World Resorts Thailand Phuket Weather

Phuket weather in May

Weather in Phuket: May

Average day temperature: 88.1°F
Average night temperature: 82.6°F
Sea water temperature: 86.7°F
Number of sunny days: 9 days
Day length: 12.4 - 12.6 hours
Number of rainy days: 13 days
Precipitation totals: 7.9 in.

Air temperature in May, °F

Show year:
2025
2024
2023

The highest day temperature during May of 2025 was 92°F. At the same time the lowest night temperature was 72°F. Daily and nightly averages during May were 85.3°F and 74.2°F.

Sea water temperature in Phuket in May, °F

Show year:
2025
2024
2023

The average sea water temperature in May of 2025 was 86.6°F. The highest and lowest sea temperatures during the month were 87.1°F and 85.8°F.

Sunny, partly cloudy and cloudy days

Mostly all days in May are cloudy but sunny and partly cloudy days are also possible.

Precipitation total in May, in.

Precipitation total value in Phuket in May is 8.3 in.

Wind speed in May, mph

The average wind speed value in May is 7.7 mph It makes May 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 May is: 5.1.

Best time for vacation in Phuket

Sunniest months:
March 21 days
February 19 days
April 17 days
Warmest months:
March 89.5 °F
April 88.8 °F
May 88.1 °F
Warmest sea temp:
May 86.7 °F
April 86.4 °F
June 85.8 °F
Coldest months:
September 85.7 °F
December 86.1 °F
October 86.2 °F
Rainiest months:
September 15 days
July 15 days
October 15 days
Windiest months:
July 11.0 mph
September 10.8 mph
August 10.7 mph

Phuket on a weather map

Phuket
+84°F
E 7 mph
Feels like: +91°F
Precip.: 0%
Places in Thailand:
Name
°F
+90°F
+84°F
+84°F
+84°F
+84°F
+84°F
+84°F
+86°F
+84°F
+84°F
+84°F
+84°F
+86°F
+88°F
24 Hours Forecast
Phuket
Local time: 17:25
June 17, tuesday
1800
84°F
E
7 mph
2100
82°F
E
7 mph
June 18, wednesday
0000
81°F
E
8 mph
0300
81°F
E
9 mph
0600
81°F
E
9 mph
0900
82°F
E
9 mph
1200
84°F
E
10 mph
1500
84°F
E
11 mph
Units of measurement: °C / °F