Río Gallegos Weather in December
Average highs run from 18°C on December 1 to 21°C on December 31, and lows from 6°C to 7°C. Normal precipitation for the month is 42 mm over about 10 wet days.
December day by day
The normal high and low for each date, and the record, in °C.
- Normal low
- Normal high
- Record high
- Record low
December at a glance
- Average high
- 19°C
- Average low
- 6°C
- Precipitation
- 42 mm
- Record high
- 31°CDec 27, 1995
- Record low
- -2°CDec 10, 2010
- Daylight
- 16 h 17 min to 16 h 34 min
- Cloud cover
- 76%
- Humidity
- 63%
- Dew point
- 4°C
- Wind
- 26.3 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 | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Dec 1 | 18°C | 6°C | 25°C 2013 | 1°C 2009 | 31% |
| Dec 2 | 18°C | 6°C | 27°C 1982 | 0°C 1990 | 31% |
| Dec 3 | 18°C | 6°C | 26°C 1982 | -2°C 1967 | 30% |
| Dec 4 | 18°C | 6°C | 25°C 1974 | -1°C 1960 | 30% |
| Dec 5 | 7°C | 27°C 1972 | 0°C 1990 | 28% | |
| Dec 6 | 19°C | 7°C | 27°C 1956 | 0°C 1995 | 29% |
| Dec 7 | 19°C | 6°C | 29°C 2021 | 1°C 1990 | 29% |
| Dec 8 | 19°C | 6°C | 27°C 1969 | 0°C 2006 | 30% |
| Dec 9 | 19°C | 6°C | 28°C 1978 | 0°C 1956 | 31% |
| Dec 10 | 20°C | 6°C | 30°C 2004 | -2°C 2010 | 31% |
| Dec 11 | 20°C | 6°C | 29°C 2008 | 1°C 1964 | 31% |
| Dec 12 | 20°C | 7°C | 28°C 1978 | 0°C 1964 | 32% |
| Dec 13 | 20°C | 7°C | 30°C 2002 | 0°C 2015 | 31% |
| Dec 14 | 19°C | 6°C | 29°C 2008 | -1°C 2006 | 31% |
| Dec 15 | 20°C | 7°C | 27°C 2011 | 1°C 2000 | 31% |
| Dec 16 | 19°C | 7°C | 23°C 1970 | 2°C 1960 | 31% |
| Dec 17 | 19°C | 7°C | 29°C 1985 | 0°C 2010 | 31% |
| Dec 18 | 18°C | 6°C | 27°C 1986 | 1°C 2005 | 31% |
| Dec 19 | 18°C | 5°C | 25°C 1995 | 0°C 1991 | 32% |
| Dec 20 | 19°C | 6°C | 25°C 1993 | 2°C 2007 | 32% |
| Dec 21 | 19°C | 6°C | 29°C 2023 | 1°C 1990 | 32% |
| Dec 22 | 19°C | 7°C | 30°C 1977 | 0°C 2003 | 33% |
| Dec 23 | 20°C | 6°C | 29°C 1977 | 0°C 2015 | 32% |
| Dec 24 | 20°C | 7°C | 28°C 1992 | 0°C 1960 | 32% |
| Dec 25 | 20°C | 6°C | 30°C 1978 | 1°C 2002 | 33% |
| Dec 26 | 20°C | 7°C | 30°C 1984 | 2°C 1962 | 32% |
| Dec 27 | 19°C | 7°C | 31°C 1995 | 2°C 1997 | 34% |
| Dec 28 | 19°C | 7°C | 29°C 2011 | 1°C 2008 | 34% |
| Dec 29 | 20°C | 7°C | 28°C 2017 | 1°C 2009 | 35% |
| Dec 30 | 19°C | 6°C | 28°C 1962 | 1°C 2009 | 35% |
| Dec 31 | 21°C | 7°C | 30°C 1977 | 3°C 2007 | 36% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT-3).
- December 1
- sunrise 5:18 AM, sunset 9:35 PM
- December 31
- sunrise 5:23 AM, sunset 9:57 PM
Other months
Sources
Records: NOAA GHCN-Daily, station AR000087925, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: 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 2026-09-27. Sun and moon: computed with the NOAA solar equations and Meeus.