Castelo Weather in January
Average highs run from 28°C on January 1 to 28°C on January 31, and lows from 19°C to 19°C. Normal precipitation for the month is 177 mm over about 19 wet days.
January day by day
The normal high and low for each date, in °C.
- Normal low
- Normal high
- Reanalysis extreme high
- Reanalysis extreme low
January at a glance
- Average high
- 28°C
- Average low
- 19°C
- Precipitation
- 177 mm
- Reanalysis high
- 38°CJan 2, 2015
- Reanalysis low
- 13°CJan 1, 1991
- Daylight
- 13 h 21 min to 13 h 02 min
- Cloud cover
- 62%
- Humidity
- 82%
- Dew point
- 19°C
- Wind
- 13.7 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 |
|---|---|---|---|---|---|
| Jan 1 | 28°C | 19°C | 37°C 2015 | 13°C 1991 | 65% |
| Jan 2 | 28°C | 19°C | 38°C 2015 | 15°C 1991 | 63% |
| Jan 3 | 28°C | 19°C | 36°C 2015 | 17°C 2010 | 62% |
| Jan 4 | 28°C | 19°C | 34°C 2015 | 17°C 2004 | 60% |
| Jan 5 | 28°C | 19°C | 33°C 2015 | 17°C 2016 | 59% |
| Jan 6 | 28°C | 19°C | 34°C 2013 | 17°C 2016 | 59% |
| Jan 7 | 28°C | 19°C | 35°C 2013 | 16°C 2014 | 58% |
| Jan 8 | 28°C | 19°C | 34°C 2013 | 16°C 2003 | 58% |
| Jan 9 | 28°C | 19°C | 33°C 1995 | 17°C 2006 | 57% |
| Jan 10 | 28°C | 19°C | 35°C 2015 | 17°C 2006 | 57% |
| Jan 11 | 28°C | 19°C | 35°C 2015 | 15°C 2000 | 56% |
| Jan 12 | 28°C | 19°C | 36°C 2015 | 17°C 2012 | 55% |
| Jan 13 | 28°C | 19°C | 35°C 2015 | 17°C 1996 | 55% |
| Jan 14 | 28°C | 19°C | 34°C 2015 | 16°C 1993 | 55% |
| Jan 15 | 28°C | 19°C | 35°C 2015 | 17°C 1996 | 56% |
| Jan 16 | 28°C | 19°C | 36°C 2019 | 16°C 1996 | 57% |
| Jan 17 | 28°C | 19°C | 36°C 1995 | 17°C 1996 | 58% |
| Jan 18 | 28°C | 19°C | 36°C 1995 | 16°C 2004 | 58% |
| Jan 19 | 28°C | 19°C | 36°C 1995 | 14°C 2004 | 58% |
| Jan 20 | 28°C | 19°C | 36°C 2015 | 13°C 2004 | 58% |
| Jan 21 | 28°C | 19°C | 36°C 2015 | 17°C 2013 | 57% |
| Jan 22 | 28°C | 19°C | 36°C 2015 | 17°C 2006 | 57% |
| Jan 23 | 28°C | 19°C | 34°C 2019 | 17°C 2013 | 56% |
| Jan 24 | 28°C | 19°C | 34°C 2019 | 17°C 2013 | 55% |
| Jan 25 | 28°C | 19°C | 34°C 2015 | 17°C 1993 | 54% |
| Jan 26 | 28°C | 19°C | 34°C 2006 | 17°C 2008 | 54% |
| Jan 27 | 28°C | 19°C | 34°C 2019 | 18°C 1996 | 54% |
| Jan 28 | 28°C | 19°C | 36°C 2015 | 17°C 2000 | 53% |
| Jan 29 | 28°C | 19°C | 37°C 2015 | 17°C 2014 | 54% |
| Jan 30 | 28°C | 19°C | 38°C 2015 | 16°C 1993 | 53% |
| Jan 31 | 28°C | 19°C | 37°C 2015 | 17°C 2014 | 54% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT-3).
- January 1
- sunrise 5:08 AM, sunset 6:29 PM
- January 31
- sunrise 5:27 AM, sunset 6:29 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.