Weather in Chiang Rai in April 2026
- April is usually the hottest month of the year in Chiang Rai;
Average weather
Average temperature in Chiang Rai in April
Going from a maximum of +42°C during the day to a minimum of +19°C during the night, the temperature in April averages around +38°C.
The average maximum temperature goes down 13% by the end of the month, compared with the beginning of the month, from +37°C to +34°C.
Is Chiang Rai warm or cold in April?
Chiang Rai is typically hot in April.
Maximum temperatures go up compared to the previous month from +34°C to +35°C. The minimum temperature also goes up from +18°C to +22°C.
Make sure that you pack your summer linen and swimming costumes; it’s probably going to be hot.
April is the hottest month in Chiang Rai, here is the comparison with other months:
Climate in Chiang Rai in April
| March | April | May | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +34°C | +35°C | +33°C | ||||
| Min. temperature | ||||||
| +10°C | +17°C | +17°C | ||||
| Max. temperature | ||||||
| +40°C | +43°C | +43°C | ||||
| Rainfall | ||||||
| 34 mm | 118 mm | 314 mm | ||||
| Wind | ||||||
| 0 m/s | 0 m/s | 0 m/s | ||||
| Humidity | ||||||
| 64% | 67% | 77% | ||||
| Air pressure | ||||||
| 1009 HPa | 1007 HPa | 1006 HPa | ||||
| Sunny days | ||||||
| 19 | 10 | 2 | ||||
| Cloudy days | ||||||
| 4 | 4 | 2 | ||||
| Rainy days | ||||||
| 6 | 13 | 22 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
April typically has worse weather conditions compared to March. It’s getting warmer as April arrives. The average maximum temperature goes up from +34°C to +35°C during the day. Prepare for more rain. Average rainfall goes from 34 mm to 118 mm. Humidity rises from 64% to 67%. The average wind speed doesn’t change much during April, staying around 0 m/s. The days becoming less sunny, going from 19 sunny days in March to 10 in April.
Next month (May) brings a further decline in the weather.
Wind
The average wind speed is 1 m/s getting up to 3 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Chiang Rai is gradually increasing during April, going from 1 m/s to 3 m/s over the course of the month.
Rain
How was the weather last April in Chiang Rai?
Climate Change over Years
The climate in Chiang Rai in April has not changed much over the last 43 years.
The average temperature was the lowest in 1999 (+30°C) and the highest in 2010 (+32°C). The driest year was 2019 with only 1196 mm of rainfall, and the wettest year was 2022 with 3394 mm.
FAQ
Is April a good time to visit Chiang Rai?
Can you sunbathe in Chiang Rai in April?
Is Chiang Rai rainy in April?
Is it sunny in Chiang Rai in April?
Other cities in Thailand
Monthly weather in Chiang Rai
Source of the data
For this page, we’ve looked at the typical weather in Chiang Rai, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.
