Ya'an Weather in May
Average highs run from 23°C on May 1 to 26°C on May 31, and lows from 14°C to 17°C. Normal precipitation for the month is 118 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
- 25°C
- Average low
- 15°C
- Precipitation
- 118 mm
- Reanalysis high
- 34°CMay 18, 2011
- Reanalysis low
- 6°CMay 1, 1991
- Daylight
- 13 h 19 min to 13 h 56 min
- Cloud cover
- 88%
- Humidity
- 70%
- Dew point
- 13°C
- Wind
- 7.6 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 |
|---|---|---|---|---|---|
| May 1 | 23°C | 14°C | 33°C 1994 | 6°C 1991 | 59% |
| May 2 | 24°C | 14°C | 31°C 1997 | 8°C 1991 | 59% |
| May 3 | 24°C | 14°C | 32°C 1997 | 8°C 2004 | 58% |
| May 4 | 24°C | 14°C | 29°C 2010 | 7°C 2004 | 60% |
| May 5 | 24°C | 14°C | 29°C 1998 | 9°C 1991 | 60% |
| May 6 | 24°C | 14°C | 29°C 2020 | 9°C 2017 | 61% |
| May 7 | 24°C | 14°C | 29°C 1995 | 7°C 1991 | 63% |
| May 8 | 24°C | 14°C | 31°C 1995 | 7°C 1991 | 64% |
| May 9 | 24°C | 14°C | 30°C 1995 | 8°C 1991 | 65% |
| May 10 | 24°C | 14°C | 30°C 1994 | 9°C 1991 | 65% |
| May 11 | 24°C | 14°C | 31°C 1994 | 10°C 1996 | 64% |
| May 12 | 24°C | 14°C | 32°C 1994 | 11°C 1996 | 63% |
| May 13 | 24°C | 15°C | 31°C 1994 | 8°C 2006 | 63% |
| May 14 | 24°C | 15°C | 32°C 1994 | 10°C 2006 | 63% |
| May 15 | 24°C | 15°C | 29°C 2018 | 10°C 2016 | 64% |
| May 16 | 25°C | 15°C | 30°C 1994 | 11°C 1993 | 64% |
| May 17 | 25°C | 15°C | 31°C 1994 | 11°C 1992 | 64% |
| May 18 | 25°C | 15°C | 34°C 2011 | 9°C 1992 | 64% |
| May 19 | 25°C | 15°C | 32°C 2011 | 9°C 1992 | 64% |
| May 20 | 25°C | 15°C | 31°C 1998 | 10°C 1992 | 64% |
| May 21 | 25°C | 15°C | 31°C 2001 | 11°C 2011 | 64% |
| May 22 | 25°C | 15°C | 31°C 2001 | 9°C 2011 | 64% |
| May 23 | 25°C | 16°C | 31°C 1993 | 11°C 2011 | 64% |
| May 24 | 25°C | 16°C | 30°C 1994 | 12°C 2011 | 64% |
| May 25 | 25°C | 16°C | 32°C 1995 | 12°C 1998 | 64% |
| May 26 | 25°C | 16°C | 30°C 1995 | 12°C 2016 | 65% |
| May 27 | 25°C | 16°C | 31°C 1995 | 12°C 2016 | 66% |
| May 28 | 26°C | 16°C | 31°C 2007 | 12°C 2006 | 66% |
| May 29 | 26°C | 16°C | 32°C 1994 | 13°C 2000 | 67% |
| May 30 | 26°C | 16°C | 32°C 1995 | 13°C 2019 | 68% |
| May 31 | 26°C | 17°C | 33°C 1994 | 13°C 2004 | 69% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+8).
- May 1
- sunrise 6:26 AM, sunset 7:45 PM
- May 31
- sunrise 6:08 AM, sunset 8:04 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.