Rialto, California, United States Climate

Weather: 13.72°C/56.7°F, Wind SW at 1.54 km/h, 70% Humidity, 0% Chance of rain

United States
(Photo by Paul Hanaoka on Unsplash)
Contents

Rialto Climate Summary

Located at an elevation of None meters (0 feet) above sea level, Rialto has a Mediterranean, hot summer climate (Classification: Csa). The district’s yearly temperature is 21.67ºC (71.01ºF) and it is 9.03% higher than United States’s averages. Rialto typically receives about 7.09 millimeters (0.28 inches) of precipitation and has 8.63 rainy days (2.36% of the time) annually.

CountryUnited States
CityCalifornia
Longitude-117.3703235
Latitude34.1064001
Attitude/ElevationNonem (0ft)
Local timeSunday 07:57
Annual high temperature25.76ºC (78.37ºF)
Annual low temperature14.18ºC (57.52ºF)
Average annual precip.7.09mm (0.28in)
Warmest monthAugust (35.43ºC / 95.77ºF)
Coldest MonthFebruary (7.54ºC / 45.57ºF)
Wettest MonthDecember (16.76mm / 0.66in)
Driest MonthJune (0.13mm / 0.01in)
Number of days with rainfall (≥ 1.0 mm)8.63 days (2.36%)
Days with no rain356.37 days (97.64%)
Humidity40.38%

Climate Rialto: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)28.0(82.4)30.0(86.0)28.0(82.4)34.0(93.2)35.0(95.0)39.0(102.2)44.0(111.2)41.0(105.8)45.0(113.0)40.0(104.0)33.0(91.4)27.0(80.6)45.0(113.0)
Average high °C (°F)19.46(67.03)17.95(64.31)18.41(65.14)23.56(74.41)25.24(77.43)30.76(87.37)34.95(94.91)35.43(95.77)33.58(92.44)28.76(83.77)23.22(73.8)17.8(64.04)25.76(78.37)
Daily mean °C (°F)15.29(59.52)13.82(56.88)14.89(58.8)19.88(67.78)21.82(71.28)26.84(80.31)30.94(87.69)31.2(88.16)29.27(84.69)23.87(74.97)18.53(65.35)13.69(56.64)21.67(71.01)
Average low °C (°F)9.13(48.43)7.54(45.57)8.87(47.97)12.46(54.43)13.87(56.97)17.66(63.79)21.56(70.81)22.29(72.12)21.12(70.02)16.25(61.25)11.67(53.01)7.75(45.95)14.18(57.52)
Record low °C (°F)2.0(35.6)-1.0(30.2)2.0(35.6)3.0(37.4)7.0(44.6)11.0(51.8)16.0(60.8)14.0(57.2)12.0(53.6)7.0(44.6)3.0(37.4)1.0(33.8)-1.0(30.2)
Average precipitation mm (inches)4.33(0.17)12.35(0.49)15.58(0.61)14.93(0.59)1.45(0.06)0.13(0.01)4.63(0.18)1.1(0.04)2.24(0.09)1.91(0.08)9.62(0.38)16.76(0.66)7.09(0.28)
Average precipitation days (≥ 1.0 mm)0.821.091.820.550.360.01.00.360.450.270.731.180.72
Average relative humidity (%)40.3840.651.5446.5949.0141.9236.035.0834.3833.4635.1340.4840.38
Mean monthly sunshine hours9.5710.5910.4911.0313.8114.2714.2611.5611.5211.18.328.1511.22

Climate Graph

The chart below shows the mean monthly temperature and precipitation of Rialto in recent years.

Rialto

Rialto Temperature by Month

August
31.2°C | 88.16°F
July
30.94°C | 87.69°F
September
29.27°C | 84.69°F
June
26.84°C | 80.31°F
October
23.87°C | 74.97°F
May
21.82°C | 71.28°F
April
19.88°C | 67.78°F
November
18.53°C | 65.35°F
January
15.29°C | 59.52°F
March
14.89°C | 58.8°F
February
13.82°C | 56.88°F
December
13.69°C | 56.64°F

