Warrenton (MO) Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Warrenton.

Full Climate overview Temperature Rainfall
Current conditions Warrenton –  

Climate overview of Warrenton

Warrenton, Missouri, United States of America, sees big temperature differences between seasons, with July peaking at 31°C (88°F) and January dropping to 4°C (39°F).

The city receives considerable rain/snowfall, with around 1189 mm (47 in) annually. April is the wettest month. It has very warm summers and cold winters.

Warrenton Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Warrenton - and find the best time to visit.

Monthly Temperature in Warrenton

Visitors to Warrenton can expect significant temperature changes throughout the year. Typically, average maximum daytime temperatures range from a very warm 31°C (88°F) in July to a chilly 4°C (39°F) in the coolest month, January.

Nights vary from 19°C (66°F) in July to around -7°C (19°F) during the colder months.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Warrenton

Warrenton is known for its substantial rain/snowfall, with annual precipitation reaching 1189 mm (47 in). The climate in Warrenton shows significant variation throughout the year. Expect high rainfall in April, the wettest month, with an average of 131 mm (5.2 in) of precipitation over 12 rainy days.

In contrast, the driest month January offers drier and sunnier days, with around 46 mm (1.8 in) of snow/rainfall over 7 snowy/rainy days. For more details, please visit our Warrenton Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

Best Time to Visit Warrenton

For comfortable weather, consider visiting Warrenton in April, May, June, September and October. Conditions are usually least favourable in January, February and December.

Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.

  • Best overall: April, May, June, September and October
  • Warmest weather: July and August
  • Fewest rainy days: January, February, August and November
  • Seasonal pattern: Very warm summers and cold winters
  • Coldest conditions: January, with freezing nights around -7°C (19°F).

Frequently asked questions about the climate in Warrenton

What is the best time to visit Warrenton?

April, May, June, September and October typically offer the most optimal weather in Warrenton. In contrast, January, February and December tend to have less optimal conditions. Warrenton has very warm summers and cold winters.

What temperatures can I expect in Warrenton?

Daytime highs range from 4°C (39°F) in January to 31°C (88°F) in July. Nighttime lows range from -7°C (19°F) to 19°C (66°F). Temperatures vary considerably through the year.

How much rain does Warrenton get?

Annual rainfall is around 1189 mm (47 in). April is the wettest month with 131 mm (5.2 in), while January is the driest with 46 mm (1.8 in).

Warrenton 3-Day Forecast

Warrenton on the map

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