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Brookhaven, PA vs Chicago, IL weather comparison

Brookhaven

PA

Chicago picks up around 18 more inches of snow each winter.

Brookhaven enjoys about 23 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 Brookhaven, PA and Chicago, IL
BrookhavenMetricChicago
203 daysSunny daysclear or partly cloudy skies180 days
44 inPrecipitationper year39 in
120 daysWet daysrain or snow per year132 days
19 inSnowfallper year37 in
26 daysHot daysabove 90 °F16 days
78 daysFreezing nightsat or below 32 °F102 days
69%Humidityaverage relative71%
57 °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.

BrookhavenChicago

Daily highs

406080JanMarMayJulSepNovBrookhaven, Jan: 42 °FBrookhaven, Feb: 45 °FBrookhaven, Mar: 53 °FBrookhaven, Apr: 65 °FBrookhaven, May: 74 °FBrookhaven, Jun: 83 °FBrookhaven, Jul: 88 °FBrookhaven, Aug: 86 °FBrookhaven, Sep: 79 °FBrookhaven, Oct: 68 °FBrookhaven, Nov: 57 °FBrookhaven, Dec: 47 °FChicago, 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 °F

Daily lows

204060JanMarMayJulSepNovBrookhaven, Jan: 26 °FBrookhaven, Feb: 28 °FBrookhaven, Mar: 34 °FBrookhaven, Apr: 45 °FBrookhaven, May: 55 °FBrookhaven, Jun: 64 °FBrookhaven, Jul: 70 °FBrookhaven, Aug: 68 °FBrookhaven, Sep: 61 °FBrookhaven, Oct: 49 °FBrookhaven, Nov: 40 °FBrookhaven, Dec: 32 °FChicago, 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 °F
View monthly temperatures as a table
Monthly temperatures (°F)
CityJanFebMarAprMayJunJulAugSepOctNovDec
Brookhaven high424553657483888679685747
Chicago high323646576878838175624937
Brookhaven low262834455564706861494032
Chicago low202331415161676760473625

Monthly precipitation

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

BrookhavenChicago
0.02.04.0JanMarMayJulSepNovBrookhaven, Jan: 3.2 inBrookhaven, Feb: 3.0 inBrookhaven, Mar: 4.1 inBrookhaven, Apr: 3.6 inBrookhaven, May: 3.5 inBrookhaven, Jun: 3.9 inBrookhaven, Jul: 3.9 inBrookhaven, Aug: 3.9 inBrookhaven, Sep: 4.2 inBrookhaven, Oct: 3.6 inBrookhaven, Nov: 3.0 inBrookhaven, Dec: 3.9 inChicago, 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 in
View monthly precipitation as a table
Monthly precipitation (inches)
CityJanFebMarAprMayJunJulAugSepOctNovDec
Brookhaven3.23.04.13.63.53.93.93.94.23.63.03.9
Chicago2.42.12.84.54.44.03.63.83.03.32.82.4

Monthly sunny days

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

BrookhavenChicago
01020JanMarMayJulSepNovBrookhaven, Jan: 16 daysBrookhaven, Feb: 16 daysBrookhaven, Mar: 16 daysBrookhaven, Apr: 15 daysBrookhaven, May: 16 daysBrookhaven, Jun: 16 daysBrookhaven, Jul: 18 daysBrookhaven, Aug: 19 daysBrookhaven, Sep: 18 daysBrookhaven, Oct: 19 daysBrookhaven, Nov: 17 daysBrookhaven, Dec: 16 daysChicago, 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 days
View monthly sunny days as a table
Monthly sunny days (days)
CityJanFebMarAprMayJunJulAugSepOctNovDec
Brookhaven161616151616181918191716
Chicago101114131516202020161411

Keep comparing

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

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).