Santa Catarina Weather in December
Average highs run from 21°C on December 1 to 19°C on December 31, and lows from 6°C to 4°C. Normal precipitation for the month is 12 mm over about 3 wet days.
December day by day
The normal high and low for each date, in °C.
- Normal low
- Normal high
- Reanalysis extreme high
- Reanalysis extreme low
December at a glance
- Average high
- 20°C
- Average low
- 5°C
- Precipitation
- 12 mm
- Reanalysis high
- 29°CDec 9, 2019
- Reanalysis low
- -6°CDec 19, 1996
- Daylight
- 10 h 39 min to 10 h 34 min
- Cloud cover
- 47%
- Humidity
- 57%
- Dew point
- 1°C
- Wind
- 11.5 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 |
|---|---|---|---|---|---|
| Dec 1 | 21°C | 6°C | 27°C 2007 | -1°C 2010 | 8% |
| Dec 2 | 21°C | 6°C | 26°C 1995 | 1°C 2008 | 7% |
| Dec 3 | 21°C | 6°C | 26°C 2012 | -1°C 2006 | 7% |
| Dec 4 | 21°C | 6°C | 27°C 2017 | -1°C 2006 | 7% |
| Dec 5 | 21°C | 6°C | 28°C 1998 | -2°C 2009 | 7% |
| Dec 6 | 21°C | 6°C | 28°C 1994 | -1°C 2020 | 6% |
| Dec 7 | 21°C | 6°C | 27°C 2007 | -4°C 2017 | 7% |
| Dec 8 | 21°C | 6°C | 27°C 1994 | -6°C 2017 | 8% |
| Dec 9 | 21°C | 6°C | 29°C 2019 | -4°C 2017 | 9% |
| Dec 10 | 21°C | 6°C | 27°C 1996 | -1°C 2008 | 9% |
| Dec 11 | 20°C | 6°C | 27°C 2007 | -5°C 1997 | 9% |
| Dec 12 | 20°C | 6°C | 26°C 1993 | -6°C 1997 | 9% |
| Dec 13 | 20°C | 5°C | 26°C 2005 | -6°C 1997 | 9% |
| Dec 14 | 20°C | 5°C | 27°C 2019 | -3°C 1997 | 9% |
| Dec 15 | 20°C | 5°C | 28°C 2019 | -2°C 2018 | 8% |
| Dec 16 | 20°C | 5°C | 28°C 2016 | -2°C 2003 | 7% |
| Dec 17 | 20°C | 5°C | 25°C 1995 | -3°C 2003 | 8% |
| Dec 18 | 20°C | 5°C | 27°C 2012 | -6°C 1996 | 8% |
| Dec 19 | 20°C | 5°C | 27°C 2007 | -6°C 1996 | 8% |
| Dec 20 | 20°C | 5°C | 27°C 2008 | -2°C 1996 | 8% |
| Dec 21 | 20°C | 5°C | 28°C 1998 | -2°C 1996 | 8% |
| Dec 22 | 20°C | 5°C | 25°C 2010 | -2°C 1999 | 8% |
| Dec 23 | 20°C | 5°C | 26°C 2020 | -1°C 2003 | 8% |
| Dec 24 | 20°C | 5°C | 25°C 2015 | -5°C 2004 | 8% |
| Dec 25 | 20°C | 5°C | 27°C 2015 | -5°C 2004 | 8% |
| Dec 26 | 19°C | 5°C | 26°C 2008 | -3°C 2006 | 10% |
| Dec 27 | 19°C | 5°C | 25°C 1998 | -4°C 1997 | 10% |
| Dec 28 | 19°C | 4°C | 26°C 2020 | -2°C 2015 | 10% |
| Dec 29 | 19°C | 4°C | 27°C 2020 | -2°C 1997 | 10% |
| Dec 30 | 19°C | 4°C | 25°C 1999 | -1°C 2000 | 10% |
| Dec 31 | 19°C | 4°C | 25°C 2005 | 1°C 2001 | 11% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (CST).
- December 1
- sunrise 7:11 AM, sunset 5:50 PM
- December 31
- sunrise 7:28 AM, sunset 6:02 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.