Weather in San Luis: January
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Average day temperature: | 80.6°F |
Average night temperature: | 80.0°F | |
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Sea water temperature: | 82.3°F |
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Number of sunny days: | 0 days |
Day length: | 11.4 - 11.6 hours | |
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Number of rainy days: | 1 day |
Precipitation totals: | 0.9 in. | |
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San Luis |
temperature
San Luis |
Air temperature in January, °F
Day temperature | Night temperature |
The highest day temperature during January of 2025 was 82°F. At the same time the lowest night temperature was 78°F. Daily and nightly averages during January were 80.6°F and 80.4°F.
Sea water temperature in San Luis in January, °F
The average sea water temperature in January of 2025 was 83.0°F. The highest and lowest sea temperatures during the month were 84.0°F and 82.6°F.
Sunny days | |
Partly cloudy days | |
Cloudy days |
Mostly all days in January are cloudy but sunny and partly cloudy days are also possible.
Precipitation total in January, in.
Precipitation total value in San Luis in January is 0.9 in. Other months of the year show relatively similar values.
The average wind speed value in January is 17.8 mph It makes January most windy month of the year.
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: 4.1.
Best time for vacation in San Luis
San Luis on a weather map

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