Chicago · United States

Chicago in July: every year compared

In July, Chicago averages highs of 27.7 °C and lows of 19.9 °C, with 92 mm of precipitation. The warmest July was 2012 (27.4 °C), the coldest 2014 (20.8 °C).

Avg. highAvg. high 27.7 °C

Avg. lowAvg. low 19.9 °C

PrecipitationPrecipitation 92 mm

Rainy daysRainy days 12

Day by day through July

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

Normal high and low, day by dayNormal 1991–2020

Every July in Chicago, ranked

86 months of July since 1940. The last one, 2025, ranks 19 of 86 (+0.8 °C vs normal).

194019832025

2025 · 24.6 °C · +0.8 °C vs normal · rank 19 of 86

Warmest years

1201227.4 °C
2201126.5 °C
3195526.3 °C
4198326.3 °C
5199926.2 °C

Coldest years

1201420.8 °C
2194721.0 °C
3200921.5 °C
4199621.6 °C
5199221.6 °C

All 86 years in a table

Year	Mean temperature	Daytime highs	Night lows	Precipitation	Hot days (30 °C+)	Rainy days
2025	24.6 °C	28.4 °C	20.9 °C	123 mm	10 days	14 days
2024	22.9 °C	26.8 °C	18.8 °C	94 mm	5 days	14 days
2023	23.0 °C	26.9 °C	18.9 °C	134 mm	6 days	13 days
2022	23.7 °C	27.2 °C	19.9 °C	77 mm	5 days	9 days
2021	22.9 °C	26.3 °C	19.2 °C	55 mm	8 days	10 days
2020	24.9 °C	28.5 °C	21.1 °C	126 mm	7 days	11 days
2019	24.0 °C	27.7 °C	20.3 °C	78 mm	8 days	14 days
2018	23.3 °C	26.8 °C	19.5 °C	71 mm	6 days	9 days
2017	22.8 °C	26.3 °C	19.0 °C	130 mm	1 day	12 days
2016	23.9 °C	27.7 °C	20.3 °C	112 mm	7 days	12 days
2015	22.1 °C	26.1 °C	18.1 °C	104 mm	5 days	12 days
2014	20.8 °C	24.8 °C	16.3 °C	72 mm	1 day	13 days
2013	23.3 °C	26.7 °C	19.7 °C	40 mm	5 days	11 days
2012	27.4 °C	31.8 °C	22.8 °C	36 mm	21 days	10 days
2011	26.5 °C	30.3 °C	22.7 °C	93 mm	18 days	10 days
2010	25.4 °C	29.2 °C	21.6 °C	145 mm	14 days	17 days
2009	21.5 °C	25.2 °C	17.7 °C	43 mm	0 days	8 days
2008	24.0 °C	28.4 °C	19.7 °C	89 mm	8 days	11 days
2007	23.4 °C	27.4 °C	19.1 °C	78 mm	5 days	8 days
2006	25.0 °C	28.9 °C	21.1 °C	54 mm	11 days	11 days
2005	24.6 °C	28.7 °C	20.4 °C	106 mm	10 days	10 days
2004	22.4 °C	26.0 °C	19.0 °C	124 mm	2 days	14 days
2003	23.1 °C	27.1 °C	19.0 °C	133 mm	4 days	13 days
2002	25.5 °C	29.4 °C	21.7 °C	78 mm	17 days	7 days
2001	24.1 °C	28.2 °C	19.9 °C	87 mm	10 days	12 days
2000	22.5 °C	25.8 °C	19.2 °C	126 mm	1 day	14 days
1999	26.2 °C	30.1 °C	22.2 °C	62 mm	15 days	9 days
1998	24.0 °C	27.6 °C	20.3 °C	55 mm	4 days	6 days
1997	23.7 °C	27.7 °C	19.8 °C	46 mm	12 days	10 days
1996	21.6 °C	25.6 °C	17.5 °C	96 mm	3 days	15 days
1995	25.5 °C	29.7 °C	21.4 °C	69 mm	15 days	11 days
1994	23.2 °C	27.1 °C	19.4 °C	77 mm	5 days	14 days
1993	24.2 °C	27.6 °C	21.0 °C	110 mm	6 days	15 days
1992	21.6 °C	25.0 °C	18.3 °C	266 mm	2 days	19 days
1991	24.7 °C	29.3 °C	20.4 °C	61 mm	14 days	10 days
1990	22.9 °C	26.4 °C	19.4 °C	128 mm	5 days	12 days
1989	23.8 °C	27.6 °C	20.1 °C	135 mm	6 days	14 days
1988	25.2 °C	29.8 °C	20.6 °C	108 mm	16 days	7 days
1987	25.1 °C	29.3 °C	21.6 °C	88 mm	18 days	11 days
1986	24.6 °C	28.5 °C	21.2 °C	126 mm	9 days	11 days
1985	23.5 °C	27.5 °C	19.6 °C	111 mm	6 days	9 days
