Porto Nacional Weather in August
Average highs run from 33°C on August 1 to 37°C on August 31, and lows from 19°C to 22°C. Normal precipitation for the month is 3 mm over about 0 wet days.
August day by day
The normal high and low for each date, in °C.
- Normal low
- Normal high
- Reanalysis extreme high
- Reanalysis extreme low
August at a glance
- Average high
- 35°C
- Average low
- 20°C
- Precipitation
- 3 mm
- Reanalysis high
- 40°CAug 18, 2016
- Reanalysis low
- 14°CAug 4, 1997
- Daylight
- 11 h 39 min to 11 h 54 min
- Cloud cover
- 24%
- Humidity
- 49%
- Dew point
- 14°C
- Wind
- 12.6 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 |
|---|---|---|---|---|---|
| Aug 1 | 33°C | 19°C | 37°C 2018 | 15°C 1997 | 0% |
| Aug 2 | 34°C | 19°C | 37°C 2018 | 16°C 2012 | 0% |
| Aug 3 | 34°C | 19°C | 38°C 2019 | 16°C 1997 | 0% |
| Aug 4 | 34°C | 19°C | 38°C 2019 | 14°C 1997 | 1% |
| Aug 5 | 34°C | 19°C | 38°C 2017 | 15°C 2004 | 1% |
| Aug 6 | 34°C | 19°C | 38°C 2018 | 16°C 1997 | 2% |
| Aug 7 | 34°C | 19°C | 38°C 2018 | 16°C 2006 | 2% |
| Aug 8 | 34°C | 19°C | 38°C 2016 | 16°C 2006 | 2% |
| Aug 9 | 35°C | 19°C | 38°C 2017 | 16°C 1995 | 3% |
| Aug 10 | 35°C | 19°C | 39°C 2017 | 16°C 2002 | 4% |
| Aug 11 | 35°C | 19°C | 39°C 2016 | 16°C 2012 | 4% |
| Aug 12 | 35°C | 20°C | 39°C 2016 | 17°C 2008 | 4% |
| Aug 13 | 35°C | 20°C | 38°C 2016 | 16°C 2015 | 3% |
| Aug 14 | 35°C | 20°C | 39°C 2016 | 16°C 2004 | 4% |
| Aug 15 | 35°C | 20°C | 39°C 2016 | 15°C 2004 | 4% |
| Aug 16 | 35°C | 20°C | 39°C 2016 | 16°C 2004 | 4% |
| Aug 17 | 35°C | 20°C | 40°C 2016 | 16°C 2000 | 4% |
| Aug 18 | 35°C | 20°C | 40°C 2016 | 16°C 2000 | 4% |
| Aug 19 | 35°C | 20°C | 40°C 2016 | 16°C 1995 | 4% |
| Aug 20 | 36°C | 20°C | 39°C 2017 | 17°C 1995 | 4% |
| Aug 21 | 36°C | 21°C | 40°C 2016 | 17°C 1997 | 3% |
| Aug 22 | 36°C | 21°C | 39°C 2017 | 17°C 1994 | 3% |
| Aug 23 | 36°C | 21°C | 40°C 2016 | 17°C 2012 | 3% |
| Aug 24 | 36°C | 21°C | 39°C 2016 | 18°C 1999 | 3% |
| Aug 25 | 36°C | 21°C | 38°C 1992 | 16°C 1995 | 3% |
| Aug 26 | 36°C | 21°C | 39°C 1992 | 17°C 1991 | 3% |
| Aug 27 | 37°C | 21°C | 39°C 1998 | 16°C 1995 | 4% |
| Aug 28 | 37°C | 22°C | 40°C 1998 | 18°C 1994 | 6% |
| Aug 29 | 37°C | 22°C | 39°C 2017 | 17°C 1997 | 6% |
| Aug 30 | 37°C | 22°C | 39°C 2017 | 18°C 1997 | 7% |
| Aug 31 | 37°C | 22°C | 40°C 2017 | 18°C 1999 | 9% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT-3).
- August 1
- sunrise 6:31 AM, sunset 6:10 PM
- August 31
- sunrise 6:17 AM, sunset 6:11 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.