Goroka Weather in December

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

Average highs run from 25°C on December 1 to 24°C on December 31, and lows from 18°C to 18°C. Normal precipitation for the month is 174 mm over about 22 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: 24°C
Average low: 18°C
Precipitation: 174 mm
Reanalysis high: 30°CDec 26, 2019
Reanalysis low: 14°CDec 19, 1993
Daylight: 12 h 27 min to 12 h 28 min
Cloud cover: 84%
Humidity: 88%
Dew point: 18°C
Wind: 4.0 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	Reanalysis high	Reanalysis low	Chance wet
Dec 1	25°C	18°C	28°C 2013	15°C 2002	57%
Dec 2	25°C	18°C	29°C 2002	16°C 2012	58%
Dec 3	25°C	18°C	29°C 2010	16°C 2011	58%
Dec 4	25°C	18°C	29°C 2004	15°C 2002	60%
Dec 5	25°C	18°C	28°C 2004	16°C 2004	62%
Dec 6	25°C	18°C	28°C 2002	16°C 2007	63%
Dec 7	24°C	18°C	28°C 2004	15°C 2007	64%
Dec 8	24°C	18°C	29°C 2002	16°C 2012	65%
Dec 9	24°C	18°C	28°C 2004	16°C 2010	65%
Dec 10	24°C	18°C	27°C 2004	16°C 2006	66%
Dec 11	24°C	18°C	28°C 2007	15°C 1994	66%
Dec 12	24°C	18°C	27°C 2004	16°C 2012	66%
Dec 13	24°C	18°C	27°C 2015	16°C 2011	66%
Dec 14	24°C	18°C	28°C 2019	15°C 2009	66%
Dec 15	24°C	18°C	26°C 1994	15°C 1994	67%
Dec 16	24°C	18°C	28°C 2004	16°C 1994	68%
Dec 17	24°C	18°C	29°C 1997	15°C 1996	69%
Dec 18	24°C	18°C	29°C 2001	15°C 2012	69%
Dec 19	24°C	18°C	28°C 2001	14°C 1993	69%
Dec 20	24°C	18°C	29°C 2001	16°C 1991	68%
Dec 21	24°C	18°C	28°C 2001	16°C 2007	68%
Dec 22	24°C	18°C	29°C 2001	16°C 1999	69%
Dec 23	24°C	18°C	28°C 2001	15°C 1999	70%
Dec 24	24°C	18°C	29°C 2019	16°C 2005	71%
Dec 25	24°C	18°C	29°C 2019	17°C 2010	72%
Dec 26	24°C	18°C	30°C 2019	16°C 1995	72%
Dec 27	24°C	18°C	29°C 2019	17°C 2008	72%
Dec 28	24°C	18°C	28°C 2015	16°C 2018	71%
Dec 29	24°C	18°C	26°C 2019	16°C 1999	71%
Dec 30	24°C	18°C	29°C 2015	16°C 1999	71%
Dec 31	24°C	18°C	28°C 2019	14°C 1996	70%

Chance of rain

Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT+10).

December 1: sunrise 5:54 AM, sunset 6:21 PM
December 31: sunrise 6:07 AM, sunset 6:35 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.