São João do Piauí climate

São João do Piauí Weather in August

NASA POWER reanalysis for the half-degree grid cell around São João do Piauí, 1991-2020; a grid cell is an area average and can differ from a thermometer in town by several degrees

Average highs run from 34°C on August 1 to 36°C on August 31, and lows from 20°C to 21°C. Normal precipitation for the month is 0 mm over about 0 wet days.

August day by day

The normal high and low for each date, in °C.

Normal daily high and low temperature at São João do Piauí, in °C, with the record for each date.152025303540151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

August at a glance

Average high
35°C
Average low
20°C
Precipitation
0 mm
Reanalysis high
39°CAug 29, 2004
Reanalysis low
17°CAug 19, 2010
Daylight
11 h 45 min to 11 h 57 min
Cloud cover
18%
Humidity
45%
Dew point
13°C
Wind
23.8 km/h

Every day of the month

A wet day has at least 1 mm of precipitation in the reanalysis.

DateNormal highNormal lowReanalysis highReanalysis lowChance wet
Aug 134°C20°C35°C 200617°C 20070%
Aug 234°C20°C36°C 201118°C 20010%
Aug 334°C20°C36°C 201118°C 20010%
Aug 434°C20°C37°C 201717°C 20010%
Aug 534°C20°C37°C 201718°C 20120%
Aug 634°C20°C37°C 201818°C 20010%
Aug 734°C20°C36°C 199617°C 20010%
Aug 834°C20°C36°C 199618°C 20010%
Aug 934°C20°C36°C 199618°C 20140%
Aug 1034°C20°C37°C 201718°C 20140%
Aug 1134°C20°C38°C 199618°C 20100%
Aug 1235°C20°C38°C 201817°C 20150%
Aug 1335°C20°C37°C 201817°C 20100%
Aug 1435°C20°C36°C 201817°C 20040%
Aug 1535°C20°C37°C 199918°C 20070%
Aug 1635°C20°C37°C 201618°C 20070%
Aug 1735°C20°C38°C 201618°C 19910%
Aug 1835°C20°C37°C 201617°C 20070%
Aug 1935°C20°C36°C 199317°C 20100%
Aug 2035°C20°C37°C 199317°C 20100%
Aug 2135°C20°C38°C 200618°C 20050%
Aug 2235°C20°C38°C 200919°C 20030%
Aug 2335°C20°C37°C 201618°C 19910%
Aug 2435°C20°C37°C 200418°C 20120%
Aug 2535°C20°C38°C 199718°C 20120%
Aug 2635°C20°C37°C 199219°C 20080%
Aug 2736°C20°C38°C 201519°C 19990%
Aug 2836°C20°C39°C 201318°C 19990%
Aug 2936°C21°C39°C 200419°C 19990%
Aug 3036°C21°C38°C 200419°C 20070%
Aug 3136°C21°C37°C 200419°C 20181%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at São João do Piauí, in percent.00.20.40.60.81102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT-3).

August 1
sunrise 6:03 AM, sunset 5:48 PM
August 31
sunrise 5:51 AM, sunset 5:48 PM

Every day of August: sun and moon

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.