Ko Samui, Surat Thani, Thailand Climate

Weather: 28.1°C/82.58°F, Wind SW at 3.52 km/h, 72% Humidity, 0% Chance of rain

Thailand
(Photo by Robert Eklund on Unsplash)
Contents

Ko Samui Climate Summary

Located at an elevation of 432.66 meters (1419.49 feet) above sea level, Ko Samui has a Tropical monsoon climate (Classification: Am). The district’s yearly temperature is 28.73ºC (83.71ºF) and it is 0.09% higher than Thailand’s averages. Ko Samui typically receives about 99.83 millimeters (3.93 inches) of precipitation and has 205.85 rainy days (56.4% of the time) annually.

CountryThailand
CitySurat Thani
Longitude100.0135929
Latitude9.5120168
Attitude/Elevation432.66m (1419.49ft)
Local timeTuesday 10:01
Annual high temperature31.72ºC (89.1ºF)
Annual low temperature24.18ºC (75.52ºF)
Average annual precip.99.83mm (3.93in)
Warmest monthApril (34.08ºC / 93.34ºF)
Coldest MonthFebruary (22.39ºC / 72.3ºF)
Wettest MonthOctober (151.66mm / 5.97in)
Driest MonthFebruary (15.15mm / 0.6in)
Number of days with rainfall (≥ 1.0 mm)205.85 days (56.4%)
Days with no rain159.15 days (43.6%)
Humidity78.65%

Climate Ko Samui: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)33.42(92.16)34.43(93.97)38.48(101.26)38.48(101.26)38.48(101.26)35.44(95.79)34.43(93.97)36.46(97.63)35.44(95.79)34.43(93.97)34.43(93.97)34.43(93.97)38.48(101.26)
Average high °C (°F)29.94(85.89)31.71(89.08)33.4(92.12)34.08(93.34)33.26(91.87)32.12(89.82)31.66(88.99)32.09(89.76)31.41(88.54)30.98(87.76)30.47(86.85)29.49(85.08)31.72(89.1)
Daily mean °C (°F)27.06(80.71)28.12(82.62)29.67(85.41)30.61(87.1)30.16(86.29)29.25(84.65)28.76(83.77)28.98(84.16)28.53(83.35)28.4(83.12)28.11(82.6)27.16(80.89)28.73(83.71)
Average low °C (°F)22.88(73.18)22.39(72.3)23.35(74.03)25.04(77.07)25.55(77.99)24.92(76.86)24.5(76.1)24.61(76.3)24.35(75.83)24.42(75.96)24.41(75.94)23.79(74.82)24.18(75.52)
Record low °C (°F)17.22(63.0)16.2(61.16)17.22(63.0)21.27(70.29)23.29(73.92)22.28(72.1)22.28(72.1)21.27(70.29)20.25(68.45)20.25(68.45)21.27(70.29)20.25(68.45)16.2(61.16)
Average precipitation mm (inches)104.29(4.11)15.15(0.6)48.45(1.91)82.38(3.24)148.07(5.83)113.22(4.46)97.95(3.86)86.97(3.42)113.92(4.49)151.66(5.97)135.99(5.35)99.91(3.93)99.83(3.93)
Average precipitation days (≥ 1.0 mm)12.614.238.5616.1124.7620.2517.9618.9721.7222.4620.4417.7717.16
Average relative humidity (%)80.8676.6274.6674.2177.6979.1179.678.1179.9780.4680.9181.5478.65
Mean monthly sunshine hours10.8311.4111.3711.2310.9110.5910.5510.6610.510.448.339.910.56

Climate Graph

The chart below shows the mean monthly temperature and precipitation of Ko Samui in recent years.

Ko Samui

Ko Samui Temperature by Month

April
30.61°C | 87.1°F
May
30.16°C | 86.29°F
March
29.67°C | 85.41°F
June
29.25°C | 84.65°F
August
28.98°C | 84.16°F
July
28.76°C | 83.77°F
September
28.53°C | 83.35°F
October
28.4°C | 83.12°F
February
28.12°C | 82.62°F
November
28.11°C | 82.6°F
December
27.16°C | 80.89°F
January
27.06°C | 80.71°F

