Sunset on Cucamonga Peak north of Rancho Cucamonga

Weather · July

Rancho Cucamonga weather in July

Average highs of 94°F, lows of 65°F and 0.10 in of rain, from 30 years of weather records.

July is Rancho Cucamonga’s 2nd warmest month, with average highs of 94°F and lows of 65°F. That is 7° warmer than June, and 14° above the yearly average high.

Average high
94°F
Average low
65°F
Precipitation
0.10 in
Wet days
1
Sunrise · sunset
5:49 AM · 8:02 PM

July across the year

  1. 68°45°Jan
  2. 68°46°Feb
  3. 72°49°Mar
  4. 76°51°Apr
  5. 80°56°May
  6. 86°60°Jun
  7. 94°65°Jul
  8. 95°65°Aug
  9. 91°64°Sep
  10. 83°57°Oct
  11. 75°49°Nov
  12. 67°44°Dec

High and low Rain

What to wear in July

  • Hot days: light, breathable clothes, a sun hat, sunscreen and plenty of water for anything outdoors.

July is good for

  • Early-morning or evening outings, with indoor plans for the afternoon heat

What’s on in Rancho Cucamonga in July

See all upcoming events.

Around Rancho Cucamonga

Four Points Hotel (by Sheraton), Rancho Cucamonga
Four Points Hotel (by Sheraton)Jordan W. · CC BY-SA 3.0
Rancho Cucamonga City Hall
Rancho Cucamonga City Hall 2JWut89LA ( talk ) · CC BY-SA 3.0
Chaffey library, Chaffey College, Rancho Cucamonga
Chaffey libraryUser:Plane777 · Public domain

See Rancho Cucamonga

A look around town before you go.

A recorded drive through Rancho Cucamonga video thumbnail

A DRIVE AROUND TOWN

A recorded drive through Rancho Cucamonga

A recorded drive through Rancho Cucamonga offers a street-level introduction to the city. This film is a dated journey, not live road conditions.

Watch on YouTube ↗
My vlog: Discovering a beautiful mountain road in Rancho Cucamonga😄👍 video thumbnail

THINGS TO DO · YOUTUBE SHORT

My vlog: Discovering a beautiful mountain road in Rancho Cucamonga😄👍

An activity Short shared by XiaomeiCheckIn.

Watch on YouTube ↗

July compared with the months around it

MonthHighLowRain
June86°F60°F0.00 in
July94°F65°F0.10 in
August95°F65°F0.00 in

Planning a trip? See the best time to visit Rancho Cucamonga and today’s forecast.

Questions

How hot does it get in Rancho Cucamonga in July?

Average highs are 94°F and average lows 65°F, for a daily mean of 79°F. Individual days run hotter or colder than these 30-year averages.

Does it rain in Rancho Cucamonga in July?

July averages 0.10 in of precipitation over about 1 days with at least 0.01 in. It is the 9th wettest month of the year.

What time is sunset in Rancho Cucamonga in July?

Around mid-July the sun rises about 5:49 AM and sets about 8:02 PM, for roughly 14.2 hours of daylight.

Is July a good time to visit Rancho Cucamonga?

The mildest months for visiting are April, May, October. July is hot, with Fourth of July events.

NOAA U.S. Climate Normals 1991–2020, Ontario Intl Ap station (3.5 mi from downtown). Sunrise and sunset are calculated for July 15 at the city’s coordinates.

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