City by Month

Chicago in March

In March, Chicago has 62.2 mm (2.45 in) of rain, a daily high of 8.3 °C (46.9 °F) and a daily low of -0.6 °C (30.9 °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: March misses our rule: days are 7.7 °C under our 16 °C and nights are 8.6 °C under our 8 °C. Expect days that grow by 1 h 24 min.

What March is like in Chicago

How we choose these portraits

Key figures

Weather in March, 1991-2020 means

Daily high
8.3 °C (46.9 °F)
Daily low
-0.6 °C (30.9 °F)
Rain
62.2 mm (2.45 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 March 2026

Sunrise
07:02 local time
Sunset
18:57 local time
Day length
11 h 55 min

Day length 1-31 March: 11 h 16 min to 12 h 40 min, +1 h 24 min.

How we compute daylight

Source: NOAA Solar Calculator equations, checked .

Clocks go forward one hour on Sunday 8 March 2026 at 02:00 (UTC-6 to UTC-5); in 2027 on 14 March.

Source: tz database 2026d, 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

Chicago: March ranked against the 12 months
MeasureMarchRank
Daily high8.3 °C4th coldest
Daily low-0.6 °C4th coldest
Rain62.2 mm5th driest
Sunshineno datano data
Day length11 h 55 min6th shortest

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

March 2026: none.

March 2027: none.

Typed from the official list and re-checked, .

How we check holidays

Source: Official public holiday list (cms.illinois.gov), checked .

Same month in 20 cities

Chicago is the coolest of our 20 cities in March by mean daily high. How we rank cities

Closest high and low in March: Prague (1.3 °C apart), Berlin (1.4), Munich (2.1).

March in 20 cities: daily high and low, monthly rain and sunshine, 1991-2020 means. Bars: high and low share one scale, coldest to warmest city; rain and sunshine start at zero.
CityGap from Chicago, °CHigh, °CLow, °CRain, mmSunshine, hours
Chicago (this page)—8.3-0.662.2no data
Prague (closest)1.39.30.931.0126.9
Berlin (closest)1.49.01.440.5123.7
Munich (closest)2.110.11.761.2145.3
New York2.29.92.1109.0no data
Amsterdam2.610.12.851.8146.0
Vienna2.810.72.651.6155.1
London4.711.95.137.0no data
Paris5.412.85.645.2134.0
Tokyo5.814.25.0116.0175.3
Hiroshima6.014.55.1118.3176.7
Osaka6.314.26.0103.1172.2
Rome7.015.85.9no datano data
Madrid7.516.46.335.3no data
Barcelona9.016.88.841.7194.9
Seville11.721.59.546.9246.3
Los Angeles12.421.111.356.6no data
Hong Kong15.921.917.675.3100.0
Buenos Aires18.527.017.7120.0215.5
Singapore24.732.224.9151.7no 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.

All cities in March

Sources

Official sources

Cite this page: City by Month. "Chicago in March: weather, daylight, holidays". https://citybymonth.com/cities/united-states/chicago/march/. Last updated 5 November 2026.