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Rancho Cucamonga, California Climate Averages

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Rancho Cucamonga Monthly Climate Averages

January
February
March
April
May
June
July
August
September
October
November
December
Hi 65°F Lo 45°F Hi 66°F Lo 45°F Hi 69°F Lo 47°F Hi 75°F Lo 52°F Hi 78°F Lo 55°F Hi 86°F Lo 62°F Hi 92°F Lo 68°F Hi 93°F Lo 69°F Hi 91°F Lo 67°F Hi 82°F Lo 59°F Hi 73°F Lo 51°F Hi 64°F Lo 45°F
5 mph 5 mph 5 mph 5 mph 6 mph 5 mph 5 mph 5 mph 4 mph 4 mph 5 mph 4 mph
2.6 in 3.1 in 2.2 in 1.1 in 0.5 in 0.1 in 0.1 in 0.4 in 0.3 in 0.7 in 1.3 in 3.5 in
46% 49% 53% 49% 51% 46% 41% 39% 41% 42% 40% 48%
21% 23% 24% 16% 12% 6% 6% 6% 6% 11% 15% 24%
30.1 in 30.0 in 30.0 in 29.9 in 29.9 in 29.9 in 29.9 in 29.9 in 29.9 in 29.9 in 30.0 in 30.1 in
27 24 27 28 30 30 30 30 29 30 28 27
4 4 4 2 1 0 1 1 1 1 2 4
0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0
4 4 4 5 5 7 7 7 6 5 4 3
276 247 275 309 328 342 358 357 340 333 306 279
January
February
March
April
May
June
July
August
September
October
November
December
Hi 18°C Lo 7°C Hi 19°C Lo 7°C Hi 20°C Lo 9°C Hi 24°C Lo 11°C Hi 26°C Lo 13°C Hi 30°C Lo 17°C Hi 34°C Lo 20°C Hi 34°C Lo 21°C Hi 33°C Lo 19°C Hi 28°C Lo 15°C Hi 23°C Lo 10°C Hi 18°C Lo 7°C
8 km/h 8 km/h 8 km/h 9 km/h 9 km/h 9 km/h 8 km/h 8 km/h 7 km/h 7 km/h 7 km/h 7 km/h
66 mm 79 mm 56 mm 27 mm 13 mm 2 mm 3 mm 9 mm 7 mm 17 mm 32 mm 89 mm
46% 49% 53% 49% 51% 46% 41% 39% 41% 42% 40% 48%
21% 23% 24% 16% 12% 6% 6% 6% 6% 11% 15% 24%
1019 mb 1017 mb 1016 mb 1014 mb 1012 mb 1011 mb 1012 mb 1012 mb 1012 mb 1014 mb 1017 mb 1018 mb
27 24 27 28 30 30 30 30 29 30 28 27
4 4 4 2 1 0 1 1 1 1 2 4
0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0
4 4 4 5 5 7 7 7 6 5 4 3
276 247 275 309 328 342 358 357 340 333 306 279
Month
Avg. Temperatures
Avg. Wind Speed
Avg. Precipitation
Average Humidity
Avg. Cloud Cover
Pressure Average
Average Dry Days
Avg. Precip. Days
Avg. Snow Days
Average Fog Days
Average UV Index
Avg. Hours of Sun
Averages are based on historical weather data from the past 10 years.

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