Waterloo (IA) Weather and Climate: A Comprehensive Guide
The temperature in Waterloo can vary quite a bit throughout the year.
Temperatures can be warm during the warmest months,
and very cold during the cooler months.
It receives a moderate amount of precipitation.
Let’s explore the climate details in depth to provide you with a complete overview.
Average maximum day and minimum night temperature
Visitors to Waterloo can expect significant temperature changes throughout the year. On average, daytime temperatures range from a comfortable 29°C in July to a very cold -3°C in January.
Nighttime temperatures can drop, with average lows reaching -13°C in January. Check out our detailed temperature page for more information.Temperature ranges by month
Precipitation and rainy days
Generally, Waterloo experiences moderate precipitation patterns, averaging 970 mm yearly. The seasons in Waterloo, bring significant changes in precipitation. The wettest month, June, receives high rainfall, with an average of 144 mm of precipitation. This rainfall is distributed across 14 rainy days. In contrast, the driest month, January, experiences much less snowfall, totaling 22 mm over 8 snowy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Waterloo Precipitation page.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
overcast and heavy rain partly cloudy and no rain overcast and no rainForecast for Waterloo (IA)
5 m/s
5 m/s
4 m/s
The best time of year to visit Waterloo in the United States of America
During the months of May and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
The hottest season / summer takes place in June, July, August and September.
The coldest season / winter is in the following months: January, February and December.
July has an average maximum temperature of 29°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of -3°C.
June tops the wettest month list with 144 mm of rainfall.
January is the driest month with 22 mm of precipitation.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
