Skip to content
VSWeather

Mount Prospect, IL vs Phoenix, AZ weather comparison

Mount Prospect

IL

Mount Prospect picks up around 37 more inches of snow each winter.

Phoenix has around 117 fewer freezing nights a year. Phoenix endures about 147 more days above 90 °F each year.

The year at a glance

Averages from 30 years of climate history, 1991-2020

Annual weather statistics for Mount Prospect, IL and Phoenix, AZ
Mount ProspectMetricPhoenix
182 daysSunny daysclear or partly cloudy skies307 days
37 inPrecipitationper year7 in
127 daysWet daysrain or snow per year33 days
37 inSnowfallper year0 in
16 daysHot daysabove 90 °F163 days
119 daysFreezing nightsat or below 32 °F2 days
71%Humidityaverage relative35%
51 °FAverage temperatureyear round74 °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.

Mount ProspectPhoenix

Daily highs

5075100JanMarMayJulSepNovMount Prospect, Jan: 32 °FMount Prospect, Feb: 36 °FMount Prospect, Mar: 47 °FMount Prospect, Apr: 58 °FMount Prospect, May: 70 °FMount Prospect, Jun: 80 °FMount Prospect, Jul: 84 °FMount Prospect, Aug: 82 °FMount Prospect, Sep: 75 °FMount Prospect, Oct: 63 °FMount Prospect, Nov: 49 °FMount Prospect, Dec: 37 °FPhoenix, Jan: 66 °FPhoenix, Feb: 69 °FPhoenix, Mar: 76 °FPhoenix, Apr: 83 °FPhoenix, May: 92 °FPhoenix, Jun: 102 °FPhoenix, Jul: 105 °FPhoenix, Aug: 103 °FPhoenix, Sep: 98 °FPhoenix, Oct: 87 °FPhoenix, Nov: 75 °FPhoenix, Dec: 65 °F

Daily lows

20406080JanMarMayJulSepNovMount Prospect, Jan: 18 °FMount Prospect, Feb: 21 °FMount Prospect, Mar: 30 °FMount Prospect, Apr: 39 °FMount Prospect, May: 50 °FMount Prospect, Jun: 60 °FMount Prospect, Jul: 66 °FMount Prospect, Aug: 64 °FMount Prospect, Sep: 56 °FMount Prospect, Oct: 44 °FMount Prospect, Nov: 33 °FMount Prospect, Dec: 24 °FPhoenix, Jan: 44 °FPhoenix, Feb: 47 °FPhoenix, Mar: 52 °FPhoenix, Apr: 58 °FPhoenix, May: 67 °FPhoenix, Jun: 75 °FPhoenix, Jul: 82 °FPhoenix, Aug: 82 °FPhoenix, Sep: 76 °FPhoenix, Oct: 64 °FPhoenix, Nov: 51 °FPhoenix, Dec: 43 °F
View monthly temperatures as a table
Monthly temperatures (°F)
CityJanFebMarAprMayJunJulAugSepOctNovDec
Mount Prospect high323647587080848275634937
Phoenix high666976839210210510398877565
Mount Prospect low182130395060666456443324
Phoenix low444752586775828276645143

Monthly precipitation

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

Mount ProspectPhoenix
0.02.04.0JanMarMayJulSepNovMount Prospect, Jan: 2.1 inMount Prospect, Feb: 1.9 inMount Prospect, Mar: 2.5 inMount Prospect, Apr: 4.3 inMount Prospect, May: 4.4 inMount Prospect, Jun: 3.9 inMount Prospect, Jul: 3.6 inMount Prospect, Aug: 3.7 inMount Prospect, Sep: 2.9 inMount Prospect, Oct: 3.1 inMount Prospect, Nov: 2.4 inMount Prospect, Dec: 2.1 inPhoenix, Jan: 0.9 inPhoenix, Feb: 1.1 inPhoenix, Mar: 0.8 inPhoenix, Apr: 0.2 inPhoenix, May: 0.1 inPhoenix, Jun: 0.1 inPhoenix, Jul: 0.6 inPhoenix, Aug: 0.9 inPhoenix, Sep: 0.7 inPhoenix, Oct: 0.6 inPhoenix, Nov: 0.5 inPhoenix, Dec: 0.8 in
View monthly precipitation as a table
Monthly precipitation (inches)
CityJanFebMarAprMayJunJulAugSepOctNovDec
Mount Prospect2.11.92.54.34.43.93.63.72.93.12.42.1
Phoenix0.91.10.80.20.10.10.60.90.70.60.50.8

Monthly sunny days

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

Mount ProspectPhoenix
0102030JanMarMayJulSepNovMount Prospect, Jan: 11 daysMount Prospect, Feb: 11 daysMount Prospect, Mar: 14 daysMount Prospect, Apr: 14 daysMount Prospect, May: 15 daysMount Prospect, Jun: 16 daysMount Prospect, Jul: 20 daysMount Prospect, Aug: 20 daysMount Prospect, Sep: 20 daysMount Prospect, Oct: 16 daysMount Prospect, Nov: 14 daysMount Prospect, Dec: 12 daysPhoenix, Jan: 23 daysPhoenix, Feb: 21 daysPhoenix, Mar: 25 daysPhoenix, Apr: 27 daysPhoenix, May: 29 daysPhoenix, Jun: 29 daysPhoenix, Jul: 24 daysPhoenix, Aug: 26 daysPhoenix, Sep: 28 daysPhoenix, Oct: 28 daysPhoenix, Nov: 25 daysPhoenix, Dec: 24 days
View monthly sunny days as a table
Monthly sunny days (days)
CityJanFebMarAprMayJunJulAugSepOctNovDec
Mount Prospect111114141516202020161412
Phoenix232125272929242628282524

Keep comparing

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

Mount Prospect vs another city

See the full Mount Prospect, IL climate profile

More Illinois cities

Phoenix vs another city

See the full Phoenix, AZ climate profile

More Arizona 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).