Mombetsu Weather in December
Average highs run from 3°C on December 1 to -1°C on December 31, and lows from 0°C to -3°C. Normal precipitation for the month is 84 mm over about 19 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
- 0°C
- Average low
- -2°C
- Precipitation
- 84 mm
- Reanalysis high
- 8°CDec 3, 2010
- Reanalysis low
- -8°CDec 30, 2002
- Daylight
- 9 h 07 min to 8 h 54 min
- Cloud cover
- 80%
- Humidity
- 79%
- Dew point
- -4°C
- Wind
- 27.7 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 | 3°C | 0°C | 7°C 2014 | -4°C 1998 | 59% |
| Dec 2 | 2°C | 0°C | 7°C 2014 | -5°C 1998 | 60% |
| Dec 3 | 2°C | 0°C | 8°C 2010 | -5°C 1997 | 60% |
| Dec 4 | 2°C | 0°C | 7°C 2018 | -5°C 2000 | 60% |
| Dec 5 | 2°C | -1°C | 8°C 2008 | -3°C 2007 | 60% |
| Dec 6 | 2°C | -1°C | 7°C 2010 | -5°C 2000 | 60% |
| Dec 7 | 1°C | -1°C | 5°C 1992 | -5°C 1991 | 60% |
| Dec 8 | 1°C | -1°C | 6°C 1992 | -6°C 2019 | 61% |
| Dec 9 | 1°C | -1°C | 6°C 2008 | -5°C 2002 | 61% |
| Dec 10 | 1°C | -1°C | 6°C 2013 | -5°C 1991 | 62% |
| Dec 11 | 1°C | -2°C | 6°C 2013 | -6°C 2002 | 63% |
| Dec 12 | 1°C | -2°C | 5°C 2019 | -7°C 2000 | 62% |
| Dec 13 | 1°C | -2°C | 3°C 2006 | -6°C 2000 | 61% |
| Dec 14 | 0°C | -2°C | 3°C 1996 | -6°C 2001 | 59% |
| Dec 15 | 0°C | -2°C | 4°C 2015 | -6°C 1993 | 57% |
| Dec 16 | 0°C | -2°C | 3°C 2015 | -7°C 1994 | 56% |
| Dec 17 | 0°C | -2°C | 5°C 2008 | -5°C 2000 | 56% |
| Dec 18 | 0°C | -2°C | 4°C 1997 | -6°C 1993 | 56% |
| Dec 19 | 0°C | -3°C | 4°C 1997 | -7°C 1993 | 55% |
| Dec 20 | 0°C | -3°C | 4°C 2008 | -7°C 1996 | 56% |
| Dec 21 | 0°C | -3°C | 3°C 1993 | -7°C 1996 | 56% |
| Dec 22 | 0°C | -3°C | 3°C 2003 | -6°C 2014 | 56% |
| Dec 23 | 0°C | -3°C | 2°C 1992 | -6°C 2014 | 56% |
| Dec 24 | -1°C | -3°C | 3°C 2015 | -6°C 2012 | 57% |
| Dec 25 | -1°C | -3°C | 4°C 2017 | -7°C 2010 | 55% |
| Dec 26 | -1°C | -3°C | 3°C 1997 | -6°C 2012 | 54% |
| Dec 27 | -1°C | -3°C | 3°C 1997 | -7°C 2002 | 54% |
| Dec 28 | -1°C | -3°C | 2°C 1997 | -7°C 2012 | 56% |
| Dec 29 | -1°C | -3°C | 2°C 1995 | -6°C 2002 | 57% |
| Dec 30 | -1°C | -3°C | 2°C 1995 | -8°C 2002 | 58% |
| Dec 31 | -1°C | -3°C | 2°C 2019 | -8°C 2002 | 58% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+9).
- December 1
- sunrise 6:42 AM, sunset 3:49 PM
- December 31
- sunrise 7:02 AM, sunset 3:56 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.