Chiang Rai weather by month & the best time to visit
Thailand · small town · tropical — wet & dry seasons climate
The best time to visit Chiang Rai is February — its sunniest month (Sunshine Score 92/100), with December and January close behind. Chiang Rai averages about 2,393 hours of sunshine a year. Daytime highs around 30°C / 86°F and roughly 5 mm of rain in February.
When is the best time to visit Chiang Rai?
For sunshine, the best time to visit Chiang Rai is February, then December and January. The dullest month is April (48/100, 72 mm of rain). The full month-by-month picture is in the table below.
How sunny is Chiang Rai?
Chiang Rai gets a moderate 2,393 hours of sunshine a year. February (92/100) is noticeably better than April (48). It ranks #10 of 24 destinations in Thailand for annual sunshine, above the national median of 2,329 hours. Rain has a clear season: the wettest stretch, around August, carries about 56% of the annual 1,328 mm.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV |
|---|---|---|---|---|---|
| January | 89 | 27° / 81°F | 14° / 57°F | 19 mm | 7 |
| February | 92 | 30° / 86°F | 16° / 61°F | 5 mm | 9 |
| March | 70 | 34° / 93°F | 19° / 66°F | 26 mm | 8 |
| April | 48 | 36° / 97°F | 22° / 72°F | 72 mm | 9 |
| May | 52 | 34° / 93°F | 23° / 73°F | 178 mm | 9 |
| June | 67 | 32° / 90°F | 23° / 73°F | 141 mm | 9 |
| July | 65 | 31° / 88°F | 23° / 73°F | 245 mm | 8 |
| August | 65 | 30° / 86°F | 23° / 73°F | 284 mm | 9 |
| September | 65 | 31° / 88°F | 22° / 72°F | 210 mm | 9 |
| October | 75 | 30° / 86°F | 21° / 70°F | 99 mm | 8 |
| November | 87 | 28° / 82°F | 17° / 63°F | 34 mm | 7 |
| December | 90 | 26° / 79°F | 14° / 57°F | 15 mm | 7 |
Nearest destinations
_-_img_07.jpg/500px-Wat_Phra_Dhatu_Doi_Wao_%E0%B8%A7%E0%B8%B1%E0%B8%94%E0%B8%9E%E0%B8%A3%E0%B8%B0%E0%B8%98%E0%B8%B2%E0%B8%95%E0%B8%B8%E0%B8%94%E0%B8%AD%E0%B8%A2%E0%B9%80%E0%B8%A7%E0%B8%B2_(October_2021)_-_img_07.jpg)
_pass_through_Kengtung.jpg/500px-National_Highway_(NH4)_pass_through_Kengtung.jpg)
Head-to-head
How Chiang Rai compares month by month: Chiang Rai vs Yangon · Chiang Rai vs Chiang Mai · Chiang Rai vs Jinghong (Gasa) · Chiang Rai vs Phitsanulok · all comparisons
Chiang Rai: questions and answers
What kind of destination is Chiang Rai?
Chiang Rai is a small town in Thailand at 388 m elevation with a tropical — wet & dry seasons climate.
How many hours of sunshine does Chiang Rai get a year?
Chiang Rai gets about 2,393 hours of sunshine a year, at its best around February.
When is the best time to visit Chiang Rai?
The sunniest time to visit Chiang Rai is February, when the Sunshine Score peaks at 92/100 (with December and January close behind). Expect daytime highs around 30°C / 86°F.
What is the least sunny month in Chiang Rai?
April is the least sunny month in Chiang Rai, scoring 48/100 with about 72 mm of rain.
How strong is the sun in Chiang Rai?
The typical midday UV index in Chiang Rai peaks around 9 (very high) in February, easing to about 7 (high) in January. Month-by-month midday UV values are in the UV column of the table on this page.
Put the Chiang Rai sunshine badge on your site
A compact badge showing Chiang Rai's sunshine at a glance — free to embed under CC BY 4.0. Paste this wherever you'd like it to appear:
Live preview — this is exactly what your readers see: