Falmouth weather in December

In December, Falmouth sees average daytime highs of 27°C and overnight lows near 23°C, with 56 mm of rain across 12 wet days and about 10.9 hours of daylight. It is the 10th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 58% 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 Falmouth's 4th-clearest and 1st-windiest month. For the whole year in context, see Falmouth's year-round climate.

Daytime high
27°
10th warmest
Overnight low
23°
4th coldest
Rainfall
56 mm
12 wet days
Daylight
10 h 54 min
6:40 AM – 5:34 PM
Cloud cover
43%
4th clearest
Wind
14 km/h
1st windiest
Solar energy
4.34 kWh/m²
Travel score
6.4
out of 10

Falmouth is chief town and capital of Trelawny Parish, Jamaica.

Founded
1769

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 27°C through the month.

A typical December day in Falmouth reaches about 27°C in the afternoon and slips back to 23°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 29°C. Set against its neighbours, December runs on par with November and on par with January.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12824
22824
32824
42823
52823
62823
72823
82823
92823
102823
112823
122823
132823
142823
152723
162723
172723
182723
192723
202723
212723
222723
232723
242723
252723
262723
272723
282723
292723
302723
312723

How December really feels in Falmouth

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.

Falmouth weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 22°4712.6116.5
Feb27° / 22°3911.711.46.5
Mar28° / 23°6013.311.96.2
Apr29° / 23°8415.512.45.2
May29° / 24°18722.712.93.9
Jun30° / 25°12520.313.13.6
Jul30° / 25°12322.9133.5
Aug30° / 25°14825.812.63.1
Sep30° / 25°1862612.13.1
Oct29° / 25°17424.811.63.6
Nov28° / 24°9117.111.15.1
Dec27° / 23°561210.96.4

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 58% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 19% of December, with mostly cloudy or overcast conditions the remaining 23%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17525
27525
37723
47723
57723
67723
77723
87723
97723
107723
117624
127624
137624
147624
157624
167624
177624
187624
197624
207723
217723
227723
237723
247822
257822
267822
277921
287921
297921
307921
317921

Chance of precipitation in December

Any precipitation

Falmouth gets around 56 mm of rain over 12 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 39% and peaks near 42% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
142
241
340
440
539
639
738
838
938
1039
1139
1239
1340
1440
1540
1640
1741
1841
1941
2041
2140
2240
2340
2439
2538
2638
2737
2837
2936
3036
3137

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 96% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
10219772
20219772
30218782
40218782
50218782
60217792
70217801
80216811
90216811
101315801
111315801
121315801
131315801
141315810
151315810
161315810
171316800
181316800
191416790
201417780
211417780
221418770
231519750
241519750
251520740
261521730
271522720
281523710
291524700
300525700
310526690

Wind in December

Winds average 14 km/h in December, the windiest month of the year.

Across December, daily wind ranges from about 14 km/h on the calmest days to 14 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
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light 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 6:31 AM to 6:47 AM, and sunset from 5:29 PM to 5:41 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.06:315:29
211.06:325:30
311.06:335:30
410.96:335:30
510.96:345:30
610.96:345:30
710.96:355:31
810.96:355:31
910.96:365:31
1010.96:375:32
1110.96:375:32
1210.96:385:32
1310.96:385:33
1410.96:395:33
1510.96:395:33
1610.96:405:34
1710.96:405:34
1810.96:415:34
1910.96:415:35
2010.96:425:35
2110.96:425:36
2210.96:435:36
2310.96:435:37
2410.96:445:37
2510.96:445:38
2610.96:455:38
2710.96:455:39
2810.96:465:39
2910.96:465:40
3010.96:465:40
3110.96:475:41

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.34 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.34 kWh/m² to a high of 6.65 kWh/m² in July across the year — December's 4.34 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.4Bright
24.4Bright
34.4Bright
44.4Bright
54.4Bright
64.4Bright
74.4Bright
84.4Bright
94.3Bright
104.3Bright
114.3Bright
124.3Bright
134.3Bright
144.3Bright
154.3Bright
164.3Bright
174.3Bright
184.3Bright
194.3Bright
204.3Bright
214.3Bright
224.3Bright
234.3Bright
244.3Bright
254.3Bright
264.3Bright
274.3Bright
284.4Bright
294.4Bright
304.4Bright
314.4Bright
Planning a trip in December

Hazard calendar for Falmouth

In seasonPeak

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

Falmouth 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 Falmouth?

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

6.4
Sightseeing
3rd-best month of the year
6.7
Beach & pool
2nd-best month of the year

December is a reasonable time to visit Falmouth for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Falmouth in December

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

In December, Falmouth sees daytime highs around 27°C and nights near 23°C. Pack light clothes. Worth having: rain gear. About 12 days see rain.

light clothesrain gear

Sea temperature near Falmouth 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 at the nearest coast (about 15 km away) is warmest in September at about 30°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°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb27Warm
Mar27Warm
Apr28Warm
May28Tropical
Jun29Tropical
Jul29Tropical
Aug29Tropical
Sep30Tropical
Oct29Tropical
Nov29Tropical
Dec28Warm

UV index in Falmouth 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 Falmouth peaks around April 17 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 17UV 13Dec 15UV 7
UV index (midday)Level
Jan8Very high
Feb10Extreme
Mar12Extreme
Apr13Extreme
May12Extreme
Jun12Extreme
Jul11Extreme
Aug12Extreme
Sep12Extreme
Oct11Extreme
Nov8Very high
Dec7Very high

Air quality in Falmouth 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 Falmouth is worst in June — around 32 µg/m³ PM2.5 (moderate), about 4.3× the cleanest month (December, 7 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJun 2231 µg/m³Dec 177 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb9Good
Mar10Good
Apr13Moderate
May18Moderate
Jun32Moderate
Jul30Moderate
Aug23Moderate
Sep16Moderate
Oct13Moderate
Nov8Good
Dec7Good
Location & terrain

Where is Falmouth?

Falmouth sits at 18.5°N, 77.7°W, 0 m above sea level, in Jamaica. The nearest listed city is Barrett Town, 16 km away.

Barrett TownMontego BayMandevilleSavanna-la-MarOcho RiosMay PenLinsteadNegril

Topography around Falmouth

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

Within 3 km, the terrain around Falmouth has only modest variations in elevation — a maximum elevation change of 93 m around an average of 5 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 474 m; within 80 km, large variations in elevation — a maximum elevation change of 978 m.

The land around Falmouth is covered by water (54%) within 3 km, water (48%) and trees (39%) within 16 km, and water (50%) and trees (41%) within 80 km.

3 km
93 m
16 km
474 m
80 km
978 m
treesgrasslandartificial surfaceswaterwetlandmangroves
December weather nearby: Barrett Town 16 km · Montego Bay 28 km · Mandeville 53 km · Savanna-la-Mar 59 km · Ocho Rios 59 km · May Pen 73 km · Linstead 77 km · Negril 77 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 Falmouth (18.4936°, -77.6559°, 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).