Morant Bay weather in December

In December, Morant Bay sees average daytime highs of 26°C and overnight lows near 23°C, with 92 mm of rain across 18.9 wet days and about 10.9 hours of daylight. It is the 9th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 47% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 11 hours at the start of December to 10 h 54 min by month's end. Set against the rest of the year, December is Morant Bay's 5th-clearest and 5th-windiest month. For the whole year in context, see Morant Bay's year-round climate.

Daytime high
26°
9th warmest
Overnight low
23°
5th coldest
Rainfall
92 mm
18.9 wet days
Daylight
10 h 54 min
6:34 AM – 5:30 PM
Cloud cover
47%
5th clearest
Wind
14 km/h
5th windiest
Solar energy
4.5 kWh/m²
Travel score
5.6
out of 10

Morant Bay is city in Jamaica.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 26°C through the month.

A typical December day in Morant Bay reaches about 26°C in the afternoon and slips back to 23°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 27°C. Set against its neighbours, December runs about 1°C cooler than November and on par with January.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12623
22623
32623
42623
52623
62623
72623
82623
92623
102623
112623
122623
132623
142623
152623
162623
172623
182623
192623
202623
212623
222623
232623
242623
252623
262623
272623
282623
292623
302623
312623

How December really feels in Morant Bay

Once humidity and wind are folded in, December averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

December sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Morant Bay weather by month

How December compares with the rest of the year at a glance. December is the 9th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan25° / 22°6917.7116.0
Feb25° / 22°4915.511.46.1
Mar26° / 22°6617.511.96.0
Apr26° / 23°6316.112.45.8
May27° / 24°14421.212.84.9
Jun28° / 25°12518.813.15.0
Jul28° / 25°10117.9135.1
Aug28° / 25°12820.112.64.6
Sep28° / 25°16122.212.14.2
Oct28° / 24°19424.711.64.3
Nov27° / 24°12619.811.25.0
Dec26° / 23°9218.910.95.6

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 47% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 24% of December, with mostly cloudy or overcast conditions the remaining 29%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16733
26832
36931
46931
56931
66931
76832
86733
96733
106832
116832
126832
136832
146832
156931
167030
177030
187030
197129
207228
217327
227327
237426
247525
257525
267624
277624
287624
297723
307723
317723

Chance of precipitation in December

Any precipitation

Morant Bay gets around 92 mm of rain over 18.9 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 61% and peaks near 62% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
160
261
361
461
561
662
762
862
962
1062
1162
1262
1362
1462
1562
1662
1762
1862
1961
2061
2161
2260
2360
2460
2560
2659
2759
2859
2958
3058
3158

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

Most of December feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, December lands in the oppressive band about 77% of days. Sticky, muggy-or-worse air turns up on roughly 98% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)
112079
212079
312079
411980
511980
611980
711881
811881
911881
1011782
1111782
1221781
1321880
1421880
1521880
1621880
1721880
1821880
1921979
2031978
2131978
2232077
2332176
2432176
2532275
2632374
2732473
2832572
2932770
3032869
3133067

Wind in December

Winds average 14 km/h in December.

Across December, daily wind ranges from about 14 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3015light breeze
3115light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 hours at the start of December to 10 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over December. Sunrise moves from 6:25 AM to 6:41 AM, and sunset from 5:26 PM to 5:37 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.06:255:26
211.06:265:26
311.06:265:26
411.06:275:26
511.06:285:26
611.06:285:27
711.06:295:27
811.06:295:27
911.06:305:27
1011.06:305:28
1110.96:315:28
1210.96:325:28
1310.96:325:29
1410.96:335:29
1510.96:335:29
1610.96:345:30
1710.96:345:30
1810.96:355:31
1910.96:355:31
2010.96:365:32
2110.96:365:32
2210.96:375:32
2310.96:375:33
2410.96:385:33
2510.96:385:34
2610.96:395:34
2710.96:395:35
2810.96:395:35
2910.96:405:36
3010.96:405:37
3110.96:415:37

