When to go · Vallejo
Vallejo, month by month
The best months for Vallejo: Apr, May, Jun, Sep, Oct. Months to avoid: Jan, Feb, Jul, Aug.
Month by month
- JanuaryAvoidListed as a month to avoid: Jan–Feb (Six Flags often closed), Jul–Aug heat inland.14 °C (57 °F) / 5 °C (41 °F), 11 rain days57 °F (14 °C) / 41 °F (5 °C), 11 rain daysCrowds: Low
- FebruaryAvoidListed as a month to avoid: Jan–Feb (Six Flags often closed), Jul–Aug heat inland.16 °C (61 °F) / 6 °C (43 °F), 10 rain days61 °F (16 °C) / 43 °F (6 °C), 10 rain daysCrowds: Low · 1 festival or holiday
- MarchGoodOutside the best window (Apr–Jun, Sep–Oct). Across United States: Spring break fills Florida beaches and parks; the desert parks come into season.18 °C (64 °F) / 7 °C (45 °F), 9 rain days64 °F (18 °C) / 45 °F (7 °C), 9 rain daysCrowds: Medium · 2 festivals or holidays
- AprilGreatInside Vallejo's best window: Apr–Jun, Sep–Oct.21 °C (70 °F) / 8 °C (46 °F), 5 rain days70 °F (21 °C) / 46 °F (8 °C), 5 rain daysCrowds: Medium · 1 festival or holiday
- MayGreatInside Vallejo's best window: Apr–Jun, Sep–Oct.24 °C (75 °F) / 10 °C (50 °F), 3 rain days75 °F (24 °C) / 50 °F (10 °C), 3 rain daysCrowds: Medium · 1 festival or holiday
- JuneGreatInside Vallejo's best window: Apr–Jun, Sep–Oct.27 °C (81 °F) / 12 °C (54 °F), 1 rain days81 °F (27 °C) / 54 °F (12 °C), 1 rain daysCrowds: High
- JulyAvoidListed as a month to avoid: Jan–Feb (Six Flags often closed), Jul–Aug heat inland.29 °C (84 °F) / 13 °C (55 °F), 0 rain days84 °F (29 °C) / 55 °F (13 °C), 0 rain daysCrowds: High · 1 festival or holiday
- AugustAvoidListed as a month to avoid: Jan–Feb (Six Flags often closed), Jul–Aug heat inland.29 °C (84 °F) / 13 °C (55 °F), 0 rain days84 °F (29 °C) / 55 °F (13 °C), 0 rain daysCrowds: High
- SeptemberGreatInside Vallejo's best window: Apr–Jun, Sep–Oct.28 °C (82 °F) / 12 °C (54 °F), 1 rain days82 °F (28 °C) / 54 °F (12 °C), 1 rain daysCrowds: Medium · 1 festival or holiday
- OctoberGreatInside Vallejo's best window: Apr–Jun, Sep–Oct.25 °C (77 °F) / 10 °C (50 °F), 3 rain days77 °F (25 °C) / 50 °F (10 °C), 3 rain daysCrowds: Medium
- NovemberMixedOutside the best window (Apr–Jun, Sep–Oct). Across United States: Quiet between holidays; Thanksgiving week is the busiest travel period of the year.18 °C (64 °F) / 7 °C (45 °F), 8 rain days64 °F (18 °C) / 45 °F (7 °C), 8 rain daysCrowds: Medium · 1 festival or holiday
- DecemberMixedOutside the best window (Apr–Jun, Sep–Oct). Across United States: Holiday lights in New York, ski season opens; flights and hotels peak around Christmas and New Year.14 °C (57 °F) / 5 °C (41 °F), 11 rain days57 °F (14 °C) / 41 °F (5 °C), 11 rain daysCrowds: High · 1 festival or holiday
Compare two months
Weather, crowds and prices for any two months in Vallejo, side by side.
Verdict
Apr: Great
May: Great
Daytime high
Apr: 21 °C (70 °F)70 °F (21 °C)
May: 24 °C (75 °F)75 °F (24 °C)
Night low
Apr: 8 °C (46 °F)46 °F (8 °C)
May: 10 °C (50 °F)50 °F (10 °C)
Rain days
Apr: 5
May: 3 (better)
Crowds
Apr: Medium
May: Medium
Prices
Apr: Medium
May: Medium
Festivals listed
Apr: 1
May: 1
April: Inside Vallejo's best window: Apr–Jun, Sep–Oct.
May: Inside Vallejo's best window: Apr–Jun, Sep–Oct.
Vallejo: figures are long-term averages from this guide, not a forecast.