Heyuan Weather in May
Average highs run from 29°C on May 1 to 30°C on May 31, and lows from 20°C to 23°C. Normal precipitation for the month is 257 mm over about 19 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
- 29°C
- Average low
- 21°C
- Precipitation
- 257 mm
- Reanalysis high
- 37°CMay 3, 2002
- Reanalysis low
- 12°CMay 5, 1994
- Daylight
- 13 h 02 min to 13 h 30 min
- Cloud cover
- 80%
- Humidity
- 83%
- Dew point
- 22°C
- Wind
- 9.7 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 | 29°C | 20°C | 34°C 2002 | 15°C 2007 | 62% |
| May 2 | 29°C | 20°C | 36°C 2002 | 14°C 1991 | 62% |
| May 3 | 29°C | 20°C | 37°C 2002 | 15°C 1991 | 62% |
| May 4 | 29°C | 20°C | 35°C 2002 | 15°C 1994 | 61% |
| May 5 | 29°C | 20°C | 36°C 2002 | 12°C 1994 | 61% |
| May 6 | 29°C | 20°C | 36°C 2002 | 15°C 1994 | 62% |
| May 7 | 29°C | 20°C | 33°C 2020 | 16°C 2007 | 61% |
| May 8 | 29°C | 21°C | 36°C 2002 | 15°C 1991 | 62% |
| May 9 | 29°C | 21°C | 33°C 2020 | 16°C 1991 | 62% |
| May 10 | 29°C | 21°C | 33°C 2011 | 15°C 1999 | 63% |
| May 11 | 29°C | 21°C | 34°C 2009 | 17°C 1992 | 62% |
| May 12 | 29°C | 21°C | 35°C 2009 | 15°C 2015 | 62% |
| May 13 | 29°C | 21°C | 35°C 2009 | 15°C 2006 | 63% |
| May 14 | 29°C | 21°C | 34°C 2009 | 14°C 2006 | 64% |
| May 15 | 29°C | 21°C | 34°C 2009 | 15°C 2006 | 64% |
| May 16 | 29°C | 21°C | 34°C 2009 | 16°C 2016 | 64% |
| May 17 | 30°C | 21°C | 33°C 2008 | 18°C 1996 | 62% |
| May 18 | 30°C | 21°C | 33°C 1995 | 18°C 1992 | 62% |
| May 19 | 30°C | 22°C | 34°C 2018 | 16°C 2006 | 64% |
| May 20 | 30°C | 22°C | 35°C 2018 | 18°C 2008 | 66% |
| May 21 | 30°C | 22°C | 35°C 2018 | 17°C 2008 | 68% |
| May 22 | 30°C | 22°C | 36°C 2018 | 17°C 1995 | 69% |
| May 23 | 30°C | 22°C | 36°C 2018 | 17°C 2011 | 69% |
| May 24 | 30°C | 22°C | 36°C 2018 | 14°C 2011 | 67% |
| May 25 | 30°C | 22°C | 36°C 2018 | 16°C 2011 | 65% |
| May 26 | 30°C | 22°C | 36°C 2018 | 17°C 2011 | 65% |
| May 27 | 30°C | 22°C | 35°C 2018 | 18°C 1999 | 66% |
| May 28 | 30°C | 22°C | 33°C 1995 | 18°C 2011 | 65% |
| May 29 | 30°C | 22°C | 34°C 2018 | 16°C 1993 | 65% |
| May 30 | 30°C | 23°C | 36°C 2018 | 18°C 1993 | 66% |
| May 31 | 30°C | 23°C | 36°C 1991 | 19°C 2001 | 67% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+8).
- May 1
- sunrise 5:48 AM, sunset 6:50 PM
- May 31
- sunrise 5:34 AM, sunset 7:04 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.