Rāstāb Weather in December
Average highs run from 9°C on December 1 to 6°C on December 31, and lows from -1°C to -3°C. Normal precipitation for the month is 47 mm over about 7 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
- 8°C
- Average low
- -3°C
- Precipitation
- 47 mm
- Record high
- 20°CDec 16, 1976
- Record low
- -31°CDec 29, 2004
- Daylight
- 10 h 12 min to 10 h 05 min
- Cloud cover
- 64%
- Humidity
- 63%
- Dew point
- -6°C
- Wind
- 9.0 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 | 9°C | -1°C | 18°C 2023 | -12°C 2007 | 23% |
| Dec 2 | 9°C | -1°C | 17°C 2013 | -12°C 2009 | 23% |
| Dec 3 | 9°C | -2°C | 19°C 2010 | -13°C 2009 | 24% |
| Dec 4 | 9°C | -2°C | 19°C 2005 | -12°C 2009 | 24% |
| Dec 5 | 9°C | -2°C | 17°C 2023 | -13°C 2017 | 24% |
| Dec 6 | 9°C | -2°C | 17°C 2023 | -11°C 2008 | 24% |
| Dec 7 | 8°C | -2°C | 16°C 2005 | -10°C 2011 | 26% |
| Dec 8 | 8°C | -2°C | 16°C 2023 | -11°C 2011 | 26% |
| Dec 9 | 8°C | -2°C | 17°C 2023 | -14°C 2017 | 26% |
| Dec 10 | 8°C | -2°C | 16°C 2023 | -13°C 2017 | 26% |
| Dec 11 | 8°C | -2°C | 16°C 2017 | -12°C 2003 | 25% |
| Dec 12 | 8°C | -2°C | 14°C 2021 | -12°C 2017 | 25% |
| Dec 13 | 7°C | -3°C | 15°C 2014 | -13°C 2017 | 24% |
| Dec 14 | 7°C | -3°C | 16°C 2014 | -12°C 2017 | 24% |
| Dec 15 | 7°C | -3°C | 15°C 2018 | -17°C 2006 | 23% |
| Dec 16 | 7°C | -3°C | 20°C 1976 | -19°C 2008 | 22% |
| Dec 17 | 7°C | -3°C | 16°C 2010 | -13°C 2024 | 22% |
| Dec 18 | 7°C | -3°C | 15°C 2010 | -12°C 2024 | 22% |
| Dec 19 | 7°C | -3°C | 15°C 2017 | -21°C 2004 | 22% |
| Dec 20 | 7°C | -3°C | 17°C 2017 | -15°C 2008 | 22% |
| Dec 21 | 7°C | -3°C | 17°C 2017 | -22°C 2006 | 21% |
| Dec 22 | 7°C | -3°C | 17°C 2017 | -22°C 2006 | 19% |
| Dec 23 | 7°C | -3°C | 19°C 2017 | -25°C 2007 | 18% |
| Dec 24 | 7°C | -3°C | 20°C 2017 | -21°C 2007 | 17% |
| Dec 25 | 7°C | -3°C | 18°C 2017 | -19°C 2007 | 17% |
| Dec 26 | 7°C | -3°C | 14°C 2001 | -17°C 2007 | 17% |
| Dec 27 | 7°C | -3°C | 15°C 2018 | -12°C 2010 | 18% |
| Dec 28 | 7°C | -3°C | 14°C 2001 | -26°C 2004 | 19% |
| Dec 29 | 7°C | -3°C | 16°C 1993 | -31°C 2004 | 19% |
| Dec 30 | 6°C | -3°C | 17°C 1999 | -31°C 2004 | 20% |
| Dec 31 | 6°C | -3°C | 18°C 2017 | -27°C 2006 | 20% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+3:30).
- December 1
- sunrise 6:50 AM, sunset 5:02 PM
- December 31
- sunrise 7:08 AM, sunset 5:13 PM
Other months
Sources
Records: NOAA GHCN-Daily, station IRM00040798, 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 2026-09-28. Sun and moon: computed with the NOAA solar equations and Meeus.