When to go · Rancho Cucamonga
Rancho Cucamonga in July
Great month. Inside Rancho Cucamonga's best window: Mar–Oct (dry, warm).
Key facts
- Verdict
- Great
- Temperature
- 35°C (95°F)95°F (35°C) / 20°C (68°F)68°F (20°C)
- average high / low
- Rain days
- 2
- Crowds
- High
- United States overall
- Prices
- High
- United States overall
Verdict
Inside Rancho Cucamonga's best window: Mar–Oct (dry, warm).
Is another month better than July?
No other month rates higher than July for Rancho Cucamonga in this guide.
Weather in July
- Rancho CucamongaHighs around 35 °C (95 °F), lows around 20 °C (68 °F), rain on about 2 daysHighs around 95 °F (35 °C), lows around 68 °F (20 °C), rain on about 2 days
Festivals and holidays
Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.
Independence Day big impact
4 Jul · United States
Fireworks and parades; parks, beaches and flights busy.
Crowds and prices
- Crowds · United States overall
- High
- Prices · United States overall
- High
United States overall: Peak season: parks full, 4 July crowds, 40 °C+ in the desert, humid East. Alaska and the Pacific Northwest are at their best.
High-price month: see what to book ahead.
Compare two months
Weather, crowds and prices for any two months in Rancho Cucamonga, side by side.
Verdict
Jul: Great
Mar: Great
Daytime high
Jul: 35 °C (95 °F)95 °F (35 °C)
Mar: 19 °C (66 °F)66 °F (19 °C)
Night low
Jul: 20 °C (68 °F)68 °F (20 °C)
Mar: 7 °C (45 °F)45 °F (7 °C)
Rain days
Jul: 2 (better)
Mar: 5
Crowds
Jul: High
Mar: Medium
Prices
Jul: High
Mar: Medium
Festivals listed
Jul: 1
Mar: 2
July: Inside Rancho Cucamonga's best window: Mar–Oct (dry, warm).
March: Inside Rancho Cucamonga's best window: Mar–Oct (dry, warm).
Rancho Cucamonga: figures are long-term averages from this guide, not a forecast.
What to pack
- Light, breathable clothes, a sun hat and sunscreen