Loh Ba Gao Beach, Ko Phi Phi Loh Ba Gao Beach – Image courtesy of Phi Phi Island Village Beach Resort & Spa

Best time to visit Thailand

The best time to visit Thailand is between November and February, when the country is mainly dry and not too hot, typically averaging 28°C (82°F).


Thailand's weather

Northern and Central Thailand, including Chang Mai and Bangkok, experience three distinct seasons:
hot and humid – March to May, average 35°C (95°F);
hot and wet – June to October, average 32°C (89°F) (October is the wettest month); and
warm and dry – November to February, average 28°C (82°F).

Typically, the Southern Thailand peninsula is best enjoyed during the dry season from December to early February, averaging 30°C (86°F).

Both Cha-Am and Hua Hin are year-round destinations.

However, the east and west coasts of Southern Thailand experience alternate peak seasons and weather patterns.

East coast – Ko Samui and the east coast islands are best from February to October.

West coast – the best time to visit Phuket, Krabi and Phi Phi Island is between November and April.


Seasons

High season: Peak tourist season runs from November to late March, with peaks in July and August.

Low season: Avoid the crowds and take advantage of discounted room rates during April to June, September and October.


Best time for activities

Rafting is best between July and October when most rivers are swollen with monsoon rain.

Both biking and trekking are best in the dry season from November to early March – but bring a sweater, as nights in northern Thailand can get pretty chilly.


Chiang Mai – Monthly Weather

J F M A M J J A S O N D
Ave Temp (°C) 21 23 27 29 28 28 27 27 27 26 24 21
Ave High Temp (°C) 28 31 34 36 33 32 31 31 31 31 29 27
Ave Low Temp (°C) 14 15 18 22 23 24 23 23 23 22 19 15
Sunshine (Hrs daily) 9 9 9 9 8 6 5 4 6 7 8 9
Daylight (Hrs daily) 11 12 12 13 13 13 13 13 12 12 11 11
Comfort Level Moderately warm icon Moderately hot icon Extreme heat & humidity icon Extreme heat & humidity icon Very high heat & humidity icon High heat & humidity icon High heat & humidity icon High heat & humidity icon High heat & humidity icon Moderately hot icon Moderately warm icon Moderately warm icon
Ave Humidity (%) 70 55 55 60 75 80 80 85 85 80 75 75
UV Index 9 11 11 11 11 11 11 11 11 11 9 8
Days with some Rain 1 1 3 7 17 18 21 23 20 12 5 2
Ave Rainfall (mm) 8 6 10 40 150 130 160 220 250 130 40 10
(Chiang Mai, Thailand) J F M A M J J A S O N D

More information about Chang Mai weather


Bangkok – Monthly Weather

J F M A M J J A S O N D
Ave Temp (°C) 26 28 29 30 30 29 29 28 28 28 27 26
Ave High Temp (°C) 31 32 33 34 33 32 32 32 31 31 31 30
Ave Low Temp (°C) 21 23 25 26 26 26 25 26 25 25 23 21
Sunshine (Hrs daily) 9 9 9 9 7 7 6 6 6 6 8 9
Daylight (Hrs daily) 11 12 12 12 13 13 13 13 12 12 11 11
Comfort Level Moderately hot icon High heat & humidity icon Extreme heat & humidity icon Extreme heat & humidity icon Extreme heat & humidity icon High heat & humidity icon High heat & humidity icon High heat & humidity icon High heat & humidity icon High heat & humidity icon Moderately hot icon Moderately hot icon
Ave Humidity (%) 70 70 70 75 75 75 75 80 80 80 70 65
UV Index 10 11 11 11 11 11 11 11 11 11 10 9
Days with some Rain 2 2 5 8 17 18 19 21 22 16 5 2
Ave Rainfall (mm) 10 20 30 70 190 150 150 180 320 230 50 10
(Bangkok, Thailand) J F M A M J J A S O N D

