Viacha Weather in December
Average highs run from 17°C on December 1 to 15°C on December 31, and lows from 3°C to .
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
- 16°C
- Average low
- 4°C
- Record high
- 22°CDec 14, 1997
- Record low
- -4°CDec 20, 1983
- Daylight
- 13 h 03 min to 13 h 06 min
- Cloud cover
- 76%
- Humidity
- 68%
- Dew point
- 3°C
- Wind
- 12.2 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 | 17°C | 3°C | 20°C 1997 | -1°C 1955 | 47% |
| Dec 2 | 17°C | 3°C | 21°C 2010 | -1°C 2022 | 49% |
| Dec 3 | 17°C | 3°C | 21°C 2010 | -2°C 2022 | 49% |
| Dec 4 | 17°C | 3°C | 21°C 1997 | -3°C 2018 | 50% |
| Dec 5 | 17°C | 3°C | 21°C 1997 | -3°C 1952 | 51% |
| Dec 6 | 17°C | 3°C | 21°C 2001 | 0°C 1953 | 52% |
| Dec 7 | 17°C | 3°C | 20°C 2014 | 0°C 1975 | 54% |
| Dec 8 | 17°C | 3°C | 20°C 2018 | 0°C 1974 | 53% |
| Dec 9 | 16°C | 3°C | 21°C 2018 | -1°C 2002 | 53% |
| Dec 10 | 16°C | 3°C | 20°C 2014 | -2°C 1955 | 52% |
| Dec 11 | 17°C | 4°C | 21°C 2018 | 0°C 1977 | 53% |
| Dec 12 | 17°C | 4°C | 21°C 2018 | 0°C 1953 | 53% |
| Dec 13 | 17°C | 3°C | 21°C 2016 | -1°C 2000 | 54% |
| Dec 14 | 18°C | 3°C | 22°C 1997 | 0°C 1991 | 54% |
| Dec 15 | 17°C | 3°C | 21°C 1997 | -1°C 2000 | 54% |
| Dec 16 | 17°C | 4°C | 21°C 1997 | -1°C 1976 | 53% |
| Dec 17 | 17°C | 4°C | 21°C 2017 | 0°C 1991 | 52% |
| Dec 18 | 17°C | 4°C | 21°C 1987 | 0°C 1999 | 54% |
| Dec 19 | 17°C | 4°C | 20°C 2016 | 0°C 1980 | 56% |
| Dec 20 | 17°C | 4°C | 20°C 1987 | -4°C 1983 | 58% |
| Dec 21 | 16°C | 3°C | 20°C 2016 | 0°C 1954 | 60% |
| Dec 22 | 16°C | 4°C | 20°C 2016 | 0°C 1953 | 62% |
| Dec 23 | 16°C | 4°C | 20°C 1991 | 1°C 1984 | 64% |
| Dec 24 | 16°C | 4°C | 21°C 2022 | 0°C 1953 | 65% |
| Dec 25 | 16°C | 4°C | 21°C 2022 | -4°C 1995 | 68% |
| Dec 26 | 16°C | 4°C | 19°C 2024 | 0°C 1954 | 70% |
| Dec 27 | 15°C | 4°C | 19°C 2024 | 1°C 2022 | 71% |
| Dec 28 | 15°C | 4°C | 21°C 1997 | 0°C 2015 | 71% |
| Dec 29 | 15°C | 4°C | 19°C 1997 | 1°C 1952 | 72% |
| Dec 30 | 14°C | 4°C | 20°C 1997 | 0°C 1952 | 72% |
| Dec 31 | 15°C | 19°C 1997 | 0°C 2024 | 72% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT-4).
- December 1
- sunrise 5:51 AM, sunset 6:54 PM
- December 31
- sunrise 6:03 AM, sunset 7:09 PM
Other months
Sources
Records: NOAA GHCN-Daily, station BLM00085201, 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.