Weather in Chiang Mai in April 2025
- April is usually the hottest month of the year in Chiang Mai;
Average weather
Average temperature in Chiang Mai in April
Going from a maximum of +43°C during the day to a minimum of +22°C during the night, the temperature in April averages around +38°C.
The average maximum temperature goes down 5% by the end of the month, compared with the beginning of the month, from +37°C to +36°C.
Is Chiang Mai warm or cold in April?
Chiang Mai is typically hot in April.
Maximum temperatures go up compared to the previous month from +36°C to +37°C. The minimum temperature also goes up from +20°C to +24°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 Mai, here is the comparison with other months:
Climate in Chiang Mai in April
| March | April | May | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +36°C | +37°C | +35°C | ||||
| Min. temperature | ||||||
| +13°C | +19°C | +20°C | ||||
| Max. temperature | ||||||
| +41°C | +43°C | +43°C | ||||
| Rainfall | ||||||
| 10 mm | 34 mm | 138 mm | ||||
| Wind | ||||||
| 1 m/s | 1 m/s | 1 m/s | ||||
| Humidity | ||||||
| 50% | 54% | 67% | ||||
| Air pressure | ||||||
| 1009 HPa | 1007 HPa | 1006 HPa | ||||
| Sunny days | ||||||
| 23 | 13 | 2 | ||||
| Cloudy days | ||||||
| 3 | 4 | 3 | ||||
| Rainy days | ||||||
| 3 | 6 | 13 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
April weather is still as good as in March. It’s getting warmer as April arrives. The average maximum temperature goes up from +36°C to +37°C during the day. Prepare for more rain. Average rainfall goes from 10 mm to 34 mm. Humidity rises from 50% to 54%. The average wind speed doesn’t change much during April, staying around 1 m/s. The days becoming less sunny, going from 23 sunny days in March to 13 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 Mai 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 Mai?
Climate Change over Years
The climate in Chiang Mai in April has not changed much over the last 43 years.
The average temperature was the lowest in 2011 (+31°C) and the highest in 1998 (+34°C). The driest year was 1998 with only 604 mm of rainfall, and the wettest year was 1994 with 1462 mm.
FAQ
Is April a good time to visit Chiang Mai?
Can you sunbathe in Chiang Mai in April?
Is Chiang Mai rainy in April?
Is it sunny in Chiang Mai in April?
Other cities in Thailand
Monthly weather in Chiang Mai
Source of the data
For this page, we’ve looked at the typical weather in Chiang Mai, 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.