Castro Weather in October
Average highs run from 12°C on October 1 to 13°C on October 31, and lows from 6°C to 7°C. Normal precipitation for the month is 115 mm over about 16 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
- 13°C
- Average low
- 6°C
- Precipitation
- 115 mm
- Reanalysis high
- 22°COct 30, 1999
- Reanalysis low
- 1°COct 2, 2020
- Daylight
- 12 h 34 min to 13 h 58 min
- Cloud cover
- 73%
- Humidity
- 85%
- Dew point
- 7°C
- Wind
- 11.2 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 | 12°C | 6°C | 17°C 2000 | 1°C 2020 | 50% |
| Oct 2 | 12°C | 6°C | 16°C 2004 | 1°C 2020 | 51% |
| Oct 3 | 12°C | 6°C | 17°C 2004 | 2°C 1991 | 52% |
| Oct 4 | 12°C | 6°C | 17°C 2004 | 2°C 2020 | 53% |
| Oct 5 | 12°C | 6°C | 16°C 2004 | 3°C 2009 | 53% |
| Oct 6 | 12°C | 6°C | 18°C 1993 | 2°C 2009 | 52% |
| Oct 7 | 12°C | 6°C | 19°C 2008 | 3°C 2007 | 52% |
| Oct 8 | 12°C | 6°C | 17°C 2008 | 2°C 2015 | 52% |
| Oct 9 | 12°C | 6°C | 15°C 1999 | 2°C 2010 | 53% |
| Oct 10 | 12°C | 6°C | 18°C 1994 | 3°C 2001 | 54% |
| Oct 11 | 12°C | 6°C | 17°C 1994 | 4°C 2013 | 54% |
| Oct 12 | 12°C | 6°C | 16°C 1993 | 3°C 1998 | 55% |
| Oct 13 | 12°C | 6°C | 18°C 2003 | 3°C 2009 | 55% |
| Oct 14 | 13°C | 6°C | 16°C 2003 | 3°C 2020 | 57% |
| Oct 15 | 13°C | 6°C | 20°C 2001 | 4°C 1991 | 57% |
| Oct 16 | 13°C | 6°C | 18°C 2020 | 4°C 2015 | 58% |
| Oct 17 | 13°C | 6°C | 18°C 2006 | 4°C 1993 | 57% |
| Oct 18 | 13°C | 6°C | 18°C 2016 | 3°C 1996 | 57% |
| Oct 19 | 13°C | 6°C | 19°C 2016 | 3°C 1996 | 58% |
| Oct 20 | 13°C | 6°C | 19°C 2016 | 3°C 1996 | 59% |
| Oct 21 | 13°C | 6°C | 18°C 1999 | 3°C 2020 | 59% |
| Oct 22 | 13°C | 6°C | 18°C 2016 | 3°C 2015 | 58% |
| Oct 23 | 13°C | 6°C | 18°C 1993 | 3°C 1998 | 58% |
| Oct 24 | 13°C | 6°C | 19°C 1993 | 3°C 1998 | 57% |
| Oct 25 | 13°C | 6°C | 19°C 1993 | 3°C 2011 | 56% |
| Oct 26 | 13°C | 6°C | 18°C 2011 | 4°C 1995 | 57% |
| Oct 27 | 13°C | 6°C | 19°C 2016 | 3°C 1997 | 56% |
| Oct 28 | 13°C | 7°C | 20°C 1995 | 3°C 1997 | 56% |
| Oct 29 | 13°C | 7°C | 21°C 1995 | 4°C 2015 | 56% |
| Oct 30 | 13°C | 7°C | 22°C 1999 | 3°C 2009 | 57% |
| Oct 31 | 13°C | 7°C | 19°C 1999 | 3°C 2009 | 57% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT-3).
- October 1
- sunrise 7:28 AM, sunset 8:02 PM
- October 31
- sunrise 6:40 AM, sunset 8:38 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.