Temperature
Hot by day, warm at night.
Hot days and some sun. Typhoon risk and humid air are the main drawbacks.
Hot by day, warm at night.
It rains on most days, but usually in brief, on-and-off spells. About 21 wet days this month.
Cloudier spells limit sunshine.
Very hot days with very humid air.
In June, afternoons feel about 89° and nights feel near 86°.
Overcast skies this month.
June's typical breeze keeps the air from feeling as stagnant.
June stays around 83°F through the day and night, with little temperature relief.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% | Sea°F |
|---|---|---|---|---|---|---|---|
| Jan | 85 | 77 | 5.0 | 10 | 6.4 | 78 | 83 |
| Feb | 85 | 78 | 2.5 | 5 | 7.6 | 78 | 83 |
| Mar | 87 | 79 | 4.6 | 9 | 7.7 | 79 | 85 |
| Apr | 90 | 80 | 3.3 | 11 | 6.7 | 79 | 86 |
| May | 93 | 80 | 5.2 | 21 | 6.2 | 79 | 87 |
| Jun | 93 | 79 | 5.3 | 21 | 5.0 | 78 | 86 |
| Jul | 92 | 78 | 4.6 | 21 | 5.0 | 79 | 85 |
| Aug | 92 | 78 | 4.0 | 18 | 4.9 | 79 | 85 |
| Sep | 90 | 78 | 4.6 | 23 | 4.8 | 81 | 85 |
| Oct | 89 | 77 | 11.6 | 28 | 4.7 | 82 | 85 |
| Nov | 86 | 76 | 17.5 | 21 | 5.8 | 82 | 84 |
| Dec | 85 | 76 | 10.4 | 14 | 5.7 | 78 | 83 |
Similar climates
Want a side-by-side climate view? Compare Ko Samui with Nosara.
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jun 28, 2026
Data & methodology