Weather in New Castle: December
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Average day temperature: | 43.9°F |
Average night temperature: | 37.0°F | |
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Sea water temperature: | 43.8°F |
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Number of sunny days: | 10 days |
Day length: | 9.4 - 9.6 hours | |
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Number of rainy days: | 2 days |
Precipitation totals: | 1.1 in. | |
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New Castle |
temperature
New Castle |
Air temperature in December, °F
Day temperature | Night temperature |
The highest day temperature during December of 2024 was 62°F. At the same time the lowest night temperature was 16°F. Daily and nightly averages during December were 42.2°F and 33.2°F.
Sea water temperature in New Castle in December, °F
The average sea water temperature in December of 2024 was 42.8°F. The highest and lowest sea temperatures during the month were 49.8°F and 38.5°F.
Sunny days | |
Partly cloudy days | |
Cloudy days |
Number of sunny, partly cloudy and cloudy days in December is almost equal.
Precipitation total in December, in.
Precipitation total value in New Castle in December is 1.1 in. Other months of the year show relatively similar values.
The average wind speed value in December is 7.7 mph
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: 4.7.
Best time for vacation in New Castle
New Castle on a weather map

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