When to go · Chiang Mai
Chiang Mai, month by month
The best months for Chiang Mai: Jan, Nov, Dec. Months to avoid: Feb, Mar, Apr, Sep.
Month by month
- JanuaryGreatInside Chiang Mai's best window: Nov–Jan (cooler and dry).30 °C / 15 °C, 2 rain days86 °F / 59 °F, 2 rain daysCrowds: High
- FebruaryAvoidListed as a month to avoid: Feb–Apr (crop-burning smoke and poor air quality).33 °C / 16 °C, 2 rain days91 °F / 61 °F, 2 rain daysCrowds: High
- MarchAvoidListed as a month to avoid: Feb–Apr (crop-burning smoke and poor air quality).35 °C / 19 °C, 4 rain days95 °F / 66 °F, 4 rain daysCrowds: Medium
- AprilAvoidListed as a month to avoid: Feb–Apr (crop-burning smoke and poor air quality).37 °C / 23 °C, 8 rain days99 °F / 73 °F, 8 rain daysCrowds: High · 1 festival or holiday
- MayMixedOutside the best window (Nov–Jan (cooler and dry)). Across Thailand: Heat plus first rains; Andaman seas turn rough; the Gulf islands are the pick.34 °C / 24 °C, 16 rain days93 °F / 75 °F, 16 rain daysCrowds: Low
- JuneMixedOutside the best window (Nov–Jan (cooler and dry)). Across Thailand: Rainy season on the Andaman side; Gulf islands and Bangkok workable with afternoon storms.32 °C / 24 °C, 18 rain days90 °F / 75 °F, 18 rain daysCrowds: Low
- JulyMixedOutside the best window (Nov–Jan (cooler and dry)). Across Thailand: Western summer holidays lift Gulf island prices; the west coast stays rough.31 °C / 24 °C, 20 rain days88 °F / 75 °F, 20 rain daysCrowds: Medium
- AugustMixedOutside the best window (Nov–Jan (cooler and dry)). Across Thailand: Same pattern as July: Samui, Phangan and Tao are the dry choice.31 °C / 24 °C, 22 rain days88 °F / 75 °F, 22 rain daysCrowds: Medium
- SeptemberAvoidOutside the best window (Nov–Jan (cooler and dry)). Across Thailand: Wettest month in Bangkok and on the Andaman coast; flooding in low areas. Only for low prices.31 °C / 24 °C, 19 rain days88 °F / 75 °F, 19 rain daysCrowds: Low
- OctoberMixedOutside the best window (Nov–Jan (cooler and dry)). Across Thailand: Rain eases in Bangkok and the north late in the month; the Gulf islands start their wet season.30 °C / 22 °C, 13 rain days86 °F / 72 °F, 13 rain daysCrowds: Low
- NovemberGreatInside Chiang Mai's best window: Nov–Jan (cooler and dry).29 °C / 19 °C, 6 rain days84 °F / 66 °F, 6 rain daysCrowds: Medium · 1 festival or holiday
- DecemberGreatInside Chiang Mai's best window: Nov–Jan (cooler and dry).28 °C / 16 °C, 2 rain days82 °F / 61 °F, 2 rain daysCrowds: High