Koh Samui (Thailand) weather

Forecast days

Sunny.
Sunrise iconSunrise:
Sunset iconSunset:
Ex UV
No pollution data.
No pollen data.

    7 day forecast for Koh Samui

    Today (11 July 2025)
    Time
    12:00
    13:00
    14:00
    15:00
    16:00
    17:00
    18:00
    19:00
    20:00
    21:00
    22:00
    23:00
    Weather symbols Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Clear night Clear night Clear night Clear night Partly cloudy night
    Chance of precipitation
    <5%
    10%
    30%
    40%
    40%
    40%
    40%
    40%
    30%
    20%
    10%
    20%
    Temperature
    29°
    29°
    29°
    28°
    28°
    27°
    27°
    25°
    25°
    24°
    24°
    24°
    Feels like temperature (°C)
    30°
    30°
    29°
    28°
    27°
    27°
    26°
    24°
    23°
    23°
    22°
    22°
    Wind direction and speed
    W
    14
    W
    13
    W
    14
    W
    14
    W
    16
    W
    16
    W
    16
    WSW
    16
    WSW
    15
    WSW
    16
    WSW
    16
    WSW
    15
    Wind gust (mph)
    18
    19
    20
    22
    23
    23
    22
    22
    21
    22
    21
    21
    Visibility
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    75%
    75%
    74%
    74%
    74%
    74%
    73%
    73%
    75%
    76%
    77%
    78%
    UV 12 11 9 6 3 1 - - - - - -
    Sunday (12 July 2025)
    Time
    00:00
    01:00
    02:00
    03:00
    04:00
    05:00
    06:00
    07:00
    08:00
    09:00
    10:00
    11:00
    12:00
    13:00
    14:00
    15:00
    16:00
    17:00
    18:00
    19:00
    20:00
    21:00
    22:00
    23:00
    Weather symbols Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Clear night Clear night Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Clear night Clear night Clear night Clear night Partly cloudy night
    Chance of precipitation
    20%
    30%
    30%
    20%
    20%
    10%
    20%
    10%
    <5%
    <5%
    10%
    20%
    30%
    30%
    30%
    40%
    30%
    30%
    30%
    30%
    30%
    10%
    10%
    10%
    Temperature (°C)
    24°
    24°
    23°
    23°
    23°
    23°
    23°
    24°
    25°
    26°
    27°
    28°
    28°
    28°
    28°
    27°
    27°
    27°
    26°
    25°
    24°
    24°
    24°
    24°
    Feels like temperature (°C)
    22°
    22°
    22°
    22°
    21°
    21°
    21°
    22°
    24°
    26°
    27°
    28°
    29°
    29°
    29°
    27°
    27°
    26°
    25°
    23°
    23°
    22°
    22°
    22°
    Wind direction and speed (mph)
    WSW
    15
    WSW
    16
    WSW
    16
    WSW
    16
    WSW
    17
    WSW
    17
    WSW
    16
    WSW
    16
    WSW
    16
    WSW
    16
    WSW
    15
    WSW
    13
    WSW
    13
    W
    12
    W
    14
    W
    14
    WSW
    15
    WSW
    16
    WSW
    16
    WSW
    16
    WSW
    16
    WSW
    16
    WSW
    16
    WSW
    16
    Wind gust (mph)
    22
    22
    23
    23
    24
    23
    22
    23
    22
    22
    20
    19
    18
    18
    20
    21
    22
    23
    23
    23
    23
    22
    22
    23
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    79%
    81%
    84%
    84%
    84%
    84%
    84%
    84%
    84%
    84%
    79%
    76%
    76%
    75%
    75%
    74%
    74%
    74%
    74%
    75%
    75%
    75%
    76%
    76%
    UV - - - - - - - 1 3 6 9 11 12 10 9 6 3 1 - - - - - -
    Monday (13 July 2025)
    Time
    00:00
    01:00
    02:00
    03:00
    04:00
    05:00
    06:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Partly cloudy night Partly cloudy night Clear night Clear night Clear night Clear night Sunny day Sunny day Sunny day Sunny day Sunny intervals Partly cloudy night Partly cloudy night
    Chance of precipitation
    20%
    30%
    40%
    20%
    20%
    30%
    20%
    30%
    40%
    40%
    40%
    30%
    30%
    Temperature (°C)
    24°
    23°
    23°
    23°
    23°
    23°
    23°
    24°
    27°
    28°
    27°
    25°
    24°
    Feels like temperature (°C)
    22°
    22°
    21°
    21°
    21°
    21°
