When to go · Rancho Cucamonga
Rancho Cucamonga in June
Great month. Inside Rancho Cucamonga's best window: Mar–Oct (dry, warm).
Key facts
- Verdict
- Great
- Temperature
- 31°C (88°F)88°F (31°C) / 17°C (63°F)63°F (17°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 June?
No other month rates higher than June for Rancho Cucamonga in this guide.
Weather in June
- Rancho CucamongaHighs around 31 °C (88 °F), lows around 17 °C (63 °F), rain on about 2 daysHighs around 88 °F (31 °C), lows around 63 °F (17 °C), rain on about 2 days
Crowds and prices
- Crowds · United States overall
- High
- Prices · United States overall
- High
United States overall: Rockies and northern parks open; desert heat builds; hurricane season starts. Book parks months ahead.
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
Jun: Great
Mar: Great
Daytime high
Jun: 31 °C (88 °F)88 °F (31 °C)
Mar: 19 °C (66 °F)66 °F (19 °C)
Night low
Jun: 17 °C (63 °F)63 °F (17 °C)
Mar: 7 °C (45 °F)45 °F (7 °C)
Rain days
Jun: 2 (better)
Mar: 5
Crowds
Jun: High
Mar: Medium
Prices
Jun: High
Mar: Medium
Festivals listed
Jun: 0
Mar: 2
June: 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