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.
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- Sun hours / year
- 2,393
- Sunniest month
- February
- Peak score
- 92/100
- Rain / year
- 1,328 mm
- Midday UV at peak
- 9 (very high)
- Population
- 79k
- Elevation
- 388 m
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 |
See Chiang Rai on the interactive sunshine globe →
Nearby places for sunshine
- Chiang Mai Thailand · 163 km · best in Feb · 2,275 h sun/yr
- Jinghong (Gasa) China · 243 km · best in Feb · 2,193 h sun/yr
- Phitsanulok Thailand · 355 km · best in Jan · 2,511 h sun/yr
- Vientiane Laos · 357 km · best in Jan · 2,437 h sun/yr
- Udon Thani Thailand · 418 km · best in Jan · 2,438 h sun/yr
- Mandalay Myanmar (Burma) · 450 km · best in Jan · 2,833 h sun/yr
Nearest destinations
- Ton Phueng Laos · 51 km · 2,275 h sun/yr · best in Feb
- Tachileik Myanmar (Burma) · 59 km · 2,330 h sun/yr · best in Feb
- Mong Hsat Myanmar (Burma) · 91 km · 2,330 h sun/yr · best in Feb
- Kengtung Myanmar (Burma) · 152 km · 2,336 h sun/yr · best in Feb
- Luang Namtha Laos · 194 km · 2,145 h sun/yr · best in Feb
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
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