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Happy Valley, CA vs Phoenix, AZ weather comparison

Happy Valley

CA

Phoenix sees rain or snow on roughly 50 fewer days each year.

Phoenix endures about 61 more days above 90 °F each year. Phoenix enjoys about 58 more sunny days a year than Happy Valley.

The year at a glance

Averages from 30 years of climate history, 1991-2020

Annual weather statistics for Happy Valley, CA and Phoenix, AZ
Happy ValleyMetricPhoenix
249 daysSunny daysclear or partly cloudy skies307 days
51 inPrecipitationper year7 in
83 daysWet daysrain or snow per year33 days
7 inSnowfallper year0 in
102 daysHot daysabove 90 °F163 days
25 daysFreezing nightsat or below 32 °F2 days
55%Humidityaverage relative35%
63 °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.

Happy ValleyPhoenix

Daily highs

6080100JanMarMayJulSepNovHappy 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 °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

406080JanMarMayJulSepNovHappy 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 °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
Happy Valley high566065718191999892796355
Phoenix high666976839210210510398877565
Happy Valley low384043475462666459514237
Phoenix low444752586775828276645143

Monthly precipitation

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

Happy ValleyPhoenix
0510JanMarMayJulSepNovHappy 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 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
Happy Valley9.38.67.53.72.31.00.10.20.52.75.610.0
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.

Happy ValleyPhoenix
0102030JanMarMayJulSepNovHappy 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 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
Happy Valley131315182226303028251614
Phoenix232125272929242628282524

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).