Ílhavo Weather in August
Average highs run from 27°C on August 1 to 26°C on August 31, and lows from 16°C to 16°C. Normal precipitation for the month is 19 mm over about 3 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
- 27°C
- Average low
- 16°C
- Precipitation
- 19 mm
- Reanalysis high
- 38°CAug 2, 2003
- Reanalysis low
- 12°CAug 2, 2002
- Daylight
- 14 h 18 min to 13 h 08 min
- Cloud cover
- 34%
- Humidity
- 70%
- Dew point
- 15°C
- Wind
- 10.4 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 | 27°C | 16°C | 36°C 2003 | 13°C 2017 | 6% |
| Aug 2 | 27°C | 17°C | 38°C 2003 | 12°C 2002 | 7% |
| Aug 3 | 27°C | 17°C | 36°C 2018 | 14°C 2009 | 8% |
| Aug 4 | 27°C | 17°C | 37°C 2018 | 14°C 1993 | 8% |
| Aug 5 | 27°C | 17°C | 36°C 2005 | 14°C 2019 | 8% |
| Aug 6 | 27°C | 17°C | 36°C 2005 | 14°C 2002 | 8% |
| Aug 7 | 27°C | 17°C | 37°C 2003 | 13°C 2012 | 8% |
| Aug 8 | 27°C | 17°C | 36°C 2003 | 14°C 2017 | 8% |
| Aug 9 | 27°C | 17°C | 34°C 2003 | 14°C 2017 | 8% |
| Aug 10 | 27°C | 17°C | 34°C 2006 | 14°C 2018 | 9% |
| Aug 11 | 27°C | 17°C | 34°C 2006 | 13°C 2002 | 9% |
| Aug 12 | 27°C | 17°C | 33°C 2003 | 14°C 1992 | 10% |
| Aug 13 | 27°C | 17°C | 34°C 2005 | 13°C 2019 | 10% |
| Aug 14 | 27°C | 17°C | 35°C 2005 | 13°C 2015 | 10% |
| Aug 15 | 27°C | 17°C | 34°C 2005 | 13°C 2008 | 10% |
| Aug 16 | 27°C | 17°C | 35°C 1991 | 14°C 2007 | 10% |
| Aug 17 | 27°C | 17°C | 35°C 1991 | 14°C 2001 | 10% |
| Aug 18 | 27°C | 16°C | 32°C 1992 | 15°C 2016 | 10% |
| Aug 19 | 27°C | 16°C | 33°C 1993 | 14°C 2014 | 10% |
| Aug 20 | 27°C | 16°C | 36°C 2017 | 13°C 2008 | 11% |
| Aug 21 | 26°C | 16°C | 33°C 2018 | 14°C 2016 | 12% |
| Aug 22 | 26°C | 16°C | 33°C 1998 | 14°C 1996 | 12% |
| Aug 23 | 26°C | 16°C | 33°C 1998 | 13°C 1991 | 12% |
| Aug 24 | 26°C | 16°C | 34°C 1998 | 14°C 2014 | 13% |
| Aug 25 | 26°C | 16°C | 34°C 1998 | 13°C 2015 | 13% |
| Aug 26 | 27°C | 16°C | 33°C 1995 | 14°C 2012 | 12% |
| Aug 27 | 27°C | 16°C | 33°C 1995 | 12°C 2011 | 12% |
| Aug 28 | 26°C | 16°C | 34°C 1995 | 15°C 2011 | 13% |
| Aug 29 | 26°C | 16°C | 34°C 1995 | 14°C 2016 | 14% |
| Aug 30 | 26°C | 16°C | 35°C 2010 | 14°C 2018 | 14% |
| Aug 31 | 26°C | 16°C | 32°C 2018 | 14°C 2020 | 15% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+1).
- August 1
- sunrise 6:32 AM, sunset 8:50 PM
- August 31
- sunrise 7:01 AM, sunset 8:09 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.