Chiang Rai Weather
Chiang Rai weather today, the 14-day forecast, and average temperature, rain and what to wear for every month — compared against Hong Kong. Best months to visit: Jan, Feb, Oct, Nov and Dec.
Chiang Rai current weather
Chiang Rai now (local time 11:30)
29°C
Mostly clear
- Feels like
- 37°
- Humidity
- 76%
- Wind
- 4 km/h
Next 7 days · what to wear
20° – 30°C
Rain likely on 3 of 7 days
👕 Short sleeves, plus a light layer for air-conditioned interiors; it's wet, so pack a compact umbrella.
Chiang Rai 14-day forecast
Today
10/4
⛈️
30°
22°
💧76%
Mon
10/5
⛈️
28°
21°
💧90%
Tue
10/6
⛈️
26°
21°
💧94%
Wed
10/7
🌦️
29°
20°
💧23%
Thu
10/8
🌦️
29°
21°
💧31%
Fri
10/9
🌦️
30°
21°
💧35%
Sat
10/10
🌦️
30°
21°
💧19%
Sun
10/11
🌦️
27°
22°
💧26%
Mon
10/12
🌦️
29°
21°
💧21%
Tue
10/13
🌦️
30°
22°
💧25%
Wed
10/14
☁️
29°
23°
💧38%
Thu
10/15
☁️
30°
22°
💧37%
Fri
10/16
☁️
30°
22°
💧34%
Sat
10/17
🌦️
28°
21°
💧39%
Best time to visit Chiang Rai
On temperature and rainfall, the most comfortable months in Chiang Rai are Jan, Feb, Oct, Nov and Dec. The hottest month is April (average high 36°C) and the coldest is December (average low 14°C).
Chiang Rai climate by month
| Month | Avg high | Avg low | Rain | Humidity | vs Hong Kong |
|---|---|---|---|---|---|
| JanBest | 27°C | 14°C | 19 mm | 70% | +4°C |
| FebBest | 30°C | 16°C | 5 mm | 60% | +5°C |
| Mar | 34°C | 19°C | 26 mm | 55% | +6°C |
| Apr | 36°C | 22°C | 72 mm | 59% | +5°C |
| May | 34°C | 23°C | 178 mm | 72% | +2°C |
| Jun | 32°C | 23°C | 141 mm | 79% | -1°C |
| Jul | 31°C | 23°C | 245 mm | 83% | -2°C |
| Aug | 30°C | 23°C | 284 mm | 85% | -3°C |
| Sep | 31°C | 22°C | 210 mm | 83% | -2°C |
| OctBest | 30°C | 21°C | 99 mm | 81% | -1°C |
| NovBest | 28°C | 17°C | 34 mm | 78% | 0°C |
| DecBest | 26°C | 14°C | 15 mm | 75% | +2°C |
Data: NASA POWER 2001–2020 climatology (MERRA-2, elevation-corrected); Hong Kong comparison uses HKO 1991–2020 normals.
Chiang Rai weather month by month: what to wear
Chiang Rai in OctoberBest monthThis month
October in Chiang Rai is warm to hot: average highs of 30°C and lows of 21°C, around 99 mm of rain (some rain) and 81% humidity — about the same as Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Short sleeves, plus a light layer for air-conditioned interiors; big day–night swing, so dress in layers; humid, so quick-dry fabrics help.
Chiang Rai in NovemberBest month
November in Chiang Rai is warm to hot: average highs of 28°C and lows of 17°C, around 34 mm of rain (mostly dry) and 78% humidity — about the same as Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Short sleeves, plus a light layer for air-conditioned interiors; big day–night swing, so dress in layers.
Chiang Rai in DecemberBest month
December in Chiang Rai is warm to hot: average highs of 26°C and lows of 14°C, around 15 mm of rain (dry) and 75% humidity — about 2°C warmer than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Short sleeves, plus a light layer for air-conditioned interiors; big day–night swing, so dress in layers.
Chiang Rai in JanuaryBest month
January in Chiang Rai is warm to hot: average highs of 27°C and lows of 14°C, around 19 mm of rain (dry) and 70% humidity — about 4°C warmer than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Short sleeves, plus a light layer for air-conditioned interiors; big day–night swing, so dress in layers.
Chiang Rai in FebruaryBest month
February in Chiang Rai is warm to hot: average highs of 30°C and lows of 16°C, around 5 mm of rain (dry) and 60% humidity — about 5°C warmer than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 T-shirts, shorts and breathable fabrics; sunscreen and water; big day–night swing, so dress in layers.
Chiang Rai in March
March in Chiang Rai is hot: average highs of 34°C and lows of 19°C, around 26 mm of rain (dry) and 55% humidity — about 6°C warmer than Hong Kong.
👕 T-shirts, shorts and breathable fabrics; sunscreen and water; big day–night swing, so dress in layers.
Chiang Rai in April
April in Chiang Rai is hot: average highs of 36°C and lows of 22°C, around 72 mm of rain (mostly dry) and 59% humidity — about 5°C warmer than Hong Kong.
👕 T-shirts, shorts and breathable fabrics; sunscreen and water; big day–night swing, so dress in layers.
Chiang Rai in May
May in Chiang Rai is hot: average highs of 34°C and lows of 23°C, around 178 mm of rain (wet) and 72% humidity — about 2°C warmer than Hong Kong.
👕 T-shirts, shorts and breathable fabrics; sunscreen and water; big day–night swing, so dress in layers; it's wet, so pack a compact umbrella.
Chiang Rai in June
June in Chiang Rai is hot: average highs of 32°C and lows of 23°C, around 141 mm of rain (some rain) and 79% humidity — about the same as Hong Kong.
👕 T-shirts, shorts and breathable fabrics; sunscreen and water; big day–night swing, so dress in layers.
Chiang Rai in July
July in Chiang Rai is warm to hot: average highs of 31°C and lows of 23°C, around 245 mm of rain (wet) and 83% humidity — about 2°C colder than Hong Kong.
👕 T-shirts, shorts and breathable fabrics; sunscreen and water; it's wet, so pack a compact umbrella; humid, so quick-dry fabrics help.
Chiang Rai in August
August in Chiang Rai is warm to hot: average highs of 30°C and lows of 23°C, around 284 mm of rain (very wet) and 85% humidity — about 3°C colder than Hong Kong.
👕 T-shirts, shorts and breathable fabrics; sunscreen and water; it's wet, so pack a compact umbrella; humid, so quick-dry fabrics help.
Chiang Rai in September
September in Chiang Rai is warm to hot: average highs of 31°C and lows of 22°C, around 210 mm of rain (wet) and 83% humidity — about 2°C colder than Hong Kong.
👕 T-shirts, shorts and breathable fabrics; sunscreen and water; it's wet, so pack a compact umbrella; humid, so quick-dry fabrics help.
FAQ
›What is the best time to visit Chiang Rai?
On temperature and rainfall, the most comfortable months in Chiang Rai are Jan, Feb, Oct, Nov and Dec. The hottest month is April (average high 36°C) and the coldest is December (average low 14°C).
›What's the weather like in Chiang Rai in October, and what should I wear?
October in Chiang Rai is warm to hot: average highs of 30°C and lows of 21°C, around 99 mm of rain (some rain) and 81% humidity — about the same as Hong Kong. It's one of the most comfortable months of the year to visit. What to wear: Short sleeves, plus a light layer for air-conditioned interiors; big day–night swing, so dress in layers; humid, so quick-dry fabrics help.
›What's the weather like in Chiang Rai in November, and what should I wear?
November in Chiang Rai is warm to hot: average highs of 28°C and lows of 17°C, around 34 mm of rain (mostly dry) and 78% humidity — about the same as Hong Kong. It's one of the most comfortable months of the year to visit. What to wear: Short sleeves, plus a light layer for air-conditioned interiors; big day–night swing, so dress in layers.
›When is the rainy season in Chiang Rai?
Chiang Rai is wettest in August, with about 284 mm on average, and driest in February, with about 5 mm.
›How cold does Chiang Rai get? Does it snow?
The coldest month is December, averaging 26°C by day and 14°C at night. Snow is very unlikely.
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Forecast data: Open-Meteo.com (CC BY 4.0), refreshed every 3 hours. Hottest month: April; coldest: December.