Macau Weather in December

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

Average highs run from 22°C on December 1 to 19°C on December 31, and lows from 19°C to 17°C. Normal precipitation for the month is 31 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: 20°C
Average low: 18°C
Precipitation: 31 mm
Reanalysis high: 25°CDec 3, 2004
Reanalysis low: 8°CDec 29, 1991
Daylight: 10 h 53 min to 10 h 48 min
Cloud cover: 52%
Humidity: 76%
Dew point: 14°C
Wind: 23.4 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	22°C	19°C	24°C 1997	15°C 2011	15%
Dec 2	22°C	19°C	24°C 1998	14°C 2011	15%
Dec 3	22°C	19°C	25°C 2004	15°C 2011	14%
Dec 4	22°C	19°C	25°C 2018	15°C 1993	13%
Dec 5	21°C	19°C	24°C 2018	15°C 2005	13%
Dec 6	21°C	19°C	24°C 2010	13°C 2005	13%
Dec 7	21°C	19°C	24°C 2002	14°C 2005	14%
Dec 8	21°C	18°C	24°C 2006	14°C 2002	14%
Dec 9	21°C	18°C	24°C 2013	13°C 2002	15%
Dec 10	21°C	18°C	23°C 1994	13°C 2011	14%
Dec 11	20°C	18°C	23°C 1994	13°C 2011	14%
Dec 12	20°C	18°C	24°C 1994	14°C 2000	14%
Dec 13	20°C	18°C	23°C 2016	13°C 2000	14%
Dec 14	20°C	18°C	22°C 2010	14°C 2001	14%
Dec 15	20°C	17°C	22°C 2012	12°C 2010	13%
Dec 16	20°C	17°C	23°C 2012	9°C 2010	13%
Dec 17	20°C	17°C	24°C 1997	10°C 2010	13%
Dec 18	20°C	17°C	23°C 2002	12°C 2017	13%
Dec 19	20°C	17°C	23°C 1997	13°C 2013	14%
Dec 20	20°C	17°C	23°C 1997	12°C 1999	14%
Dec 21	20°C	17°C	24°C 1997	11°C 1999	13%
Dec 22	20°C	17°C	23°C 1998	9°C 1999	13%
Dec 23	19°C	17°C	23°C 1998	10°C 1999	12%
Dec 24	19°C	17°C	22°C 2015	12°C 1999	12%
Dec 25	19°C	17°C	21°C 2003	12°C 2010	12%
Dec 26	19°C	17°C	22°C 2019	11°C 2002	11%
Dec 27	19°C	17°C	22°C 1992	10°C 2002	12%
Dec 28	19°C	17°C	23°C 1992	8°C 1991	12%
Dec 29	19°C	17°C	22°C 1997	8°C 1991	13%
Dec 30	19°C	17°C	22°C 1997	10°C 2012	13%
Dec 31	19°C	17°C	22°C 1997	9°C 2004	13%

Chance of rain

Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT+8).

December 1: sunrise 6:48 AM, sunset 5:41 PM
December 31: sunrise 7:05 AM, sunset 5:53 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 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.