Climate & Weather in Koh Samui, 🇹🇭 Thailand - Monthly Averages, Forecast & Air Quality
🇹🇭 Koh Samui,
Thailand
#391
Nomad Score
7.0
Coords
9.5532650, 100.0392660
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CURRENT CONDITIONS
Temperature
28.6°C
/
26.3°C
Feels Like
33.3°C / 30.7°C
Weather
🌧️ Slight rain showers
Humidity
%
Wind
20.9 km/h
(gusts 55.1)
UV Index
7.9
Sunrise / Sunset
06:11
/
18:33
Daylight
12.4 hrs
7-DAY FORECAST
| Date | Weather | High | Low | Rain % |
|---|---|---|---|---|
| Mon 24 Aug | 🌧️ Slight rain showers | 28.6° | 26.3° | 98% |
| Tue 25 Aug | 🌧️ Light drizzle | 30.0° | 26.2° | 63% |
| Wed 26 Aug | 🌧️ Slight rain showers | 31.1° | 26.0° | 71% |
| Thu 27 Aug | 🌧️ Slight rain showers | 30.3° | 25.0° | 72% |
| Fri 28 Aug | 🌧️ Slight rain showers | 30.0° | 25.0° | 82% |
| Sat 29 Aug | ⛈️ Thunderstorm | 28.8° | 25.0° | 73% |
| Sun 30 Aug | 🌧️ Light drizzle | 27.5° | 25.0° | 80% |
BEST MONTHS TO VISIT
| Month | Rating | Avg High | Avg Low | Rain Days |
|---|---|---|---|---|
| March | Good | 30.0°C | 25.5°C | 11.6 |
| January | Good | 28.0°C | 24.4°C | 15.5 |
| December | Good | 27.9°C | 24.4°C | 17.2 |
| February | Fair | 28.9°C | 24.6°C | 15.1 |
| April | Fair | 31.4°C | 26.4°C | 15.0 |
| November | Fair | 28.1°C | 24.5°C | 24.8 |
| October | Fair | 29.1°C | 24.8°C | 25.5 |
| September | Fair | 29.9°C | 25.4°C | 20.8 |
| July | Fair | 30.8°C | 25.9°C | 19.4 |
| August | Fair | 30.9°C | 25.7°C | 19.2 |
| May | Fair | 31.1°C | 26.4°C | 19.7 |
| June | Fair | 31.5°C | 26.3°C | 16.2 |
TEMPERATURE BY MONTH
PRECIPITATION & RAIN DAYS
SUNSHINE, UV & HUMIDITY
AIR QUALITY
26
🟢 Good
US Air Quality Index
European AQI: 17
PM2.5
4.2 µg/m³
PM10
6.2 µg/m³
Ozone
42.0 µg/m³
NO₂
1.6 µg/m³
SO₂
0.6 µg/m³
CO
111.0 µg/m³
UV Index
0.0
Dust
0.0 µg/m³
MONTHLY CLIMATE DATA
| Month | High | Low | Mean | Feels Hi | Feels Lo | Precip | Rain Days | Snow | Sun | Daylight | UV | Humidity | Wind | Clouds |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | 28.0° | 24.4° | 26.1° | 31.9° | 27.8° | 54.3 mm | 15.5 | 0.0 cm | 325.5 hrs | 11.6 hrs | - | 77.9% | 17.1 km/h | 68.6% |
| Feb | 28.9° | 24.6° | 26.6° | 33.3° | 28.3° | 84.5 mm | 15.1 | 0.0 cm | 294.0 hrs | 11.8 hrs | - | 78.0% | 16.7 km/h | 56.5% |
| Mar | 30.0° | 25.5° | 27.5° | 35.4° | 29.8° | 45.5 mm | 11.6 | 0.0 cm | 341.0 hrs | 12.1 hrs | - | 77.2% | 15.0 km/h | 58.2% |
| Apr | 31.4° | 26.4° | 28.6° | 37.7° | 31.3° | 88.4 mm | 15.0 | 0.0 cm | 330.0 hrs | 12.3 hrs | - | 76.5% | 13.1 km/h | 68.7% |
| May | 31.1° | 26.4° | 28.5° | 37.1° | 31.4° | 130.0 mm | 19.7 | 0.0 cm | 310.0 hrs | 12.6 hrs | - | 79.4% | 14.8 km/h | 87.8% |
| Jun | 31.5° | 26.3° | 28.5° | 36.4° | 30.6° | 70.9 mm | 16.2 | 0.0 cm | 306.0 hrs | 12.7 hrs | - | 75.3% | 16.8 km/h | 90.5% |
| Jul | 30.8° | 25.9° | 28.0° | 35.4° | 29.9° | 111.5 mm | 19.4 | 0.0 cm | 266.6 hrs | 12.6 hrs | - | 77.9% | 18.4 km/h | 91.2% |
| Aug | 30.9° | 25.7° | 27.9° | 35.8° | 29.8° | 108.3 mm | 19.2 | 0.0 cm | 300.7 hrs | 12.4 hrs | - | 77.3% | 16.8 km/h | 89.1% |
| Sep | 29.9° | 25.4° | 27.4° | 34.8° | 29.4° | 130.7 mm | 20.8 | 0.0 cm | 267.0 hrs | 12.2 hrs | - | 80.3% | 17.5 km/h | 92.6% |
| Oct | 29.1° | 24.8° | 26.8° | 34.8° | 29.4° | 226.7 mm | 25.5 | 0.0 cm | 275.9 hrs | 11.9 hrs | - | 84.1% | 14.1 km/h | 92.3% |
| Nov | 28.1° | 24.5° | 26.2° | 33.0° | 28.5° | 345.3 mm | 24.8 | 0.0 cm | 234.0 hrs | 11.7 hrs | - | 85.4% | 16.5 km/h | 89.3% |
| Dec | 27.9° | 24.4° | 26.0° | 32.0° | 27.8° | 168.2 mm | 17.2 | 0.0 cm | 297.6 hrs | 11.6 hrs | - | 80.8% | 17.8 km/h | 73.7% |