When to go · Chiang Rai
Chiang Rai, month by month
The best months for Chiang Rai: Jan, Nov, Dec. Months to avoid: Mar, Apr, Sep.
Month by month
- JanuaryGreatInside Chiang Rai's best window: Nov–Jan.29 °C / 13 °C, 2 rain days84 °F / 55 °F, 2 rain daysCrowds: High
- FebruaryGoodOutside the best window (Nov–Jan). Across Thailand: Dry and warming; the north starts to haze late in the month — go south.32 °C / 15 °C, 2 rain days90 °F / 59 °F, 2 rain daysCrowds: High
- MarchAvoidListed as a month to avoid: Mar–Apr (smoke and heat), Sep (wettest).34 °C / 18 °C, 4 rain days93 °F / 64 °F, 4 rain daysCrowds: Medium
- AprilAvoidListed as a month to avoid: Mar–Apr (smoke and heat), Sep (wettest).35 °C / 21 °C, 8 rain days95 °F / 70 °F, 8 rain daysCrowds: High · 1 festival or holiday
- MayMixedOutside the best window (Nov–Jan). Across Thailand: Heat plus first rains; Andaman seas turn rough; the Gulf islands are the pick.33 °C / 23 °C, 15 rain days91 °F / 73 °F, 15 rain daysCrowds: Low
- JuneMixedOutside the best window (Nov–Jan). Across Thailand: Rainy season on the Andaman side; Gulf islands and Bangkok workable with afternoon storms.32 °C / 24 °C, 17 rain days90 °F / 75 °F, 17 rain daysCrowds: Low
- JulyMixedOutside the best window (Nov–Jan). Across Thailand: Western summer holidays lift Gulf island prices; the west coast stays rough.31 °C / 24 °C, 19 rain days88 °F / 75 °F, 19 rain daysCrowds: Medium
- AugustMixedOutside the best window (Nov–Jan). Across Thailand: Same pattern as July: Samui, Phangan and Tao are the dry choice.31 °C / 23 °C, 20 rain days88 °F / 73 °F, 20 rain daysCrowds: Medium
- SeptemberAvoidListed as a month to avoid: Mar–Apr (smoke and heat), Sep (wettest).31 °C / 23 °C, 17 rain days88 °F / 73 °F, 17 rain daysCrowds: Low
- OctoberMixedOutside the best window (Nov–Jan). Across Thailand: Rain eases in Bangkok and the north late in the month; the Gulf islands start their wet season.31 °C / 21 °C, 11 rain days88 °F / 70 °F, 11 rain daysCrowds: Low
- NovemberGreatInside Chiang Rai's best window: Nov–Jan.30 °C / 17 °C, 5 rain days86 °F / 63 °F, 5 rain daysCrowds: Medium
- DecemberGreatInside Chiang Rai's best window: Nov–Jan.28 °C / 13 °C, 2 rain days82 °F / 55 °F, 2 rain daysCrowds: High