Scarborough weather in December

In December, Scarborough sees average daytime highs of 27°C and overnight lows near 26°C, with 98 mm of rain across 17.8 wet days and about 11.4 hours of daylight. It is the 8th-warmest and 7th-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 48% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 11 h 24 min at the start of December to 11 h 24 min by month's end. Set against the rest of the year, December is Scarborough's 4th-clearest and 7th-windiest month. For the whole year in context, see Scarborough's year-round climate.

Daytime high
27°
8th warmest
Overnight low
26°
4th coldest
Rainfall
98 mm
17.8 wet days
Daylight
11 h 18 min
6:19 AM – 5:40 PM
Cloud cover
48%
4th clearest
Wind
26 km/h
7th windiest
Solar energy
4.97 kWh/m²
Travel score
5.6
out of 10

Scarborough is town in Trinidad and Tobago.

Density
1,700/km²
people per km²
Founded
1654

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 Scarborough reaches about 27°C in the afternoon and slips back to 26°C overnight — a 1°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 27°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)
12726
22726
32726
42726
52726
62726
72726
82726
92726
102726
112726
122726
132726
142726
152726
162726
172726
182726
192725
202725
212725
222725
232725
242725
252725
262725
272725
282725
292725
302725
312725

How December really feels in Scarborough

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.

Scarborough weather by month

How December compares with the rest of the year at a glance. December is the 8th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 25°5812.811.46.6
Feb26° / 25°288.511.67.1
Mar26° / 25°257.211.97.3
Apr27° / 26°317.712.26.8
May27° / 26°6712.612.56.1
Jun27° / 26°14921.112.64.7
Jul27° / 26°17124.812.64.4
Aug28° / 26°17424.812.44.4
Sep28° / 26°1502112.14.4
Oct28° / 26°16523.211.74.4
Nov28° / 26°18023.311.54.5
Dec27° / 26°9817.811.45.6

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 48% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 18% of December, with mostly cloudy or overcast conditions the remaining 34%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15743
25743
35842
45842
55941
66040
76139
86238
96337
106337
116436
126535
136535
146634
156733
166733
176832
186832
196832
206931
216931
226931
237030
247030
257129
267228
277327
287327
297525
307525
317624

Chance of precipitation in December

Any precipitation

Scarborough gets around 98 mm of rain over 17.8 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 58% and peaks near 71% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
171
270
369
468
566
665
764
863
962
1062
1161
1260
1360
1459
1558
1658
1757
1857
1956
2055
2154
2254
2353
2453
2552
2651
2751
2850
2949
3049
3148

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 92% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
12899
22899
32908
43898
53907
63907
74906
84906
94915
105905
115914
125914
135914
146913
156913
166922
176922
186931
196931
206931
216931
226931
236931
246940
256940
266940
276940
286940
296940
306940
316940

Wind in December

Winds average 26 km/h in December.

Across December, daily wind ranges from about 24 km/h on the calmest days to 27 km/h at its breeziest. It stays fairly steady from day to day.

0102030151015202531
Wind speed (km/h)Feels
124breezy
224breezy
324breezy
424breezy
525breezy
625breezy
725breezy
825breezy
925breezy
1025breezy
1125breezy
1225breezy
1326breezy
1426breezy
1526breezy
1626breezy
1726breezy
1826breezy
1926breezy
2026breezy
2126breezy
2226breezy
2326breezy
2427breezy
2527breezy
2627breezy
2727breezy
2827breezy
2927breezy
3027breezy
3127breezy

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 h 24 min at the start of December to 11 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over December. Sunrise moves from 6:11 AM to 6:26 AM, and sunset from 5:34 PM to 5:47 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.46:115:34
211.46:115:35
311.46:125:35
411.46:125:35
511.46:135:36
611.46:145:36
711.46:145:36
811.46:155:36
911.46:155:37
1011.46:165:37
1111.46:165:38
1211.46:175:38
1311.46:175:38
1411.46:185:39
1511.36:185:39
1611.36:195:40
1711.36:195:40
1811.36:205:40
1911.36:205:41
2011.36:215:41
2111.36:215:42
2211.36:225:42
2311.36:225:43
2411.36:235:43
2511.36:235:44
2611.36:235:44
2711.36:245:45
2811.36:245:45
2911.36:255:46
3011.46:255:46
3111.46:265:47

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.97 kWh/m².

For context, solar energy here swings from a low near 4.94 kWh/m² to a high of 6.5 kWh/m² in April across the year — December's 4.97 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
44.9Bright
54.9Bright
64.9Bright
74.9Bright
84.9Bright
94.9Bright
104.9Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in December

Hazard calendar for Scarborough

In seasonPeak

In December, Scarborough sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

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

Scarborough's rainy season runs June–December, when most of the year's rain falls.

Scarborough sees seasonal dust haze (June), heaviest in June.

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

Is December a good time to visit Scarborough?

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

5.6
Sightseeing
6th-best month of the year
5.6
Beach & pool
6th-best month of the year

December is a reasonable time to visit Scarborough for sightseeing.

What to pack for Scarborough in December

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

In December, Scarborough sees daytime highs around 27°C and nights near 26°C. Pack rain gear. Worth having: light clothes, sun protection and a windbreaker. About 18 days see rain.

rain gearlight clothessun protectiona windbreaker

Sea temperature near Scarborough 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 14 km away) 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
Jun28Warm
Jul28Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov28Tropical
Dec28Warm

UV index in Scarborough in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Scarborough peaks around March 21 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 13 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highMar 21UV 14Dec 13UV 9
UV index (midday)Level
Jan11Extreme
Feb13Extreme
Mar14Extreme
Apr14Extreme
May13Extreme
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep13Extreme
Oct12Extreme
Nov10Very high
Dec9Very high

Air quality in Scarborough 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 Scarborough is worst in June — around 32 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (January, 14 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateJun 1631 µg/m³Jan 114 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb17Moderate
Mar17Moderate
Apr21Moderate
May24Moderate
Jun32Moderate
Jul24Moderate
Aug19Moderate
Sep14Moderate
Oct17Moderate
Nov14Moderate
Dec14Moderate
Location & terrain

Where is Scarborough?

Scarborough sits at 11.2°N, 60.7°W, 9 m above sea level, in Trinidad and Tobago. The nearest listed city is Sangre Grande, 79 km away.

Sangre GrandeArimaParadiseTunapunaLaventillePort of SpainDiego MartinChaguanas

Topography around Scarborough

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

Within 3 km, the terrain around Scarborough has only modest variations in elevation — a maximum elevation change of 238 m around an average of 54 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 576 m; within 80 km, large variations in elevation — a maximum elevation change of 930 m.

The land around Scarborough is covered by trees (48%) and water (32%) within 3 km, water (75%) and trees (22%) within 16 km, and water (89%) within 80 km.

3 km
238 m
16 km
576 m
80 km
930 m
treesgrasslandartificial surfaceswater
December weather nearby: Sangre Grande 79 km · Arima 85 km · Paradise 90 km · Tunapuna 93 km · Laventille 102 km · Port of Spain 103 km · Diego Martin 104 km · Chaguanas 105 km

Trinidad and Tobago travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type A / B
115 / 230 V · 60 Hz
Prices
≈ 51% of US
price level, 2025
GDP per capita
$18,967
2025
Happiness
5.9 / 10
World Happiness, 2025
Safe drinking water
69%
of population, 2024
Homicide rate
40.4
per 100k, 2022
Road deaths
9.3
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 32%Roman Catholic 22%Hindu 18%other 8%

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 Scarborough (11.1823°, -60.7353°, elevation 9 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).