Ko Samui Weather in June
Average highs run from 30°C on June 1 to 29°C on June 30, and lows from 28°C to 28°C. Normal precipitation for the month is 168 mm over about 24 wet days.
June day by day
The normal high and low for each date, in °C.
- Normal low
- Normal high
- Reanalysis extreme high
- Reanalysis extreme low
June at a glance
- Average high
- 29°C
- Average low
- 28°C
- Precipitation
- 168 mm
- Reanalysis high
- 32°CJun 14, 2018
- Reanalysis low
- 26°CJun 13, 2004
- Daylight
- 12 h 38 min to 12 h 40 min
- Cloud cover
- 86%
- Humidity
- 80%
- Dew point
- 25°C
- Wind
- 16.6 km/h
Every day of the month
A wet day has at least 1 mm of precipitation in the reanalysis.
| Date | Normal high | Normal low | Reanalysis high | Reanalysis low | Chance wet |
|---|---|---|---|---|---|
| Jun 1 | 30°C | 28°C | 31°C 2016 | 27°C 1999 | 91% |
| Jun 2 | 30°C | 28°C | 31°C 2016 | 27°C 1999 | 91% |
| Jun 3 | 30°C | 28°C | 31°C 2014 | 27°C 1999 | 91% |
| Jun 4 | 30°C | 28°C | 31°C 1998 | 27°C 2001 | 90% |
| Jun 5 | 30°C | 28°C | 31°C 2015 | 27°C 1994 | 89% |
| Jun 6 | 30°C | 28°C | 31°C 2016 | 27°C 2012 | 88% |
| Jun 7 | 30°C | 28°C | 31°C 2014 | 27°C 1999 | 87% |
| Jun 8 | 30°C | 28°C | 31°C 2014 | 27°C 1999 | 87% |
| Jun 9 | 30°C | 28°C | 31°C 2014 | 26°C 1999 | 87% |
| Jun 10 | 30°C | 28°C | 31°C 2014 | 27°C 1994 | 87% |
| Jun 11 | 30°C | 28°C | 31°C 2016 | 26°C 1999 | 86% |
| Jun 12 | 29°C | 28°C | 31°C 2019 | 26°C 2000 | 85% |
| Jun 13 | 29°C | 28°C | 31°C 2018 | 26°C 2004 | 85% |
| Jun 14 | 29°C | 28°C | 32°C 2018 | 27°C 2000 | 84% |
| Jun 15 | 29°C | 28°C | 31°C 2014 | 27°C 2000 | 84% |
| Jun 16 | 29°C | 28°C | 31°C 2020 | 26°C 1994 | 84% |
| Jun 17 | 29°C | 28°C | 31°C 2014 | 26°C 1994 | 83% |
| Jun 18 | 29°C | 28°C | 31°C 2014 | 26°C 2000 | 82% |
| Jun 19 | 29°C | 28°C | 31°C 2015 | 26°C 2000 | 83% |
| Jun 20 | 29°C | 28°C | 31°C 2019 | 26°C 2000 | 82% |
| Jun 21 | 29°C | 28°C | 31°C 2015 | 26°C 2000 | 82% |
| Jun 22 | 29°C | 28°C | 31°C 1992 | 26°C 2000 | 82% |
| Jun 23 | 29°C | 28°C | 31°C 1997 | 27°C 2000 | 81% |
| Jun 24 | 29°C | 28°C | 31°C 2015 | 27°C 1999 | 81% |
| Jun 25 | 29°C | 28°C | 31°C 2016 | 26°C 1996 | 80% |
| Jun 26 | 29°C | 28°C | 31°C 2014 | 27°C 1996 | 81% |
| Jun 27 | 29°C | 28°C | 31°C 2015 | 27°C 1999 | 81% |
| Jun 28 | 29°C | 28°C | 31°C 2005 | 27°C 2016 | 82% |
| Jun 29 | 29°C | 28°C | 31°C 2019 | 27°C 2016 | 84% |
| Jun 30 | 29°C | 28°C | 31°C 2002 | 26°C 1999 | 84% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+7).
- June 1
- sunrise 5:59 AM, sunset 6:37 PM
- June 30
- sunrise 6:04 AM, sunset 6:44 PM
Other months
Sources
Cloud, humidity, wind and sunshine, and temperature and precipitation: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.