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When to go · Fullerton

Fullerton, month by month

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

Month by month

  1. JanuaryAvoidListed as a month to avoid: Jul–Sep (inland heat), late Nov–early Jan holiday travel peaks.21 °C / 8 °C, 6 rain daysCrowds: Low
  2. FebruaryMixedOutside the best window (Mar–May, Sep–Nov). Across United States: Still winter north; ski season in the Rockies; Presidents' Day weekend busy. Mardi Gras in New Orleans (date varies).21 °C / 9 °C, 6 rain daysCrowds: Low · 1 festival or holiday
  3. MarchGreatInside Fullerton's best window: Mar–May, Sep–Nov.22 °C / 10 °C, 5 rain daysCrowds: Medium · 2 festivals or holidays
  4. AprilGreatInside Fullerton's best window: Mar–May, Sep–Nov.24 °C / 12 °C, 3 rain daysCrowds: Medium · 1 festival or holiday
  5. MayGreatInside Fullerton's best window: Mar–May, Sep–Nov.25 °C / 14 °C, 1 rain daysCrowds: Medium · 1 festival or holiday
  6. JuneGoodOutside the best window (Mar–May, Sep–Nov). Across United States: Rockies and northern parks open; desert heat builds; hurricane season starts. Book parks months ahead.27 °C / 16 °C, 1 rain daysCrowds: High
  7. JulyAvoidListed as a month to avoid: Jul–Sep (inland heat), late Nov–early Jan holiday travel peaks.30 °C / 18 °C, 0 rain daysCrowds: High · 1 festival or holiday
  8. AugustAvoidListed as a month to avoid: Jul–Sep (inland heat), late Nov–early Jan holiday travel peaks.31 °C / 18 °C, 0 rain daysCrowds: High
  9. SeptemberGreatInside Fullerton's best window: Mar–May, Sep–Nov.30 °C / 17 °C, 1 rain daysCrowds: Medium · 1 festival or holiday
  10. OctoberGreatInside Fullerton's best window: Mar–May, Sep–Nov.27 °C / 14 °C, 2 rain daysCrowds: Medium
  11. NovemberGreatInside Fullerton's best window: Mar–May, Sep–Nov.24 °C / 10 °C, 3 rain daysCrowds: Medium · 1 festival or holiday
  12. DecemberAvoidListed as a month to avoid: Jul–Sep (inland heat), late Nov–early Jan holiday travel peaks.21 °C / 7 °C, 5 rain daysCrowds: High · 1 festival or holiday