Rancho Cucamonga, California, United States Climate

Weather: 18.74°C/65.73°F, Wind SW at 2.06 km/h, 67% Humidity, 0% Chance of rain

United States
(Photo by Paul Hanaoka on Unsplash)
Contents

Rancho Cucamonga Climate Summary

Located at an elevation of None meters (0 feet) above sea level, Rancho Cucamonga has a Mediterranean, warm summer climate (Classification: Csb). The district’s yearly temperature is 22.55ºC (72.59ºF) and it is 9.91% higher than United States’s averages. Rancho Cucamonga typically receives about 5.08 millimeters (0.2 inches) of precipitation and has 8.63 rainy days (2.36% of the time) annually.

CountryUnited States
CityCalifornia
Longitude-117.5931084
Latitude34.1063989
Attitude/ElevationNonem (0ft)
Local timeFriday 18:39
Annual high temperature25.86ºC (78.55ºF)
Annual low temperature17.12ºC (62.82ºF)
Average annual precip.5.08mm (0.2in)
Warmest monthAugust (35.02ºC / 95.04ºF)
Coldest MonthFebruary (10.65ºC / 51.17ºF)
Wettest MonthDecember (11.64mm / 0.46in)
Driest MonthJune (0.11mm / 0.0in)
Number of days with rainfall (≥ 1.0 mm)8.63 days (2.36%)
Days with no rain356.37 days (97.64%)
Humidity40.32%

Climate Rancho Cucamonga: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)28.0(82.4)31.0(87.8)30.0(86.0)35.0(95.0)34.0(93.2)39.0(102.2)44.0(111.2)41.0(105.8)45.0(113.0)40.0(104.0)33.0(91.4)28.0(82.4)45.0(113.0)
Average high °C (°F)19.98(67.96)18.55(65.39)18.86(65.95)23.74(74.73)25.0(77.0)30.13(86.23)34.35(93.83)35.02(95.04)33.46(92.23)28.92(84.06)23.67(74.61)18.6(65.48)25.86(78.55)
Daily mean °C (°F)16.66(61.99)15.34(59.61)16.05(60.89)20.63(69.13)22.14(71.85)26.86(80.35)30.84(87.51)31.33(88.39)29.92(85.86)25.3(77.54)20.03(68.05)15.47(59.85)22.55(72.59)
Average low °C (°F)11.82(53.28)10.65(51.17)11.71(53.08)15.24(59.43)16.61(61.9)20.32(68.58)24.17(75.51)25.11(77.2)24.12(75.42)19.86(67.75)14.86(58.75)10.99(51.78)17.12(62.82)
Record low °C (°F)3.0(37.4)3.0(37.4)5.0(41.0)4.0(39.2)10.0(50.0)15.0(59.0)18.0(64.4)17.0(62.6)16.0(60.8)11.0(51.8)6.0(42.8)4.0(39.2)3.0(37.4)
Average precipitation mm (inches)3.55(0.14)10.71(0.42)10.61(0.42)9.38(0.37)1.17(0.05)0.11(0.0)2.87(0.11)0.66(0.03)1.66(0.07)1.53(0.06)7.06(0.28)11.64(0.46)5.08(0.2)
Average precipitation days (≥ 1.0 mm)0.821.091.820.450.640.00.730.270.360.270.821.360.72
Average relative humidity (%)39.3439.0950.5246.2348.5543.2937.2636.635.5233.5534.6439.240.32
Mean monthly sunshine hours9.5710.6410.4311.0213.7514.2914.211.4711.5411.198.368.0911.21

Climate Graph

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

Rancho Cucamonga

Rancho Cucamonga Temperature by Month

August
31.33°C | 88.39°F
July
30.84°C | 87.51°F
September
29.92°C | 85.86°F
June
26.86°C | 80.35°F
October
25.3°C | 77.54°F
May
22.14°C | 71.85°F
April
20.63°C | 69.13°F
November
20.03°C | 68.05°F
January
16.66°C | 61.99°F
March
16.05°C | 60.89°F
December
15.47°C | 59.85°F
February
15.34°C | 59.61°F

