Climate averages 1991–2020
Chiang Rai weather
in March.
A hot, moderately wet month: the 2nd warmest and the 4th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
March is a hot month in Chiang Rai: daytime highs average 33.0°C and nights cool to about 19.3°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 42 mm of rain on roughly 5 days, which makes March a moderately wet month (the 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 01 min on an average March day.
The nearest other city in this atlas is Chiang Mai (153 km away). In March its highs average 34.3°C, 1.4°C warmer than Chiang Rai, with 12 mm of rain.
Among the 46 cities listed in Thailand, Chiang Rai ranks joint 31st of 46 for the warmest March highs and 23rd of 46 for the driest March (rainfall, lowest first). The mean March high of those 46 cities is 33.1°C; Chiang Rai is 0.2°C cooler than that mean.
From March to April, average highs rise by 0.6°C to 33.6°C, and monthly rainfall rises from 42 mm to 132 mm.
The annual picture
March 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, selected | 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 | 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
March in nearby cities
- Chiang Mai in MarchThailand · 153 kmHigh 34.3°C · Low 21.7°C · 12 mm rain
- Lampang in MarchThailand · 183 kmHigh 34.9°C · Low 22.7°C · 22 mm rain
- Kēng Tung in MarchMyanmar · 192 kmHigh 30.9°C · Low 17.3°C · 20 mm rain
- Möng Yang in MarchMyanmar · 216 kmHigh 29.8°C · Low 15.4°C · 21 mm rain
- Yunjinghong in MarchChina · 255 kmHigh 31.7°C · Low 16.9°C · 41 mm rain
- Menglang in MarchChina · 295 kmHigh 28.4°C · Low 16.9°C · 26 mm rain
- Taunggyi in MarchMyanmar · 307 kmHigh 26.7°C · Low 13.6°C · 7.6 mm rain
- Yawnghwe in MarchMyanmar · 314 kmHigh 30.0°C · Low 17.4°C · 7.6 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.