Chicago · United States

Chicago in April: every year compared

In April, Chicago averages highs of 13.4 °C and lows of 5.0 °C, with 113 mm of precipitation. The warmest April was 2010 (12.4 °C), the coldest 1940 (3.7 °C).

Avg. highAvg. high 13.4 °C

Avg. lowAvg. low 5.0 °C

PrecipitationPrecipitation 113 mm

Rainy daysRainy days 12

Day by day through April

Normal high and low for each day of April in Chicago.

Normal high and low, day by dayNormal 1991–2020

Every April in Chicago, ranked

86 months of April since 1940. The last one, 2025, ranks 25 of 86 (+0.7 °C vs normal).

194019832025

2025 · 9.9 °C · +0.7 °C vs normal · rank 25 of 86

Warmest years

1201012.4 °C
2197711.7 °C
3200611.7 °C
4198511.5 °C
5195511.4 °C

Coldest years

119403.7 °C
220184.7 °C
319434.8 °C
419505.1 °C
519445.2 °C

All 86 years in a table

Year	Mean temperature	Daytime highs	Night lows	Precipitation	Frost days	Snowfall	Rainy days
2025	9.9 °C	14.1 °C	5.8 °C	71 mm	3 days	0 cm	11 days
2024	10.7 °C	14.3 °C	6.8 °C	123 mm	1 day	3 cm	16 days
2023	10.2 °C	15.0 °C	5.3 °C	60 mm	1 day	1 cm	10 days
2022	8.5 °C	11.9 °C	4.6 °C	110 mm	4 days	1 cm	15 days
2021	10.1 °C	14.5 °C	6.0 °C	51 mm	3 days	1 cm	9 days
2020	7.8 °C	12.2 °C	3.8 °C	163 mm	4 days	6 cm	17 days
2019	9.2 °C	13.8 °C	5.1 °C	149 mm	2 days	27 cm	13 days
2018	4.7 °C	8.7 °C	0.7 °C	104 mm	13 days	9 cm	11 days
2017	11.2 °C	15.3 °C	6.9 °C	216 mm	0 days	0 cm	13 days
2016	8.5 °C	12.7 °C	4.6 °C	111 mm	5 days	3 cm	14 days
2015	9.5 °C	13.7 °C	5.0 °C	111 mm	1 day	0 cm	10 days
2014	8.7 °C	13.2 °C	4.0 °C	83 mm	4 days	2 cm	12 days
2013	8.1 °C	12.3 °C	4.0 °C	189 mm	4 days	0 cm	12 days
2012	10.7 °C	14.7 °C	6.6 °C	73 mm	0 days	0 cm	9 days
2011	8.9 °C	12.8 °C	5.3 °C	171 mm	1 day	3 cm	14 days
2010	12.4 °C	17.4 °C	7.6 °C	100 mm	0 days	0 cm	9 days
2009	8.7 °C	12.8 °C	4.5 °C	151 mm	3 days	7 cm	16 days
2008	9.6 °C	13.9 °C	5.6 °C	105 mm	1 day	1 cm	13 days
2007	8.4 °C	12.6 °C	4.2 °C	91 mm	6 days	9 cm	9 days
2006	11.7 °C	16.4 °C	7.2 °C	112 mm	1 day	0 cm	13 days
2005	10.7 °C	15.3 °C	6.3 °C	30 mm	0 days	1 cm	4 days
2004	10.3 °C	14.6 °C	5.6 °C	61 mm	2 days	0 cm	8 days
2003	8.5 °C	13.1 °C	4.0 °C	76 mm	8 days	9 cm	9 days
2002	9.5 °C	13.2 °C	5.6 °C	135 mm	4 days	3 cm	14 days
2001	11.2 °C	16.0 °C	6.2 °C	67 mm	4 days	0 cm	11 days
2000	8.9 °C	13.1 °C	4.4 °C	90 mm	4 days	5 cm	13 days
1999	9.8 °C	13.6 °C	5.9 °C	185 mm	0 days	0 cm	18 days
1998	10.1 °C	13.9 °C	6.4 °C	100 mm	0 days	0 cm	14 days
1997	7.1 °C	11.2 °C	2.8 °C	60 mm	9 days	8 cm	10 days
1996	7.1 °C	11.3 °C	2.9 °C	86 mm	8 days	1 cm	13 days
1995	7.7 °C	11.3 °C	4.2 °C	115 mm	2 days	0 cm	14 days
1994	10.0 °C	14.7 °C	5.5 °C	109 mm	3 days	2 cm	9 days
1993	7.4 °C	11.0 °C	3.6 °C	165 mm	5 days	10 cm	16 days
1992	7.5 °C	11.4 °C	4.1 °C	76 mm	4 days	1 cm	17 days
1991	11.1 °C	15.2 °C	7.2 °C	118 mm	1 day	0 cm	12 days
1990	9.5 °C	13.6 °C	5.3 °C	57 mm	8 days	0 cm	12 days
1989	8.0 °C	11.9 °C	4.1 °C	61 mm	6 days	0 cm	12 days
1988	8.6 °C	13.0 °C	4.5 °C	85 mm	0 days	0 cm	10 days
1987	9.6 °C	14.0 °C	5.5 °C	78 mm	5 days	1 cm	5 days
1986	10.7 °C	15.3 °C	5.8 °C	59 mm	5 days	0 cm	11 days
1985	11.5 °C	15.5 °C	7.2 °C	66 mm	4 days	4 cm	10 days
1984	7.2 °C	10.6 °C	4.1 °C	97 mm	2 days	7 cm	10 days
1983	6.9 °C	10.3 °C	3.6 °C	132 mm	5 days	1 cm	14 days
