Phuket, Thailand Climate & Monthly Averages

Thailand 🇹🇭 · tropical wet-and-dry climate
Annual avg
81°
Hottest month
April
Coldest month
November
Rainy days / yr
234
Sunshine
9.5 h/day
Right now: 82° and patchy rain nearby - see live conditions

The climate of Phuket

Temperature barely moves in Phuket - 2°C between the average April and the average November. Rainfall does the work instead: 10.5 inches (266 mm) in October against 1.3 inches (34 mm) in February.

Climate quick facts

  • Hottest month: April - highs near 89°F (32°C)
  • Coldest month: November - highs near 84°F (29°C)
  • Decade extremes (2015-2024): 99°F (37°C) high · 69°F (20°C) low
  • Wettest month: October (28 rainy days) · Sunniest: March (11.0 h sun/day)
  • Climate type: tropical wet-and-dry
  • Annual swing: 2°C between the average warmest and coolest month · day to night: 5°C
  • Months averaging 30°C or hotter: 4
  • Average humidity: 82%

Temperatures through the year

Warmth peaks in April: highs of 89°F (32°C), lows of 78°F (26°C). November bottoms out at 84°F (29°C) in daylight, 76°F (25°C) after dark. Relative humidity averages 82% across the year, more humid than 92% of the 3496 cities in our dataset - enough that summer afternoons feel hotter than the thermometer says, which is what the dew point converter is for.

Rain, sun and snow

Days and nights are about 5°C apart on average - narrower than all but 3% of the 3496 cities in our dataset. Average highs hold at or above 30°C for 4 months of the year, February through May being the unbroken run. Between the average April and the average November lie 2°C, a narrower spread than all but 4% of the 3496 cities in our dataset. October is the wettest month at 10.5 inches (266 mm) over 28 days; February is the driest. Across the gridded 2015-2024 daily record, the highest daily maximum for this location was 99°F (37°C) and the lowest daily minimum 69°F (20°C).

How Phuket compares

  • Phuket averages 81°F (27°C) across the year - warmer than 95% of the 3496 cities we track.
  • Rain or snow reaches the ground on 234 days a year - more wet days than 95% of the 3496 cities we track.
  • Annual precipitation is 76.5 inches (1942 mm) - wetter than 91% of the 3496 cities we track.

Ranked against every city in our dataset, each measured on the same ten-year window.

Monthly climate table

Monthly averages for Phuket based on 2015–2024 weather data.
MonthHighLow Rain daysPrecipitation SunshineHumidity
January 85° 76° 11 3.1 in 10.3 h/day 79%
February 88° 77° 7 1.3 in 10.9 h/day 74%
March 90° 78° 9 2.0 in 11.0 h/day 75%
April 89° 78° 18 4.4 in 10.6 h/day 79%
May 87° 78° 26 8.3 in 9.6 h/day 84%
June 85° 78° 21 7.3 in 9.3 h/day 84%
July 85° 78° 23 7.2 in 9.0 h/day 84%
August 85° 77° 24 7.8 in 9.0 h/day 84%
September 84° 76° 25 9.6 in 8.2 h/day 86%
October 84° 76° 28 10.5 in 8.5 h/day 87%
November 84° 76° 26 9.5 in 8.4 h/day 87%
December 84° 76° 18 5.6 in 9.5 h/day 83%

Phuket month by month

Phuket weather in January

January brings highs around 85°F (30°C), lows near 76°F (24°C), about 11 wet days.

Phuket weather in February

February brings highs around 88°F (31°C), lows near 77°F (25°C), about 7 wet days - typically the driest month of the year in Phuket.

Phuket weather in March

March brings highs around 90°F (32°C), lows near 78°F (26°C), about 9 wet days - typically the sunniest month of the year in Phuket.

Phuket weather in April

April brings highs around 89°F (32°C), lows near 78°F (26°C), about 18 wet days - typically the hottest month of the year in Phuket.

Phuket weather in May

May brings highs around 87°F (30°C), lows near 78°F (26°C), about 26 wet days.

Phuket weather in June

June brings highs around 85°F (30°C), lows near 78°F (25°C), about 21 wet days.

Phuket weather in July

July brings highs around 85°F (30°C), lows near 78°F (25°C), about 23 wet days.

Phuket weather in August

August brings highs around 85°F (29°C), lows near 77°F (25°C), about 24 wet days.

Phuket weather in September

September brings highs around 84°F (29°C), lows near 76°F (25°C), about 25 wet days.

Phuket weather in October

October brings highs around 84°F (29°C), lows near 76°F (24°C), about 28 wet days - typically the wettest month of the year in Phuket.

Phuket weather in November

November brings highs around 84°F (29°C), lows near 76°F (25°C), about 26 wet days - typically the coldest month of the year in Phuket.

Phuket weather in December

December brings highs around 84°F (29°C), lows near 76°F (24°C), about 18 wet days.

Seasons in Phuket

March through May

March through May in Phuket brings hot afternoons, with daytime highs averaging 88°F (31°C) and nights around 78°F (26°C); rain falls on around 53 of the 90 days. Daylight is generous - around 10.4 hours of sun a day.

June through August

Through June through August, Phuket sits firmly in the heat: 85°F (30°C) by day, 77°F (25°C) after dark, and rain falls on around 67 of the 90 days.

September through November

Through September through November, Phuket runs hot: 84°F (29°C) by day, 76°F (25°C) after dark, and rain falls on around 79 of the 90 days.

December through February

December through February brings hot afternoons here - highs near 86°F (30°C), nights near 76°F (25°C), and rain falls on around 35 of the 90 days. Daylight is generous - around 10.2 hours of sun a day.

Climate questions, answered

What is the average temperature in Phuket?
81°F (27°C) across all twelve months - about 86°F (30°C) by day and 77°F (25°C) after dark.
Is Phuket warmer or cooler than most cities?
Its 81°F (27°C) annual average is warmer than 95% of the 3496 cities in our dataset, which are all measured on the same 2015-2024 basis.
What should I pack for Phuket?
It depends on the month: April runs to 89°F (32°C) while November holds at 84°F (29°C). The full month-by-month breakdown is in the packing notes above.
Are nights cold in Phuket?
By about 5°C on an average day - a narrower day-to-night gap than most of the 3496 cities we track. In April that means 89°F (32°C) down to 78°F (26°C).
Is Phuket a wet city?
76.5 inches (1942 mm) a year across 234 wet days - more than 91% of the cities we cover.
How sunny is Phuket?
9.5 hours a day averaged over the year, peaking in March at 11.0 hours.

Best time to visit Phuket

The best time to visit Phuket is generally January to March and September to November, when humidity and rainfall are at their lowest, which is what actually varies here. Daytime temperatures in that window sit near 86°F (30°C), with rain on about 18 days a month. For the same question asked the other way round, see where else is warm in January.

Pack for Phuket with light clothing for the warm months, proper waterproofs rather than an umbrella - wet days are the norm here and moisture-wicking fabrics for the humidity. April nights average 78°F (26°C), so evenings rarely match the afternoons.

Phuket temperature records (2015-2024)

Highest recorded
99°
in April
Lowest recorded
69°
in January
Annual precipitation
76.5"
Snowy days / yr
0

Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ.