Hangzhou Weather in May
Average highs run from 25°C on May 1 to 29°C on May 31, and lows from 14°C to 18°C. Normal precipitation for the month is 118 mm over about 12 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
- 27°C
- Average low
- 16°C
- Precipitation
- 118 mm
- Reanalysis high
- 38°CMay 20, 2011
- Reanalysis low
- 6°CMay 2, 1991
- Daylight
- 13 h 21 min to 13 h 58 min
- Cloud cover
- 72%
- Humidity
- 75%
- Dew point
- 16°C
- Wind
- 12.2 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 | 25°C | 14°C | 31°C 1998 | 8°C 2003 | 38% |
| May 2 | 25°C | 14°C | 31°C 2008 | 6°C 1991 | 39% |
| May 3 | 26°C | 14°C | 34°C 1997 | 8°C 1991 | 38% |
| May 4 | 26°C | 14°C | 36°C 1997 | 9°C 1991 | 38% |
| May 5 | 26°C | 14°C | 36°C 1997 | 8°C 1991 | 39% |
| May 6 | 26°C | 15°C | 31°C 2012 | 9°C 2014 | 40% |
| May 7 | 26°C | 15°C | 32°C 2011 | 7°C 2019 | 40% |
| May 8 | 26°C | 15°C | 33°C 2011 | 10°C 2019 | 41% |
| May 9 | 26°C | 15°C | 33°C 2009 | 9°C 1992 | 43% |
| May 10 | 26°C | 15°C | 35°C 2011 | 7°C 1992 | 43% |
| May 11 | 26°C | 15°C | 35°C 2009 | 9°C 1995 | 43% |
| May 12 | 26°C | 15°C | 33°C 1993 | 10°C 2015 | 43% |
| May 13 | 27°C | 15°C | 32°C 1993 | 9°C 2008 | 43% |
| May 14 | 27°C | 15°C | 33°C 2018 | 12°C 2006 | 42% |
| May 15 | 27°C | 16°C | 34°C 2018 | 12°C 1995 | 43% |
| May 16 | 27°C | 16°C | 35°C 2018 | 11°C 1995 | 42% |
| May 17 | 27°C | 16°C | 32°C 2008 | 10°C 2016 | 41% |
| May 18 | 27°C | 16°C | 32°C 2008 | 10°C 2016 | 42% |
| May 19 | 28°C | 16°C | 36°C 2011 | 10°C 1994 | 43% |
| May 20 | 28°C | 17°C | 38°C 2011 | 12°C 1999 | 43% |
| May 21 | 28°C | 17°C | 35°C 1996 | 12°C 2015 | 42% |
| May 22 | 28°C | 17°C | 34°C 2000 | 11°C 1995 | 41% |
| May 23 | 28°C | 17°C | 34°C 2000 | 13°C 1995 | 40% |
| May 24 | 28°C | 17°C | 34°C 2020 | 13°C 1992 | 38% |
| May 25 | 28°C | 17°C | 33°C 2001 | 13°C 1998 | 38% |
| May 26 | 28°C | 17°C | 35°C 1997 | 13°C 1998 | 39% |
| May 27 | 29°C | 17°C | 35°C 2004 | 12°C 1992 | 38% |
| May 28 | 29°C | 18°C | 33°C 2007 | 12°C 1993 | 38% |
| May 29 | 29°C | 18°C | 35°C 1994 | 12°C 1993 | 38% |
| May 30 | 29°C | 18°C | 34°C 2007 | 14°C 2010 | 38% |
| May 31 | 29°C | 18°C | 35°C 1997 | 14°C 1998 | 38% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+8).
- May 1
- sunrise 5:16 AM, sunset 6:37 PM
- May 31
- sunrise 4:58 AM, sunset 6:56 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.