Your trips
Organise your trips easily with tabs
London
Ko Samui
Any date
+ Search
background

Ko Samui in February: Weather, Average temperature and Climate

Take a look at past year’s weather for Ko Samui in February and see if it is worth visiting.
Check flight prices to Ko Samui on Avionero:
February

Weather in Ko Samui in February 2025

Good Weather
Warm
☁️
Cloudy
🌊
Very warm water
Are you considering a trip to Ko Samui in February? Well, the weather is usually on your side with an average maximum temperature of +26°C and about 5 sunny days. Just keep in mind that there may be some rain, with an average of 11 rainy days and 29 mm of precipitation. Expect good weather and pack accordingly to enjoy the outdoors. Search flights in one click on Avionero.

Average weather

☀️
+26°C
Avg. max. temperature
+17°C
Min.
+32°C
Max.
29 mm
Total precipitation
78%
Avg. humidity
3 m/s
Avg. wind
5 ☀️
Sunny Days
11 ⛅️
Cloudy
11 🌦
Rainy
Our opinion: Ko Samui has good weather in February.

Average temperature in Ko Samui in February

Here are the expected maximum, average and minimum temperatures in Ko Samui for February based on the historical data.
Last Year
Historical Data

The temperature in February is +26°C on average, with a range between a maximum of +28°C during the day and a minimum of +20°C at night.

The average maximum temperature goes up 0% by the end of the month, compared with the beginning of the month, from +26°C to +26°C.

Is Ko Samui warm or cold in February?

Ko Samui is typically warm in February.

Maximum temperatures go up compared to the previous month from +25°C to +26°C. The minimum temperature also goes up from +24°C to +24°C.

It’s generally warm, but pack a long-sleeve shirt for evenings.

February is one of the coolest months in Ko Samui, here is the comparison with other months:

Water temperature in Ko Samui in February

Water in Ko Samui in February is Very warm. It varies from +27°C to +29°C, with an average of +28°C. Note that the air temperature is lower than the water temperature, averaging around +26°C.

The water temperature in February is one of the coldest of the entire year:

The warmest water temperatures in Ko Samui are reached in May, when the average sea temperature rises to +30°C. The coldest water temperatures are in January, with an average of +28°C.

Can you swim in Ko Samui in February?

You can definitely swim in Ko Samui in February, the water is very warm (+28°C in average), and might even be unpleasant for ones who like it more fresh.
🦭
Cold
Below +16°C
🏄‍♂️
Fresh
16°C - 21°C
🏊
Comfortable
21°C - 25°C
👙
Warm
25°C - 28°C
🔥
Very warm
+28°C and up
Don't forget sunscreen and a hat, it's going to be hot!

Climate in Ko Samui in February

Ko Samui weather looks like this, on average, in February and the surrounding months.
JanuaryFebruaryMarch
Avg. temperature
+25°C+26°C+27°C
Min. temperature
+18°C+17°C+21°C
Max. temperature
+30°C+32°C+31°C
Rainfall
47 mm29 mm60 mm
Wind
3 m/s3 m/s3 m/s
Avg. water temperature
+28°C+28°C+29°C
Humidity
79%78%78%
Air pressure
1011 HPa1011 HPa1010 HPa
Sunny days
356
Cloudy days
111110
Rainy days
161111
Snowy days
000

February weather is still as good as in January. It’s getting warmer as February arrives. The average maximum temperature goes up from +25°C to +26°C during the day. As February arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 47 mm to 29 mm. It feels drier, as humidity decreases from 79% to 78%. The average wind speed doesn’t change much during February, staying around 3 m/s. The good news is there are likely to be more sunny days in February, from 3 to 5.

Next month (March) brings a further decline in the weather.

Wind

Wind speed in Ko Samui in February based on historical data.
Last Year
Historical Data

The average wind speed is 3 m/s getting up to 5 m/s which is a light breeze; barely moving the tree leaves.

The average wind speed in Ko Samui is gradually increasing during February, going from 2 m/s to 3 m/s over the course of the month.

Rain

Amount of rainfall in mm during February in Ko Samui based on historical data.
Last Year
Historical Data
A chance of rain on a typical day in February stands at 21%, leading to total precipitation of around 25 mm. The maximum amount of rainfall per day is around 9 mm, which is considered light rain. On average, there are about 6 rainy days during February, so prepare to bring an umbrella.
Here’s how February is compared with other months in the amount of precipitation, total mm:
Ko Samui wettest month is November, where a typical day has a 57% chance of precipitation and 278 mm of rainfall per day. February, on the other hand, is the driest month with a mere 38% chance of precipitation and 29 mm of rainfall per day.

How was the weather last February in Ko Samui?

This is the weather in Ko Samui in February 2023:
1 February
☀️
+26°C
2 February
☀️
+26°C
3 February
🌧️
+25°C
4 February
☀️
+26°C
5 February
☀️
+26°C
6 February
☀️
+26°C
7 February
☀️
+27°C
8 February
☀️
+26°C
9 February
🌧️
+26°C
10 February
☀️
+26°C
11 February
☀️
+26°C
12 February
☀️
+26°C
13 February
☀️
+28°C
14 February
☀️
+27°C
15 February
☀️
+26°C
16 February
🌧️
+26°C
17 February
🌧️
+25°C
18 February
🌧️
+27°C
19 February
☀️
+26°C
20 February
🌧️
+26°C
21 February
🌧️
+25°C
22 February
☀️
+26°C
23 February
☀️
+25°C
24 February
☀️
+26°C
25 February
🌧️
+26°C
26 February
☀️
+26°C
27 February
☀️
+26°C
28 February
☀️
+26°C
In February 2023 Ko Samui had 20 sunny days, 0 cloudy days, and 8 rainy days. The average maximum temperature was +26°C, with an absolute maximum of +28°C and a minimum of +25°C. The average humidity was 78%, with a maximum of 100% and a minimum of 51%. The average wind speed was 3 m/s, with a maximum of 8 m/s and a minimum of 0 m/s.
Are you planning a trip in February?

Climate Change over Years

This is how Ko Samui climate have been changing during last 43 years period.

The climate in Ko Samui in February has not changed much over the last 43 years.

The average temperature was the lowest in 1986 (+26°C) and the highest in 2012 (+28°C). The driest year was 1997 with only 927 mm of rainfall, and the wettest year was 1999 with 1981 mm.

FAQ

Frequently asked questions about the weather in Ko Samui in February:

Is February a good time to visit Ko Samui?

February is a really good time to go to Ko Samui. The weather is nice so plan your packing around outdoor activities and exploring. Check out other good time to visit Ko Samui.

Can you sunbathe in Ko Samui in February?

February is warm in Ko Samui. You may enjoy some beach or pool time in the day, but pack something a tad warmer for the evening.

Can you swim in Ko Samui in February?

Yes, you can swim in Ko Samui in February, the water is very warm, with temperature averaging at +28°C, but it's important to manage hydration and sun exposure.

Is Ko Samui rainy in February?

Ko Samui is usually dry in February. Plan your packing around outdoor activities and exploring.

Is it sunny in Ko Samui in February?

Usually, it’s not very sunny in Ko Samui in February, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in Thailand

Check out the weather for other cities in Thailand.

Monthly weather in Ko Samui

Source of the data

For this page, we’ve looked at the typical weather in Ko Samui, 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.