Rancho Cucamonga
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Rancho Cucamonga Weather in July

July in Rancho Cucamonga averages 33°C (91°F) during the day and 18°C (64°F) at night. With only 2.2 mm (0.1 in) of rainfall expected on average, it's a largely dry month.

Rainfall in Rancho Cucamonga in July

Analyzing past climate data, one can expect approximately 0 days of rain, averaging 2.2 mm (0.1 in). On the rare occasion it rains, expect a brief, moderate shower rather than a heavy downpour.

Temperature in Rancho Cucamonga in July

Weather in Rancho Cucamonga is at its excellent in July. Highs reach 33°C (91°F), while nights settle around 18°C (64°F). If you're spending a lot of time outdoors, it helps to plan around the warmer part of the day. At 18°C (64°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 July

The city usually sees around 369 hours of sunlight, indicating many sunny days , a great month for sightseeing.

Should you favor a climate that's both dry and comfortably warm, January, February, March, April, May, October and November typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

Rancho Cucamonga Temperature in July

Min Temperature
18°C (64°F)
Max Temperature
33°C (91°F)
Chance of Rain
1%
Precipitation
2.2 mm (0.1 in)
Rainy days
0 days
Sunshine
369 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 July

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 July →

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 July

Hot weather in July means keeping cool is the priority. Loose-fitting clothes in natural fabrics work best. Pack plenty of shorts, tank tops, and breathable shirts. Don't forget a hat, swimwear, and comfortable sandals. With minimal rainfall expected, you can leave the rain gear at home. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Rancho Cucamonga in July

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Swimming
    10/10
  • Cycling
    8/10
  • Walking
    8/10
  • Barbeque
    10/10
  • Camping
    10/10
  • Outdoor sports
    8/10

Rancho Cucamonga 3-Day Forecast

More climate data for Rancho Cucamonga

Popular in July

Where to go in July - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.