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Grand Terrace, CA vs Rialto, CA weather comparison

Grand Terrace

CA

Grand Terrace and Rialto have remarkably similar climates.

The year at a glance

Averages from 30 years of climate history, 1991-2020

Annual weather statistics for Grand Terrace, CA and Rialto, CA
Grand TerraceMetricRialto
295 daysSunny daysclear or partly cloudy skies284 days
16 inPrecipitationper year10 in
44 daysWet daysrain or snow per year34 days
10 inSnowfallper year0 in
105 daysHot daysabove 90 °F103 days
3 daysFreezing nightsat or below 32 °F1 days
58%Humidityaverage relative57%
66 °FAverage temperatureyear round67 °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.

Grand TerraceRialto

Daily highs

708090JanMarMayJulSepNovGrand Terrace, Jan: 69 °FGrand Terrace, Feb: 69 °FGrand Terrace, Mar: 72 °FGrand Terrace, Apr: 76 °FGrand Terrace, May: 81 °FGrand Terrace, Jun: 88 °FGrand Terrace, Jul: 95 °FGrand Terrace, Aug: 97 °FGrand Terrace, Sep: 93 °FGrand Terrace, Oct: 83 °FGrand Terrace, Nov: 76 °FGrand Terrace, Dec: 68 °FRialto, Jan: 69 °FRialto, Feb: 69 °FRialto, Mar: 72 °FRialto, Apr: 76 °FRialto, May: 81 °FRialto, Jun: 88 °FRialto, Jul: 94 °FRialto, Aug: 96 °FRialto, Sep: 93 °FRialto, Oct: 83 °FRialto, Nov: 76 °FRialto, Dec: 68 °F

Daily lows

5060JanMarMayJulSepNovGrand Terrace, Jan: 43 °FGrand Terrace, Feb: 44 °FGrand Terrace, Mar: 46 °FGrand Terrace, Apr: 49 °FGrand Terrace, May: 54 °FGrand Terrace, Jun: 58 °FGrand Terrace, Jul: 63 °FGrand Terrace, Aug: 64 °FGrand Terrace, Sep: 61 °FGrand Terrace, Oct: 54 °FGrand Terrace, Nov: 47 °FGrand Terrace, Dec: 42 °FRialto, Jan: 44 °FRialto, Feb: 45 °FRialto, Mar: 47 °FRialto, Apr: 50 °FRialto, May: 55 °FRialto, Jun: 59 °FRialto, Jul: 64 °FRialto, Aug: 64 °FRialto, Sep: 62 °FRialto, Oct: 55 °FRialto, Nov: 48 °FRialto, Dec: 43 °F
View monthly temperatures as a table
Monthly temperatures (°F)
CityJanFebMarAprMayJunJulAugSepOctNovDec
Grand Terrace high696972768188959793837668
Rialto high696972768188949693837668
Grand Terrace low434446495458636461544742
Rialto low444547505559646462554843

Monthly precipitation

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

Grand TerraceRialto
0.01.02.03.0JanMarMayJulSepNovGrand Terrace, Jan: 2.9 inGrand Terrace, Feb: 3.6 inGrand Terrace, Mar: 2.2 inGrand Terrace, Apr: 1.1 inGrand Terrace, May: 0.5 inGrand Terrace, Jun: 0.1 inGrand Terrace, Jul: 0.5 inGrand Terrace, Aug: 0.4 inGrand Terrace, Sep: 0.3 inGrand Terrace, Oct: 0.7 inGrand Terrace, Nov: 1.0 inGrand Terrace, Dec: 2.2 inRialto, Jan: 2.2 inRialto, Feb: 2.6 inRialto, Mar: 1.6 inRialto, Apr: 0.7 inRialto, May: 0.4 inRialto, Jun: 0.1 inRialto, Jul: 0.1 inRialto, Aug: 0.0 inRialto, Sep: 0.1 inRialto, Oct: 0.5 inRialto, Nov: 0.7 inRialto, Dec: 1.6 in
View monthly precipitation as a table
Monthly precipitation (inches)
CityJanFebMarAprMayJunJulAugSepOctNovDec
Grand Terrace2.93.62.21.10.50.10.50.40.30.71.02.2
Rialto2.22.61.60.70.40.10.10.00.10.50.71.6

Monthly sunny days

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

Grand TerraceRialto
0102030JanMarMayJulSepNovGrand Terrace, Jan: 20 daysGrand Terrace, Feb: 17 daysGrand Terrace, Mar: 20 daysGrand Terrace, Apr: 23 daysGrand Terrace, May: 26 daysGrand Terrace, Jun: 28 daysGrand Terrace, Jul: 29 daysGrand Terrace, Aug: 30 daysGrand Terrace, Sep: 29 daysGrand Terrace, Oct: 27 daysGrand Terrace, Nov: 25 daysGrand Terrace, Dec: 21 daysRialto, Jan: 19 daysRialto, Feb: 16 daysRialto, Mar: 18 daysRialto, Apr: 21 daysRialto, May: 24 daysRialto, Jun: 27 daysRialto, Jul: 29 daysRialto, Aug: 30 daysRialto, Sep: 28 daysRialto, Oct: 26 daysRialto, Nov: 24 daysRialto, Dec: 21 days
View monthly sunny days as a table
Monthly sunny days (days)
CityJanFebMarAprMayJunJulAugSepOctNovDec
Grand Terrace201720232628293029272521
Rialto191618212427293028262421

Keep comparing

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

Grand Terrace vs another city

See the full Grand Terrace, CA climate profile

More California cities

Rialto vs another city

See the full Rialto, CA climate profile

More California 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).