Rancho Cucamonga Weather in May

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

The climate in Rancho Cucamonga during May can be summarized as warm and very dry.

May is in the spring in Rancho Cucamonga and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a comfortable 25°C (78°F), whilst at night 11°C (51°F) is normal.

Rancho Cucamonga weather averages (imperial / metric)
Daytime temperature 25.3°C 77.5°F
Nightly temperature 10.8°C 51.4°F
Average temperature 18°C 64.4°F
Daily sunshine 10.1 hrs
Avg rainfall 10 mm 0.4 ins
Rainy days 1 days
Sea temperature 15.8°C 60.5°F
Humidity 59%
Windspeed 14.4kph 9 mph

On average May is the 6th driest month of the year in Rancho Cucamonga with around 10mm 0.4 inches of rain making it a very dry time to visit.

On the flip side this corresponds to an average of 10.1 hours of sunshine per day.

May temperatures in Rancho Cucamonga

Rancho Cucamonga average temperature in May

May rainfall

Rancho Cucamonga average rain in May

May hourly sunshine

Rancho Cucamonga average rain in May

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 May 2024.

Other monthly averages

Best places to visit in May

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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