More information about Bangkok weather


Hua Hin – Monthly Weather

J F M A M J J A S O N D
Ave Temp (°C) 26 28 29 30 30 30 29 29 29 28 27 26
Ave High Temp (°C) 30 32 33 34 34 33 33 33 33 31 30 29
Ave Low Temp (°C) 22 23 24 26 26 26 25 25 25 24 24 22
Sunshine (Hrs daily) 9 9 10 9 8 7 7 7 7 7 8 9
Daylight (Hrs daily) 11 12 12 12 13 13 13 13 12 12 12 11
Comfort Level Moderately hot icon High heat & humidity icon Very high heat & humidity icon Extreme heat & humidity icon Extreme heat & humidity icon High heat & humidity icon Very high heat & humidity icon Very high heat & humidity icon Very high heat & humidity icon High heat & humidity icon High heat & humidity icon Moderately hot icon
Ave Humidity (%) 75 75 75 75 75 75 75 76 80 80 75 70
UV Index 10 11 11 11 11 11 11 11 11 11 10 9
Days with some Rain 1 1 3 3 9 10 12 12 13 14 4 1
Ave Rainfall (mm) 10 30 20 40 100 80 100 90 100 260 140 10
Sea Temp (°C) 28 28 29 30 30 30 29 29 29 29 29 28
(Hua Hin, Thailand) J F M A M J J A S O N D

More information about Hua Hin weather


Ko Samui – Monthly Weather

J F M A M J J A S O N D
Ave Temp (°C) 27 27 28 28 29 29 29 29 28 28 27 26
Ave High Temp (°C) 29 30 31 32 33 32 32 32 32 31 30 29
Ave Low Temp (°C) 24 25 26 26 26 26 25 25 25 25 24 24
Sunshine (Hrs daily) 7 8 8 8 6 6 6 6 6 6 6 7
Daylight (Hrs daily) 12 12 12 12 13 13 13 12 12 12 12 12
Comfort Level Moderately hot icon High heat & humidity icon High heat & humidity icon Very high heat & humidity icon Very high heat & humidity icon Very high heat & humidity icon Very high heat & humidity icon Very high heat & humidity icon Very high heat & humidity icon High heat & humidity icon High heat & humidity icon Moderately hot icon
Ave Humidity (%) 85 85 85 80 80 80 80 80 80 85 85 85
UV Index 11 11 11 11 11 11 11 11 11 11 11 10
Days with some Rain 7 5 5 5 9 9 9 10 11 16 15 9
Ave Rainfall (mm) 90 30 30 80 160 100 120 100 130 290 430 150
Sea Temp (°C) 28 28 29 30 30 30 29 29 29 29 29 28
(Ko Samui, Thailand) J F M A M J J A S O N D

More information about Ko Samui weather


Phuket – Monthly Weather

J F M A M J J A S O N D
Ave Temp (°C) 27 28 29 29 29 29 28 28 27 28 27 27
Ave High Temp (°C) 32 33 34 33 32 32 31 31 30 31 31 31
Ave Low Temp (°C) 22 23 23 24 25 25 25 25 24 24 23 23
Sunshine (Hrs daily) 8 9 8 9 8 7 8 8 7 7 7 8
Daylight (Hrs daily) 12 12 12 12 12 13 13 12 12 12 12 12
Comfort Level Very high heat & humidity icon Very high heat & humidity icon Extreme heat & humidity icon Very high heat & humidity icon Very high heat & humidity icon Very high heat & humidity icon High heat & humidity icon High heat & humidity icon High heat & humidity icon High heat & humidity icon High heat & humidity icon High heat & humidity icon
Ave Humidity (%) 75 75 75 80 85 85 85 85 85 90 85 80
UV Index 11 11 11 11 11 11 11 11 11 11 11 10
Days with some Rain 6 4 8 11 18 18 19 19 21 23 16 10
Ave Rainfall (mm) 40 30 40 150 200 240 300 260 400 280 200 60
Sea Temp (°C) 28 29 29 30 30 30 30 29 29 29 29 28
(Phuket, Thailand) J F M A M J J A S O N D

More information about Phuket weather


Note: Meteorological data is sourced from the United States National Oceanic and Atmospheric Administration (NOAA) and the World Meteorological Organization (WMO), with additional historical climate data sourced from the Thai Meteorological Department.


More about Thailand…


Latest update: Best time to visit Thailand: 14 January, 2020


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