Hoi An Weather in May
Average highs run from 28°C on May 1 to 29°C on May 31, and lows from 27°C to 28°C. Normal precipitation for the month is 107 mm over about 16 wet days.
May day by day
The normal high and low for each date, and the record, in °C.
- Normal low
- Normal high
- Record high
- Record low
May at a glance
- Average high
- 29°C
- Average low
- 27°C
- Precipitation
- 107 mm
- Record high
- 42°CMay 20, 1983
- Record low
- 20°CMay 20, 2006
- Daylight
- 12 h 42 min to 13 h 00 min
- Cloud cover
- 62%
- Humidity
- 86%
- Dew point
- 25°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 | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| May 1 | 28°C | 27°C | 39°C 2012 | 22°C 1999 | 36% |
| May 2 | 28°C | 27°C | 38°C 1993 | 23°C 1999 | 37% |
| May 3 | 28°C | 27°C | 39°C 2012 | 23°C 2022 | 38% |
| May 4 | 28°C | 27°C | 37°C 1985 | 20°C 1990 | 40% |
| May 5 | 28°C | 27°C | 40°C 2005 | 20°C 1994 | 40% |
| May 6 | 28°C | 27°C | 37°C 1982 | 21°C 2009 | 41% |
| May 7 | 28°C | 27°C | 38°C 1973 | 23°C 2009 | 41% |
| May 8 | 28°C | 27°C | 40°C 1992 | 23°C 2007 | 42% |
| May 9 | 28°C | 27°C | 38°C 1983 | 22°C 1983 | 42% |
| May 10 | 28°C | 27°C | 37°C 2005 | 23°C 2007 | 43% |
| May 11 | 28°C | 27°C | 38°C 2005 | 23°C 1995 | 43% |
| May 12 | 28°C | 27°C | 40°C 1983 | 23°C 2008 | 44% |
| May 13 | 29°C | 27°C | 38°C 1986 | 24°C 1999 | 44% |
| May 14 | 29°C | 27°C | 39°C 1983 | 23°C 2008 | 45% |
| May 15 | 29°C | 27°C | 36°C 2013 | 23°C 2006 | 46% |
| May 16 | 29°C | 27°C | 38°C 1973 | 24°C 1982 | 48% |
| May 17 | 29°C | 27°C | 38°C 1992 | 22°C 1987 | 50% |
| May 18 | 29°C | 27°C | 37°C 1973 | 24°C 2008 | 52% |
| May 19 | 29°C | 28°C | 39°C 1977 | 21°C 2006 | 53% |
| May 20 | 29°C | 28°C | 42°C 1983 | 20°C 2006 | 54% |
| May 21 | 29°C | 28°C | 40°C 1983 | 24°C 2006 | 54% |
| May 22 | 29°C | 28°C | 39°C 1987 | 24°C 1996 | 56% |
| May 23 | 29°C | 28°C | 39°C 1988 | 24°C 1974 | 58% |
| May 24 | 29°C | 28°C | 40°C 1988 | 24°C 1997 | 59% |
| May 25 | 29°C | 28°C | 38°C 1988 | 23°C 1997 | 59% |
| May 26 | 29°C | 28°C | 38°C 1976 | 24°C 1997 | 60% |
| May 27 | 29°C | 28°C | 38°C 2024 | 24°C 1995 | 60% |
| May 28 | 29°C | 28°C | 38°C 1976 | 24°C 2020 | 60% |
| May 29 | 29°C | 28°C | 39°C 2015 | 24°C 1993 | 61% |
| May 30 | 29°C | 28°C | 38°C 1992 | 24°C 2011 | 61% |
| May 31 | 29°C | 28°C | 38°C 1976 | 25°C 2006 | 60% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+7).
- May 1
- sunrise 5:23 AM, sunset 6:05 PM
- May 31
- sunrise 5:14 AM, sunset 6:14 PM
Other months
Sources
Records: NOAA GHCN-Daily, station VMM00048855, every year on file, quality-flagged values removed. 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 2026-09-27. Sun and moon: computed with the NOAA solar equations and Meeus.