Climate Data Waterloo
Illinois, United States
Monthly Averages. Elevation: 216m.
Climate Data
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Best Time to Visit: Jun, Aug, Sep. Rainiest: May (104 mm). View current weather →
997mm
104mm may · 52mm jan
31°C
Jul-6°C
Jan1237km/hm/smph
Light wind
Waterloo has a mild climate with cool winters (Jan -6°C21°F) and warm summers (Jul 31°C88°F). Annual rainfall totals 997mm.
Monthly Averages
HighLowPrecipitation
Monthly Wind Speed
km/hm/smph
Frequently Asked Questions
What is the climate like in Waterloo?
Waterloo has an average annual temperature of 13°C with 997mm of rainfall per year. The warmest month is Jul (31°C) and the coldest is Jan (-6°C).
What is the hottest month in Waterloo?
The hottest month in Waterloo is Jul, with an average high of 31°C.
How much rain does Waterloo get?
Waterloo receives 997mm of precipitation annually. The wettest month is May (104mm) and the driest is Jan (52mm).
When is the best time to visit Waterloo?
The best time to visit Waterloo is during Jun, Aug, Sep, when temperatures are comfortable and rainfall is relatively low.
Data: WorldClim 2.1