World Resorts USA Lake Delton Weather

Lake Delton weather in December

Weather in Lake Delton: December

Average day temperature: 30.2°F
Average night temperature: 24.1°F
Number of sunny days: 7 days
Day length: 8.9 - 9.2 hours
Number of rainy days: 0 days
Precipitation totals: 0.4 in.

Air temperature in December, °F

Show year:
2025
2024
2023

The highest day temperature during December of 2025 was 44°F. At the same time the lowest night temperature was -6°F. Daily and nightly averages during December were 26.3°F and 18.5°F.

Sunny, partly cloudy and cloudy days

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 Lake Delton in December is 0.4 in. Other months of the year show relatively similar values.

Wind speed in December, mph

The average wind speed value in December is 8.7 mph

Average sunny hours

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 Lake Delton

Sunniest months:
October 15 days
August 15 days
September 15 days
Warmest months:
July 79.1 °F
August 78.7 °F
June 75.3 °F
Coldest months:
January 24.1 °F
February 26.7 °F
December 30.2 °F
Rainiest months:
June 3 days
May 3 days
March 2 days
Windiest months:
April 10.2 mph
March 9.8 mph
November 9.6 mph

Lake Delton on a weather map

Lake Delton
+27°F
SE 10 mph
Feels like: +19°F
Precip.: 100%
Places in USA:
Name
°F
+27°F
+73°F
+73°F
+45°F
+61°F
+45°F
+50°F
+66°F
+27°F
+66°F
+46°F
+45°F
+41°F
+39°F
+27°F
24 Hours Forecast
Lake Delton
Local time: 09:10
December 31, wednesday
1200
30°F
SE
14 mph
1500
23°F
SE
14 mph
1800
19°F
SE
14 mph
2100
14°F
SE
11 mph
January 01, thursday
0000
10°F
SE
9 mph
0300
9°F
SE
8 mph
0600
9°F
SE
7 mph
0900
10°F
E
7 mph
Units of measurement: °C / °F