Santyoku Weather in December
Average highs run from 11°C on December 1 to 5°C on December 31, and lows from 2°C to . Normal precipitation for the month is 31 mm over about 6 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
- Precipitation
- 31 mm
- Record high
- 21°CDec 10, 2007
- Record low
- -15°CDec 27, 1976
- Daylight
- 9 h 47 min to 9 h 37 min
- Cloud cover
- 53%
- Humidity
- 85%
- Dew point
- -6°C
- Wind
- 16.9 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 | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Dec 1 | 11°C | 2°C | 20°C 1994 | -9°C 1996 | 25% |
| Dec 2 | 10°C | 19°C 2010 | -15°C 2006 | 24% | |
| Dec 3 | 9°C | 17°C 1989 | -8°C 1997 | 24% | |
| Dec 4 | 9°C | 19°C 1989 | -7°C 1973 | 24% | |
| Dec 5 | 9°C | 18°C 1991 | -6°C 2005 | 23% | |
| Dec 6 | 8°C | -1°C | 20°C 1991 | -10°C 2008 | 22% |
| Dec 7 | 8°C | 17°C 1988 | -8°C 1973 | 21% | |
| Dec 8 | 9°C | 17°C 1978 | -8°C 2018 | 20% | |
| Dec 9 | 8°C | 0°C | 18°C 1986 | -9°C 2012 | 20% |
| Dec 10 | 9°C | 21°C 2007 | -9°C 1997 | 21% | |
| Dec 11 | 7°C | 16°C 1989 | -7°C 2012 | 20% | |
| Dec 12 | 8°C | 15°C 1986 | -9°C 2017 | 19% | |
| Dec 13 | 8°C | 15°C 1986 | -12°C 1980 | 18% | |
| Dec 14 | 8°C | 15°C 1977 | -8°C 2022 | 18% | |
| Dec 15 | 7°C | 17°C 1977 | -10°C 1985 | 18% | |
| Dec 16 | 8°C | 17°C 1996 | -11°C 1985 | 17% | |
| Dec 17 | 6°C | 13°C 1998 | -10°C 1985 | 17% | |
| Dec 18 | 7°C | 17°C 1998 | -10°C 2014 | 16% | |
| Dec 19 | 7°C | 16°C 1979 | -9°C 2009 | 16% | |
| Dec 20 | 8°C | 17°C 2010 | -8°C 1999 | 15% | |
| Dec 21 | 7°C | 13°C 1982 | -6°C 2009 | 15% | |
| Dec 22 | 7°C | 16°C 1998 | -11°C 2023 | 15% | |
| Dec 23 | 8°C | 13°C 1994 | -11°C 2022 | 15% | |
| Dec 24 | 7°C | 16°C 1994 | -13°C 1973 | 14% | |
| Dec 25 | 7°C | 16°C 1987 | -11°C 2010 | 14% | |
| Dec 26 | 6°C | 15°C 1987 | -15°C 2002 | 14% | |
| Dec 27 | 7°C | 16°C 1987 | -15°C 1976 | 14% | |
| Dec 28 | 6°C | 17°C 1987 | -12°C 1976 | 14% | |
| Dec 29 | 7°C | -3°C | 17°C 1996 | -12°C 1980 | 14% |
| Dec 30 | 6°C | 12°C 1990 | -9°C 1995 | 14% | |
| Dec 31 | 5°C | 11°C 1975 | -10°C 2020 | 15% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+9).
- December 1
- sunrise 7:19 AM, sunset 5:06 PM
- December 31
- sunrise 7:38 AM, sunset 5:15 PM
Other months
Sources
Records: NOAA GHCN-Daily, station KSM00047105, 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.