New Berlin (WI) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit New Berlin.
Climate overview of New Berlin
Temperatures in New Berlin, Wisconsin, United States of America, vary greatly throughout the year. July is the hottest month at 28°C (82°F), while January is the coldest at -2°C (28°F).
The city receives around 947 mm (37 in) of rain/snowfall per year. It experiences warm summers and very cold winters. June is the wettest month and January the driest. Sunshine peaks in July, when the city sees around 10.6 hours of sunshine per day.
New Berlin Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in New Berlin - and find the best time to visit.
Monthly Temperature in New Berlin
The climate in New Berlin is known for significant temperature differences throughout the year, making the weather dynamic. On average, daytime temperatures range from a comfortable 28°C (82°F) in July to a very cold -2°C (28°F) in January.
Nighttime temperatures range from 16°C (61°F) in July to -11°C (12°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in New Berlin
Generally, New Berlin receives mid-range precipitation levels, with 947 mm (37 in) annually. The seasons in New Berlin bring significant changes in precipitation. The wettest month, June, receives high rainfall, with an average of 138 mm (5.4 in) of precipitation. This rainfall is distributed across 12 rainy days.
In contrast, the driest month, January, experiences much less snowfall, totaling 35 mm (1.4 in) over 10 snowy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our New Berlin Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in New Berlin
In New Berlin, summer days are longer and more sunny, with daily sunshine hours peaking at 10.6 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 3.5 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in New Berlin by Month
The relative humidity is high throughout the year in New Berlin.
The city experiences its highest humidity in December, reaching 76%. In April, the humidity drops to its lowest level at 68%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit New Berlin
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May, July, August and September
- Warmest weather: July and August
- Most sunshine: June and July
- Seasonal pattern: Warm summers and very cold winters
- Coldest conditions: January, with freezing nights around -11°C (12°F).
Frequently asked questions about the climate in New Berlin
What is the best time to visit New Berlin?
May, July, August and September typically offer the most optimal weather in New Berlin. In contrast, January, February, March, April, November and December tend to have less optimal conditions. New Berlin has warm summers and very cold winters.
What temperatures can I expect in New Berlin?
Daytime highs range from -2°C (28°F) in January to 28°C (82°F) in July. Nighttime lows range from -11°C (12°F) to 16°C (61°F). Temperatures vary considerably through the year.
How much rain does New Berlin get?
Annual rainfall is around 947 mm (37 in). June is the wettest month with 138 mm (5.4 in), while January is the driest with 35 mm (1.4 in).
How sunny is New Berlin?
New Berlin receives around 2,486 hours of sunshine per year. July is the sunniest month with 319 hours, while December is the cloudiest with just 104 hours. Overall, New Berlin enjoys abundant sunshine.
New Berlin 3-Day Forecast
New Berlin on the map
New Berlin is highlighted - select any city to see its climate.
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