World Resorts Thailand Similan Weather

Similan weather in April

Weather in Similan: April

Average day temperature: 88.8°F
Average night temperature: 79.0°F
Sea water temperature: 86.3°F
Number of sunny days: 15 days
Day length: 12.2 - 12.4 hours
Number of rainy days: 11 days
Precipitation totals: 4.9 in.

Air temperature in April, °F

Show year:
2026
2025
2024

The highest day temperature during April of 2026 was 87°F. At the same time the lowest night temperature was 77°F. Daily and nightly averages during April were 86.2°F and 79.8°F.

Sea water temperature in Similan in April, °F

Show year:
2026
2025
2024

The average sea water temperature in April of 2026 was 86.9°F. The highest and lowest sea temperatures during the month were 88.2°F and 86.2°F.

Sunny, partly cloudy and cloudy days

Mostly all days in April are partly cloudy but sunny or cloudy days are also possible.

Precipitation total in April, in.

Precipitation total value in Similan in April is 4.5 in.

Wind speed in April, mph

The average wind speed value in April is 5.3 mph It makes April one of the least windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in April is: 6.8.

Best time for vacation in Similan

Sunniest months:
March 20 days
February 19 days
January 16 days
Warmest months:
April 88.8 °F
March 88.6 °F
May 88.1 °F
Warmest sea temp:
May 86.4 °F
April 86.3 °F
March 85.2 °F
Coldest months:
September 84.9 °F
August 85.5 °F
July 85.6 °F
Rainiest months:
July 17 days
August 15 days
October 15 days
Windiest months:
July 9.1 mph
August 8.5 mph
June 8.5 mph

Similan on a weather map

Similan
+81°F
E 6 mph
Feels like: +88°F
Precip.: 100%
Places in Thailand:
Name
°F
+84°F
+81°F
+81°F
+81°F
+82°F
+84°F
+84°F
+81°F
+82°F
+84°F
+81°F
+84°F
+81°F
24 Hours Forecast
Similan
Local time: 06:08
May 16, saturday
0900
82°F
NE
7 mph
1200
82°F
NE
9 mph
1500
82°F
E
11 mph
1800
81°F
E
8 mph
2100
81°F
NE
6 mph
May 17, sunday
0000
81°F
NE
6 mph
0300
81°F
E
9 mph
0600
79°F
E
12 mph

Best place for vacation:

Units of measurement: °C / °F