Thailand climate by month
8-year averages · when to visit| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Bangkok | 32° | 32° | 33° | 34° | 33° | 33° | 32° | 31° | 31° | 31° | 31° | 32° |
| Phuket | 30° | 32° | 33° | 32° | 31° | 30° | 30° | 30° | 29° | 29° | 29° | 29° |
| Koh Samui | 26° | 26° | 28° | 29° | 29° | 29° | 29° | 29° | 27° | 26° | 26° | 25° |
| Chiang Mai | 27° | 30° | 34° | 35° | 34° | 31° | 30° | 29° | 30° | 29° | 29° | 27° |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Bangkok | 4 | 7 | 8 | 13 | 21 | 24 | 27 | 27 | 28 | 22 | 10 | 4 |
| Phuket | 10 | 7 | 12 | 19 | 26 | 22 | 21 | 22 | 24 | 29 | 26 | 17 |
| Koh Samui | 18 | 15 | 11 | 16 | 20 | 17 | 18 | 19 | 21 | 28 | 25 | 19 |
| Chiang Mai | 4 | 2 | 2 | 7 | 20 | 27 | 28 | 30 | 26 | 17 | 9 | 3 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Phuket | 29° | 30° | 31° | 31° | 32° | 31° | 30° | 31° | 30° | 30° | 30° | 29° |
| Koh Samui | 29° | 29° | 30° | 32° | 32° | 31° | 31° | 31° | 30° | 30° | 29° | 29° |
Figures are averaged over 8 years of ERA5 reanalysis; sea temps come from ocean reanalysis, and UV is derived from solar elevation.
Bangkok climate in April
8-year averages · when to visitBest months: January–March, May–June, August–December · April: Acceptable
| March | April | May | |
|---|---|---|---|
| Average temperature | ▲ 29°C | 30°C | ▼ 29°C |
| Typical high | ▲ 33°C | 34°C | ▼ 33°C |
| Typical low | ▲ 26°C | 27°C | → 27°C |
| Precipitation | ▲ 47 mm | 95 mm | ▲ 172 mm |
| Wet days | ▲ 8 d | 13 d | ▲ 21 d |
| Sunshine per day | → 10.7 h | 10.7 h | ▼ 10.0 h |
| Cloud cover | ▲ 12% | 14% | ▲ 22% |
| Midday UV | ▲ 11 | 12 | → 12 |
| Daylight | 12:04 | 12:27 | 12:46 |
| Our take | Good | Acceptable | Good |
April temperatures day by day daily mean + smoothed trend · °C
April precipitation day by day mm
April UV day by day clear-sky midday value
Figures are averaged over 8 years of ERA5 reanalysis; sea temps come from ocean reanalysis, and UV is derived from solar elevation.
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Updated: 9:11 AM
Thailand · 12 weather points · Climate reference: Bangkok (13.76°N, 100.50°E) · Asia/Bangkok