Historical Data

Summary
  • 2010
  • 2011
  • 2012
  • 2013
  • 2014
  • 2015
  • 2016
  • 2017
  • 2018
  • 2019
  • 2020
  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December
TemperatureMaxAverageMin
Max Temperature35.44°C (95.79°F)32.81°C (91.06°F)30.38°C (86.68°F)
Avg Temperature30.38°C (86.68°F)29.47°C (85.05°F)27.34°C (81.21°F)
Min Temperature25.32°C (77.58°F)24.95°C (76.91°F)24.3°C (75.74°F)
Dew PointMaxAverageMin
Dew Point24.3°C (75.74°F)23.59°C (74.46°F)22.28°C (72.1°F)
PrecipitationMaxAverageMinSum
Precipitation13.27mm | 0.52in2.95mm | 0.12in0.0mm | 0in88.38mm | 3.48in
Snowdepth0.0mm | 0in0.0mm | 0in0.0mm | 0in0.0mm | 0in
WindMaxAverageMin
Wind16.2kmh | 10.07mph10.4kmh | 6.46mph4.05kmh | 2.52mph
Gust Wind25.32kmh | 15.73mph15.73kmh | 9.77mph6.08kmh | 3.78mph
Sea Level PressureMaxAverageMin
Sea Level Pressure13.27mb2.95mb0.0mb
Ko Samui

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
June° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2014-06-0129.37 | 84.8724.3 | 75.74827.09 | 4.4130.14 | 1020.87.49 | 0.29
2014-06-0230.38 | 86.6824.3 | 75.74774.05 | 2.5230.11 | 1019.793.95 | 0.16
2014-06-0330.38 | 86.6824.3 | 75.74775.06 | 3.1430.08 | 1018.783.14 | 0.12
2014-06-0429.37 | 84.8724.3 | 75.74827.09 | 4.4130.08 | 1018.7813.27 | 0.52
2014-06-0528.36 | 83.0524.3 | 75.748412.15 | 7.5530.08 | 1018.780.3 | 0.01
2014-06-0629.37 | 84.8723.29 | 73.92799.11 | 5.6630.08 | 1018.782.43 | 0.1
2014-06-0730.38 | 86.6824.3 | 75.74796.08 | 3.7830.05 | 1017.763.44 | 0.14
2014-06-0830.38 | 86.6824.3 | 75.74818.1 | 5.0330.05 | 1017.765.47 | 0.22
2014-06-0930.38 | 86.6824.3 | 75.74779.11 | 5.6630.05 | 1017.763.14 | 0.12
2014-06-1030.38 | 86.6824.3 | 75.74769.11 | 5.6630.08 | 1018.782.94 | 0.12
2014-06-1130.38 | 86.6824.3 | 75.747911.14 | 6.9230.05 | 1017.762.73 | 0.11
2014-06-1228.36 | 83.0523.29 | 73.928214.18 | 8.8130.05 | 1017.763.14 | 0.12
2014-06-1327.34 | 81.2124.3 | 75.748516.2 | 10.0730.05 | 1017.765.97 | 0.24
2014-06-1428.36 | 83.0524.3 | 75.748213.17 | 8.1830.11 | 1019.790.81 | 0.03
2014-06-1530.38 | 86.6823.29 | 73.927712.15 | 7.5530.11 | 1019.791.92 | 0.08
2014-06-1629.37 | 84.8723.29 | 73.927814.18 | 8.8130.11 | 1019.790.3 | 0.01
2014-06-1729.37 | 84.8723.29 | 73.927710.13 | 6.2930.11 | 1019.792.43 | 0.1
2014-06-1830.38 | 86.6823.29 | 73.927612.15 | 7.5530.14 | 1020.80.0 | 0
2014-06-1929.37 | 84.8723.29 | 73.927711.14 | 6.9230.14 | 1020.82.43 | 0.1
2014-06-2030.38 | 86.6823.29 | 73.927610.13 | 6.2930.14 | 1020.82.53 | 0.1
2014-06-2129.37 | 84.8723.29 | 73.927811.14 | 6.9230.2 | 1022.833.54 | 0.14
2014-06-2227.34 | 81.2123.29 | 73.928511.14 | 6.9230.23 | 1023.842.23 | 0.09
2014-06-2328.36 | 83.0524.3 | 75.748511.14 | 6.9230.17 | 1021.813.44 | 0.14
2014-06-2428.36 | 83.0523.29 | 73.928114.18 | 8.8130.11 | 1019.791.62 | 0.06
2014-06-2529.37 | 84.8722.28 | 72.17612.15 | 7.5530.14 | 1020.80.0 | 0
2014-06-2630.38 | 86.6822.28 | 72.1728.1 | 5.0330.2 | 1022.830.0 | 0
2014-06-2730.38 | 86.6822.28 | 72.1759.11 | 5.6630.23 | 1023.842.03 | 0.08
2014-06-2829.37 | 84.8723.29 | 73.927910.13 | 6.2930.17 | 1021.813.14 | 0.12
2014-06-2929.37 | 84.8722.28 | 72.17512.15 | 7.5530.17 | 1021.811.01 | 0.04
2014-06-3029.37 | 84.8723.29 | 73.927711.14 | 6.9230.17 | 1021.813.54 | 0.14

Ko Samui 11 Year Historical Weather Data

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