Currently: 21 °C. Sunny. (Weather station: Ontario International Airport, USA). See more current weatherAnnual Weather Averages Near Rancho Cucamonga
Averages are for Ontario International Airport, which is 6 kilometers from Rancho Cucamonga.
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in Rancho Cucamonga
High Temp: 35 °C
Low Temp: 6 °C
Mean Temp: 19 °C
Precipitation: 18.8 mm
Humidity: 54%
Dew Point: 8 °C
Wind: 14 km/h
Pressure: 1014 mbar
Visibility: 14 km
一月 Climate & Weather Averages in Rancho Cucamonga
High Temp: 20 °C
Low Temp: 7 °C
Mean Temp: 13 °C
Precipitation: 45.5 mm
Humidity: 54%
Dew Point: 3 °C
Wind: 10 km/h
Pressure: 1019 mbar
Visibility: 15 km
二月 Climate & Weather Averages in Rancho Cucamonga
High Temp: 20 °C
Low Temp: 8 °C
Mean Temp: 14 °C
Precipitation: 54.3 mm
Humidity: 59%
Dew Point: 5 °C
Wind: 11 km/h
Pressure: 1017 mbar
Visibility: 15 km
三月 Climate & Weather Averages in Rancho Cucamonga
High Temp: 22 °C
Low Temp: 9 °C
Mean Temp: 16 °C
Precipitation: 27.0 mm
Humidity: 59%
Dew Point: 6 °C
Wind: 14 km/h
Pressure: 1016 mbar
Visibility: 14 km
四月 Climate & Weather Averages in Rancho Cucamonga
High Temp: 24 °C
Low Temp: 11 °C
Mean Temp: 17 °C
Precipitation: 16.9 mm
Humidity: 56%
Dew Point: 7 °C
Wind: 17 km/h
Pressure: 1015 mbar
Visibility: 15 km
五月 Climate & Weather Averages in Rancho Cucamonga
High Temp: 26 °C
Low Temp: 13 °C
Mean Temp: 20 °C
Precipitation: 6.1 mm
Humidity: 59%
Dew Point: 11 °C
Wind: 19 km/h
Pressure: 1013 mbar
Visibility: 13 km
六月 Climate & Weather Averages in Rancho Cucamonga
High Temp: 30 °C
Low Temp: 15 °C
Mean Temp: 23 °C
Precipitation: 0.6 mm
Humidity: 57%
Dew Point: 13 °C
Wind: 19 km/h
Pressure: 1011 mbar
Visibility: 13 km
七月 Climate & Weather Averages in Rancho Cucamonga
High Temp: 34 °C
Low Temp: 18 °C
Mean Temp: 26 °C
Precipitation: 1.7 mm
Humidity: 52%
Dew Point: 14 °C
Wind: 19 km/h
Pressure: 1012 mbar
Visibility: 13 km
八月 Climate & Weather Averages in Rancho Cucamonga
High Temp: 35 °C
Low Temp: 18 °C
Mean Temp: 27 °C
Precipitation: 0.6 mm
Humidity: 49%
Dew Point: 14 °C
Wind: 17 km/h
Pressure: 1011 mbar
Visibility: 14 km
九月 Climate & Weather Averages in Rancho Cucamonga
High Temp: 33 °C
Low Temp: 17 °C
Mean Temp: 25 °C
Precipitation: 2.5 mm
Humidity: 49%
Dew Point: 13 °C
Wind: 15 km/h
Pressure: 1011 mbar
Visibility: 14 km
十月 Climate & Weather Averages in Rancho Cucamonga
High Temp: 28 °C
Low Temp: 13 °C
Mean Temp: 21 °C
Precipitation: 10.1 mm
Humidity: 52%
Dew Point: 9 °C
Wind: 13 km/h
Pressure: 1013 mbar
Visibility: 13 km
十一月 Climate & Weather Averages in Rancho Cucamonga
High Temp: 23 °C
Low Temp: 9 °C
Mean Temp: 16 °C
Precipitation: 17.4 mm
Humidity: 50%
Dew Point: 5 °C
Wind: 10 km/h
Pressure: 1017 mbar
Visibility: 14 km
十二月 Climate & Weather Averages in Rancho Cucamonga
High Temp: 19 °C
Low Temp: 6 °C
Mean Temp: 13 °C
Precipitation: 42.6 mm
Humidity: 53%
Dew Point: 2 °C
Wind: 9 km/h
Pressure: 1018 mbar
Visibility: 16 km