    21°
    22°
    26°
    27°
    25°
    23°
    21°
    Wind direction and speed (mph)
    WSW
    16
    WSW
    16
    WSW
    16
    WSW
    17
    WSW
    17
    WSW
    16
    WSW
    16
    WSW
    15
    WSW
    15
    W
    15
    WSW
    17
    WSW
    17
    WSW
    18
    Wind gust (mph)
    23
    23
    24
    23
    23
    22
    22
    22
    23
    24
    24
    27
    26
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    77%
    80%
    83%
    83%
    83%
    83%
    84%
    83%
    78%
    75%
    74%
    75%
    78%
    UV - - - - - - - 1 7 11 2 - -
    Tuesday (14 July 2025)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Partly cloudy night Partly cloudy night Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night
    Chance of precipitation
    40%
    30%
    30%
    20%
    30%
    40%
    30%
    10%
    Temperature (°C)
    23°
    23°
    23°
    26°
    28°
    27°
    25°
    24°
    Feels like temperature (°C)
    21°
    21°
    21°
    26°
    28°
    26°
    24°
    22°
    Wind direction and speed (mph)
    WSW
    18
    WSW
    19
    WSW
    18
    WSW
    17
    W
    14
    WSW
    15
    WSW
    15
    WSW
    15
    Wind gust (mph)
    27
    27
    26
    24
    22
    23
    22
    23
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    82%
    84%
    84%
    82%
    76%
    74%
    74%
    76%
    UV - - 1 4 9 2 - -
    Wednesday (15 July 2025)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Partly cloudy night Clear night Sunny day Sunny day Light shower day Sunny day Clear night Clear night
    Chance of precipitation
    20%
    10%
    10%
    10%
    60%
    30%
    20%
    10%
    Temperature (°C)
    23°
    23°
    24°
    27°
    28°
    27°
    25°
    24°
    Feels like temperature (°C)
    22°
    21°
    22°
    27°
    29°
    27°
    24°
    22°
    Wind direction and speed (mph)
    WSW
    16
    WSW
    17
    WSW
    15
    WSW
    14
    W
    12
    W
    13
    WSW
    15
    WSW
    15
    Wind gust (mph)
    24
    23
    22
    20
    20
    22
    22
    22
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    79%
    83%
    82%
    79%
    75%
    74%
    74%
    75%
    UV - - 1 9 10 3 - -
    Thursday (16 July 2025)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Clear night Clear night Sunny day Sunny day Sunny day Sunny day Clear night Clear night
    Chance of precipitation
    10%
    10%
    10%
    10%
    20%
    10%
    10%
    20%
    Temperature (°C)
    23°
    23°
    24°
    27°
    30°
    30°
    26°
    24°
    Feels like temperature (°C)
    22°
    22°
    23°
    27°
    32°
    30°
    25°
    22°
    Wind direction and speed (mph)
    WSW
    15
    WSW
    15
    WSW
    14
    WSW
    14
    W
    11
    W
    13
    WSW
    14
    WSW
    16
    Wind gust (mph)
    22
    21
    20
    20
    18
    20
    23
    22
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    78%
    79%
    82%
    77%
    75%
    74%
    74%
    74%
    UV - - 1 8 11 3 - -
    Friday (17 July 2025)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Clear night Clear night Sunny day Sunny day Sunny day Sunny day Clear night Clear night
    Chance of precipitation
    <5%
    10%
    <5%
    10%
    10%
    20%
    30%
    20%
    Temperature (°C)
    24°
    23°
    24°
    28°
    30°
    29°
    26°
    24°
    Feels like temperature (°C)
    22°
    21°
    23°
    28°
    31°
    29°
    25°
    22°
    Wind direction and speed (mph)
    WSW
    15
    WSW
    15
    WSW
    14
    WSW
    14
    W
    13
    W
    15
    W
    17
    W
    16
    Wind gust (mph)
    22
    21
    21
    20
    20
    25
    24
    23
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    76%
    77%
    78%
    76%
    73%
    74%
    73%
    75%
    UV - - 1 9 11 3 - -

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    Forecast for 12:00 (UTC+7), Sat
    Updated 01:19 (UTC+1) on Sat 12 Jul 2025
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