Skip to content
Voykit
Set your trip — dates, party, bagsPlanner

Draft data. Times, fares and step counts are desk estimates awaiting field checks. Unknown times stay unknown. How we verify

When to go · Mill Valley

Mill Valley, month by month

The best months for Mill Valley: 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 (fog and weekend crowds), Dec–Feb (wet trails).13 °C / 5 °C, 11 rain daysCrowds: Low
  2. FebruaryAvoidListed as a month to avoid: Jul–Aug (fog and weekend crowds), Dec–Feb (wet trails).15 °C / 6 °C, 10 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.17 °C / 7 °C, 10 rain daysCrowds: Medium · 2 festivals or holidays
  4. AprilGreatInside Mill Valley's best window: Apr–Jun, Sep–Oct.19 °C / 8 °C, 6 rain daysCrowds: Medium · 1 festival or holiday
  5. MayGreatInside Mill Valley's best window: Apr–Jun, Sep–Oct.21 °C / 10 °C, 4 rain daysCrowds: Medium · 1 festival or holiday
  6. JuneGreatInside Mill Valley's best window: Apr–Jun, Sep–Oct.23 °C / 11 °C, 2 rain daysCrowds: High
  7. JulyAvoidListed as a month to avoid: Jul–Aug (fog and weekend crowds), Dec–Feb (wet trails).24 °C / 12 °C, 1 rain daysCrowds: High · 1 festival or holiday
  8. AugustAvoidListed as a month to avoid: Jul–Aug (fog and weekend crowds), Dec–Feb (wet trails).24 °C / 12 °C, 1 rain daysCrowds: High
  9. SeptemberGreatInside Mill Valley's best window: Apr–Jun, Sep–Oct.24 °C / 12 °C, 2 rain daysCrowds: Medium · 1 festival or holiday
  10. OctoberGreatInside Mill Valley's best window: Apr–Jun, Sep–Oct.22 °C / 10 °C, 4 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.17 °C / 7 °C, 8 rain daysCrowds: Medium · 1 festival or holiday
  12. DecemberAvoidListed as a month to avoid: Jul–Aug (fog and weekend crowds), Dec–Feb (wet trails).13 °C / 5 °C, 11 rain daysCrowds: High · 1 festival or holiday