Weather in Milwaukee in December 2025
- December is usually the wettest month of the year in Milwaukee;
Average weather
Average temperature in Milwaukee in December
Going from a maximum of +55°F during the day to a minimum of +18°F during the night, the temperature in December averages around +43°F.
The average maximum temperature goes down 14% by the end of the month, compared with the beginning of the month, from +41°F to +36°F.
Is Milwaukee warm or cold in December?
Milwaukee is typically chill in December.
Maximum temperatures go down compared to the previous month from +46°F to +36°F. The minimum temperature also goes down from +36°F to +25°F.
Pack a jumper and a jacket as there will be cooler temperatures.
December is one of the coolest months in Milwaukee, here is the comparison with other months:
Climate in Milwaukee in December
| November | December | January | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +46°F | +36°F | +30°F | ||||
| Min. temperature | ||||||
| +7°F | -11°F | -22°F | ||||
| Max. temperature | ||||||
| +75°F | +66°F | +61°F | ||||
| Rainfall | ||||||
| 65 mm | 37 mm | 20 mm | ||||
| Wind | ||||||
| 4 m/s | 4 m/s | 4 m/s | ||||
| Humidity | ||||||
| 70% | 74% | 73% | ||||
| Air pressure | ||||||
| 1016 HPa | 1018 HPa | 1018 HPa | ||||
| Sunny days | ||||||
| 3 | 3 | 3 | ||||
| Cloudy days | ||||||
| 13 | 15 | 14 | ||||
| Rainy days | ||||||
| 11 | 5 | 2 | ||||
| Snowy days | ||||||
| 3 | 8 | 12 | ||||
December weather is still as ok as in November. It’s getting colder in December. From +46°F in the day, the average maximum temperature lowers to +36°F. As December arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 65 mm to 37 mm. Humidity rises from 70% to 74%. The average wind speed doesn’t change much during December, staying around 4 m/s. The amount of sunny days stay about the same, averaging 3 sunny days during the month.
January brings much the same weather, it remains ok.
Wind
The average wind speed is 3 m/s getting up to 7 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Milwaukee is gradually decreasing during December, going from 3 m/s to 2 m/s over the course of the month.
Rain
Snow
Here’s how December is compared with other months in the amount of snow, total mm:
How was the weather last December in Milwaukee?
Climate Change Over the Years
The climate in Milwaukee in December has not changed that much over the last 43 years.
The average temperature was the lowest in 1996 (+51°F) and the highest in 2012 (+61°F). The driest year was 2005 with only 615 mm of rainfall, and the wettest year was 2024 with 1292 mm.
FAQ
Is December a good time to visit Milwaukee?
Can you sunbathe in Milwaukee in December?
Is Milwaukee rainy in December?
Is it sunny in Milwaukee in December?
Other cities in USA
Monthly weather in Milwaukee
Source of the data
For this page, we’ve looked at the typical weather in Milwaukee, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.
