Montego Bay Weather in December

1991-2020 means of the daily record at Montego Bay/Sangste (GHCN JM000078388), 4 km from Montego Bay

Average highs run from 31°C on December 1 to 30°C on December 31, and lows from 23°C to 22°C. Normal precipitation for the month is 56 mm over about 12 wet days.

December day by day

The normal high and low for each date, and the record, in °C.

Normal low
Normal high
Record high
Record low

December at a glance

Average high: 31°C
Average low: 23°C
Precipitation: 56 mm
Record high: 34°CDec 2, 2015
Record low: 17°CDec 7, 1996
Daylight: 11 h 06 min to 11 h 02 min
Cloud cover: 54%
Humidity: 76%
Dew point: 22°C
Wind: 21.6 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	Record high	Record low	Chance wet
Dec 1	31°C	23°C	33°C 2023	20°C 1984	42%
Dec 2	31°C	23°C	34°C 2015	20°C 1984	41%
Dec 3	31°C	23°C	34°C 2015	21°C 1985	40%
Dec 4	31°C	23°C	33°C 2015	21°C 1985	39%
Dec 5	31°C	23°C	33°C 2015	20°C 1984	39%
Dec 6	31°C	23°C	32°C 2015	20°C 1984	39%
Dec 7	31°C	23°C	33°C 2023	17°C 1996	39%
Dec 8	31°C	23°C	33°C 2020	18°C 1996	39%
Dec 9	31°C	23°C	33°C 2017	20°C 1973	40%
Dec 10	31°C	23°C	33°C 2018	20°C 1973	40%
Dec 11	31°C	23°C	33°C 2018	20°C 1984	40%
Dec 12	31°C	23°C	32°C 2019	19°C 2017	42%
Dec 13	31°C	23°C	32°C 1997	19°C 1973	41%
Dec 14	31°C	23°C	33°C 2002	19°C 1973	41%
Dec 15	31°C	23°C	33°C 2002	17°C 1973	40%
Dec 16	31°C	22°C	33°C 1999	19°C 2010	41%
Dec 17	31°C	22°C	33°C 2018	20°C 2010	41%
Dec 18	31°C	23°C	33°C 2019	19°C 1975	39%
Dec 19	31°C	23°C	32°C 2015	19°C 1975	39%
Dec 20	31°C	23°C	33°C 2024	19°C 1973	38%
Dec 21	30°C	22°C	33°C 2024	19°C 1975	38%
Dec 22	30°C	22°C	32°C 2021	19°C 1975	37%
Dec 23	30°C	23°C	32°C 2021	19°C 1983	37%
Dec 24	31°C	22°C	32°C 2015	19°C 1983	36%
Dec 25	30°C	22°C	32°C 2015	19°C 1986	36%
Dec 26	30°C	22°C	33°C 2023	18°C 1986	35%
Dec 27	30°C	23°C	33°C 2023	18°C 1986	36%
Dec 28	30°C	22°C	33°C 2023	18°C 1994	35%
Dec 29	30°C	22°C	32°C 1997	18°C 1996	34%
Dec 30	31°C	22°C	32°C 2015	19°C 1992	33%
Dec 31	30°C	22°C	32°C 2015	18°C 1980	32%

Chance of rain

Chance of a wet day

Sunrise and sunset

Times for 2026, local time (EST).

December 1: sunrise 6:28 AM, sunset 5:34 PM
December 31: sunrise 6:44 AM, sunset 5:46 PM

Every day of December: sun and moon

Other months

Sources

Records: NOAA GHCN-Daily, station JM000078388, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: 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.