New Ulm Weather in August

What's the weather like in New Ulm (Minnesota) in August 2025?

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

August is in the summer in New Ulm and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a comfortable 28°C (83°F), whilst at night 15°C (59°F) is normal.

New Ulm weather averages (imperial / metric)
Daytime temperature 28.1°C 82.5°F
Nightly temperature 15°C 58.9°F
Average temperature 21.5°C 70.7°F
Daily sunshine 10.5 hrs
Avg rainfall 92 mm 3.6 ins
Rainy days 9 days
Sea temperature 17.9°C 64.2°F
Humidity 70%
Windspeed 16.6kph 10 mph

On average August is the 3rd wettest month of the year in New Ulm with around 92mm 3.6 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 10.5 hours of sunshine per day.

August temperatures in New Ulm

New Ulm average temperature in August

August rainfall

New Ulm average rain in August

August hourly sunshine

New Ulm 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 Ulm 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 Ulm weather stats

New Ulm weather statistics
Hottest month: July 29.4°C 84.9°F
Driest month: January 18mm 0.7ins
Sunniest month: July 11.9hrs
Coldest month: January -5.1°C 22.8°F
Wettest month: July 104mm 4.1ins
Map showing location of New Ulm (44.31246, -94.46053) New Ulm map pin © Google

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