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Chicago, IL vs Port Chester, NY weather comparison

Chicago

IL

Port Chester enjoys about 21 more sunny days a year than Chicago.

The year at a glance

Averages from 30 years of climate history, 1991-2020

Annual weather statistics for Chicago, IL and Port Chester, NY
ChicagoMetricPort Chester
180 daysSunny daysclear or partly cloudy skies201 days
39 inPrecipitationper year44 in
132 daysWet daysrain or snow per year122 days
37 inSnowfallper year32 in
16 daysHot daysabove 90 °F12 days
102 daysFreezing nightsat or below 32 °F105 days
71%Humidityaverage relative73%
52 °FAverage temperatureyear round52 °F

Monthly temperatures

Average daily high and low for each month, in °F. The gap between the two lines is what an ordinary day feels like across the year.

ChicagoPort Chester

Daily highs

406080JanMarMayJulSepNovChicago, Jan: 32 °FChicago, Feb: 36 °FChicago, Mar: 46 °FChicago, Apr: 57 °FChicago, May: 68 °FChicago, Jun: 78 °FChicago, Jul: 83 °FChicago, Aug: 81 °FChicago, Sep: 75 °FChicago, Oct: 62 °FChicago, Nov: 49 °FChicago, Dec: 37 °FPort Chester, Jan: 38 °FPort Chester, Feb: 41 °FPort Chester, Mar: 48 °FPort Chester, Apr: 60 °FPort Chester, May: 70 °FPort Chester, Jun: 79 °FPort Chester, Jul: 84 °FPort Chester, Aug: 82 °FPort Chester, Sep: 75 °FPort Chester, Oct: 64 °FPort Chester, Nov: 53 °FPort Chester, Dec: 43 °F

Daily lows

204060JanMarMayJulSepNovChicago, Jan: 20 °FChicago, Feb: 23 °FChicago, Mar: 31 °FChicago, Apr: 41 °FChicago, May: 51 °FChicago, Jun: 61 °FChicago, Jul: 67 °FChicago, Aug: 67 °FChicago, Sep: 60 °FChicago, Oct: 47 °FChicago, Nov: 36 °FChicago, Dec: 25 °FPort Chester, Jan: 22 °FPort Chester, Feb: 24 °FPort Chester, Mar: 31 °FPort Chester, Apr: 40 °FPort Chester, May: 50 °FPort Chester, Jun: 59 °FPort Chester, Jul: 65 °FPort Chester, Aug: 64 °FPort Chester, Sep: 56 °FPort Chester, Oct: 45 °FPort Chester, Nov: 36 °FPort Chester, Dec: 28 °F
View monthly temperatures as a table
Monthly temperatures (°F)
CityJanFebMarAprMayJunJulAugSepOctNovDec
Chicago high323646576878838175624937
Port Chester high384148607079848275645343
Chicago low202331415161676760473625
Port Chester low222431405059656456453628

Monthly precipitation

Total rain plus melted snow for each month, in inches. Taller bars mean wetter months.

ChicagoPort Chester
0.02.04.0JanMarMayJulSepNovChicago, Jan: 2.4 inChicago, Feb: 2.1 inChicago, Mar: 2.8 inChicago, Apr: 4.5 inChicago, May: 4.4 inChicago, Jun: 4.0 inChicago, Jul: 3.6 inChicago, Aug: 3.8 inChicago, Sep: 3.0 inChicago, Oct: 3.3 inChicago, Nov: 2.8 inChicago, Dec: 2.4 inPort Chester, Jan: 3.3 inPort Chester, Feb: 3.0 inPort Chester, Mar: 4.1 inPort Chester, Apr: 3.7 inPort Chester, May: 3.4 inPort Chester, Jun: 3.8 inPort Chester, Jul: 3.8 inPort Chester, Aug: 4.0 inPort Chester, Sep: 3.7 inPort Chester, Oct: 3.9 inPort Chester, Nov: 3.2 inPort Chester, Dec: 4.0 in
View monthly precipitation as a table
Monthly precipitation (inches)
CityJanFebMarAprMayJunJulAugSepOctNovDec
Chicago2.42.12.84.54.44.03.63.83.03.32.82.4
Port Chester3.33.04.13.73.43.83.84.03.73.93.24.0

Monthly sunny days

Days each month with clear or partly cloudy skies, so compare the same month between cities.

ChicagoPort Chester
01020JanMarMayJulSepNovChicago, Jan: 10 daysChicago, Feb: 11 daysChicago, Mar: 14 daysChicago, Apr: 13 daysChicago, May: 15 daysChicago, Jun: 16 daysChicago, Jul: 20 daysChicago, Aug: 20 daysChicago, Sep: 20 daysChicago, Oct: 16 daysChicago, Nov: 14 daysChicago, Dec: 11 daysPort Chester, Jan: 17 daysPort Chester, Feb: 16 daysPort Chester, Mar: 17 daysPort Chester, Apr: 15 daysPort Chester, May: 15 daysPort Chester, Jun: 15 daysPort Chester, Jul: 19 daysPort Chester, Aug: 18 daysPort Chester, Sep: 18 daysPort Chester, Oct: 19 daysPort Chester, Nov: 17 daysPort Chester, Dec: 16 days
View monthly sunny days as a table
Monthly sunny days (days)
CityJanFebMarAprMayJunJulAugSepOctNovDec
Chicago101114131516202020161411
Port Chester171617151515191818191716

Keep comparing

Nearby cities and popular picks for each side of this matchup. Any two cities can be compared from the home page.

Chicago vs another city

See the full Chicago, IL climate profile

More Illinois cities

Port Chester vs another city

See the full Port Chester, NY climate profile

More New York cities

About this data

Every figure on this page is a 30 year average computed from daily climate history for 1991-2020, using each city's own coordinates. Wet days count days with measurable precipitation, calibrated against the wet day counts in NOAA's published climate normals. Sunny days count clear plus partly cloudy days, defined as average cloud cover of 63 percent or less and calibrated against NOAA's published sky cover tables. Snowfall figures are model estimates anchored to NOAA station measurements near each city.

Weather data by Open-Meteo.com (CC BY 4.0). Contains modified Copernicus Climate Change Service information (ERA5, ERA5-Land).