Rancho Cucamonga Weather in August

What's the weather like in Rancho Cucamonga (California) in August 2024?

The climate in Rancho Cucamonga during August can be summarized as hot and very dry.

August is in the summer in Rancho Cucamonga and is typically the warmest month of the year. Daytime maximum temperatures average around a warm 34°C (93°F), whilst at night 17°C (62°F) is normal.

Rancho Cucamonga weather averages (imperial / metric)
Daytime temperature 33.7°C 92.6°F
Nightly temperature 16.8°C 62.2°F
Average temperature 25.2°C 77.4°F
Daily sunshine 11.7 hrs
Avg rainfall 4 mm 0.2 ins
Rainy days 1 days
Sea temperature 19.7°C 67.5°F
Humidity 62%
Windspeed 13.3kph 8 mph

On average August is the 3rd driest month of the year in Rancho Cucamonga with around 4mm 0.2 inches of rain making it a very dry time to visit.

On the flip side this corresponds to an average of 11.7 hours of sunshine per day.

August temperatures in Rancho Cucamonga

Rancho Cucamonga average temperature in August

August rainfall

Rancho Cucamonga average rain in August

August hourly sunshine

Rancho Cucamonga average rain in August

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Rancho Cucamonga in August 2024.

Other monthly averages

Best places to visit in August

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Rancho Cucamonga weather stats

Rancho Cucamonga weather statistics
Hottest month: August 33.2°C 91.8°F
Driest month: July 1mm 0ins
Sunniest month: August 11.7hrs
Coldest month: January 18.2°C 64.8°F
Wettest month: January 84mm 3.3ins
Map showing location of Rancho Cucamonga (34.1064, -117.59311) Rancho Cucamonga map pin © Google

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