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When to go · Sunnyvale

Sunnyvale, month by month

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

Month by month

  1. JanuaryAvoidListed as a month to avoid: Jul–Aug (hot, dry), Dec–Feb rain.15 °C / 6 °C, 10 rain daysCrowds: Low
  2. FebruaryAvoidListed as a month to avoid: Jul–Aug (hot, dry), Dec–Feb rain.17 °C / 7 °C, 9 rain daysCrowds: Low · 1 festival or holiday
  3. MarchGoodOutside the best window (Apr–Jun, Sep–Oct). Across United States: Spring break fills Florida beaches and parks; the desert parks come into season.19 °C / 8 °C, 9 rain daysCrowds: Medium · 2 festivals or holidays
  4. AprilGreatInside Sunnyvale's best window: Apr–Jun, Sep–Oct.21 °C / 9 °C, 5 rain daysCrowds: Medium · 1 festival or holiday
  5. MayGreatInside Sunnyvale's best window: Apr–Jun, Sep–Oct.24 °C / 11 °C, 3 rain daysCrowds: Medium · 1 festival or holiday
  6. JuneGreatInside Sunnyvale's best window: Apr–Jun, Sep–Oct.26 °C / 13 °C, 1 rain daysCrowds: High
  7. JulyAvoidListed as a month to avoid: Jul–Aug (hot, dry), Dec–Feb rain.27 °C / 14 °C, 0 rain daysCrowds: High · 1 festival or holiday
  8. AugustAvoidListed as a month to avoid: Jul–Aug (hot, dry), Dec–Feb rain.27 °C / 14 °C, 0 rain daysCrowds: High
  9. SeptemberGreatInside Sunnyvale's best window: Apr–Jun, Sep–Oct.27 °C / 13 °C, 1 rain daysCrowds: Medium · 1 festival or holiday
  10. OctoberGreatInside Sunnyvale's best window: Apr–Jun, Sep–Oct.24 °C / 11 °C, 3 rain daysCrowds: Medium
  11. NovemberMixedOutside the best window (Apr–Jun, Sep–Oct). Across United States: Quiet between holidays; Thanksgiving week is the busiest travel period of the year.19 °C / 8 °C, 7 rain daysCrowds: Medium · 1 festival or holiday
  12. DecemberAvoidListed as a month to avoid: Jul–Aug (hot, dry), Dec–Feb rain.15 °C / 6 °C, 9 rain daysCrowds: High · 1 festival or holiday