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Phoenix, AZ vs Sioux City, IA weather comparison

Phoenix

AZ

Sioux City picks up around 35 more inches of snow each winter.

Phoenix has around 154 fewer freezing nights a year. Phoenix endures about 138 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 Sioux City, IA
PhoenixMetricSioux City
307 daysSunny daysclear or partly cloudy skies216 days
7 inPrecipitationper year33 in
33 daysWet daysrain or snow per year105 days
0 inSnowfallper year35 in
163 daysHot daysabove 90 °F25 days
2 daysFreezing nightsat or below 32 °F155 days
35%Humidityaverage relative69%
74 °FAverage temperatureyear round48 °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.

PhoenixSioux City

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 °FSioux City, Jan: 30 °FSioux City, Feb: 34 °FSioux City, Mar: 47 °FSioux City, Apr: 61 °FSioux City, May: 72 °FSioux City, Jun: 82 °FSioux City, Jul: 85 °FSioux City, Aug: 83 °FSioux City, Sep: 77 °FSioux City, Oct: 63 °FSioux City, Nov: 47 °FSioux City, Dec: 34 °F

Daily lows

255075JanMarMayJulSepNovPhoenix, 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 °FSioux City, Jan: 10 °FSioux City, Feb: 14 °FSioux City, Mar: 25 °FSioux City, Apr: 36 °FSioux City, May: 48 °FSioux City, Jun: 59 °FSioux City, Jul: 63 °FSioux City, Aug: 61 °FSioux City, Sep: 51 °FSioux City, Oct: 38 °FSioux City, Nov: 25 °FSioux City, Dec: 14 °F
View monthly temperatures as a table
Monthly temperatures (°F)
CityJanFebMarAprMayJunJulAugSepOctNovDec
Phoenix high666976839210210510398877565
Sioux City high303447617282858377634734
Phoenix low444752586775828276645143
Sioux City low101425364859636151382514

Monthly precipitation

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

PhoenixSioux City
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 inSioux City, Jan: 0.9 inSioux City, Feb: 1.1 inSioux City, Mar: 2.2 inSioux City, Apr: 4.0 inSioux City, May: 5.0 inSioux City, Jun: 4.8 inSioux City, Jul: 3.0 inSioux City, Aug: 3.9 inSioux City, Sep: 3.0 inSioux City, Oct: 2.4 inSioux City, Nov: 1.6 inSioux City, Dec: 1.2 in
View monthly precipitation as a table
Monthly precipitation (inches)
CityJanFebMarAprMayJunJulAugSepOctNovDec
Phoenix0.91.10.80.20.10.10.60.90.70.60.50.8
Sioux City0.91.12.24.05.04.83.03.93.02.41.61.2

Monthly sunny days

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

PhoenixSioux City
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 daysSioux City, Jan: 16 daysSioux City, Feb: 14 daysSioux City, Mar: 16 daysSioux City, Apr: 15 daysSioux City, May: 16 daysSioux City, Jun: 19 daysSioux City, Jul: 23 daysSioux City, Aug: 22 daysSioux City, Sep: 22 daysSioux City, Oct: 20 daysSioux City, Nov: 17 daysSioux City, Dec: 16 days
View monthly sunny days as a table
Monthly sunny days (days)
CityJanFebMarAprMayJunJulAugSepOctNovDec
Phoenix232125272929242628282524
Sioux City161416151619232222201716

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).