Metropolis (IL) Weather & Climate: Best Time to Visit

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

Climate overview of Metropolis

Temperatures in Metropolis, Illinois, United States of America, vary greatly throughout the year. August is the hottest month at 31°C (88°F), while January is the coldest at 6°C (43°F).

The city has a wet climate, receiving around 1417 mm (56 in) of rain/snowfall per year. Despite the high annual total, it has very warm summers and cold winters. April is the wettest month.

Metropolis Weather by Month

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

Monthly Temperature in Metropolis

The climate in Metropolis is known for significant temperature differences throughout the year, making the weather dynamic. On average, daytime temperatures range from a very warm 31°C (88°F) in August to a chilly 6°C (43°F) in January.

Nighttime temperatures range from 20°C (68°F) in August to -4°C (25°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Metropolis

Metropolis has a notably wet climate with abundant precipitation, recording 1417 mm (56 in) of rain/snowfall per year. The amount of precipitation varies moderately throughout the year. The wettest month, April, sees around 146 mm (5.7 in) of rainfall, perfect for those who enjoy a bit of rain now and then. The driest month, August, still receives a respectable 81 mm (3.2 in) of rainfall. For more details, please visit our Metropolis Precipitation page.

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

Best Time to Visit Metropolis

Conditions in Metropolis are generally most comfortable in April, May, September and October. They are typically least comfortable 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, September and October
  • Warmest weather: June, July and August
  • Seasonal pattern: Very warm summers and cold winters
  • Coldest conditions: January, with freezing nights around -4°C (25°F).

Frequently asked questions about the climate in Metropolis

What is the best time to visit Metropolis?

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

What temperatures can I expect in Metropolis?

Daytime highs range from 6°C (43°F) in January to 31°C (88°F) in August. Nighttime lows range from -4°C (25°F) to 20°C (68°F). Temperatures vary considerably through the year.

How much rain does Metropolis get?

Annual rainfall is around 1417 mm (56 in). April is the wettest month with 146 mm (5.7 in), while August is the driest with 81 mm (3.2 in).

Metropolis 3-Day Forecast

Metropolis (IL) 3-Day Forecast

Metropolis on the map

Metropolis is highlighted - select any city to see its climate.

Popular this month

Where to go in July - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.