When to go · South Valley
South Valley, month by month
The best months for South Valley: Mar, Apr, May, Oct, Nov. Months to avoid: Jan, Jul, Aug, Sep, Dec.
Month by month
- JanuaryAvoidListed as a month to avoid: Jul–Sep (valley heat, often 35–40 °C), Dec–Jan rain days.Listed as a month to avoid: Jul–Sep (valley heat, often 95–104 °F), Dec–Jan rain days.20 °C / 7 °C, 6 rain days68 °F / 45 °F, 6 rain daysCrowds: Low
- FebruaryMixedOutside the best window (Mar–May, Oct–Nov). Across United States: Still winter north; ski season in the Rockies; Presidents' Day weekend busy. Mardi Gras in New Orleans (date varies).20 °C / 8 °C, 6 rain days68 °F / 46 °F, 6 rain daysCrowds: Low · 1 festival or holiday
- MarchGreatInside South Valley's best window: Mar–May, Oct–Nov.22 °C / 9 °C, 5 rain days72 °F / 48 °F, 5 rain daysCrowds: Medium · 2 festivals or holidays
- AprilGreatInside South Valley's best window: Mar–May, Oct–Nov.24 °C / 11 °C, 3 rain days75 °F / 52 °F, 3 rain daysCrowds: Medium · 1 festival or holiday
- MayGreatInside South Valley's best window: Mar–May, Oct–Nov.26 °C / 13 °C, 1 rain days79 °F / 55 °F, 1 rain daysCrowds: Medium · 1 festival or holiday
- JuneGoodOutside the best window (Mar–May, Oct–Nov). Across United States: Rockies and northern parks open; desert heat builds; hurricane season starts. Book parks months ahead.29 °C / 15 °C, 0 rain days84 °F / 59 °F, 0 rain daysCrowds: High
- JulyAvoidListed as a month to avoid: Jul–Sep (valley heat, often 35–40 °C), Dec–Jan rain days.Listed as a month to avoid: Jul–Sep (valley heat, often 95–104 °F), Dec–Jan rain days.34 °C / 17 °C, 0 rain days93 °F / 63 °F, 0 rain daysCrowds: High · 1 festival or holiday
- AugustAvoidListed as a month to avoid: Jul–Sep (valley heat, often 35–40 °C), Dec–Jan rain days.Listed as a month to avoid: Jul–Sep (valley heat, often 95–104 °F), Dec–Jan rain days.35 °C / 18 °C, 0 rain days95 °F / 64 °F, 0 rain daysCrowds: High
- SeptemberAvoidListed as a month to avoid: Jul–Sep (valley heat, often 35–40 °C), Dec–Jan rain days.Listed as a month to avoid: Jul–Sep (valley heat, often 95–104 °F), Dec–Jan rain days.33 °C / 17 °C, 1 rain days91 °F / 63 °F, 1 rain daysCrowds: Medium · 1 festival or holiday
- OctoberGreatInside South Valley's best window: Mar–May, Oct–Nov.28 °C / 14 °C, 2 rain days82 °F / 57 °F, 2 rain daysCrowds: Medium
- NovemberGreatInside South Valley's best window: Mar–May, Oct–Nov.24 °C / 10 °C, 3 rain days75 °F / 50 °F, 3 rain daysCrowds: Medium · 1 festival or holiday
- DecemberAvoidListed as a month to avoid: Jul–Sep (valley heat, often 35–40 °C), Dec–Jan rain days.Listed as a month to avoid: Jul–Sep (valley heat, often 95–104 °F), Dec–Jan rain days.20 °C / 7 °C, 5 rain days68 °F / 45 °F, 5 rain daysCrowds: High · 1 festival or holiday