SeasonMapThailand 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
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)
Seasons in force
Peak crowds at 2 of Thailand's 12 well-known places this month.