Skip to content
VSWeather

Fontana, CA vs Sioux Falls, SD weather comparison

Fontana

CA

Sioux Falls picks up around 46 more inches of snow each winter.

Fontana has around 155 fewer freezing nights a year. Fontana endures about 80 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 Fontana, CA and Sioux Falls, SD
FontanaMetricSioux Falls
284 daysSunny daysclear or partly cloudy skies211 days
11 inPrecipitationper year32 in
36 daysWet daysrain or snow per year106 days
0 inSnowfallper year47 in
97 daysHot daysabove 90 °F16 days
2 daysFreezing nightsat or below 32 °F157 days
59%Humidityaverage relative70%
67 °FAverage temperatureyear round47 °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.

FontanaSioux Falls

Daily highs

255075100JanMarMayJulSepNovFontana, Jan: 68 °FFontana, Feb: 69 °FFontana, Mar: 72 °FFontana, Apr: 76 °FFontana, May: 80 °FFontana, Jun: 87 °FFontana, Jul: 94 °FFontana, Aug: 95 °FFontana, Sep: 92 °FFontana, Oct: 82 °FFontana, Nov: 75 °FFontana, Dec: 67 °FSioux Falls, Jan: 26 °FSioux Falls, Feb: 31 °FSioux Falls, Mar: 44 °FSioux Falls, Apr: 58 °FSioux Falls, May: 70 °FSioux Falls, Jun: 81 °FSioux Falls, Jul: 85 °FSioux Falls, Aug: 82 °FSioux Falls, Sep: 75 °FSioux Falls, Oct: 61 °FSioux Falls, Nov: 44 °FSioux Falls, Dec: 31 °F

Daily lows

204060JanMarMayJulSepNovFontana, Jan: 44 °FFontana, Feb: 46 °FFontana, Mar: 48 °FFontana, Apr: 51 °FFontana, May: 55 °FFontana, Jun: 60 °FFontana, Jul: 64 °FFontana, Aug: 65 °FFontana, Sep: 63 °FFontana, Oct: 56 °FFontana, Nov: 48 °FFontana, Dec: 43 °FSioux Falls, Jan: 8 °FSioux Falls, Feb: 12 °FSioux Falls, Mar: 24 °FSioux Falls, Apr: 35 °FSioux Falls, May: 48 °FSioux Falls, Jun: 59 °FSioux Falls, Jul: 64 °FSioux Falls, Aug: 61 °FSioux Falls, Sep: 52 °FSioux Falls, Oct: 38 °FSioux Falls, Nov: 24 °FSioux Falls, Dec: 13 °F
View monthly temperatures as a table
Monthly temperatures (°F)
CityJanFebMarAprMayJunJulAugSepOctNovDec
Fontana high686972768087949592827567
Sioux Falls high263144587081858275614431
Fontana low444648515560646563564843
Sioux Falls low81224354859646152382413

Monthly precipitation

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

FontanaSioux Falls
0.02.04.0JanMarMayJulSepNovFontana, Jan: 2.2 inFontana, Feb: 2.6 inFontana, Mar: 1.6 inFontana, Apr: 0.7 inFontana, May: 0.4 inFontana, Jun: 0.1 inFontana, Jul: 0.1 inFontana, Aug: 0.0 inFontana, Sep: 0.1 inFontana, Oct: 0.5 inFontana, Nov: 0.7 inFontana, Dec: 1.6 inSioux Falls, Jan: 0.8 inSioux Falls, Feb: 0.9 inSioux Falls, Mar: 1.8 inSioux Falls, Apr: 3.6 inSioux Falls, May: 4.5 inSioux Falls, Jun: 5.1 inSioux Falls, Jul: 3.3 inSioux Falls, Aug: 3.3 inSioux Falls, Sep: 3.2 inSioux Falls, Oct: 2.4 inSioux Falls, Nov: 1.6 inSioux Falls, Dec: 1.0 in
View monthly precipitation as a table
Monthly precipitation (inches)
CityJanFebMarAprMayJunJulAugSepOctNovDec
Fontana2.22.61.60.70.40.10.10.00.10.50.71.6
Sioux Falls0.80.91.83.64.55.13.33.33.22.41.61.0

Monthly sunny days

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

FontanaSioux Falls
0102030JanMarMayJulSepNovFontana, Jan: 19 daysFontana, Feb: 16 daysFontana, Mar: 18 daysFontana, Apr: 21 daysFontana, May: 24 daysFontana, Jun: 27 daysFontana, Jul: 29 daysFontana, Aug: 30 daysFontana, Sep: 28 daysFontana, Oct: 26 daysFontana, Nov: 24 daysFontana, Dec: 21 daysSioux Falls, Jan: 14 daysSioux Falls, Feb: 14 daysSioux Falls, Mar: 16 daysSioux Falls, Apr: 15 daysSioux Falls, May: 17 daysSioux Falls, Jun: 18 daysSioux Falls, Jul: 23 daysSioux Falls, Aug: 22 daysSioux Falls, Sep: 21 daysSioux Falls, Oct: 19 daysSioux Falls, Nov: 16 daysSioux Falls, Dec: 15 days
View monthly sunny days as a table
Monthly sunny days (days)
CityJanFebMarAprMayJunJulAugSepOctNovDec
Fontana191618212427293028262421
Sioux Falls141416151718232221191615

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).