São João do Piauí Weather in January
Average highs run from 34°C on January 1 to 33°C on January 31, and lows from 23°C to 23°C. Normal precipitation for the month is 112 mm over about 16 wet days.
January day by day
The normal high and low for each date, in °C.
- Normal low
- Normal high
- Reanalysis extreme high
- Reanalysis extreme low
January at a glance
- Average high
- 33°C
- Average low
- 23°C
- Precipitation
- 112 mm
- Reanalysis high
- 41°CJan 27, 2006
- Reanalysis low
- 19°CJan 24, 1997
- Daylight
- 12 h 36 min to 12 h 28 min
- Cloud cover
- 66%
- Humidity
- 63%
- Dew point
- 19°C
- Wind
- 11.9 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 |
|---|---|---|---|---|---|
| Jan 1 | 34°C | 23°C | 39°C 2017 | 20°C 1993 | 42% |
| Jan 2 | 34°C | 23°C | 39°C 2017 | 21°C 2011 | 42% |
| Jan 3 | 34°C | 23°C | 38°C 2019 | 20°C 2001 | 44% |
| Jan 4 | 34°C | 23°C | 38°C 2005 | 20°C 2010 | 44% |
| Jan 5 | 34°C | 23°C | 39°C 2017 | 20°C 1992 | 44% |
| Jan 6 | 34°C | 23°C | 40°C 2008 | 20°C 2014 | 44% |
| Jan 7 | 34°C | 23°C | 40°C 2008 | 21°C 2014 | 45% |
| Jan 8 | 34°C | 23°C | 39°C 2005 | 21°C 1995 | 44% |
| Jan 9 | 34°C | 23°C | 38°C 2017 | 21°C 2001 | 43% |
| Jan 10 | 34°C | 23°C | 38°C 2015 | 20°C 2010 | 44% |
| Jan 11 | 34°C | 23°C | 39°C 2015 | 20°C 2000 | 46% |
| Jan 12 | 33°C | 23°C | 38°C 2008 | 20°C 2000 | 46% |
| Jan 13 | 33°C | 23°C | 38°C 2008 | 21°C 1994 | 47% |
| Jan 14 | 33°C | 23°C | 38°C 2008 | 21°C 2001 | 48% |
| Jan 15 | 33°C | 23°C | 38°C 2017 | 21°C 2011 | 48% |
| Jan 16 | 33°C | 23°C | 38°C 2017 | 20°C 1995 | 49% |
| Jan 17 | 33°C | 23°C | 39°C 2019 | 20°C 1992 | 50% |
| Jan 18 | 33°C | 23°C | 39°C 2015 | 21°C 2001 | 50% |
| Jan 19 | 33°C | 23°C | 38°C 2014 | 20°C 2011 | 51% |
| Jan 20 | 33°C | 23°C | 38°C 2007 | 21°C 1997 | 52% |
| Jan 21 | 33°C | 23°C | 38°C 2019 | 20°C 1994 | 52% |
| Jan 22 | 33°C | 23°C | 40°C 2007 | 20°C 2000 | 52% |
| Jan 23 | 33°C | 23°C | 39°C 2019 | 20°C 2002 | 51% |
| Jan 24 | 33°C | 23°C | 37°C 2007 | 19°C 1997 | 50% |
| Jan 25 | 33°C | 23°C | 39°C 2006 | 20°C 2004 | 51% |
| Jan 26 | 33°C | 23°C | 40°C 2006 | 21°C 1991 | 50% |
| Jan 27 | 33°C | 23°C | 41°C 2006 | 20°C 2009 | 50% |
| Jan 28 | 33°C | 23°C | 39°C 2007 | 20°C 2009 | 50% |
| Jan 29 | 33°C | 23°C | 38°C 2015 | 20°C 1997 | 50% |
| Jan 30 | 33°C | 23°C | 39°C 2007 | 20°C 2016 | 49% |
| Jan 31 | 33°C | 23°C | 39°C 2006 | 20°C 2016 | 48% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT-3).
- January 1
- sunrise 5:35 AM, sunset 6:11 PM
- January 31
- sunrise 5:48 AM, sunset 6:16 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.