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Phoenix, AZ vs West Chester, PA weather comparison

Phoenix

AZ

West Chester picks up around 30 more inches of snow each winter.

Phoenix has around 127 fewer freezing nights a year. Phoenix endures about 137 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 Phoenix, AZ and West Chester, PA
PhoenixMetricWest Chester
307 daysSunny daysclear or partly cloudy skies199 days
7 inPrecipitationper year46 in
33 daysWet daysrain or snow per year124 days
0 inSnowfallper year30 in
163 daysHot daysabove 90 °F26 days
2 daysFreezing nightsat or below 32 °F129 days
35%Humidityaverage relative70%
74 °FAverage temperatureyear round53 °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.

PhoenixWest Chester

Daily highs

406080100JanMarMayJulSepNovPhoenix, 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 °FWest Chester, Jan: 39 °FWest Chester, Feb: 42 °FWest Chester, Mar: 51 °FWest Chester, Apr: 63 °FWest Chester, May: 73 °FWest Chester, Jun: 82 °FWest Chester, Jul: 86 °FWest Chester, Aug: 84 °FWest Chester, Sep: 78 °FWest Chester, Oct: 66 °FWest Chester, Nov: 55 °FWest Chester, Dec: 44 °F

Daily lows

20406080JanMarMayJulSepNovPhoenix, 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 °FWest Chester, Jan: 20 °FWest Chester, Feb: 21 °FWest Chester, Mar: 29 °FWest Chester, Apr: 38 °FWest Chester, May: 49 °FWest Chester, Jun: 59 °FWest Chester, Jul: 64 °FWest Chester, Aug: 62 °FWest Chester, Sep: 54 °FWest Chester, Oct: 42 °FWest Chester, Nov: 32 °FWest Chester, Dec: 25 °F
View monthly temperatures as a table
Monthly temperatures (°F)
CityJanFebMarAprMayJunJulAugSepOctNovDec
Phoenix high666976839210210510398877565
West Chester high394251637382868478665544
Phoenix low444752586775828276645143
West Chester low202129384959646254423225

Monthly precipitation

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

PhoenixWest Chester
0.02.04.0JanMarMayJulSepNovPhoenix, 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 inWest Chester, Jan: 3.3 inWest Chester, Feb: 3.1 inWest Chester, Mar: 4.1 inWest Chester, Apr: 3.8 inWest Chester, May: 3.7 inWest Chester, Jun: 4.2 inWest Chester, Jul: 4.2 inWest Chester, Aug: 3.9 inWest Chester, Sep: 4.5 inWest Chester, Oct: 3.7 inWest Chester, Nov: 3.0 inWest Chester, Dec: 4.0 in
View monthly precipitation as a table
Monthly precipitation (inches)
CityJanFebMarAprMayJunJulAugSepOctNovDec
Phoenix0.91.10.80.20.10.10.60.90.70.60.50.8
West Chester3.33.14.13.83.74.24.23.94.53.73.04.0

Monthly sunny days

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

PhoenixWest Chester
0102030JanMarMayJulSepNovPhoenix, 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 daysWest Chester, Jan: 16 daysWest Chester, Feb: 15 daysWest Chester, Mar: 16 daysWest Chester, Apr: 15 daysWest Chester, May: 16 daysWest Chester, Jun: 16 daysWest Chester, Jul: 18 daysWest Chester, Aug: 18 daysWest Chester, Sep: 18 daysWest Chester, Oct: 19 daysWest Chester, Nov: 17 daysWest Chester, Dec: 16 days
View monthly sunny days as a table
Monthly sunny days (days)
CityJanFebMarAprMayJunJulAugSepOctNovDec
Phoenix232125272929242628282524
West Chester161516151616181818191716

Keep comparing

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

Phoenix vs another city

See the full Phoenix, AZ climate profile

More Arizona cities

West Chester vs another city

See the full West Chester, PA climate profile

More Pennsylvania 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).