Chicago in April
In April, Chicago has 95.3 mm (3.75 in) of rain, a daily high of 15.0 °C (59.0 °F) and a daily low of 4.6 °C (40.3 °F), as 1991-2020 means; figures in brackets are converted.
Last updated : what the month is like; shorter source notes.
Best time to visit Chicago: April misses our rule: days are 1.0 °C under our 16 °C and nights are 3.4 °C under our 8 °C. Expect days that grow by 1 h 17 min.
What April is like in Chicago
- About two hundred pink and white cherry trees grow at the Columbian Basin in Jackson Park. Their blossoms usually peak in late April or early May. Source: Chicago Park District, checked .
- All through April, smelt fishing draws families to Chicago's lakefront. Their nets may not touch the water until seven in the evening. Source: Chicago Park District, checked .
- From April, moving art is projected each night onto the river side of theMART, beside the Chicago Riverwalk. The free show runs until December. Source: Choose Chicago (official tourism site), checked .
Key figures
Weather in April, 1991-2020 means
- Daily high
- 15.0 °C (59.0 °F)
- Daily low
- 4.6 °C (40.3 °F)
- Rain
- 95.3 mm (3.75 in) in the month
- Sunshine
- no data
U.S. Climate Normals 1991-2020, NOAA. Checked .
Measured at Chicago O'Hare International Airport, 28 km north-west of the city centre point.
How we define and convert these figures
Notes. Daily high and low: changed: source gives °F; converted to °C, rounded to 0.1. Rain: changed: source gives inches; converted to mm (x 25.4), rounded to 0.1. Sunshine: the NOAA U.S. monthly normals have no sunshine measure.
Daylight on 15 April 2026
- Sunrise
- 06:10 local time
- Sunset
- 19:32 local time
- Day length
- 13 h 22 min
Day length 1-30 April: 12 h 43 min to 14 h 00 min, +1 h 17 min.
Source: NOAA Solar Calculator equations, checked .
Month by month
Each month: daily high in °C, then rain in mm, 1991-2020 means.
NOAA U.S. Climate Normals 1991-2020, as above, checked .
This month against the year
| Measure | April | Rank |
|---|---|---|
| Daily high | 15.0 °C | 6th coldest |
| Daily low | 4.6 °C | 6th coldest |
| Rain | 95.3 mm | 4th wettest |
| Sunshine | no data | no data |
| Day length | 13 h 22 min | 5th longest |
Equal values share a rank. How we rank months
NOAA U.S. Climate Normals 1991-2020, as above, checked .
Day length: NOAA solar equations, checked .
Public holidays this month
April 2026: none.
April 2027: none.
Typed from the official list and re-checked, .
Source: Official public holiday list (cms.illinois.gov), checked .
Same month in 20 cities
Chicago is warmer than 1 of our 20 cities in April by mean daily high. How we rank cities
Closest high and low in April: Prague (0.2 °C apart), Berlin (0.4), Munich (0.5).
| City | Gap from Chicago, °C | High, °C | Low, °C | Rain, mm | Sunshine, hours |
|---|---|---|---|---|---|
| Chicago (this page) | — | 15.0 | 4.6 | 95.3 | no data |
| Prague (closest) | 0.2 | 15.4 | 4.6 | 26.8 | 190.8 |
| Berlin (closest) | 0.4 | 15.1 | 5.2 | 29.3 | 192.0 |
| Munich (closest) | 0.5 | 15.2 | 5.3 | 56.0 | 186.0 |
| Amsterdam | 0.7 | 14.3 | 5.2 | 39.6 | 197.7 |
| London | 1.2 | 15.1 | 6.9 | 42.5 | no data |
| Vienna | 2.2 | 17.2 | 6.7 | 41.8 | 216.5 |
| New York | 2.3 | 16.6 | 7.5 | 103.9 | no data |
| Paris | 2.5 | 16.6 | 7.9 | 45.8 | 177.0 |
| Madrid | 3.9 | 19.1 | 8.2 | 46.1 | no data |
| Rome | 3.9 | 18.8 | 8.6 | no data | no data |
| Tokyo | 4.8 | 19.4 | 9.8 | 133.7 | 178.8 |
| Barcelona | 5.2 | 18.9 | 11.1 | 47.3 | 211.4 |
| Hiroshima | 5.2 | 19.8 | 10.1 | 141.0 | 191.9 |
| Osaka | 5.6 | 19.9 | 10.9 | 101.9 | 192.6 |
| Los Angeles | 7.8 | 22.4 | 12.7 | 17.5 | no data |
| Seville | 7.8 | 23.7 | 11.5 | 54.0 | 270.2 |
| Buenos Aires | 8.9 | 23.2 | 14.1 | 130.3 | 168.1 |
| Hong Kong | 13.6 | 25.6 | 21.1 | 153.0 | 113.2 |
| Singapore | 19.1 | 32.4 | 25.3 | 164.3 | no data |
Sources (1991-2020): WMO climate normals and NOAA U.S. Climate Normals, checked , ; Hong Kong: our 1991-2020 mean of the Hong Kong Observatory daily climate series on DATA.GOV.HK; Singapore: our 1991-2020 mean of the National Environment Agency monthly climate series on data.gov.sg; both checked . Each city's page names its station. All sources in full on Methodology.
Hong Kong figures: The Government of the Hong Kong Special Administrative Region and the Hong Kong Observatory own the intellectual property rights in the data; attribution to them and DATA.GOV.HK. Licence: Terms and Conditions of Use of DATA.GOV.HK, version 1.2.
Singapore figures: Contains information from the National Environment Agency on data.gov.sg, made available under the terms of the Singapore Open Data Licence version 1.0 (https://data.gov.sg/open-data-licence). The Agency does not endorse our means.
Sources
- Attribution: Palecki, Michael; Durre, Imke; Applequist, Scott; Arguez, Anthony; Lawrimore, Jay (2021). U.S. Climate Normals 2020: U.S. Monthly Climate Normals (1991-2020). Station files named in each record. NOAA National Centers for Environmental Information. Dataset. https://doi.org/10.25921/wck8-er13. Accessed on the check date shown. Licence: No licence stated; citation requested. Checked .
- NOAA Solar Calculator equations, computed locally, NOAA Global Monitoring Laboratory (method); City by Month (computation). Attribution: Computed with the NOAA Solar Calculator method (no NOAA endorsement implied). Licence: Method, not data. Checked .
Official sources
Cite this page: City by Month. "Chicago in April: weather, daylight, holidays". https://citybymonth.com/cities/united-states/chicago/april/. Last updated 5 November 2026.