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.5 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.5 kWh/m² to a high of 6.74 kWh/m² in April across the year — December's 4.5 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.5Bright
44.5Bright
54.5Bright
64.5Bright
74.5Bright
84.5Bright
94.5Bright
104.5Bright
114.5Bright
124.5Bright
134.5Bright
144.5Bright
154.5Bright
164.5Bright
174.5Bright
184.5Bright
194.5Bright
204.5Bright
214.5Bright
224.5Bright
234.5Bright
244.5Bright
254.5Bright
264.5Bright
274.5Bright
284.5Bright
294.5Bright
304.6Bright
314.6Bright
Planning a trip in December

Hazard calendar for Morant Bay

In seasonPeak

None of Morant Bay's seasonal hazards are active in December. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Morant Bay sits in the Atlantic hurricane belt; the season peaks August–October.

Atlantic hurricane
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is December a good time to visit Morant Bay?

Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

5.6
Sightseeing
5th-best month of the year
5.4
Beach & pool
7th-best month of the year

December is a reasonable time to visit Morant Bay for sightseeing.

What to pack for Morant Bay in December

From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In December, Morant Bay sees daytime highs around 26°C and nights near 23°C. Pack rain gear. Worth having: light clothes and sun protection. About 19 days see rain.

rain gearlight clothessun protection

Sea temperature near Morant Bay in December

The nearest coast averages about 28°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in September at about 29°C and coldest in February near 27°C.

The water stays above 20°C all year — warm enough for a swim any month.

26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb27Warm
Mar27Warm
Apr27Warm
May28Warm
Jun28Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec28Warm

UV index in Morant Bay in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Morant Bay peaks around April 18 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 7 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highApr 18UV 13Dec 15UV 7
UV index (midday)Level
Jan8Very high
Feb10Extreme
Mar12Extreme
Apr13Extreme
May12Extreme
Jun13Extreme
Jul11Extreme
Aug12Extreme
Sep12Extreme
Oct11Extreme
Nov8Very high
Dec7Very high

Air quality in Morant Bay in December

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.

Air quality in Morant Bay is worst in June — around 32 µg/m³ PM2.5 (moderate), about 4.2× the cleanest month (December, 8 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJun 2332 µg/m³Dec 198 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb10Good
Mar10Good
Apr12Good
May19Moderate
Jun32Moderate
Jul31Moderate
Aug25Moderate
Sep17Moderate
Oct14Moderate
Nov9Good
Dec8Good
Location & terrain

Where is Morant Bay?

Morant Bay sits at 17.9°N, 76.4°W, 0 m above sea level, in Jamaica. The nearest listed city is Port Antonio, 33 km away.

Port AntonioNew KingstonKingstonHalf Way TreePort RoyalPortmoreSpanish TownLinstead

Topography around Morant Bay

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Morant Bay.

Within 3 km, the terrain around Morant Bay has only modest variations in elevation — a maximum elevation change of 221 m around an average of 27 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,315 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,224 m.

The land around Morant Bay is covered by trees (41%) and water (41%) within 3 km, trees (47%) and water (46%) within 16 km, and water (74%) and trees (23%) within 80 km.

3 km
221 m
16 km
1,315 m
80 km
2,224 m
treesgrasslandartificial surfacesbare terrainwater
December weather nearby: Port Antonio 33 km · New Kingston 42 km · Kingston 43 km · Half Way Tree 44 km · Port Royal 46 km · Portmore 51 km · Spanish Town 59 km · Linstead 72 km

Jamaica travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B
110 V · 50 Hz
Prices
≈ 60% of US
price level, 2025
GDP per capita
$8,003
2025
Happiness
6.3 / 10
World Happiness, 2025
Homicide rate
49.4
per 100k, 2023
Road deaths
15.1
per 100k/yr, 2019
Income group
Upper middle
World Bank
Religion
Protestant 65%none 21%other 7%Roman Catholic 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Morant Bay (17.8815°, -76.4093°, elevation 0 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).