San Juan del Río Weather in May
Average highs run from 29°C on May 1 to 28°C on May 31, and lows from 12°C to 13°C. Normal precipitation for the month is 37 mm over about 10 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
- 13°C
- Precipitation
- 37 mm
- Reanalysis high
- 36°CMay 9, 1998
- Reanalysis low
- 5°CMay 16, 2014
- Daylight
- 12 h 54 min to 13 h 17 min
- Cloud cover
- 45%
- Humidity
- 52%
- Dew point
- 7°C
- Wind
- 13.0 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 | 12°C | 33°C 2019 | 8°C 2013 | 21% |
| May 2 | 29°C | 12°C | 34°C 2002 | 8°C 2010 | 22% |
| May 3 | 29°C | 12°C | 34°C 2002 | 7°C 2004 | 23% |
| May 4 | 29°C | 12°C | 35°C 2003 | 8°C 2011 | 24% |
| May 5 | 29°C | 12°C | 35°C 2003 | 9°C 2013 | 26% |
| May 6 | 29°C | 12°C | 35°C 1998 | 9°C 2013 | 28% |
| May 7 | 29°C | 13°C | 35°C 1998 | 9°C 1992 | 29% |
| May 8 | 29°C | 13°C | 35°C 1998 | 7°C 1992 | 30% |
| May 9 | 29°C | 13°C | 36°C 1998 | 10°C 2018 | 31% |
| May 10 | 29°C | 13°C | 35°C 1998 | 8°C 2001 | 31% |
| May 11 | 29°C | 13°C | 35°C 1998 | 9°C 1993 | 32% |
| May 12 | 29°C | 13°C | 35°C 1998 | 8°C 1993 | 32% |
| May 13 | 29°C | 13°C | 34°C 1998 | 11°C 2003 | 33% |
| May 14 | 29°C | 13°C | 34°C 1998 | 9°C 2012 | 34% |
| May 15 | 29°C | 13°C | 33°C 1998 | 8°C 2014 | 33% |
| May 16 | 29°C | 13°C | 34°C 2003 | 5°C 2014 | 32% |
| May 17 | 29°C | 13°C | 33°C 2017 | 8°C 2014 | 32% |
| May 18 | 29°C | 13°C | 33°C 2017 | 9°C 1998 | 32% |
| May 19 | 29°C | 13°C | 33°C 2017 | 9°C 2014 | 33% |
| May 20 | 29°C | 13°C | 33°C 2017 | 9°C 1998 | 33% |
| May 21 | 29°C | 13°C | 33°C 2019 | 7°C 2012 | 34% |
| May 22 | 29°C | 13°C | 33°C 2017 | 8°C 2002 | 34% |
| May 23 | 29°C | 13°C | 33°C 2017 | 8°C 2012 | 34% |
| May 24 | 29°C | 13°C | 34°C 2011 | 8°C 2006 | 34% |
| May 25 | 29°C | 13°C | 35°C 2011 | 9°C 2006 | 35% |
| May 26 | 29°C | 13°C | 34°C 2011 | 10°C 2001 | 36% |
| May 27 | 29°C | 13°C | 34°C 2011 | 9°C 2001 | 37% |
| May 28 | 29°C | 13°C | 33°C 2011 | 8°C 2001 | 36% |
| May 29 | 29°C | 13°C | 34°C 2018 | 9°C 2012 | 38% |
| May 30 | 29°C | 13°C | 34°C 2018 | 9°C 2008 | 40% |
| May 31 | 28°C | 13°C | 34°C 2012 | 10°C 1994 | 42% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (CST).
- May 1
- sunrise 6:10 AM, sunset 7:04 PM
- May 31
- sunrise 5:59 AM, sunset 7:16 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.