Ko Samui Weather in April

What's the weather like in Ko Samui (Surat Thani) in April 2024?

The climate in Ko Samui during April can be summarized as very hot, humid and a little damp.

April is in the spring in Ko Samui and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a steamy 32°C (89°F), whilst at night 25°C (76°F) is normal.

Ko Samui weather averages (imperial / metric)
Daytime temperature 31.8°C 89.2°F
Nightly temperature 24.7°C 76.4°F
Average temperature 28.2°C 82.8°F
Daily sunshine 8.3 hrs
Avg rainfall 85 mm 3.3 ins
Rainy days 8 days
Sea temperature 30°C 85.9°F
Humidity 78%
Windspeed 7.2kph 5 mph

On average April is the 3rd driest month of the year in Ko Samui with around 85mm 3.3 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.3 hours of sunshine per day.

April temperatures in Ko Samui

Ko Samui average temperature in April

April rainfall

Ko Samui average rain in April

April hourly sunshine

Ko Samui average rain in April

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Ko Samui in April 2024.

Other monthly averages

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Ko Samui weather stats

Ko Samui weather statistics
Hottest month: April 31.6°C 88.9°F
Driest month: February 39mm 1.5ins
Sunniest month: February 8.7hrs
Coldest month: January 28.4°C 83.1°F
Wettest month: November 463mm 18.2ins
Map showing location of Ko Samui (9.53567, 99.93567) Ko Samui map pin © Google

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