Weather in Chicago in April 2025
- April is usually the driest month of the year in Chicago
Average weather
Average temperature in Chicago in April
The expected average maximum temperature in April is +17°C with a maximum of +28°C and a minimum of 0°C.
The average maximum temperature goes down 14% by the end of the month, compared with the beginning of the month, from +17°C to +13°C.
Is Chicago warm or cold in April?
Chicago is typically mild in April.
Maximum temperatures go up compared to the previous month from +6°C to +12°C. The minimum temperature also goes up from -1°C to +5°C.
Pack a light jacket as it will be warm in the day and cool in the evenings.
Take a look at how April is compared to other months in Chicago:
Water temperature in Chicago in April
Water in Chicago in April is Cold. It varies from +3°C to +7°C, with an average of +5°C. The air temperature averaging +12°C is higher than the water temperature.
In April, water temperatures are average relative to the rest of the year:
Can you swim in Chicago in April?
Climate in Chicago in April
| March | April | May | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +6°C | +12°C | +19°C | ||||
| Min. temperature | ||||||
| -20°C | -8°C | 0°C | ||||
| Max. temperature | ||||||
| +25°C | +30°C | +36°C | ||||
| Rainfall | ||||||
| 50 mm | 93 mm | 101 mm | ||||
| Wind | ||||||
| 4 m/s | 4 m/s | 4 m/s | ||||
| Avg. water temperature | ||||||
| +3°C | +5°C | +7°C | ||||
| Humidity | ||||||
| 68% | 64% | 65% | ||||
| Air pressure | ||||||
| 1017 HPa | 1014 HPa | 1014 HPa | ||||
| Sunny days | ||||||
| 3 | 4 | 4 | ||||
| Cloudy days | ||||||
| 13 | 10 | 10 | ||||
| Rainy days | ||||||
| 7 | 12 | 13 | ||||
| Snowy days | ||||||
| 6 | 2 | 0 | ||||
April weather is still as ok as in March. It’s getting warmer as April arrives. The average maximum temperature goes up from +6°C to +12°C during the day. Prepare for more rain. Average rainfall goes from 50 mm to 93 mm. It feels drier, as humidity decreases from 68% to 64%. The average wind speed doesn’t change much during April, staying around 4 m/s. The good news is there are likely to be more sunny days in April, from 3 to 4.
But maybe it is worth considering traveling in May as the weather gets better.
Wind
The average wind speed is 5 m/s getting up to 9 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Chicago is gradually decreasing during April, going from 9 m/s to 6 m/s over the course of the month.
Rain
Snow
Here’s how April is compared with other months in the amount of snow, total mm:
How was the weather last April in Chicago?
Climate Change over Years
The climate in Chicago in April has not changed much over the last 43 years.
The average temperature was the lowest in 1979 (+12°C) and the highest in 2012 (+17°C). The driest year was 2005 with only 501 mm of rainfall, and the wettest year was 2023 with 1535 mm.
FAQ
Is April a good time to visit Chicago?
Can you sunbathe in Chicago in April?
Can you swim in Chicago in April?
Is Chicago rainy in April?
Is it sunny in Chicago in April?
Other cities in USA
Monthly weather in Chicago
Source of the data
For this page, we’ve looked at the typical weather in Chicago, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.