Thailand in August

August is Thailand's 9th-best month (rank 9 of 12): its 19 destinations average 63/100, led by Ko Samui at 82 — 38°C and 18 rainy days — while Ko Tao is cooler at 31°C and scores 79.

#9 of 12 months for Thailand · 19 destinations · updated September 2026 · climate normals from ERA5 reanalysis

🇹🇭 Thailand, month by month

63/100 in August

Where in Thailand in August

#	Place	Type	Feels-like high	Rain	Comfort	At its best
1	Ko Samui	Island	38°C	77 mm · 18 days	82 tier A	—
2	Ko Pha Ngan	Island	35°C	112 mm · 20 days	79 tier B	—
3	Ko Tao	Island	31°C	121 mm · 19 days	79 tier B	—
4	Pattaya	Beach	37°C	154 mm · 24 days	74 tier B	—
5	Hua Hin	Beach	38°C	140 mm · 23 days	72 tier B	—
6	Ko Lipe	Island	34°C	224 mm · 21 days	72 tier B	—
7	Ko Phi Phi	Island	33°C	237 mm · 23 days	69 tier C	—
8	Ko Lanta	Island	36°C	256 mm · 25 days	68 tier C	—
9	Krabi	Beach	37°C	272 mm · 25 days	67 tier C	—
10	Phuket	Beach	37°C	268 mm · 23 days	65 tier C	—
11	Khao Lak	Beach	36°C	318 mm · 25 days	60 tier C	—
12	Kanchanaburi	City	39°C	127 mm · 21 days	59 tier D	—
13	Bangkok	City	39°C	139 mm · 23 days	57 tier D	—
14	Ko Chang	Island	36°C	509 mm · 31 days	56 tier D	—
15	Khao Sok	National park	35°C	273 mm · 26 days	55 tier D	—
16	Ayutthaya	City	38°C	174 mm · 24 days	54 tier D	—
17	Pai	Trekking hub	34°C	329 mm · 29 days	49 tier F	—
18	Chiang Mai	City	38°C	244 mm · 25 days	46 tier F	—
19	Chiang Rai	City	37°C	392 mm · 28 days	40 tier F	—

Comfort is SeasonMap's 0–100 score; each place is judged through the lens that suits it — beaches on beach weather, ski resorts on snow. "At its best" means August is one of that place's own top three months. Feels-like highs fold in humidity, wind and sun.

What's on in Thailand in August

Full Moon Party · Ko Pha Ngan · 1 Jan – 31 Dec
Waterfalls at full flow · Chiang Mai · 1 Aug – 15 Oct (usually)
Asalha Bucha and Khao Phansa · Kanchanaburi and 1 more place · 5 Jul – 5 Aug (usually)
Asalha Bucha and Khao Phansa · Ayutthaya · 5 Jul – 5 Aug (usually)

Seasons in force

Monsoon · 13 places Dry season · 3 places Off-season shutdown · 3 places Rip currents & big surf · 3 places Flood season · 1 place

Peak crowds at 2 of Thailand's 12 well-known places this month.

Better months for Thailand

January · 84/100 February · 84/100 December · 81/100 Weakest: September · 57/100

← Thailand in July Thailand in September →Best time to visit Thailand, month by month Compare: Ko Samui vs Ko Pha Ngan in August