Weather in Kenai: December
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Average day temperature: | 20.7°F |
| Average night temperature: | 19.4°F | |
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Sea water temperature: | 35.8°F |
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Number of sunny days: | 6 days |
| Day length: | 5.7 - 6.3 hours | |
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Number of rainy days: | 0 days |
| Precipitation totals: | 0.6 in. | |
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forecast
| Kenai |
temperature
| Kenai |
Air temperature in December, °F
The highest day temperature during December of 2025 was 34°F. At the same time the lowest night temperature was 0°F. Daily and nightly averages during December were 15.5°F and 13.7°F.
Sea water temperature in Kenai in December, °F
The average sea water temperature in December of 2025 was 35.6°F. The highest and lowest sea temperatures during the month were 39.9°F and 32.5°F.
Mostly all days in December are cloudy but sunny and partly cloudy days are also possible.
Precipitation total in December, in.
Precipitation total value in Kenai in December is 0.6 in. Other months of the year show relatively similar values.
The average wind speed value in December is 8.9 mph It makes December 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 December is: 2.5.
Best time for vacation in Kenai
Kenai on a weather map
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