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 (86 °F) / 15 °C (59 °F), 2 rain days86 °F (30 °C) / 59 °F (15 °C), 2 rain daysCrowds: High
- FebruaryAvoidListed as a month to avoid: Feb–Apr (crop-burning smoke and poor air quality).33 °C (91 °F) / 16 °C (61 °F), 2 rain days91 °F (33 °C) / 61 °F (16 °C), 2 rain daysCrowds: High
- MarchAvoidListed as a month to avoid: Feb–Apr (crop-burning smoke and poor air quality).35 °C (95 °F) / 19 °C (66 °F), 4 rain days95 °F (35 °C) / 66 °F (19 °C), 4 rain daysCrowds: Medium
- AprilAvoidListed as a month to avoid: Feb–Apr (crop-burning smoke and poor air quality).37 °C (99 °F) / 23 °C (73 °F), 8 rain days99 °F (37 °C) / 73 °F (23 °C), 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 (93 °F) / 24 °C (75 °F), 16 rain days93 °F (34 °C) / 75 °F (24 °C), 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 (90 °F) / 24 °C (75 °F), 18 rain days90 °F (32 °C) / 75 °F (24 °C), 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 (88 °F) / 24 °C (75 °F), 20 rain days88 °F (31 °C) / 75 °F (24 °C), 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 (88 °F) / 24 °C (75 °F), 22 rain days88 °F (31 °C) / 75 °F (24 °C), 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 (88 °F) / 24 °C (75 °F), 19 rain days88 °F (31 °C) / 75 °F (24 °C), 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 (86 °F) / 22 °C (72 °F), 13 rain days86 °F (30 °C) / 72 °F (22 °C), 13 rain daysCrowds: Low
- NovemberGreatInside Chiang Mai's best window: Nov–Jan (cooler and dry).29 °C (84 °F) / 19 °C (66 °F), 6 rain days84 °F (29 °C) / 66 °F (19 °C), 6 rain daysCrowds: Medium · 1 festival or holiday
- DecemberGreatInside Chiang Mai's best window: Nov–Jan (cooler and dry).28 °C (82 °F) / 16 °C (61 °F), 2 rain days82 °F (28 °C) / 61 °F (16 °C), 2 rain daysCrowds: High
Compare two months
Weather, crowds and prices for any two months in Chiang Mai, side by side.
Verdict
Jan: Great
Nov: Great
Daytime high
Jan: 30 °C (86 °F)86 °F (30 °C)
Nov: 29 °C (84 °F)84 °F (29 °C)
Night low
Jan: 15 °C (59 °F)59 °F (15 °C)
Nov: 19 °C (66 °F)66 °F (19 °C)
Rain days
Jan: 2 (better)
Nov: 6
Crowds
Jan: High
Nov: Medium
Prices
Jan: High
Nov: Medium
Festivals listed
Jan: 0
Nov: 1
January: Inside Chiang Mai's best window: Nov–Jan (cooler and dry).
November: Inside Chiang Mai's best window: Nov–Jan (cooler and dry).
Chiang Mai: figures are long-term averages from this guide, not a forecast.