Sibolga Weather in December

NASA POWER reanalysis for the half-degree grid cell around Sibolga, 1991-2020; a grid cell is an area average and can differ from a thermometer in town by several degrees

Average highs run from 27°C on December 1 to 27°C on December 31, and lows from 24°C to 24°C. Normal precipitation for the month is 415 mm over about 25 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: 27°C
Average low: 24°C
Precipitation: 415 mm
Reanalysis high: 30°CDec 16, 2002
Reanalysis low: 23°CDec 21, 1997
Daylight: 12 h 02 min to 12 h 01 min
Cloud cover: 90%
Humidity: 87%
Dew point: 23°C
Wind: 6.1 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	27°C	24°C	29°C 1992	24°C 1998	88%
Dec 2	27°C	24°C	29°C 1997	23°C 2014	88%
Dec 3	27°C	24°C	30°C 2018	23°C 2011	87%
Dec 4	27°C	24°C	30°C 1992	23°C 2007	87%
Dec 5	27°C	24°C	30°C 2007	23°C 2007	88%
Dec 6	27°C	24°C	29°C 2019	23°C 1992	86%
Dec 7	27°C	24°C	29°C 1997	23°C 1996	86%
Dec 8	27°C	24°C	29°C 2017	23°C 2008	84%
Dec 9	27°C	24°C	29°C 1997	23°C 1996	83%
Dec 10	27°C	24°C	29°C 2015	23°C 2016	82%
Dec 11	27°C	24°C	29°C 1995	23°C 2005	82%
Dec 12	27°C	24°C	30°C 2009	23°C 2016	81%
Dec 13	27°C	24°C	30°C 1997	23°C 2018	81%
Dec 14	27°C	24°C	29°C 2019	23°C 2018	80%
Dec 15	27°C	24°C	30°C 1997	23°C 1992	79%
Dec 16	27°C	24°C	30°C 2002	23°C 2003	79%
Dec 17	27°C	24°C	29°C 1992	23°C 2003	79%
Dec 18	27°C	24°C	30°C 2007	23°C 1996	79%
Dec 19	27°C	24°C	29°C 2007	23°C 1996	78%
Dec 20	27°C	24°C	29°C 2019	23°C 1997	78%
Dec 21	27°C	24°C	29°C 2009	23°C 1997	80%
Dec 22	27°C	24°C	30°C 2009	23°C 1995	79%
Dec 23	27°C	24°C	30°C 2009	23°C 1995	79%
Dec 24	27°C	24°C	30°C 2006	23°C 2011	79%
Dec 25	27°C	24°C	30°C 1994	23°C 2008	78%
Dec 26	27°C	24°C	29°C 1999	23°C 2007	77%
Dec 27	27°C	24°C	29°C 1994	23°C 2010	76%
Dec 28	27°C	24°C	30°C 1999	23°C 2009	75%
Dec 29	27°C	24°C	30°C 2011	23°C 1993	75%
Dec 30	27°C	24°C	30°C 2003	23°C 1991	74%
Dec 31	27°C	24°C	30°C 2015	23°C 2002	72%

Chance of rain

Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT+7).

December 1: sunrise 6:13 AM, sunset 6:15 PM
December 31: sunrise 6:27 AM, sunset 6:28 PM

Every day of December: sun and moon

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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.