Chaguanas weather in December

In December, Chaguanas sees average daytime highs of 28°C and overnight lows near 24°C, with 78 mm of rain across 16.6 wet days and about 11.4 hours of daylight. It is the 11th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 31% 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 Chaguanas's 4th-clearest and 5th-windiest month. For the whole year in context, see Chaguanas's year-round climate.

Daytime high
28°
11th warmest
Overnight low
24°
4th coldest
Rainfall
78 mm
16.6 wet days
Daylight
11 h 24 min
6:20 AM – 5:43 PM
Cloud cover
57%
4th clearest
Wind
15 km/h
5th windiest
Solar energy
4.86 kWh/m²
Travel score
5.1
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical December day in Chaguanas reaches about 28°C in the afternoon and slips back to 24°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 27°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)
12825
22825
32825
42825
52825
62825
72825
82825
92825
102825
112825
122825
132824
142824
152824
162824
172824
182824
192824
202824
212824
222824
232824
242824
252824
262824
272824
282824
292824
302824
312824

How December really feels in Chaguanas

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.

Chaguanas weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 24°369.511.56.3
Feb28° / 24°175.511.76.5
Mar29° / 24°225.211.96.1
Apr30° / 25°296.112.25.5
May30° / 25°5110.912.54.9
Jun29° / 25°1112012.64.1
Jul29° / 25°12625.412.63.7
Aug29° / 25°14426.312.33.5
Sep29° / 25°11121.712.13.7
Oct29° / 25°12122.411.83.8
Nov29° / 25°12923.411.53.9
Dec28° / 24°7816.611.45.1

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 25% of December, with mostly cloudy or overcast conditions the remaining 44%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14456
24456
34555
44555
54654
64753
74852
85050
95050
105149
115248
125347
135446
145446
155644
165743
175743
185842
195941
205941
216040
226139
236238
246238
256436
266535
276634
286733
296733
306931
316931

Chance of precipitation in December

Any precipitation

Chaguanas gets around 78 mm of rain over 16.6 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 54% 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
961
1060
1159
1258
1357
1455
1554
1653
1751
1850
1949
2048
2147
2246
2345
2444
2543
2642
2742
2841
2940
3040
3139

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 (%)
118910
21909
31918
41927
52917
62926
72935
82944
93934
103943
114933
124933
134942
145932
155932
165932
175941
185941
196931
206931
216931
226931
237921
247921
257921
268920
278920
289910
299910
3010900
3111890

Wind in December

Winds average 15 km/h in December.

Across December, daily wind ranges from about 14 km/h on the calmest days to 16 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
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2816light breeze
2916light breeze
3016light breeze
3116light breeze

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 6:13 AM to 6:27 AM, and sunset from 5:38 PM to 5:51 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.46:135:38
211.46:135:39
311.46:145:39
411.46:145:39
511.46:155:39
611.46:155:40
711.46:165:40
811.46:165:40
911.46:175:41
1011.46:175:41
1111.46:185:41
1211.46:185:42
1311.46:195:42
1411.46:195:43
1511.46:205:43
1611.46:205:43
1711.46:215:44
1811.46:215:44
1911.46:225:45
2011.46:225:45
2111.46:235:46
2211.46:235:46
2311.46:245:47
2411.46:245:47
2511.46:245:48
2611.46:255:48
2711.46:255:49
2811.46:265:49
2911.46:265:50
3011.46:275:50
3111.46:275:51

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.86 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.86 kWh/m² to a high of 6.42 kWh/m² in April across the year — December's 4.86 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.8Bright
54.8Bright
64.8Bright
74.8Bright
84.8Bright
94.8Bright
104.8Bright
114.8Bright
124.8Bright
134.8Bright
144.9Bright
154.9Bright
164.9Bright
174.9Bright
184.9Bright
194.9Bright
204.9Bright
214.9Bright
224.9Bright
234.9Bright
244.9Bright
254.9Bright
264.9Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in December

Hazard calendar for Chaguanas

In seasonPeak

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

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

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

Is December a good time to visit Chaguanas?

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

5.1
Sightseeing
5th-best month of the year
5.9
Beach & pool
6th-best month of the year

December is a reasonable time to visit Chaguanas for sightseeing.

What to pack for Chaguanas in December

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

In December, Chaguanas sees daytime highs around 28°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 17 days see rain.

light clothesrain gearsun protection

Sea temperature near Chaguanas in December

The nearest coast averages about 27°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 26 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
Dec27Warm

UV index in Chaguanas 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 Chaguanas peaks around March 21 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 12 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 12UV 9
UV index (midday)Level
Jan11Extreme
Feb13Extreme
Mar14Extreme
Apr14Extreme
May13Extreme
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep13Extreme
Oct12Extreme
Nov10Very high
Dec9Very high

Air quality in Chaguanas 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 Chaguanas is worst in June — around 31 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (November, 14 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateJun 1530 µg/m³Nov 2314 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb18Moderate
Mar19Moderate
Apr23Moderate
May26Moderate
Jun31Moderate
Jul24Moderate
Aug18Moderate
Sep15Moderate
Oct17Moderate
Nov14Moderate
Dec15Moderate
Location & terrain

Where is Chaguanas?

Chaguanas sits at 10.5°N, 61.4°W, 18 m above sea level, in Trinidad and Tobago. The nearest listed city is Tunapuna, 15 km away.

TunapunaParadiseLaventilleArimaPort of SpainMarabellaMon ReposSan Fernando

Topography around Chaguanas

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

Within 3 km, the terrain around Chaguanas has only modest variations in elevation — a maximum elevation change of 22 m around an average of 12 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 319 m; within 80 km, large variations in elevation — a maximum elevation change of 1,036 m.

The land around Chaguanas is covered by grassland (62%) and artificial surfaces (35%) within 3 km, grassland (32%), water (24%) and trees (23%) within 16 km, and water (73%) and trees (20%) within 80 km.

3 km
22 m
16 km
319 m
80 km
1,036 m
treesgrasslandcroplandartificial surfaceswaterwetlandmangroves
December weather nearby: Tunapuna 15 km · Paradise 16 km · Laventille 17 km · Arima 20 km · Port of Spain 20 km · Marabella 24 km · Mon Repos 27 km · San Fernando 27 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 Chaguanas (10.5167°, -61.4167°, elevation 18 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. 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).