New Berlin Weather in August

What's the weather like in New Berlin (Wisconsin) in August 2025?

The climate in New Berlin during August can be summarized as warm, humid and a little damp.

August is in the summer in New Berlin and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a muggy 26°C (79°F), whilst at night 16°C (60°F) is normal.

New Berlin weather averages (imperial / metric)
Daytime temperature 26.3°C 79.3°F
Nightly temperature 15.7°C 60.3°F
Average temperature 21°C 69.8°F
Daily sunshine 9.7 hrs
Avg rainfall 95 mm 3.8 ins
Rainy days 9 days
Sea temperature 21.2°C 70.2°F
Humidity 75%
Windspeed 15.1kph 9 mph

On average August is the wettest month of the year in New Berlin with around 95mm 3.8 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.

On the flip side this corresponds to an average of 9.7 hours of sunshine per day.

August temperatures in New Berlin

New Berlin average temperature in August

August rainfall

New Berlin average rain in August

August hourly sunshine

New Berlin average rain in August

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in New Berlin in August 2025.

Other monthly averages

Best places to visit in August

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

New Berlin weather stats

New Berlin weather statistics
Hottest month: July 27.4°C 81.3°F
Driest month: February 30mm 1.2ins
Sunniest month: July 11hrs
Coldest month: January -3.5°C 25.7°F
Wettest month: August 95mm 3.7ins
Map showing location of New Berlin (42.9764, -88.10842) New Berlin map pin © Google

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