Salto Weather in December
Average highs run from 30°C on December 1 to 33°C on December 31, and lows from 16°C to 19°C. Normal precipitation for the month is 143 mm over about 9 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
- 32°C
- Average low
- 18°C
- Precipitation
- 143 mm
- Record high
- 41°CDec 29, 1983
- Record low
- 6°CDec 13, 2010
- Daylight
- 14 h 02 min to 14 h 10 min
- Cloud cover
- 49%
- Humidity
- 62%
- Dew point
- 16°C
- Wind
- 14.8 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 | 30°C | 16°C | 38°C 1999 | 9°C 1993 | 32% |
| Dec 2 | 30°C | 16°C | 40°C 1987 | 9°C 1974 | 32% |
| Dec 3 | 30°C | 16°C | 38°C 2004 | 9°C 1974 | 31% |
| Dec 4 | 31°C | 16°C | 36°C 2004 | 10°C 2024 | 31% |
| Dec 5 | 31°C | 17°C | 36°C 1991 | 11°C 2009 | 32% |
| Dec 6 | 31°C | 17°C | 39°C 1988 | 9°C 1999 | 33% |
| Dec 7 | 31°C | 17°C | 39°C 1988 | 9°C 2015 | 34% |
| Dec 8 | 31°C | 17°C | 34°C 1995 | 11°C 2024 | 33% |
| Dec 9 | 31°C | 17°C | 38°C 2008 | 8°C 2001 | 35% |
| Dec 10 | 31°C | 17°C | 37°C 1994 | 10°C 2001 | 34% |
| Dec 11 | 31°C | 17°C | 39°C 1994 | 13°C 2007 | 34% |
| Dec 12 | 31°C | 17°C | 38°C 1982 | 11°C 2007 | 34% |
| Dec 13 | 32°C | 17°C | 38°C 1994 | 6°C 2010 | 34% |
| Dec 14 | 32°C | 18°C | 35°C 1995 | 10°C 2010 | 36% |
| Dec 15 | 32°C | 18°C | 34°C 1986 | 8°C 1958 | 37% |
| Dec 16 | 32°C | 18°C | 38°C 1989 | 11°C 2000 | 39% |
| Dec 17 | 32°C | 18°C | 40°C 1995 | 9°C 2003 | 38% |
| Dec 18 | 32°C | 18°C | 39°C 1995 | 10°C 2003 | 38% |
| Dec 19 | 32°C | 18°C | 40°C 1995 | 10°C 1958 | 38% |
| Dec 20 | 32°C | 18°C | 35°C 2013 | 13°C 2015 | 38% |
| Dec 21 | 32°C | 18°C | 39°C 1995 | 12°C 1993 | 37% |
| Dec 22 | 32°C | 19°C | 38°C 2011 | 12°C 2024 | 37% |
| Dec 23 | 32°C | 19°C | 37°C 2005 | 9°C 1998 | 36% |
| Dec 24 | 32°C | 19°C | 36°C 1993 | 10°C 2010 | 36% |
| Dec 25 | 32°C | 19°C | 39°C 1988 | 12°C 2005 | 36% |
| Dec 26 | 32°C | 19°C | 40°C 1988 | 12°C 2024 | 36% |
| Dec 27 | 32°C | 19°C | 40°C 2013 | 11°C 2012 | 36% |
| Dec 28 | 32°C | 19°C | 41°C 1983 | 10°C 2012 | 37% |
| Dec 29 | 33°C | 19°C | 41°C 1983 | 11°C 1990 | 36% |
| Dec 30 | 33°C | 19°C | 39°C 1983 | 12°C 2008 | 36% |
| Dec 31 | 33°C | 19°C | 40°C 2013 | 13°C 1958 | 34% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT-3).
- December 1
- sunrise 5:40 AM, sunset 7:42 PM
- December 31
- sunrise 5:50 AM, sunset 8:00 PM
Other months
Sources
Records: NOAA GHCN-Daily, station UY000086360, every year on file, quality-flagged values removed. 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.