1982	6.8 °C	11.0 °C	2.3 °C	60 mm	9 days	21 cm	8 days
1981	10.8 °C	15.0 °C	5.9 °C	153 mm	1 day	0 cm	17 days
1980	7.5 °C	11.4 °C	3.7 °C	91 mm	4 days	10 cm	14 days
1979	6.9 °C	10.6 °C	2.7 °C	89 mm	7 days	0 cm	12 days
1978	7.8 °C	12.3 °C	3.6 °C	81 mm	3 days	0 cm	13 days
1977	11.7 °C	16.8 °C	7.0 °C	71 mm	3 days	1 cm	13 days
1976	10.6 °C	15.2 °C	5.9 °C	82 mm	5 days	4 cm	10 days
1975	5.5 °C	9.0 °C	2.3 °C	124 mm	11 days	24 cm	11 days
1974	10.2 °C	15.0 °C	5.8 °C	97 mm	3 days	1 cm	12 days
1973	9.1 °C	12.5 °C	5.5 °C	83 mm	3 days	3 cm	16 days
1972	6.1 °C	10.0 °C	1.8 °C	140 mm	8 days	5 cm	13 days
1971	7.7 °C	12.5 °C	2.5 °C	19 mm	7 days	0 cm	5 days
1970	8.9 °C	12.9 °C	4.9 °C	137 mm	8 days	22 cm	11 days
1969	8.7 °C	13.5 °C	3.8 °C	73 mm	5 days	0 cm	11 days
1968	10.2 °C	14.8 °C	5.3 °C	69 mm	4 days	1 cm	9 days
1967	9.0 °C	13.3 °C	4.8 °C	127 mm	5 days	2 cm	16 days
1966	7.4 °C	11.4 °C	3.3 °C	129 mm	6 days	1 cm	15 days
1965	6.9 °C	11.1 °C	3.2 °C	150 mm	3 days	0 cm	14 days
1964	8.9 °C	13.0 °C	5.1 °C	159 mm	4 days	1 cm	17 days
1963	9.5 °C	14.4 °C	4.7 °C	99 mm	6 days	0 cm	11 days
1962	8.3 °C	13.0 °C	3.6 °C	58 mm	7 days	5 cm	8 days
1961	6.1 °C	9.8 °C	2.4 °C	130 mm	6 days	34 cm	17 days
1960	10.1 °C	14.9 °C	5.4 °C	92 mm	7 days	0 cm	12 days
1959	8.1 °C	12.3 °C	4.0 °C	141 mm	3 days	4 cm	16 days
1958	8.9 °C	13.2 °C	4.7 °C	89 mm	1 day	0 cm	11 days
1957	8.5 °C	12.4 °C	4.7 °C	173 mm	10 days	12 cm	17 days
1956	7.2 °C	11.4 °C	2.9 °C	148 mm	6 days	1 cm	16 days
1955	11.4 °C	16.1 °C	6.8 °C	77 mm	1 day	0 cm	11 days
1954	10.5 °C	15.0 °C	5.7 °C	115 mm	6 days	1 cm	12 days
1953	7.3 °C	11.1 °C	3.7 °C	115 mm	5 days	1 cm	19 days
1952	9.0 °C	13.5 °C	4.5 °C	70 mm	5 days	10 cm	8 days
1951	7.4 °C	11.2 °C	3.4 °C	94 mm	5 days	5 cm	17 days
1950	5.1 °C	8.7 °C	1.2 °C	164 mm	9 days	7 cm	19 days
1949	7.7 °C	12.3 °C	3.1 °C	59 mm	7 days	6 cm	9 days
1948	10.6 °C	14.9 °C	5.9 °C	88 mm	2 days	2 cm	12 days
1947	6.3 °C	10.5 °C	1.9 °C	164 mm	9 days	7 cm	16 days
1946	9.1 °C	13.5 °C	4.2 °C	42 mm	0 days	0 cm	8 days
1945	9.2 °C	13.3 °C	5.2 °C	121 mm	0 days	0 cm	13 days
1944	5.2 °C	9.1 °C	1.6 °C	132 mm	9 days	2 cm	12 days
1943	4.8 °C	8.8 °C	0.7 °C	82 mm	13 days	15 cm	15 days
1942	8.2 °C	12.8 °C	4.0 °C	50 mm	7 days	1 cm	8 days
1941	7.3 °C	11.4 °C	3.3 °C	74 mm	9 days	2 cm	9 days
1940	3.7 °C	8.0 °C	-0.1 °C	93 mm	13 days	3 cm	11 days

April records

Hottest day

28.8 °C

April 26, 1986 estimate

Nearby station: 33.3 °C on April 30, 1942 measured

Coldest night

-9.5 °C

April 7, 1982 estimate

Nearby station: -12.2 °C on April 7, 1982 measured

Wettest day

57 mm

April 18, 2013 estimate

The weather on your birthday in Chicago

Any day since 1940: high, low, rain, snow, and how warm it was compared with the same date in every other year.

Questions & answers

How warm is Chicago in April?

Highs average 13.4 °C and lows 5.0 °C. A typical April brings 0 hot days (30 °C or more) and 3 frost days.

Does it rain a lot in Chicago in April?

About 113 mm falls in April, over some 12 days with at least 1 mm. The wettest April was 2017 (216 mm), the driest 1971 (19 mm).

What was the warmest April in Chicago?

2010, with a mean temperature of 12.4 °C. The coldest was 1940 (3.7 °C). The last one, 2025, ranks 25 of 86.