São Simão Weather in May
Average highs run from 30°C on May 1 to 29°C on May 31, and lows from 18°C to 16°C. Normal precipitation for the month is 34 mm over about 6 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
- 17°C
- Precipitation
- 34 mm
- Reanalysis high
- 36°CMay 9, 2016
- Reanalysis low
- 8°CMay 9, 2003
- Daylight
- 11 h 24 min to 11 h 04 min
- Cloud cover
- 39%
- Humidity
- 72%
- Dew point
- 16°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 | 30°C | 18°C | 34°C 2001 | 11°C 2016 | 18% |
| May 2 | 30°C | 18°C | 34°C 2001 | 11°C 2012 | 17% |
| May 3 | 30°C | 18°C | 35°C 2001 | 12°C 2012 | 18% |
| May 4 | 29°C | 18°C | 33°C 2001 | 10°C 2006 | 17% |
| May 5 | 29°C | 18°C | 33°C 2016 | 12°C 2006 | 17% |
| May 6 | 29°C | 18°C | 34°C 2016 | 10°C 2006 | 17% |
| May 7 | 29°C | 17°C | 35°C 2016 | 12°C 2003 | 17% |
| May 8 | 29°C | 17°C | 33°C 2016 | 9°C 2003 | 18% |
| May 9 | 29°C | 17°C | 36°C 2016 | 8°C 2003 | 19% |
| May 10 | 29°C | 17°C | 35°C 2016 | 12°C 2003 | 20% |
| May 11 | 29°C | 17°C | 35°C 2005 | 11°C 2006 | 20% |
| May 12 | 29°C | 17°C | 34°C 2005 | 11°C 2006 | 19% |
| May 13 | 29°C | 17°C | 34°C 2005 | 10°C 2010 | 19% |
| May 14 | 29°C | 17°C | 34°C 2016 | 11°C 2006 | 19% |
| May 15 | 29°C | 17°C | 35°C 2016 | 11°C 2006 | 21% |
| May 16 | 29°C | 17°C | 34°C 2016 | 12°C 2006 | 22% |
| May 17 | 29°C | 17°C | 34°C 2005 | 12°C 1991 | 23% |
| May 18 | 29°C | 17°C | 33°C 2002 | 12°C 2001 | 22% |
| May 19 | 29°C | 17°C | 34°C 2005 | 11°C 2000 | 22% |
| May 20 | 29°C | 17°C | 34°C 2016 | 11°C 2010 | 22% |
| May 21 | 29°C | 17°C | 34°C 2005 | 8°C 2018 | 22% |
| May 22 | 29°C | 16°C | 33°C 2014 | 8°C 2018 | 21% |
| May 23 | 29°C | 16°C | 31°C 2019 | 9°C 1999 | 21% |
| May 24 | 29°C | 16°C | 33°C 2005 | 10°C 2018 | 19% |
| May 25 | 29°C | 16°C | 32°C 1994 | 9°C 2007 | 19% |
| May 26 | 29°C | 16°C | 33°C 1994 | 10°C 2007 | 19% |
| May 27 | 29°C | 16°C | 33°C 2019 | 10°C 2020 | 19% |
| May 28 | 29°C | 16°C | 33°C 2019 | 10°C 2020 | 18% |
| May 29 | 29°C | 16°C | 33°C 2019 | 11°C 2020 | 18% |
| May 30 | 29°C | 16°C | 34°C 2019 | 10°C 2007 | 16% |
| May 31 | 29°C | 16°C | 33°C 2019 | 9°C 1999 | 15% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT-3).
- May 1
- sunrise 6:37 AM, sunset 6:01 PM
- May 31
- sunrise 6:48 AM, sunset 5:52 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.