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Phoenix, AZ vs Riverton, WY weather comparison

Phoenix

AZ

Riverton picks up around 44 more inches of snow each winter.

Phoenix has around 186 fewer freezing nights a year. Phoenix endures about 126 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 Riverton, WY
PhoenixMetricRiverton
307 daysSunny daysclear or partly cloudy skies262 days
7 inPrecipitationper year13 in
33 daysWet daysrain or snow per year79 days
0 inSnowfallper year44 in
163 daysHot daysabove 90 °F37 days
2 daysFreezing nightsat or below 32 °F188 days
35%Humidityaverage relative52%
74 °FAverage temperatureyear round44 °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.

PhoenixRiverton

Daily highs

255075100JanMarMayJulSepNovPhoenix, 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 °FRiverton, Jan: 29 °FRiverton, Feb: 35 °FRiverton, Mar: 49 °FRiverton, Apr: 58 °FRiverton, May: 67 °FRiverton, Jun: 79 °FRiverton, Jul: 88 °FRiverton, Aug: 86 °FRiverton, Sep: 74 °FRiverton, Oct: 59 °FRiverton, Nov: 43 °FRiverton, Dec: 30 °F

Daily lows

0255075JanMarMayJulSepNovPhoenix, 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 °FRiverton, Jan: 4 °FRiverton, Feb: 10 °FRiverton, Mar: 22 °FRiverton, Apr: 31 °FRiverton, May: 40 °FRiverton, Jun: 49 °FRiverton, Jul: 55 °FRiverton, Aug: 52 °FRiverton, Sep: 42 °FRiverton, Oct: 30 °FRiverton, Nov: 17 °FRiverton, Dec: 6 °F
View monthly temperatures as a table
Monthly temperatures (°F)
CityJanFebMarAprMayJunJulAugSepOctNovDec
Phoenix high666976839210210510398877565
Riverton high293549586779888674594330
Phoenix low444752586775828276645143
Riverton low4102231404955524230176

Monthly precipitation

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

PhoenixRiverton
0.01.02.0JanMarMayJulSepNovPhoenix, 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 inRiverton, Jan: 0.5 inRiverton, Feb: 0.6 inRiverton, Mar: 1.1 inRiverton, Apr: 1.9 inRiverton, May: 2.7 inRiverton, Jun: 1.5 inRiverton, Jul: 0.8 inRiverton, Aug: 0.6 inRiverton, Sep: 1.0 inRiverton, Oct: 1.3 inRiverton, Nov: 0.7 inRiverton, Dec: 0.5 in
View monthly precipitation as a table
Monthly precipitation (inches)
CityJanFebMarAprMayJunJulAugSepOctNovDec
Phoenix0.91.10.80.20.10.10.60.90.70.60.50.8
Riverton0.50.61.11.92.71.50.80.61.01.30.70.5

Monthly sunny days

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

PhoenixRiverton
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 daysRiverton, Jan: 20 daysRiverton, Feb: 19 daysRiverton, Mar: 20 daysRiverton, Apr: 17 daysRiverton, May: 19 daysRiverton, Jun: 24 daysRiverton, Jul: 27 daysRiverton, Aug: 27 daysRiverton, Sep: 25 daysRiverton, Oct: 23 daysRiverton, Nov: 21 daysRiverton, Dec: 21 days
View monthly sunny days as a table
Monthly sunny days (days)
CityJanFebMarAprMayJunJulAugSepOctNovDec
Phoenix232125272929242628282524
Riverton201920171924272725232121

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

Riverton vs another city

See the full Riverton, WY climate profile

More Wyoming 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).