Phuket
Thailand
Long-term weather forecast
Long-term weather forecast

January weather forecast and climate
Phuket, Thailand

A close view of beautiful long tail boats on the white sandy shores of a beach in Phuket, Thailand
A close view of beautiful long tail boats on the white sandy shores of a beach in Phuket, Thailand
An average low humidity of 70% introduces the moderately hot weather of January. The weather is mainly characterized by high temperatures in the range of 22°C (71.6°F) and 32°C (89.6°F), and up to eight hours of hot sun daily. A moderately dry month, January has only six rainy days with an average precipitation of 38.1mm (1.5").
Sunscreen is essential at this time since the UV index is at 11, way past the safe zone. Hats and umbrellas are recommended as is staying under the shade when outdoors.
Swimming in January is fabulous as the sea temperature is high at 28°C (82.4°F).
January weather is best for sight-seeing and relaxing in the renowned beach clubs that offer an attractive layout of the vast beaches and islands.
  • Average high temperature in January: 32.7°C

The warmest month (with the highest average high temperature) is March (34°C).
Months with the lowest average high temperature are September and October (31.5°C).

  • Average low temperature in January: 24.5°C

The month with the highest average low temperature is April (25.8°C).
The coldest month (with the lowest average low temperature) is December (24.4°C).

  • Average humidity in January: 70%

Months with the highest relative humidity are September and October (82%).
The month with the lowest relative humidity is February (69%).

  • Average rainfall in January: 30.3mm

The wettest month (with the highest rainfall) is September (361.2mm).
The driest month (with the lowest rainfall) is February (23.9mm).

  • Average rainfall days in January: 4 days

The month with the highest number of rainy days is September (23 days).
The month with the lowest number of rainy days is February (3 days).

  • Average sea temperature in January: 28°C

Best months for swimming (with the highest average sea temperature) are April, May and June (30°C).
Coldest months (with the lowest average sea temperature) are January, February and December (28°C).

  • Average daylight in January: 12.5h

Months with the longest days are June and July (Average daylight: 13.3h).
The month with shortest days is December (Average daylight: 12.4h).

  • Average sunshine in January: 9.2h

The month with most sunshine is February (Average sunshine: 9.7h).
The month with least sunshine is June (Average sunshine: 4.7h).

  • Average UV index in January: 11

Months with the highest UV index are February, March, April, May, June, July, August, September and October (UV index 12).
The month with the lowest UV index is December (UV index 10).

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