Chiang Rai weather in January
January in Chiang Rai: warm, a little rain — one of the best months to visit.
#1 of 12 months in Chiang Rai · #45 of 897 destinations to visit in January · comfort 91/100 (tier S)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Chiang Rai in January
No notes yet. Open Chiang Rai on the map to add the first one.
Chiang Rai climate normals — January
| Daytime high | 27°C / 80°F | 🌤 warm |
|---|---|---|
| Nighttime low | 15°C / 59°F | |
| Rainfall | 35 mm / 1.4 in | 🌦 some rain |
| Rainy days | 3 days | |
| Humidity | 69% | 💧 humid |
| Dew point | 14°C / 58°F | |
| Sunshine | 9.7 h/day | |
| Daylight | 11.1 h | |
| Wind | 7 km/h / 5 mph | |
| Air quality (US AQI) | 59 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Chiang Rai?
Loading map…
Chiang Rai in January — FAQ
- Is January a good time to visit Chiang Rai?
- January in Chiang Rai: warm, a little rain — one of the best months to visit. It ranks #1 of 12 months for Chiang Rai on SeasonMap's comfort score (91/100).
- What is the weather like in Chiang Rai in January?
- In January, Chiang Rai averages a daily high of 26.8°C and a low of 15°C, with about 34.7 mm of rain over roughly 3.4 rainy days.
- What is the air quality in Chiang Rai in January?
- Chiang Rai has a mean US Air Quality Index of about 59 in January.