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When to go · Rancho Cucamonga

Rancho Cucamonga, month by month

The best months for Rancho Cucamonga: Mar, Apr, May, Jun, Jul, Aug, Sep, Oct. Months to avoid: Jan, Feb, Nov, Dec.

Month by month

  1. JanuaryAvoidListed as a month to avoid: Nov–Feb (cool, occasional rain).15 °C (59 °F) / 4 °C (39 °F), 6 rain daysCrowds: Low
  2. FebruaryAvoidListed as a month to avoid: Nov–Feb (cool, occasional rain).16 °C (61 °F) / 5 °C (41 °F), 5 rain daysCrowds: Low · 1 festival or holiday
  3. MarchGreatInside Rancho Cucamonga's best window: Mar–Oct (dry, warm).19 °C (66 °F) / 7 °C (45 °F), 5 rain daysCrowds: Medium · 2 festivals or holidays
  4. AprilGreatInside Rancho Cucamonga's best window: Mar–Oct (dry, warm).22 °C (72 °F) / 10 °C (50 °F), 4 rain daysCrowds: Medium · 1 festival or holiday
  5. MayGreatInside Rancho Cucamonga's best window: Mar–Oct (dry, warm).26 °C (79 °F) / 13 °C (55 °F), 3 rain daysCrowds: Medium · 1 festival or holiday
  6. JuneGreatInside Rancho Cucamonga's best window: Mar–Oct (dry, warm).31 °C (88 °F) / 17 °C (63 °F), 2 rain daysCrowds: High
  7. JulyGreatInside Rancho Cucamonga's best window: Mar–Oct (dry, warm).35 °C (95 °F) / 20 °C (68 °F), 2 rain daysCrowds: High · 1 festival or holiday
  8. AugustGreatInside Rancho Cucamonga's best window: Mar–Oct (dry, warm).35 °C (95 °F) / 20 °C (68 °F), 2 rain daysCrowds: High
  9. SeptemberGreatInside Rancho Cucamonga's best window: Mar–Oct (dry, warm).31 °C (88 °F) / 17 °C (63 °F), 3 rain daysCrowds: Medium · 1 festival or holiday
  10. OctoberGreatInside Rancho Cucamonga's best window: Mar–Oct (dry, warm).26 °C (79 °F) / 12 °C (54 °F), 4 rain daysCrowds: Medium
  11. NovemberAvoidListed as a month to avoid: Nov–Feb (cool, occasional rain).20 °C (68 °F) / 7 °C (45 °F), 5 rain daysCrowds: Medium · 1 festival or holiday
  12. DecemberAvoidListed as a month to avoid: Nov–Feb (cool, occasional rain).16 °C (61 °F) / 5 °C (41 °F), 6 rain daysCrowds: High · 1 festival or holiday

Compare two months

Weather, crowds and prices for any two months in Rancho Cucamonga, side by side.

  • Verdict

    Mar: Great

    Apr: Great

  • Daytime high

    Mar: 19 °C (66 °F)

    Apr: 22 °C (72 °F)

  • Night low

    Mar: 7 °C (45 °F)

    Apr: 10 °C (50 °F)

  • Rain days

    Mar: 5

    Apr: 4 (better)

  • Crowds

    Mar: Medium

    Apr: Medium

  • Prices

    Mar: Medium

    Apr: Medium

  • Festivals listed

    Mar: 2

    Apr: 1

March: Inside Rancho Cucamonga's best window: Mar–Oct (dry, warm).

April: Inside Rancho Cucamonga's best window: Mar–Oct (dry, warm).

Rancho Cucamonga: figures are long-term averages from this guide, not a forecast.