SeasonMapThailand in January
January is Thailand's best month (rank 1 of 12): its 19 destinations average 87/100, led by Hua Hin at 93 — 30°C and 2 rainy days — while Bangkok is warmer at 34°C and scores 79.
#1 of 12 months for Thailand · 19 destinations · updated September 2026 · climate normals from ERA5 reanalysis
Where in Thailand in January
| # | Place | Type | Feels-like high | Rain | Comfort | At its best |
|---|---|---|---|---|---|---|
| 1 | Hua Hin | Beach | 30°C | 18 mm · 2 days | 93 tier S | Yes |
| 2 | Ko Chang | Island | 29°C | 38 mm · 7 days | 92 tier S | Yes |
| 3 | Pattaya | Beach | 34°C | 14 mm · 4 days | 92 tier S | Yes |
| 4 | Khao Lak | Beach | 30°C | 45 mm · 9 days | 91 tier S | Yes |
| 5 | Ko Lanta | Island | 29°C | 43 mm · 5 days | 91 tier S | Yes |
| 6 | Ko Lipe | Island | 29°C | 26 mm · 6 days | 91 tier S | Yes |
| 7 | Krabi | Beach | 34°C | 48 mm · 7 days | 91 tier S | Yes |
| 8 | Chiang Mai | City | 30°C | 7 mm · 1 day | 90 tier S | Yes |
| 9 | Phuket | Beach | 33°C | 40 mm · 5 days | 90 tier S | Yes |
| 10 | Chiang Rai | City | 27°C | 35 mm · 3 days | 89 tier A | Yes |
| 11 | Ko Phi Phi | Island | 28°C | 37 mm · 5 days | 89 tier A | Yes |
| 12 | Ko Pha Ngan | Island | 27°C | 62 mm · 6 days | 87 tier A | Yes |
| 13 | Ko Samui | Island | 32°C | 60 mm · 7 days | 87 tier A | Yes |
| 14 | Ko Tao | Island | 26°C | 64 mm · 5 days | 87 tier A | Yes |
| 15 | Pai | Trekking hub | 29°C | 20 mm · 2 days | 87 tier A | Yes |
| 16 | Kanchanaburi | City | 31°C | 5 mm · 1 day | 83 tier A | Yes |
| 17 | Ayutthaya | City | 32°C | 7 mm · 1 day | 81 tier A | Yes |
| 18 | Bangkok | City | 34°C | 7 mm · 1 day | 79 tier B | Yes |
| 19 | Khao Sok | National park | 31°C | 45 mm · 7 days | 71 tier B | Yes |
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 January 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 January
- Christmas and New Year peak · Pattaya and 7 more places · 18 Dec – 5 Jan
- Chinese New Year · Ko Lipe · 20 Jan – 25 Feb (usually)
- Bo Sang Umbrella Festival · Chiang Mai · 15–25 Jan (usually)
- Wild Himalayan cherry on the hills · Chiang Mai · 20 Dec – 31 Jan (usually)
- Full Moon Party · Ko Pha Ngan · 1 Jan – 31 Dec
- Rafflesia in bloom · Khao Sok · 1 Jan – 15 Mar (usually)
- Morning mist on Cheow Lan · Khao Sok · 1 Nov – 15 Feb (usually)
- Wreck and reef diving season · Ko Chang · 1 Nov – 30 Apr (usually)
Peak crowds at 8 of Thailand's 12 well-known places this month.