Weather in Oshkosh: December
 |
Average day temperature: | 30.2°F |
| Average night temperature: | 25.4°F | |
 |
Sea water temperature: | 35.6°F |
 |
Number of sunny days: | 6 days |
| Day length: | 8.9 - 9.1 hours | |
 |
Number of rainy days: | 1 day |
| Precipitation totals: | 0.4 in. | |
| more information | ||
forecast
| Oshkosh |
temperature
| Oshkosh |
Air temperature in December, °F
The highest day temperature during December of 2025 was 41°F. At the same time the lowest night temperature was -9°F. Daily and nightly averages during December were 25.0°F and 17.7°F.
Sea water temperature in Oshkosh in December, °F
The average sea water temperature in December of 2025 was 33.2°F. The highest and lowest sea temperatures during the month were 37.0°F and 31.6°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 Oshkosh in December is 0.4 in. Other months of the year show relatively similar values.
The average wind speed value in December is 11.3 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: 3.5.
Best time for vacation in Oshkosh
Oshkosh on a weather map
7 mph
11 mph
12 mph
5 mph
7 mph
7 mph
7 mph
7 mph
