Bonan Weather in December
Average highs run from 16°C on December 1 to 14°C on December 31, and lows from 4°C to 1°C. Normal precipitation for the month is 9 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
- 15°C
- Average low
- 2°C
- Precipitation
- 9 mm
- Reanalysis high
- 20°CDec 10, 2017
- Reanalysis low
- -7°CDec 17, 2013
- Daylight
- 10 h 40 min to 10 h 35 min
- Cloud cover
- 30%
- Humidity
- 71%
- Dew point
- 2°C
- Wind
- 6.5 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 | 16°C | 4°C | 19°C 1998 | 0°C 1992 | 5% |
| Dec 2 | 16°C | 4°C | 19°C 1998 | 0°C 1991 | 5% |
| Dec 3 | 16°C | 4°C | 20°C 2005 | 0°C 1991 | 5% |
| Dec 4 | 16°C | 4°C | 20°C 1998 | 0°C 2004 | 5% |
| Dec 5 | 16°C | 3°C | 18°C 1998 | -1°C 1991 | 5% |
| Dec 6 | 16°C | 3°C | 19°C 1998 | -3°C 2019 | 5% |
| Dec 7 | 16°C | 3°C | 19°C 1993 | -2°C 1992 | 5% |
| Dec 8 | 16°C | 3°C | 18°C 2016 | -1°C 1992 | 5% |
| Dec 9 | 16°C | 3°C | 18°C 1993 | 0°C 1992 | 5% |
| Dec 10 | 15°C | 3°C | 20°C 2017 | -1°C 2009 | 5% |
| Dec 11 | 15°C | 3°C | 18°C 2017 | -1°C 1994 | 5% |
| Dec 12 | 15°C | 3°C | 19°C 2017 | 0°C 1992 | 6% |
| Dec 13 | 15°C | 3°C | 19°C 2003 | 0°C 1994 | 6% |
| Dec 14 | 15°C | 3°C | 18°C 2017 | -1°C 1995 | 6% |
| Dec 15 | 15°C | 3°C | 18°C 2014 | -1°C 2013 | 6% |
| Dec 16 | 15°C | 2°C | 18°C 2003 | -4°C 2013 | 6% |
| Dec 17 | 15°C | 2°C | 18°C 2012 | -7°C 2013 | 6% |
| Dec 18 | 15°C | 2°C | 18°C 2003 | -3°C 2013 | 6% |
| Dec 19 | 15°C | 2°C | 17°C 2005 | -3°C 2013 | 6% |
| Dec 20 | 15°C | 2°C | 18°C 2005 | -1°C 2017 | 7% |
| Dec 21 | 14°C | 2°C | 16°C 2016 | -2°C 2010 | 7% |
| Dec 22 | 14°C | 2°C | 19°C 2000 | -1°C 1999 | 7% |
| Dec 23 | 14°C | 2°C | 18°C 2017 | -2°C 1999 | 7% |
| Dec 24 | 14°C | 2°C | 18°C 2000 | -4°C 1999 | 6% |
| Dec 25 | 14°C | 2°C | 19°C 2017 | -3°C 1999 | 7% |
| Dec 26 | 14°C | 2°C | 19°C 2017 | -3°C 2010 | 7% |
| Dec 27 | 14°C | 1°C | 17°C 1994 | -3°C 2009 | 7% |
| Dec 28 | 14°C | 1°C | 17°C 1993 | -3°C 2004 | 8% |
| Dec 29 | 14°C | 1°C | 17°C 2017 | -2°C 2019 | 8% |
| Dec 30 | 14°C | 1°C | 17°C 2014 | -2°C 1992 | 9% |
| Dec 31 | 14°C | 1°C | 18°C 1996 | -2°C 1996 | 8% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+8).
- December 1
- sunrise 7:51 AM, sunset 6:31 PM
- December 31
- sunrise 8:07 AM, sunset 6:42 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.