Climate averages 1991–2020
Chiang Rai weather
in October.
A hot, wet month: the 9th warmest and the 7th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
October is a hot month in Chiang Rai: daytime highs average 28.4°C and nights cool to about 21.6°C. By daytime temperature it is the 9th warmest of the 12 months.
Expect about 139 mm of rain on roughly 18 days, which makes October a wet month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 42 min on an average October day.
The nearest other city in this atlas is Chiang Mai (153 km away). In October its highs average 28.9°C, 0.5°C warmer than Chiang Rai, with 114 mm of rain.
Among the 46 cities listed in Thailand, Chiang Rai ranks 45th of 46 for the warmest October highs and 8th of 46 for the driest October (rainfall, lowest first). The mean October high of those 46 cities is 29.9°C; Chiang Rai is 1.5°C cooler than that mean.
From October to November, average highs fall by 1.2°C to 27.2°C, and monthly rainfall falls from 139 mm to 49 mm.
The annual picture
October in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Chiang Rai climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 26.6°C15.0°C | 15.0°C | 22 | 3.0 | 11.111 h |
| February | 30.0°C16.2°C | 16.2°C | 14 | 2.5 | 11.511 h |
| March | 33.0°C19.3°C | 19.3°C | 42 | 5.1 | 12.012 h |
| April | 33.6°C22.4°C | 22.4°C | 132 | 11.8 | 12.613 h |
| May | 31.5°C23.4°C | 23.4°C | 292 | 22.8 | 13.113 h |
| June | 30.4°C23.7°C | 23.7°C | 297 | 26.2 | 13.313 h |
| July | 29.5°C23.4°C | 23.4°C | 398 | 28.4 | 13.213 h |
| August | 29.2°C23.2°C | 23.2°C | 383 | 28.8 | 12.813 h |
| September | 29.0°C22.9°C | 22.9°C | 295 | 25.1 | 12.312 h |
| October, selected | 28.4°C21.6°C | 21.6°C | 139 | 17.8 | 11.712 h |
| November | 27.2°C18.4°C | 18.4°C | 49 | 6.6 | 11.211 h |
| December | 25.5°C15.4°C | 15.4°C | 27 | 3.7 | 11.011 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
October in nearby cities
- Chiang Mai in OctoberThailand · 153 kmHigh 28.9°C · Low 21.5°C · 114 mm rain
- Lampang in OctoberThailand · 183 kmHigh 29.0°C · Low 22.5°C · 126 mm rain
- Kēng Tung in OctoberMyanmar · 192 kmHigh 27.1°C · Low 19.4°C · 89 mm rain
- Möng Yang in OctoberMyanmar · 216 kmHigh 25.8°C · Low 17.8°C · 96 mm rain
- Yunjinghong in OctoberChina · 255 kmHigh 27.6°C · Low 20.2°C · 136 mm rain
- Menglang in OctoberChina · 295 kmHigh 25.2°C · Low 17.5°C · 118 mm rain
- Taunggyi in OctoberMyanmar · 307 kmHigh 23.4°C · Low 15.6°C · 90 mm rain
- Yawnghwe in OctoberMyanmar · 314 kmHigh 26.5°C · Low 18.8°C · 90 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Chiang Rai) is explained once on the Chiang Rai year overview and on the Sources, method and limits page.