When to go · San Juan
San Juan, month by month
The best months for San Juan: May, Jun, Jul, Aug, Sep, Oct. Months to avoid: Jan, Feb, Mar.
Month by month
- JanuaryAvoidListed as a month to avoid: Jan–Mar (rain, flooded salt flat and rough access roads).20 °C / 4 °C, 15 rain days68 °F / 39 °F, 15 rain daysCrowds: Medium
- FebruaryAvoidListed as a month to avoid: Jan–Mar (rain, flooded salt flat and rough access roads).20 °C / 4 °C, 13 rain days68 °F / 39 °F, 13 rain daysCrowds: High · 1 festival or holiday
- MarchAvoidListed as a month to avoid: Jan–Mar (rain, flooded salt flat and rough access roads).20 °C / 3 °C, 11 rain days68 °F / 37 °F, 11 rain daysCrowds: Medium · 1 festival or holiday
- AprilGoodOutside the best window (May–Oct (dry season, clearer roads)). Across Bolivia: Rains ending; fewer visitors; good value.20 °C / 1 °C, 5 rain days68 °F / 34 °F, 5 rain daysCrowds: Low
- MayGreatInside San Juan's best window: May–Oct (dry season, clearer roads).19 °C / -3 °C, 2 rain days66 °F / 27 °F, 2 rain daysCrowds: Medium
- JuneGreatInside San Juan's best window: May–Oct (dry season, clearer roads).18 °C / -6 °C, 1 rain days64 °F / 21 °F, 1 rain daysCrowds: Medium
- JulyGreatInside San Juan's best window: May–Oct (dry season, clearer roads).18 °C / -7 °C, 1 rain days64 °F / 19 °F, 1 rain daysCrowds: High
- AugustGreatInside San Juan's best window: May–Oct (dry season, clearer roads).19 °C / -5 °C, 2 rain days66 °F / 23 °F, 2 rain daysCrowds: High
- SeptemberGreatInside San Juan's best window: May–Oct (dry season, clearer roads).21 °C / -2 °C, 3 rain days70 °F / 28 °F, 3 rain daysCrowds: Medium
- OctoberGreatInside San Juan's best window: May–Oct (dry season, clearer roads).22 °C / 0 °C, 4 rain days72 °F / 32 °F, 4 rain daysCrowds: Medium
- NovemberGoodOutside the best window (May–Oct (dry season, clearer roads)). Across Bolivia: Todos Santos (1–2 Nov); first rains late in the month.22 °C / 1 °C, 6 rain days72 °F / 34 °F, 6 rain daysCrowds: Low
- DecemberMixedOutside the best window (May–Oct (dry season, clearer roads)). Across Bolivia: Rains begin; Christmas travel; lowland roads muddy.21 °C / 3 °C, 11 rain days70 °F / 37 °F, 11 rain daysCrowds: Low