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Weather in Ko Samui for April 2025

Your guide to Ko Samui weather in April - trends and predictions

    Temperatures

  • The forecast for the first days of April 2025 in Ko Samui predicts temperatures to be around 29 °C, close to the historical average.

  • In general, the average temperature in Ko Samui at the beginning of April is 28.3 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 30.1 °C by the end of April.

    • Rain 🌧️

  • Ko Samui experiences heavy rainfall in April, with over 20 rainy days and an average total precipitation 101 mm.

    • More

  • Is April a good time to visit Ko Samui? check out the best time to travel to Ko Samui page.

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
4
Dry days
Average rainy days
26
Rainy days
Average snowy days
0
Snow days
Average temperatures
29°/27°
Temperatures
Average wind speed
18 km/h
Avg max wind
Average humidity
72 %
Avg humidity

Ko Samui Weather April

Move between months or click on a day
March
May
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Moderate rain
28°
2
Heavy rain
26°
3
Heavy rain
29°
4
Moderate rain
28°
5
Moderate rain
29°
6
Patchy rain possible
29°
7
Moderate rain
29°
8
Patchy rain possible
29°
9
Patchy rain possible
29°
10
Patchy rain possible
29°
11
Sunny
30°
12
Sunny
29°
13
Sunny
29°
14
Moderate or heavy rain shower
30°
15
Moderate or heavy rain shower
30°
16
Sunny
30°
17
Patchy rain possible
30°
18
Moderate or heavy rain shower
30°
19
Moderate or heavy rain shower
30°
20
Patchy rain possible
30°
21
Patchy rain possible
30°
22
Moderate or heavy rain shower
30°
23
Patchy rain possible
30°
24
Patchy rain possible
30°
25
Patchy rain possible
30°
26
Heavy rain at times
30°
27
Sunny
30°
28
Patchy rain possible
31°
29
Moderate or heavy rain shower
30°
30
Moderate or heavy rain shower
30°
Select a date

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Access Ko Samui weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
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Temperatures trend during April in Ko Samui

See the weather trend as well as the moving average line
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April weather day by day

Click on a date for more information
March May
Date Weather Temperatures Rain UV More
1 Apr. Moderate rain
Moderate rain
 28° /26° 5.3 mm 2.6
2 Apr. Heavy rain
Heavy rain
 26° /24° 30.4 mm 0.4
3 Apr. Heavy rain
Heavy rain
 29° /27° 24.1 mm 3.3
4 Apr. Moderate rain
Moderate rain
 28° /28° 15.6 mm 6
5 Apr. Moderate rain
Moderate rain
 29° /28° 7.5 mm 6
6 Apr. Patchy rain possible
Patchy rain possible
 29° /27° 1.2 mm 6
7 Apr. Moderate rain
Moderate rain
 29° /28° 10 mm 6
8 Apr. Patchy rain possible
Patchy rain possible
 29° /28° 1.8 mm 6
9 Apr. Patchy rain possible
Patchy rain possible
 29° /28° 0.2 mm 6
10 Apr. Patchy rain possible
Patchy rain possible
 29° /28° 0.2 mm 6
11 Apr. Sunny
Sunny
 30° /28° 0 mm 7
12 Apr. Sunny
Sunny
 29° /28° 0 mm 7
13 Apr. Sunny
Sunny
 29° /29° 0.1 mm 7
14 Apr. Moderate or heavy rain shower
Moderate or heavy rain shower
 30° /27° 2.5 mm 7
15 Apr. Moderate or heavy rain shower
Moderate or heavy rain shower
 30° /27° 1.2 mm 7
16 Apr. Sunny
Sunny
 30° /27° 0.7 mm 7
17 Apr. Patchy rain possible
Patchy rain possible
 30° /27° 1.2 mm 7
18 Apr. Moderate or heavy rain shower
Moderate or heavy rain shower
 30° /27° 2.9 mm 7
19 Apr. Moderate or heavy rain shower
Moderate or heavy rain shower
 30° /27° 3.5 mm 7
20 Apr. Patchy rain possible
Patchy rain possible
 30° /27° 2.7 mm 6
21 Apr. Patchy rain possible
Patchy rain possible
 30° /27° 2.3 mm 7
22 Apr. Moderate or heavy rain shower
Moderate or heavy rain shower
 30° /28° 3.3 mm 7
23 Apr. Patchy rain possible
Patchy rain possible
 30° /27° 1.6 mm 7
24 Apr. Patchy rain possible
Patchy rain possible
 30° /27° 0.5 mm 7
25 Apr. Patchy rain possible
Patchy rain possible
 30° /27° 2 mm 7
26 Apr. Heavy rain at times
Heavy rain at times
 30° /27° 3.3 mm 7
27 Apr. Sunny
Sunny
 30° /27° 1 mm 7
28 Apr. Patchy rain possible
Patchy rain possible
 31° /28° 2.1 mm 7
29 Apr. Moderate or heavy rain shower
Moderate or heavy rain shower
 30° /27° 6.5 mm 7
30 Apr. Moderate or heavy rain shower
Moderate or heavy rain shower
 30° /27° 4.1 mm 7
Next
Important Notice
Our weather forecast for Ko Samui in April is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Ko Samui forecast closer to your planned date for the most up-to-date weather information.

Ko Samui in April - FAQ

What are the expected maximum and minimum temperatures in Ko Samui during April?
During April, expect a variety of temperatures with highs around 29° and lows near 27°, suitable for diverse activities and preferences.
How much rainfall should be expected in Ko Samui during April?
Significant rainfall exceeding 101 mm is expected in Ko Samui during April, occurring over more than 26 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Ko Samui during April?
The average wind speed in Ko Samui during April is 18 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Ko Samui in April?

As you prepare for your trip to Ko Samui in April, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Ko Samui, during April, is comfortable and enjoyable, regardless of the weather conditions.

  • Clothing
    • Lightweight Clothing: T-shirts, blouses, shorts, skirts
    • Rain Gear: Lightweight, waterproof clothing
  • Footwear
    • Waterproof Shoes
    • Sandals/Flip-flops: Comfortable for warm climates
  • Accessories
    • Sunglasses: For sun protection
    • Sun Hats: Wide-brimmed hats for sun protection in warm weather
    • Umbrellas/Raincoats: For rainy days
  • Personal Items
    • Sunscreen: High SPF for sunny destinations
    • Lip Balm with SPF: To protect against chapped lips

April rainfall patterns in Ko Samui

Explore the daily rainfall trends and prepare for Ko Samuis April weather 💧

UV exposure in Ko Samui during April

Stay informed about UV levels for safe outdoor activities throughout the month of April ☀️

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Get accurate weather forecasts for Ko Samui, located at latitude 9.536 and longitude 99.936. Stay updated with localized weather information tailored for Ko Samui.

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