Haenam Weather in May
Average highs run from 17°C on May 1 to 21°C on May 31, and lows from 11°C to 15°C. Normal precipitation for the month is 118 mm over about 9 wet days.
May day by day
The normal high and low for each date, in °C.
- Normal low
- Normal high
- Reanalysis extreme high
- Reanalysis extreme low
May at a glance
- Average high
- 19°C
- Average low
- 13°C
- Precipitation
- 118 mm
- Reanalysis high
- 27°CMay 25, 2000
- Reanalysis low
- 8°CMay 1, 2013
- Daylight
- 13 h 34 min to 14 h 18 min
- Cloud cover
- 60%
- Humidity
- 83%
- Dew point
- 13°C
- Wind
- 15.5 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 |
|---|---|---|---|---|---|
| May 1 | 17°C | 11°C | 22°C 2015 | 8°C 2013 | 26% |
| May 2 | 17°C | 11°C | 22°C 2008 | 8°C 2013 | 27% |
| May 3 | 18°C | 12°C | 24°C 2008 | 8°C 2000 | 28% |
| May 4 | 18°C | 12°C | 21°C 2012 | 8°C 2011 | 28% |
| May 5 | 18°C | 12°C | 22°C 2019 | 9°C 2013 | 30% |
| May 6 | 18°C | 12°C | 24°C 2020 | 9°C 1996 | 31% |
| May 7 | 18°C | 12°C | 21°C 2012 | 8°C 2019 | 30% |
| May 8 | 18°C | 12°C | 21°C 1994 | 10°C 1996 | 31% |
| May 9 | 18°C | 12°C | 20°C 2011 | 10°C 2005 | 30% |
| May 10 | 18°C | 12°C | 22°C 1999 | 9°C 2005 | 30% |
| May 11 | 19°C | 12°C | 20°C 2003 | 9°C 1995 | 30% |
| May 12 | 19°C | 13°C | 22°C 2019 | 9°C 2010 | 30% |
| May 13 | 19°C | 13°C | 21°C 2001 | 9°C 2010 | 30% |
| May 14 | 19°C | 13°C | 24°C 2019 | 10°C 2008 | 28% |
| May 15 | 19°C | 13°C | 24°C 2019 | 10°C 2011 | 27% |
| May 16 | 19°C | 13°C | 24°C 1996 | 11°C 2008 | 28% |
| May 17 | 19°C | 13°C | 25°C 1996 | 11°C 2015 | 28% |
| May 18 | 19°C | 13°C | 24°C 2016 | 11°C 1994 | 28% |
| May 19 | 20°C | 14°C | 22°C 2017 | 10°C 1994 | 29% |
| May 20 | 20°C | 14°C | 24°C 1998 | 11°C 1994 | 27% |
| May 21 | 20°C | 14°C | 24°C 2010 | 11°C 2013 | 27% |
| May 22 | 20°C | 14°C | 24°C 2017 | 12°C 2004 | 26% |
| May 23 | 20°C | 14°C | 24°C 2013 | 12°C 1996 | 25% |
| May 24 | 20°C | 14°C | 25°C 2013 | 12°C 2011 | 24% |
| May 25 | 21°C | 14°C | 27°C 2000 | 11°C 1992 | 24% |
| May 26 | 21°C | 14°C | 24°C 2012 | 11°C 1992 | 24% |
| May 27 | 21°C | 15°C | 24°C 2009 | 12°C 1995 | 24% |
| May 28 | 21°C | 15°C | 25°C 2012 | 11°C 1994 | 24% |
| May 29 | 21°C | 15°C | 24°C 2015 | 11°C 1999 | 24% |
| May 30 | 21°C | 15°C | 24°C 2005 | 13°C 1994 | 24% |
| May 31 | 21°C | 15°C | 25°C 1992 | 13°C 1995 | 24% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+9).
- May 1
- sunrise 5:44 AM, sunset 7:18 PM
- May 31
- sunrise 5:22 AM, sunset 7:40 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 2026-09-26. Sun and moon: computed with the NOAA solar equations and Meeus.