Search Menu

The weather in August in Waterloo

It's warm in August in Waterloo with an average temperature of 26°C. Temperatures this month range from a low of 24°C to a high of 28°C. At night, you can expect temperatures between 14°C and 18°C.

Looking for sun? August isn’t a good month to be in Waterloo. The temperature is nice, but there’s too much chance of rain.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in August for Waterloo, Wisconsin. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 36°C in 2023, Waterloo reached the highest temperature in August over the past 10 years. The lowest daytime temperature in this month was 17°C in 2015. The extreme nighttime temperatures ranged from a lowest recorded value of 6°C to a highest value of 24°C.

Rainfall amount

In August, there is an average of 141 mm of precipitation, spread over 17 days. The wind speed is around 3 Bft, mostly coming from the South.

Daily weather in August for Waterloo

Click on any day in August to get detailed info about the usual weather on that day in Waterloo. Check out the historical temperatures and precipitation over the past 10 years on this day.

August weather comparison

  Waterloo New York
Average temperature 26°C 30°C
Max. temperature 28°C 31°C
Min. temperature 14°C -5°C
Total precipitation 141 mm 79 mm
Rainy days 17 days 13 days

Start of August

The month of August starts in Waterloo with hot temps, averaging around 28°C during the day and nights around 17°C.

Mid August

By mid-August, daytime temps drop to around 26°C, with nights around 17°C. There’s a high chance of precipitation during this time.

End of August

By the end of August, the average daytime temperature in Waterloo is around 26°C, while nighttime temps are about 17°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.

Find affordable trips to Waterloo

UV index

The UV index is a maximum of 7 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.

Check out the climate of Waterloo for all months and discover the best travel time

Temperature charts

These charts show the average temperatures in August in Waterloo, Wisconsin. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in August in Waterloo

Temperature in August in Waterloo over the years

Precipitation charts

These charts show the average amount of precipitation in August in Waterloo, Wisconsin. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Daily Precipitation in August in Waterloo

Total precipitation in August in Waterloo over the years

Daily UV index in August in Waterloo

This chart shows the average daily UV index in August in Waterloo, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Weather experiences in August in Waterloo

Have you been to Waterloo in August?

Share your weather experience in August in Waterloo.

Your email will not be shown in the review and will not be shared with others.

Average weather in Waterloo by month

Click on a month below to see detailed weather info for Waterloo. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.