Weather in Rio de Janeiro: January
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Average day temperature: | 87.1°F |
| Average night temperature: | 75.6°F | |
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Sea water temperature: | 79.4°F |
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Number of sunny days: | 13 days |
| Day length: | 13.1 - 13.5 hours | |
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Number of rainy days: | 7 days |
| Precipitation totals: | 4.4 in. | |
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| Rio de Janeiro |
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| Rio de Janeiro |
Air temperature in January, °F
The highest day temperature during January of 2026 was 93°F. At the same time the lowest night temperature was 68°F. Daily and nightly averages during January were 82.3°F and 73.8°F.
Sea water temperature in Rio de Janeiro in January, °F
The average sea water temperature in January of 2026 was 80.1°F. The highest and lowest sea temperatures during the month were 82.0°F and 77.9°F.
Number of sunny, partly cloudy and cloudy days in January is almost equal.
Precipitation total in January, in.
Precipitation total value in Rio de Janeiro in January is 4.2 in. Other months of the year show relatively similar values.
The average wind speed value in January is 5.4 mph It makes January one of the least windy months 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: 6.7.
Best time for vacation in Rio de Janeiro
Rio de Janeiro on a weather map
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