Grajaú Weather in May
Average highs run from 30°C on May 1 to 31°C on May 31, and lows from 22°C to 22°C. Normal precipitation for the month is 71 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
- 31°C
- Average low
- 22°C
- Precipitation
- 71 mm
- Reanalysis high
- 38°CMay 27, 1998
- Reanalysis low
- 18°CMay 26, 2000
- Daylight
- 11 h 54 min to 11 h 48 min
- Cloud cover
- 57%
- Humidity
- 80%
- Dew point
- 22°C
- Wind
- 9.0 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 | 30°C | 22°C | 34°C 2016 | 21°C 2007 | 55% |
| May 2 | 30°C | 22°C | 34°C 2016 | 21°C 2000 | 54% |
| May 3 | 30°C | 22°C | 34°C 2020 | 20°C 2004 | 53% |
| May 4 | 30°C | 22°C | 33°C 2020 | 20°C 1994 | 52% |
| May 5 | 30°C | 22°C | 33°C 2012 | 20°C 2019 | 51% |
| May 6 | 30°C | 22°C | 35°C 2018 | 20°C 2018 | 50% |
| May 7 | 30°C | 22°C | 35°C 2018 | 21°C 1999 | 48% |
| May 8 | 31°C | 22°C | 37°C 2016 | 20°C 1994 | 46% |
| May 9 | 31°C | 22°C | 37°C 2016 | 20°C 2011 | 43% |
| May 10 | 31°C | 22°C | 35°C 2016 | 20°C 2011 | 41% |
| May 11 | 31°C | 22°C | 35°C 2020 | 21°C 2002 | 40% |
| May 12 | 31°C | 22°C | 36°C 1998 | 19°C 1997 | 39% |
| May 13 | 31°C | 22°C | 36°C 2020 | 19°C 1997 | 39% |
| May 14 | 31°C | 22°C | 36°C 2020 | 19°C 2000 | 38% |
| May 15 | 31°C | 22°C | 37°C 1998 | 19°C 2008 | 37% |
| May 16 | 31°C | 22°C | 37°C 1998 | 20°C 2000 | 35% |
| May 17 | 31°C | 22°C | 36°C 2015 | 20°C 2003 | 34% |
| May 18 | 31°C | 22°C | 37°C 1998 | 20°C 2008 | 35% |
| May 19 | 31°C | 22°C | 36°C 1998 | 20°C 2012 | 35% |
| May 20 | 31°C | 22°C | 37°C 1998 | 19°C 2008 | 34% |
| May 21 | 31°C | 22°C | 35°C 2016 | 20°C 1991 | 34% |
| May 22 | 31°C | 22°C | 36°C 1998 | 20°C 1997 | 33% |
| May 23 | 31°C | 22°C | 37°C 2016 | 19°C 2011 | 32% |
| May 24 | 31°C | 22°C | 37°C 1998 | 19°C 2000 | 32% |
| May 25 | 31°C | 22°C | 37°C 1998 | 18°C 2000 | 32% |
| May 26 | 31°C | 22°C | 37°C 1998 | 18°C 2000 | 30% |
| May 27 | 31°C | 22°C | 38°C 1998 | 20°C 2008 | 29% |
| May 28 | 31°C | 22°C | 38°C 1998 | 19°C 1991 | 28% |
| May 29 | 31°C | 22°C | 36°C 1998 | 19°C 1999 | 27% |
| May 30 | 31°C | 22°C | 37°C 1998 | 18°C 1999 | 26% |
| May 31 | 31°C | 22°C | 37°C 1998 | 19°C 1999 | 24% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT-3).
- May 1
- sunrise 6:05 AM, sunset 5:59 PM
- May 31
- sunrise 6:08 AM, sunset 5:56 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.