Ciudad Guayana Weather in December

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

Average highs run from 31°C on December 1 to 32°C on December 31, and lows from 23°C to 22°C. Normal precipitation for the month is 84 mm over about 16 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: 31°C
Average low: 22°C
Precipitation: 84 mm
Reanalysis high: 35°CDec 7, 2003
Reanalysis low: 18°CDec 17, 2000
Daylight: 11 h 41 min to 11 h 39 min
Cloud cover: 60%
Humidity: 79%
Dew point: 22°C
Wind: 9.7 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	31°C	23°C	34°C 2008	22°C 2006	58%
Dec 2	31°C	23°C	34°C 2003	21°C 2018	59%
Dec 3	31°C	23°C	34°C 2009	20°C 2018	58%
Dec 4	31°C	23°C	34°C 2012	20°C 2018	57%
Dec 5	31°C	23°C	33°C 2012	21°C 2000	57%
Dec 6	31°C	23°C	34°C 2012	21°C 2000	57%
Dec 7	31°C	23°C	35°C 2003	21°C 2000	56%
Dec 8	31°C	23°C	34°C 2003	21°C 2002	55%
Dec 9	31°C	23°C	34°C 2003	20°C 2000	56%
Dec 10	31°C	23°C	34°C 2003	20°C 1997	55%
Dec 11	31°C	23°C	34°C 2003	20°C 2000	54%
Dec 12	31°C	23°C	34°C 2008	19°C 2000	54%
Dec 13	31°C	22°C	34°C 2008	19°C 2000	54%
Dec 14	31°C	22°C	34°C 2008	20°C 2000	54%
Dec 15	31°C	22°C	34°C 2002	18°C 2000	54%
Dec 16	31°C	22°C	34°C 2002	19°C 2000	54%
Dec 17	31°C	22°C	34°C 2002	18°C 2000	53%
Dec 18	31°C	22°C	34°C 2009	18°C 2000	51%
Dec 19	31°C	22°C	34°C 2009	19°C 2000	50%
Dec 20	31°C	22°C	34°C 2002	20°C 2000	49%
Dec 21	31°C	22°C	34°C 2002	20°C 1997	48%
Dec 22	31°C	22°C	34°C 2002	19°C 1999	48%
Dec 23	31°C	22°C	34°C 2001	20°C 2018	48%
Dec 24	31°C	22°C	34°C 2009	19°C 1993	48%
Dec 25	31°C	22°C	35°C 2009	19°C 1993	48%
Dec 26	31°C	22°C	34°C 2009	19°C 1993	48%
Dec 27	31°C	22°C	35°C 2001	20°C 1994	48%
Dec 28	31°C	22°C	35°C 2003	19°C 1993	47%
Dec 29	32°C	22°C	34°C 2001	19°C 1992	46%
Dec 30	32°C	22°C	34°C 1997	19°C 1993	45%
Dec 31	32°C	22°C	34°C 2006	19°C 1993	44%

Chance of rain

Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT-4).

December 1: sunrise 6:09 AM, sunset 5:50 PM
December 31: sunrise 6:24 AM, sunset 6:03 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.