Asia & Middle East

Thailand: weather & best time to visit

8 destinations with long-term climate data. Best time to visit overall: November – March.

Weather by month

Daytime highs and sea temperatures range across the destinations; the score is their average. Best months are marked.

Month	Score	Air	Sea	Best weather
JanuaryJan	89	28–31°	27–29°	Pattaya
FebruaryFeb	89	28–32°	28–29°	Pattaya
MarchMar	78	29–34°	29°	Koh Samui
AprilApr	69	30–36°	30°	Koh Samui
MayMay	59	29–33°	30–31°	Koh Samui
JuneJun	59	29–32°	30°	Koh Samui
JulyJul	59	29–32°	29–30°	Koh Samui
AugustAug	60	28–32°	29–30°	Koh Samui
SeptemberSep	59	28–31°	29°	Koh Samui
OctoberOct	62	28–31°	29–30°	Koh Samui
NovemberNov	74	28–31°	29°	Pattaya
DecemberDec	84	27–31°	28–29°	Pattaya

Destinations8

Ao Nang, Krabi
Sun, sea & sandBest time to visit:Jan – Mar
1. 88
2. 93
3. 82
4. 74
5. 70
6. 69
7. 68
8. 68
9. 66
10. 66
11. 67
12. 76
Bangkok
City breakBest time to visit:Nov – Feb
1. 74
2. 66
3. 53
4. 36
5. 25
6. 28
7. 29
8. 28
9. 32
10. 38
11. 63
12. 75
Chiang Mai
City breakBest time to visit:Nov – Jan
1. 92
2. 73
3. 54
4. 48
5. 33
6. 31
7. 34
8. 38
9. 41
10. 52
11. 82
12. 94
Hua Hin
Sun, sea & sandBest time to visit:Nov – Mar
1. 98
2. 96
3. 85
4. 71
5. 62
6. 63
7. 65
8. 65
9. 64
10. 68
11. 87
12. 98
Khao Lak
Sun, sea & sandBest time to visit:Jan – Mar
1. 88
2. 94
3. 82
4. 75
5. 70
6. 69
7. 68
8. 68
9. 66
10. 66
11. 69
12. 78
Koh Samui
Sun, sea & sandBest time to visit:Jan – Apr
1. 86
2. 96
3. 93
4. 85
5. 74
6. 73
7. 71
8. 72
9. 70
10. 69
11. 69
12. 74
Patong, Phuket
Sun, sea & sandBest time to visit:Jan – Mar
1. 88
2. 94
3. 84
4. 75
5. 70
6. 69
7. 68
8. 68
9. 66
10. 66
11. 69
12. 78
Pattaya
Sun, sea & sandBest time to visit:Nov – Apr
1. 98
2. 97
3. 93
4. 85
5. 70
6. 73
7. 69
8. 70
9. 66
10. 69
11. 87
12. 99

More from Asia & Middle East

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, GeoNames (CC BY 4.0)