Castelo Weather in October
Average highs run from 28°C on October 1 to 28°C on October 31, and lows from 16°C to 18°C. Normal precipitation for the month is 99 mm over about 12 wet days.
October day by day
The normal high and low for each date, in °C.
- Normal low
- Normal high
- Reanalysis extreme high
- Reanalysis extreme low
October at a glance
- Average high
- 29°C
- Average low
- 17°C
- Precipitation
- 99 mm
- Reanalysis high
- 39°COct 21, 2015
- Reanalysis low
- 9°COct 18, 2003
- Daylight
- 12 h 17 min to 12 h 51 min
- Cloud cover
- 68%
- Humidity
- 73%
- Dew point
- 16°C
- Wind
- 15.5 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 |
|---|---|---|---|---|---|
| Oct 1 | 28°C | 16°C | 35°C 2020 | 11°C 1994 | 42% |
| Oct 2 | 28°C | 16°C | 37°C 1999 | 13°C 2007 | 42% |
| Oct 3 | 28°C | 16°C | 38°C 2020 | 14°C 2014 | 41% |
| Oct 4 | 29°C | 16°C | 36°C 2015 | 12°C 2014 | 40% |
| Oct 5 | 29°C | 16°C | 36°C 2000 | 11°C 2014 | 40% |
| Oct 6 | 29°C | 16°C | 37°C 2020 | 12°C 2014 | 39% |
| Oct 7 | 29°C | 16°C | 38°C 2020 | 12°C 2014 | 38% |
| Oct 8 | 29°C | 17°C | 37°C 2020 | 12°C 1993 | 37% |
| Oct 9 | 29°C | 17°C | 33°C 1999 | 10°C 1993 | 37% |
| Oct 10 | 29°C | 17°C | 35°C 2015 | 13°C 2013 | 38% |
| Oct 11 | 29°C | 17°C | 35°C 2015 | 12°C 2013 | 38% |
| Oct 12 | 29°C | 17°C | 35°C 2014 | 11°C 1994 | 39% |
| Oct 13 | 29°C | 17°C | 35°C 2000 | 11°C 1994 | 39% |
| Oct 14 | 29°C | 17°C | 36°C 2014 | 13°C 1991 | 39% |
| Oct 15 | 29°C | 17°C | 37°C 2015 | 12°C 2003 | 40% |
| Oct 16 | 29°C | 17°C | 39°C 2015 | 11°C 2003 | 41% |
| Oct 17 | 29°C | 17°C | 38°C 2015 | 9°C 2003 | 40% |
| Oct 18 | 29°C | 17°C | 36°C 2014 | 9°C 2003 | 41% |
| Oct 19 | 29°C | 17°C | 36°C 2014 | 12°C 2011 | 43% |
| Oct 20 | 30°C | 17°C | 37°C 2016 | 11°C 2011 | 44% |
| Oct 21 | 29°C | 17°C | 39°C 2015 | 12°C 2011 | 46% |
| Oct 22 | 29°C | 17°C | 38°C 2015 | 12°C 1998 | 48% |
| Oct 23 | 29°C | 17°C | 35°C 2000 | 13°C 1999 | 50% |
| Oct 24 | 29°C | 17°C | 35°C 2012 | 12°C 1999 | 53% |
| Oct 25 | 29°C | 17°C | 34°C 1994 | 13°C 1999 | 55% |
| Oct 26 | 29°C | 17°C | 34°C 2005 | 13°C 2001 | 56% |
| Oct 27 | 29°C | 17°C | 37°C 2008 | 11°C 2001 | 56% |
| Oct 28 | 29°C | 17°C | 36°C 2012 | 13°C 2001 | 57% |
| Oct 29 | 28°C | 18°C | 36°C 2012 | 14°C 2006 | 58% |
| Oct 30 | 28°C | 18°C | 37°C 2012 | 14°C 1993 | 58% |
| Oct 31 | 28°C | 18°C | 38°C 2012 | 13°C 1999 | 60% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT-3).
- October 1
- sunrise 5:26 AM, sunset 5:43 PM
- October 31
- sunrise 5:03 AM, sunset 5:54 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.