Historical Data

Summary
  • 2020
  • 2019
  • 2018
  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December
TemperatureMaxAverageMin
Max Temperature33.0°C (91.4°F)23.4°C (74.12°F)13.0°C (55.4°F)
Avg Temperature28.0°C (82.4°F)19.4°C (66.92°F)12.0°C (53.6°F)
Min Temperature20.0°C (68.0°F)13.67°C (56.61°F)9.0°C (48.2°F)
Dew PointMaxAverageMin
Dew Point10.0°C (50.0°F)-1.63°C (29.07°F)-16.0°C (3.2°F)
PrecipitationMaxAverageMinSum
Precipitation5.9mm | 0.23in0.2mm | 0.01in0.0mm | 0in6.1mm | 0.24in
Snowdepth0.0mm | 0in0.0mm | 0in0.0mm | 0in0.0mm | 0in
WindMaxAverageMin
Wind16.0kmh | 9.94mph7.6kmh | 4.72mph4.0kmh | 2.49mph
Gust Wind26.0kmh | 16.16mph10.83kmh | 6.73mph5.0kmh | 3.11mph
Sea Level PressureMaxAverageMin
Sea Level Pressure5.9mb0.2mb0.0mb
Rialto

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
November° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2018-11-0125 | 77.0-0 | 32.0229 | 5.5930.06 | 10180.0 | 0.0
2018-11-0227 | 80.63 | 37.4256 | 3.7330.06 | 10180.0 | 0.0
2018-11-0328 | 82.40 | 32.0194 | 2.4930.0 | 10160.0 | 0.0
2018-11-0425 | 77.0-0 | 32.0227 | 4.3529.94 | 10140.0 | 0.0
2018-11-0523 | 73.45 | 41.0376 | 3.7329.85 | 10110.0 | 0.0
2018-11-0623 | 73.410 | 50.0535 | 3.1129.91 | 10130.0 | 0.0
2018-11-0721 | 69.810 | 50.0577 | 4.3529.94 | 10140.0 | 0.0
2018-11-0819 | 66.2-6 | 21.22715 | 9.3230.03 | 10170.0 | 0.0
2018-11-0918 | 64.4-15 | 5.01116 | 9.9430.09 | 10190.0 | 0.0
2018-11-1021 | 69.8-14 | 6.8106 | 3.7329.97 | 10150.0 | 0.0
2018-11-1118 | 64.4-14 | 6.81111 | 6.8430.09 | 10190.0 | 0.0
2018-11-1217 | 62.6-16 | 3.21013 | 8.0830.3 | 10260.0 | 0.0
2018-11-1317 | 62.6-16 | 3.21012 | 7.4630.39 | 10290.0 | 0.0
2018-11-1420 | 68.0-13 | 8.61110 | 6.2130.27 | 10250.0 | 0.0
2018-11-1521 | 69.8-10 | 14.0145 | 3.1130.09 | 10190.0 | 0.0
2018-11-1620 | 68.0-5 | 23.0224 | 2.4930.0 | 10160.0 | 0.0
2018-11-1718 | 64.40 | 32.0365 | 3.1130.0 | 10160.0 | 0.0
2018-11-1819 | 66.2-2 | 28.4304 | 2.4930.06 | 10180.0 | 0.0
2018-11-1919 | 66.2-6 | 21.2207 | 4.3530.06 | 10180.0 | 0.0
2018-11-2020 | 68.0-3 | 26.6285 | 3.1130.03 | 10170.0 | 0.0
2018-11-2117 | 62.64 | 39.2484 | 2.4930.09 | 10190.0 | 0.0
2018-11-2216 | 60.88 | 46.4628 | 4.9730.12 | 10200.1 | 0.0
2018-11-2316 | 60.89 | 48.2678 | 4.9730.09 | 10190.0 | 0.0
2018-11-2417 | 62.610 | 50.0676 | 3.7329.91 | 10130.0 | 0.0
2018-11-2518 | 64.45 | 41.0476 | 3.7330.03 | 10170.0 | 0.0
2018-11-2619 | 66.2-5 | 23.0246 | 3.7330.15 | 10210.0 | 0.0
2018-11-2719 | 66.2-5 | 23.0235 | 3.1130.03 | 10170.0 | 0.0
2018-11-2817 | 62.63 | 37.4466 | 3.7329.88 | 10120.0 | 0.0
2018-11-2912 | 53.68 | 46.47714 | 8.729.77 | 10085.9 | 0.23
2018-11-3012 | 53.66 | 42.8728 | 4.9729.88 | 10120.1 | 0.0

Rialto 3 Year Historical Weather Data

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