El Rosario Weather in December
Average highs run from 27°C on December 1 to 25°C on December 31, and lows from 22°C to 20°C. Normal precipitation for the month is 9 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
- 26°C
- Average low
- 21°C
- Precipitation
- 9 mm
- Reanalysis high
- 31°CDec 6, 2015
- Reanalysis low
- 15°CDec 31, 2020
- Daylight
- 10 h 49 min to 10 h 45 min
- Cloud cover
- 42%
- Humidity
- 65%
- Dew point
- 16°C
- Wind
- 10.1 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 | 27°C | 22°C | 30°C 2002 | 18°C 2010 | 6% |
| Dec 2 | 27°C | 22°C | 29°C 2003 | 19°C 1991 | 6% |
| Dec 3 | 27°C | 22°C | 30°C 1994 | 19°C 2010 | 6% |
| Dec 4 | 27°C | 22°C | 30°C 2006 | 18°C 2016 | 6% |
| Dec 5 | 27°C | 22°C | 30°C 2015 | 18°C 2016 | 6% |
| Dec 6 | 27°C | 22°C | 31°C 2015 | 18°C 2020 | 5% |
| Dec 7 | 27°C | 22°C | 30°C 2015 | 18°C 2020 | 5% |
| Dec 8 | 27°C | 22°C | 30°C 2015 | 19°C 1998 | 5% |
| Dec 9 | 26°C | 21°C | 30°C 2015 | 18°C 2010 | 5% |
| Dec 10 | 26°C | 21°C | 29°C 2015 | 18°C 1998 | 4% |
| Dec 11 | 26°C | 21°C | 28°C 1995 | 17°C 1998 | 4% |
| Dec 12 | 26°C | 21°C | 29°C 2013 | 17°C 1997 | 5% |
| Dec 13 | 26°C | 21°C | 28°C 1995 | 15°C 1997 | 5% |
| Dec 14 | 26°C | 21°C | 28°C 2000 | 17°C 1997 | 5% |
| Dec 15 | 26°C | 21°C | 29°C 2013 | 17°C 1992 | 5% |
| Dec 16 | 26°C | 21°C | 28°C 2013 | 18°C 2011 | 6% |
| Dec 17 | 26°C | 21°C | 29°C 2003 | 18°C 2009 | 6% |
| Dec 18 | 26°C | 21°C | 28°C 2015 | 19°C 1997 | 6% |
| Dec 19 | 26°C | 21°C | 29°C 2016 | 18°C 2011 | 6% |
| Dec 20 | 26°C | 20°C | 28°C 2017 | 18°C 2011 | 6% |
| Dec 21 | 26°C | 20°C | 29°C 2016 | 18°C 2011 | 6% |
| Dec 22 | 26°C | 20°C | 28°C 2019 | 17°C 2011 | 6% |
| Dec 23 | 25°C | 20°C | 29°C 2017 | 18°C 2011 | 6% |
| Dec 24 | 25°C | 20°C | 29°C 2017 | 17°C 2011 | 6% |
| Dec 25 | 25°C | 20°C | 29°C 2017 | 16°C 2004 | 7% |
| Dec 26 | 25°C | 20°C | 28°C 1992 | 16°C 2001 | 7% |
| Dec 27 | 25°C | 20°C | 28°C 2016 | 17°C 2001 | 7% |
| Dec 28 | 25°C | 20°C | 28°C 1992 | 18°C 2003 | 7% |
| Dec 29 | 25°C | 20°C | 29°C 2016 | 18°C 2003 | 6% |
| Dec 30 | 25°C | 20°C | 28°C 2016 | 16°C 2020 | 6% |
| Dec 31 | 25°C | 20°C | 28°C 2017 | 15°C 2020 | 6% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT-7).
- December 1
- sunrise 6:28 AM, sunset 5:17 PM
- December 31
- sunrise 6:44 AM, sunset 5:29 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.