | |
| Cloudy days |
Mostly all days in January are sunny but cloudy days are also possible.
Precipitation total in January, in.
Precipitation total value in Port of San Jose in January is 0.0 in. Other months of the year show relatively similar values.
The average wind speed value in January 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 January is: 9.4.
Best time for vacation in Port of San Jose
Port of San Jose on a weather map
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