- Save up to 30% on tours to Asia with G Adventures
- Book tours, river cruises & sailing adventures
- Travel before 31st March 2022 (inclusive)
Ko Samui weather in April 2021
Get the latest coronavirus (COVID-19) updates for Thailand with current travel advice, statistics and online resources.
- 32°C max day temperature
32 - 8 hours of sunshine per day
- 8 days with some rainfall
8 - 25°C min night temperature
25 - 12 hours of daylight per day
12 - Very High heat & humidity
VH - 85 mm of monthly rainfall
85 - 11+ (Extreme) UV index
11 - 30°C sea temperature
30
Recommended for Thailand
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
The April weather guide for Ko Samui, Thailand shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Expires at 23:59 on Sunday 31st Jan 2021 · View all G Adventures offers
How hot is it in Ko Samui in April?
Daytime temperatures usually reach 32°C in Ko Samui in April with very high heat and humidity, falling to 25°C at night.
How sunny is it in Ko Samui in April?
There are normally 8 hours of bright sunshine each day in Ko Samui in April - that's 64% of daylight hours.
How warm is the sea around Ko Samui in April?
The average sea temperature around Ko Samui in April is 30°C.
Does it rain in Ko Samui in April?
There are usually 8 days with some rain in Ko Samui in April and the average monthly rainfall is 85mm.
Ko Samui sunrise & sunset times for April 2021
Browse the sunrise & sunset times for Ko Samui in April 2021. Select a month to view Ko Samui sunrise & sunset times for the next twelve months.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Thursday, 1st April 2021 | 06:17 | 18:30 |
| Thursday, 15th April 2021 | 06:10 | 18:30 |
| Friday, 30th April 2021 | 06:03 | 18:31 |
- Browse low fares on Qatar Airways flights worldwide
- Depart from regional airports acorss the UK
- Book flights the Middle East, Asia, Africa, Europe & the Americas
Metric (°C / mm) | Imperial (°F / inches)
Discover more about Thailand
Where is hot in Thailand in April for 2021/2022?
Below are average maximum temperatures at popular destinations in Thailand in April. Select a destination to see more weather parameters.
Be inspired
Get your weekly fix of holiday inspiration from some of the world's best travel writers plus save on your next trip with the latest exclusive offers
We promise not to share your details
Related posts
Popular travel offers
*affiliate links: find out how we are funded and why this helps us remain free to use.