When to go · Delta
Delta, month by month
The best months for Delta: May, Jun, Sep, Oct. Months to avoid: Jan, Feb, Jul, Aug, Dec.
Month by month
- JanuaryAvoidListed as a month to avoid: Jul–Aug heat, Dec–Feb snow and winter closures.4 °C / -9 °C, 5 rain days39 °F / 16 °F, 5 rain daysCrowds: Low
- FebruaryAvoidListed as a month to avoid: Jul–Aug heat, Dec–Feb snow and winter closures.8 °C / -6 °C, 5 rain days46 °F / 21 °F, 5 rain daysCrowds: Low · 1 festival or holiday
- MarchGoodOutside the best window (May–Jun, Sep–Oct). Across United States: Spring break fills Florida beaches and parks; the desert parks come into season.14 °C / -2 °C, 6 rain days57 °F / 28 °F, 6 rain daysCrowds: Medium · 2 festivals or holidays
- AprilGoodOutside the best window (May–Jun, Sep–Oct). Across United States: Good month for the Southwest, Washington cherry blossoms, the South; mountain roads still closed.18 °C / 2 °C, 6 rain days64 °F / 36 °F, 6 rain daysCrowds: Medium · 1 festival or holiday
- MayGreatInside Delta's best window: May–Jun, Sep–Oct.24 °C / 7 °C, 6 rain days75 °F / 45 °F, 6 rain daysCrowds: Medium · 1 festival or holiday
- JuneGreatInside Delta's best window: May–Jun, Sep–Oct.30 °C / 11 °C, 4 rain days86 °F / 52 °F, 4 rain daysCrowds: High
- JulyAvoidListed as a month to avoid: Jul–Aug heat, Dec–Feb snow and winter closures.34 °C / 15 °C, 5 rain days93 °F / 59 °F, 5 rain daysCrowds: High · 1 festival or holiday
- AugustAvoidListed as a month to avoid: Jul–Aug heat, Dec–Feb snow and winter closures.32 °C / 14 °C, 6 rain days90 °F / 57 °F, 6 rain daysCrowds: High
- SeptemberGreatInside Delta's best window: May–Jun, Sep–Oct.27 °C / 9 °C, 5 rain days81 °F / 48 °F, 5 rain daysCrowds: Medium · 1 festival or holiday
- OctoberGreatInside Delta's best window: May–Jun, Sep–Oct.19 °C / 2 °C, 5 rain days66 °F / 36 °F, 5 rain daysCrowds: Medium
- NovemberMixedOutside the best window (May–Jun, Sep–Oct). Across United States: Quiet between holidays; Thanksgiving week is the busiest travel period of the year.11 °C / -4 °C, 5 rain days52 °F / 25 °F, 5 rain daysCrowds: Medium · 1 festival or holiday
- DecemberAvoidListed as a month to avoid: Jul–Aug heat, Dec–Feb snow and winter closures.4 °C / -9 °C, 5 rain days39 °F / 16 °F, 5 rain daysCrowds: High · 1 festival or holiday