SeasonMapThailand in April
April is Thailand's 5th-best month (rank 5 of 12): its 19 destinations average 69/100, led by Ko Tao at 84 — 34°C and 12 rainy days — while Ayutthaya is warmer at 42°C and scores 48.
#5 of 12 months for Thailand · 19 destinations · updated September 2026 · climate normals from ERA5 reanalysis
Where in Thailand in April
| # | Place | Type | Feels-like high | Rain | Comfort | At its best |
|---|---|---|---|---|---|---|
| 1 | Ko Tao | Island | 34°C | 105 mm · 12 days | 84 tier A | Yes |
| 2 | Hua Hin | Beach | 40°C | 80 mm · 14 days | 83 tier A | — |
| 3 | Ko Pha Ngan | Island | 36°C | 114 mm · 12 days | 82 tier A | — |
| 4 | Pattaya | Beach | 40°C | 87 mm · 13 days | 82 tier A | — |
| 5 | Ko Phi Phi | Island | 35°C | 130 mm · 17 days | 80 tier A | — |
| 6 | Ko Samui | Island | 39°C | 118 mm · 12 days | 80 tier A | — |
| 7 | Ko Lanta | Island | 40°C | 146 mm · 20 days | 79 tier B | — |
| 8 | Ko Lipe | Island | 36°C | 154 mm · 23 days | 79 tier B | — |
| 9 | Phuket | Beach | 40°C | 125 mm · 17 days | 79 tier B | — |
| 10 | Khao Lak | Beach | 40°C | 156 mm · 21 days | 78 tier B | — |
| 11 | Ko Chang | Island | 39°C | 135 mm · 21 days | 77 tier B | — |
| 12 | Krabi | Beach | 42°C | 183 mm · 22 days | 76 tier B | — |
| 13 | Chiang Rai | City | 39°C | 105 mm · 9 days | 59 tier D | — |
| 14 | Chiang Mai | City | 41°C | 28 mm · 4 days | 54 tier D | — |
| 15 | Bangkok | City | 42°C | 70 mm · 9 days | 51 tier D | — |
| 16 | Khao Sok | National park | 39°C | 177 mm · 21 days | 51 tier D | — |
| 17 | Ayutthaya | City | 42°C | 66 mm · 11 days | 48 tier F | — |
| 18 | Kanchanaburi | City | 42°C | 53 mm · 10 days | 45 tier F | — |
| 19 | Pai | Trekking hub | 38°C | 53 mm · 7 days | 45 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 April 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 April
- Whale shark season · Ko Tao · 15 Mar – 31 May (usually)
- Songkran · Ko Tao and 18 more places · 13–15 Apr
- Full Moon Party · Ko Pha Ngan · 1 Jan – 31 Dec
- Wan Lai · Pattaya · 16–20 Apr (usually)
- Manta and whale shark season · Khao Lak · 1 Feb – 5 May (usually)
- Hin Daeng and Hin Muang season · Ko Lanta · 1 Nov – 30 Apr (usually)
- Wreck and reef diving season · Ko Chang · 1 Nov – 30 Apr (usually)
Seasons in force
Peak crowds at 12 of Thailand's 12 well-known places this month.