The weather in Thailand on wednesday 21 May 2025
The average max temperature in Thailand on 21 May is normally around 37°C. For comparison: the highest daytime temperature in the past 10 years was 40°C in 2023, while the lowest was 32°C in 2022.
There’s a fair chance of precipitation, as 5 out of the last 10 years had some, with an average of 2,3 mm on this day. The wind often comes from the Southwest with a maximum strength of 4 Bft.The UV index can reach 7.
Temperature on 21 May in Thailand per year
This chart shows the average temperature on 21 May in Thailand, measured in degrees Celsius, over the past years.
Precipitation on 21 May in Thailand over the past years
This chart shows the total measured precipitation in millimetres on 21 May in Thailand over the past years.
Average Weather in Thailand by Month
Click on a month below to see detailed weather info for Thailand. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.