Weather in Cat Ba Island: January
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Average day temperature: | 66.9°F |
| Average night temperature: | 62.6°F | |
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Sea water temperature: | 67.3°F |
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Number of sunny days: | 6 days |
| Day length: | 10.9 - 11.2 hours | |
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Number of rainy days: | 1 day |
| Precipitation totals: | 1.0 in. | |
| more information | ||
forecast
| Cat Ba Island |
temperature
| Cat Ba Island |
Air temperature in January, °F
| Day temperature | Night temperature |
The highest day temperature during January of 2025 was 71°F. At the same time the lowest night temperature was 53°F. Day and night temperature averages during January were 66.3°F and 60.5°F.
Sea water temperature in Cat Ba Island in January, °F
The average sea water temperature in January of 2025 was 66.5°F. The highest and lowest sea temperatures during the month were 68.2°F and 63.9°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 Cat Ba Island in January is 1.1 in. Other months of the year show relatively similar values.
The average wind speed value in January is 9.9 mph It makes January one of the most 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: 4.4.
Best time for vacation in Cat Ba Island
Cat Ba Island on a weather map
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