Historical Data

Summary
  • 2020
  • 2019
  • 2018
  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December
TemperatureMaxAverageMin
Max Temperature39.0°C (102.2°F)35.19°C (95.34°F)31.0°C (87.8°F)
Avg Temperature34.0°C (93.2°F)31.0°C (87.8°F)27.0°C (80.6°F)
Min Temperature27.0°C (80.6°F)24.61°C (76.3°F)22.0°C (71.6°F)
Dew PointMaxAverageMin
Dew Point17.0°C (62.6°F)11.87°C (53.37°F)7.0°C (44.6°F)
PrecipitationMaxAverageMinSum
Precipitation1.1mm | 0.04in0.04mm | 0.0in0.0mm | 0in1.1mm | 0.04in
Snowdepth0.0mm | 0in0.0mm | 0in0.0mm | 0in0.0mm | 0in
WindMaxAverageMin
Wind9.0kmh | 5.59mph7.61kmh | 4.73mph6.0kmh | 3.73mph
Gust Wind12.0kmh | 7.46mph9.65kmh | 6.0mph8.0kmh | 4.97mph
Sea Level PressureMaxAverageMin
Sea Level Pressure1.1mb0.04mb0.0mb
Rancho Cucamonga

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
August° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2019-08-0132 | 89.612 | 53.6368 | 4.9729.91 | 10130.0 | 0.0
2019-08-0232 | 89.69 | 48.2297 | 4.3529.91 | 10130.0 | 0.0
2019-08-0332 | 89.68 | 46.4277 | 4.3529.88 | 10120.0 | 0.0
2019-08-0432 | 89.610 | 50.0298 | 4.9729.88 | 10120.0 | 0.0
2019-08-0534 | 93.29 | 48.2288 | 4.9729.88 | 10120.0 | 0.0
2019-08-0632 | 89.611 | 51.8338 | 4.9729.85 | 10110.0 | 0.0
2019-08-0730 | 86.013 | 55.4429 | 5.5929.88 | 10121.1 | 0.04
2019-08-0830 | 86.011 | 51.8388 | 4.9729.85 | 10110.0 | 0.0
2019-08-0930 | 86.010 | 50.0349 | 5.5929.85 | 10110.0 | 0.0
2019-08-1028 | 82.411 | 51.8399 | 5.5929.88 | 10120.0 | 0.0
2019-08-1129 | 84.213 | 55.4467 | 4.3529.91 | 10130.0 | 0.0
2019-08-1230 | 86.013 | 55.4437 | 4.3529.91 | 10130.0 | 0.0
2019-08-1332 | 89.611 | 51.8347 | 4.3529.94 | 10140.0 | 0.0
2019-08-1434 | 93.29 | 48.2266 | 3.7329.94 | 10140.0 | 0.0
2019-08-1533 | 91.47 | 44.6237 | 4.3529.91 | 10130.0 | 0.0
2019-08-1631 | 87.810 | 50.0318 | 4.9729.85 | 10110.0 | 0.0
2019-08-1728 | 82.412 | 53.6459 | 5.5929.83 | 10100.0 | 0.0
2019-08-1827 | 80.613 | 55.4479 | 5.5929.85 | 10110.0 | 0.0
2019-08-1929 | 84.213 | 55.4448 | 4.9729.88 | 10120.0 | 0.0
2019-08-2031 | 87.812 | 53.6367 | 4.3529.88 | 10120.0 | 0.0
2019-08-2133 | 91.411 | 51.8316 | 3.7329.8 | 10090.0 | 0.0
2019-08-2230 | 86.012 | 53.6368 | 4.9729.74 | 10070.0 | 0.0
2019-08-2329 | 84.214 | 57.2478 | 4.9729.8 | 10090.0 | 0.0
2019-08-2432 | 89.614 | 57.2417 | 4.3529.91 | 10130.0 | 0.0
2019-08-2532 | 89.612 | 53.6357 | 4.3529.91 | 10130.0 | 0.0
2019-08-2632 | 89.612 | 53.6337 | 4.3529.85 | 10110.0 | 0.0
2019-08-2731 | 87.814 | 57.2407 | 4.3529.83 | 10100.0 | 0.0
2019-08-2830 | 86.016 | 60.8499 | 5.5929.88 | 10120.0 | 0.0
2019-08-2931 | 87.817 | 62.6488 | 4.9729.91 | 10130.0 | 0.0
2019-08-3032 | 89.615 | 59.0407 | 4.3529.91 | 10130.0 | 0.0
2019-08-3133 | 91.414 | 57.2386 | 3.7329.88 | 10120.0 | 0.0

Rancho Cucamonga 3 Year Historical Weather Data

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