1984	23.1 °C	27.2 °C	18.8 °C	54 mm	8 days	7 days
1983	26.3 °C	30.8 °C	22.2 °C	68 mm	22 days	12 days
1982	23.8 °C	27.7 °C	20.3 °C	91 mm	6 days	11 days
1981	23.1 °C	26.8 °C	19.4 °C	107 mm	8 days	12 days
1980	24.8 °C	29.0 °C	20.8 °C	126 mm	12 days	12 days
1979	22.5 °C	26.5 °C	18.1 °C	79 mm	4 days	7 days
1978	22.9 °C	26.9 °C	19.2 °C	124 mm	6 days	14 days
1977	25.4 °C	30.0 °C	21.0 °C	66 mm	14 days	11 days
1976	23.5 °C	27.7 °C	19.1 °C	78 mm	7 days	9 days
1975	23.4 °C	27.7 °C	19.1 °C	41 mm	8 days	10 days
1974	24.4 °C	28.6 °C	20.1 °C	44 mm	12 days	7 days
1973	24.1 °C	27.9 °C	20.1 °C	119 mm	10 days	10 days
1972	23.0 °C	26.8 °C	18.8 °C	76 mm	7 days	13 days
1971	22.3 °C	26.4 °C	18.0 °C	53 mm	3 days	9 days
1970	23.8 °C	28.0 °C	19.5 °C	86 mm	13 days	12 days
1969	23.3 °C	26.7 °C	19.8 °C	134 mm	4 days	16 days
1968	23.2 °C	27.5 °C	19.1 °C	58 mm	6 days	8 days
1967	21.8 °C	25.8 °C	17.7 °C	78 mm	2 days	12 days
1966	24.8 °C	29.3 °C	20.4 °C	27 mm	14 days	8 days
1965	22.8 °C	27.1 °C	18.4 °C	52 mm	3 days	9 days
1964	23.8 °C	27.7 °C	19.9 °C	50 mm	11 days	9 days
1963	23.1 °C	27.4 °C	18.9 °C	102 mm	4 days	8 days
1962	21.6 °C	25.3 °C	18.1 °C	135 mm	1 day	11 days
1961	22.8 °C	26.8 °C	19.1 °C	136 mm	2 days	12 days
1960	22.5 °C	26.8 °C	18.2 °C	59 mm	6 days	7 days
1959	23.3 °C	27.6 °C	19.1 °C	101 mm	4 days	12 days
1958	22.3 °C	25.9 °C	18.9 °C	117 mm	0 days	14 days
1957	24.2 °C	28.3 °C	20.2 °C	62 mm	8 days	10 days
1956	22.2 °C	26.0 °C	18.6 °C	84 mm	3 days	15 days
1955	26.3 °C	30.4 °C	22.3 °C	84 mm	16 days	12 days
1954	23.8 °C	28.1 °C	19.5 °C	107 mm	12 days	8 days
1953	24.6 °C	28.6 °C	20.2 °C	85 mm	13 days	10 days
1952	24.7 °C	29.0 °C	20.4 °C	88 mm	13 days	9 days
1951	22.5 °C	26.4 °C	18.2 °C	107 mm	1 day	15 days
1950	22.0 °C	26.0 °C	17.7 °C	94 mm	3 days	10 days
1949	25.3 °C	29.1 °C	21.7 °C	101 mm	15 days	12 days
1948	23.8 °C	28.0 °C	19.3 °C	75 mm	7 days	14 days
1947	21.0 °C	24.8 °C	17.1 °C	47 mm	1 day	10 days
1946	23.0 °C	26.6 °C	19.2 °C	36 mm	5 days	10 days
1945	21.7 °C	25.2 °C	18.0 °C	62 mm	2 days	11 days
1944	22.9 °C	26.9 °C	18.8 °C	49 mm	2 days	7 days
1943	22.7 °C	26.6 °C	18.9 °C	96 mm	2 days	12 days
1942	23.3 °C	27.2 °C	19.5 °C	76 mm	5 days	15 days
1941	22.8 °C	26.8 °C	18.7 °C	25 mm	11 days	7 days
1940	22.3 °C	26.3 °C	18.1 °C	24 mm	9 days	7 days

July records

Hottest day

38.0 °C

July 14, 1995 estimate

Nearby station: 41.1 °C on July 13, 1995 measured

Coldest night

10.3 °C

July 5, 1972 estimate

Nearby station: 7.8 °C on July 5, 1972 measured

Wettest day

55 mm

July 10, 2017 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 July?

Highs average 27.7 °C and lows 19.9 °C. A typical July brings 8 hot days (30 °C or more) and 0 frost days.

Does it rain a lot in Chicago in July?

About 92 mm falls in July, over some 12 days with at least 1 mm. The wettest July was 1992 (266 mm), the driest 1940 (24 mm).

What was the warmest July in Chicago?

2012, with a mean temperature of 27.4 °C. The coldest was 2014 (20.8 °C). The last one, 2025, ranks 19 of 86.