Chalco Weather in December
Average highs run from 19°C on December 1 to 18°C on December 31, and lows from 5°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
- 19°C
- Average low
- 4°C
- Precipitation
- 12 mm
- Reanalysis high
- 24°CDec 30, 2015
- Reanalysis low
- -4°CDec 26, 2006
- Daylight
- 11 h 03 min to 11 h 00 min
- Cloud cover
- 32%
- Humidity
- 67%
- Dew point
- 3°C
- Wind
- 7.9 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 | 19°C | 5°C | 23°C 2015 | -1°C 2017 | 14% |
| Dec 2 | 19°C | 5°C | 22°C 2004 | 0°C 2000 | 14% |
| Dec 3 | 19°C | 5°C | 22°C 2018 | 0°C 2014 | 12% |
| Dec 4 | 19°C | 5°C | 23°C 2011 | 0°C 2006 | 11% |
| Dec 5 | 19°C | 5°C | 23°C 2004 | 0°C 1999 | 10% |
| Dec 6 | 19°C | 5°C | 22°C 1994 | -1°C 1999 | 9% |
| Dec 7 | 19°C | 4°C | 22°C 1997 | 1°C 2000 | 9% |
| Dec 8 | 19°C | 4°C | 23°C 1997 | -1°C 2010 | 9% |
| Dec 9 | 19°C | 4°C | 23°C 1997 | -4°C 2010 | 10% |
| Dec 10 | 19°C | 4°C | 22°C 2019 | -3°C 2017 | 11% |
| Dec 11 | 19°C | 4°C | 22°C 2020 | -2°C 2017 | 10% |
| Dec 12 | 19°C | 4°C | 22°C 1994 | -1°C 2010 | 10% |
| Dec 13 | 19°C | 4°C | 22°C 2020 | -2°C 2010 | 9% |
| Dec 14 | 19°C | 4°C | 23°C 2008 | -2°C 1997 | 9% |
| Dec 15 | 19°C | 4°C | 22°C 2008 | -2°C 1997 | 9% |
| Dec 16 | 19°C | 4°C | 23°C 2015 | -2°C 2003 | 8% |
| Dec 17 | 19°C | 4°C | 22°C 2012 | -4°C 2003 | 8% |
| Dec 18 | 19°C | 4°C | 22°C 2008 | 1°C 1998 | 8% |
| Dec 19 | 19°C | 4°C | 22°C 2008 | -4°C 2000 | 9% |
| Dec 20 | 19°C | 4°C | 22°C 2015 | -1°C 2003 | 10% |
| Dec 21 | 19°C | 4°C | 22°C 2007 | -2°C 2018 | 10% |
| Dec 22 | 19°C | 4°C | 22°C 2007 | 0°C 2012 | 10% |
| Dec 23 | 19°C | 4°C | 22°C 2020 | 0°C 2000 | 10% |
| Dec 24 | 19°C | 4°C | 22°C 2015 | -1°C 2000 | 9% |
| Dec 25 | 19°C | 4°C | 22°C 2015 | -1°C 2006 | 9% |
| Dec 26 | 18°C | 4°C | 21°C 1997 | -4°C 2006 | 10% |
| Dec 27 | 18°C | 4°C | 22°C 2019 | 1°C 2006 | 10% |
| Dec 28 | 18°C | 4°C | 22°C 1997 | 1°C 2004 | 11% |
| Dec 29 | 18°C | 4°C | 22°C 2018 | -1°C 1999 | 11% |
| Dec 30 | 18°C | 4°C | 24°C 2015 | -1°C 1997 | 11% |
| Dec 31 | 18°C | 4°C | 23°C 2015 | 1°C 1992 | 12% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (CST).
- December 1
- sunrise 6:53 AM, sunset 5:56 PM
- December 31
- sunrise 7:09 AM, sunset 6:09 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.