Skip to content
VSWeather

Chicago, IL vs Happy Valley, CA weather comparison

Chicago

IL

Happy Valley endures about 86 more days above 90 °F each year.

Chicago picks up around 30 more inches of snow each winter. Happy Valley has around 77 fewer freezing nights a year.

The year at a glance

Averages from 30 years of climate history, 1991-2020

Annual weather statistics for Chicago, IL and Happy Valley, CA
ChicagoMetricHappy Valley
180 daysSunny daysclear or partly cloudy skies249 days
39 inPrecipitationper year51 in
132 daysWet daysrain or snow per year83 days
37 inSnowfallper year7 in
16 daysHot daysabove 90 °F102 days
102 daysFreezing nightsat or below 32 °F25 days
71%Humidityaverage relative55%
52 °FAverage temperatureyear round63 °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.

ChicagoHappy Valley

Daily highs

406080100JanMarMayJulSepNovChicago, 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 °FHappy Valley, Jan: 56 °FHappy Valley, Feb: 60 °FHappy Valley, Mar: 65 °FHappy Valley, Apr: 71 °FHappy Valley, May: 81 °FHappy Valley, Jun: 91 °FHappy Valley, Jul: 99 °FHappy Valley, Aug: 98 °FHappy Valley, Sep: 92 °FHappy Valley, Oct: 79 °FHappy Valley, Nov: 63 °FHappy Valley, Dec: 55 °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 °FHappy Valley, Jan: 38 °FHappy Valley, Feb: 40 °FHappy Valley, Mar: 43 °FHappy Valley, Apr: 47 °FHappy Valley, May: 54 °FHappy Valley, Jun: 62 °FHappy Valley, Jul: 66 °FHappy Valley, Aug: 64 °FHappy Valley, Sep: 59 °FHappy Valley, Oct: 51 °FHappy Valley, Nov: 42 °FHappy Valley, Dec: 37 °F
View monthly temperatures as a table
Monthly temperatures (°F)
CityJanFebMarAprMayJunJulAugSepOctNovDec
Chicago high323646576878838175624937
Happy Valley high566065718191999892796355
Chicago low202331415161676760473625
Happy Valley low384043475462666459514237

Monthly precipitation

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

ChicagoHappy Valley
0510JanMarMayJulSepNovChicago, 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 inHappy Valley, Jan: 9.3 inHappy Valley, Feb: 8.6 inHappy Valley, Mar: 7.5 inHappy Valley, Apr: 3.7 inHappy Valley, May: 2.3 inHappy Valley, Jun: 1.0 inHappy Valley, Jul: 0.1 inHappy Valley, Aug: 0.2 inHappy Valley, Sep: 0.5 inHappy Valley, Oct: 2.7 inHappy Valley, Nov: 5.6 inHappy Valley, Dec: 10.0 in
View monthly precipitation as a table
Monthly precipitation (inches)
CityJanFebMarAprMayJunJulAugSepOctNovDec
Chicago2.42.12.84.54.44.03.63.83.03.32.82.4
Happy Valley9.38.67.53.72.31.00.10.20.52.75.610.0

Monthly sunny days

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

ChicagoHappy Valley
0102030JanMarMayJulSepNovChicago, 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 daysHappy Valley, Jan: 13 daysHappy Valley, Feb: 13 daysHappy Valley, Mar: 15 daysHappy Valley, Apr: 18 daysHappy Valley, May: 22 daysHappy Valley, Jun: 26 daysHappy Valley, Jul: 30 daysHappy Valley, Aug: 30 daysHappy Valley, Sep: 28 daysHappy Valley, Oct: 25 daysHappy Valley, Nov: 16 daysHappy Valley, Dec: 14 days
View monthly sunny days as a table
Monthly sunny days (days)
CityJanFebMarAprMayJunJulAugSepOctNovDec
Chicago101114131516202020161411
Happy Valley131315182226303028251614

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).