Yosemite National Park is definitely worth a visit
Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
Rancho Cucamonga Weather in May
During May, Rancho Cucamonga experiences high daytime temperatures of 26°C (79°F) and cooler nights around 12°C (54°F). Rainfall is low, averaging just 7.9 mm (0.3 in) for the month.
Rainfall in Rancho Cucamonga in May
Typically, about 2 days will experience rainfall, with an average of 7.9 mm (0.3 in) for the month. The occasional light shower is possible, but rain is rarely an issue this month.
Temperature in Rancho Cucamonga in May
Rancho Cucamonga in May is worth a visit. The temperature is excellent, with 26°C (79°F) during the day and 12°C (54°F) at night. This kind of day-to-night contrast is typical for this time of year. At 12°C (54°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.
Sunshine in Rancho Cucamonga in May
The days are predominantly sunny, with an estimated total of around 311 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.If you're inclined towards comfortable temperatures and drier conditions, May is a good time to visit Rancho Cucamonga.
Rancho Cucamonga Temperature in May
Min Temperature
12°C (54°F)
Max Temperature
26°C (79°F)
Chance of Rain
7%
Precipitation
7.9 mm (0.3 in)
Rainy days
2 days
Sunshine
311 hours *
Percentage Sunshine
*
* Data from: Corona, the United States of America (25 KM, 16 Miles).
Rancho Cucamonga Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Rancho Cucamonga - and find the best time to visit.
Best Places in the United States of America in May
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in May →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Rancho Cucamonga in May
Warm but pleasant conditions in Rancho Cucamonga in May. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Dry conditions mean you won't need to worry about rain protection. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.
What To Do in Rancho Cucamonga in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming10/10 -
Cycling8/10 -
Walking8/10 -
Barbeque10/10 -
Camping10/10 -
Outdoor sports8/10
Rancho Cucamonga 3-Day Forecast
More climate data for Rancho Cucamonga
See the full Rancho Cucamonga climate overview or explore weather in the United States of America.
Popular in May
Where to go in May - average daytime high across popular destinations.
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Yosemite National Park is definitely worth a visit
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