Weather in Cairns: January
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Average day temperature: | 86.7°F |
| Average night temperature: | 75.1°F | |
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Sea water temperature: | 84.6°F |
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Number of sunny days: | 10 days |
| Day length: | 12.9 - 13.1 hours | |
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Number of rainy days: | 10 days |
| Precipitation totals: | 7.4 in. | |
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forecast
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temperature
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Air temperature in January, °F
| Day temperature | Night temperature |
The highest day temperature during January of 2025 was 93°F. At the same time the lowest night temperature was 73°F. Daily and nightly averages during January were 86.5°F and 76.2°F.
Sea water temperature in Cairns in January, °F
The average sea water temperature in January of 2025 was 85.6°F. The highest and lowest sea temperatures during the month were 86.2°F and 85.1°F.
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| 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 Cairns in January is 9.1 in. Other months of the year show relatively similar values.
The average wind speed value in January is 6.1 mph It makes January lest 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: 5.7.
Best time for vacation in Cairns
Cairns on a weather map
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