Trinidad weather in December

In December, Trinidad sees average daytime highs of 31°C and overnight lows near 21°C, with 176 mm of rain across 12.8 wet days and about 13.7 hours of daylight. It is the 2nd-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 43% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 13 h 36 min at the start of December to 13 h 42 min by month's end. Set against the rest of the year, December is Trinidad's 7th-clearest and 8th-windiest month. For the whole year in context, see Trinidad's year-round climate.

Daytime high
31°
2nd warmest
Overnight low
21°
10th coldest
Rainfall
176 mm
12.8 wet days
Daylight
13 h 42 min
5:48 AM – 7:30 PM
Cloud cover
52%
7th clearest
Wind
9 km/h
8th windiest
Solar energy
6.65 kWh/m²
Travel score
4.2
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical December day in Trinidad reaches about 31°C in the afternoon and slips back to 21°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 35°C. Set against its neighbours, December runs about 2°C warmer than November and on par with January.

15°20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13120
23120
33120
43120
53120
63120
73120
83120
93120
103120
113120
123120
133120
143120
153121
163121
173121
183121
193121
203121
213121
223121
233221
243221
253221
263221
273221
283221
293222
303222
313222

How December really feels in Trinidad

Once humidity and wind are folded in, December averages 25 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
25
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in December is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Trinidad weather by month

How December compares with the rest of the year at a glance. December is the 2nd-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 22°15714.213.53.8
Feb31° / 21°15114134.0
Mar30° / 20°13111.512.25.0
Apr27° / 17°1611011.46.5
May23° / 14°1488.910.77.1
Jun21° / 13°1248.610.36.8
Jul21° / 12°1218.910.56.9
Aug24° / 13°917.7117.6
Sep25° / 15°1521011.87.0
Oct28° / 17°22212.612.76.0
Nov29° / 19°16611.113.35.3
Dec31° / 21°17612.813.74.2

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 43% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 15% of December, with mostly cloudy or overcast conditions the remaining 42%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15743
25743
35743
45842
55842
65842
75941
85941
95941
106040
116040
126040
135941
145941
155941
165941
175941
185941
195941
205941
215842
225743
235743
245644
255644
265644
275644
285644
295644
305644
315644

Chance of precipitation in December

Any precipitation

Trinidad gets around 176 mm of rain over 12.8 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 41% and peaks near 45% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
138
238
339
439
539
639
739
838
938
1038
1138
1238
1339
1439
1540
1641
1741
1842
1942
2042
2143
2244
2344
2445
2545
2645
2745
2845
2945
3045
3145

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 35% of days. Sticky, muggy-or-worse air turns up on roughly 73% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
15122037260
25122037260
35112038260
45112038270
55102038270
65102038270
7592038280
8592038280
9592038290
10582038300
11481938300
12481938310
13471938320
14471838321
15371738331
16371738341
17361638351
18361638362
19261537372
20261437383
21261436393
22251435414
23151334425
24151332435
25151331446
26151330457
27141329457
28141328468
29141327468
30141327479
31141326479

Wind in December

Winds average 9 km/h in December.

Across December, daily wind ranges from about 9 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 13 h 36 min at the start of December to 13 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over December. Sunrise moves from 5:45 AM to 5:55 AM, and sunset from 7:20 PM to 7:37 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.65:457:20
213.65:457:21
313.65:457:22
413.65:457:22
513.65:457:23
613.65:457:24
713.65:467:24
813.75:467:25
913.75:467:26
1013.75:467:26
1113.75:467:27
1213.75:477:28
1313.75:477:28
1413.75:477:29
1513.75:487:29
1613.75:487:30
1713.75:487:31
1813.75:497:31
1913.75:497:32
2013.75:507:32
2113.75:507:33
2213.75:507:33
2313.75:517:34
2413.75:517:34
2513.75:527:34
2613.75:527:35
2713.75:537:35
2813.75:547:36
2913.75:547:36
3013.75:557:36
3113.75:557:37

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.65 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.62 kWh/m² to a high of 6.65 kWh/m² in December across the year — December's 6.65 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.6Intense
26.6Intense
36.6Intense
46.6Intense
56.6Intense
66.6Intense
76.6Intense
86.7Intense
96.7Intense
106.7Intense
116.7Intense
126.7Intense
136.7Intense
146.7Intense
156.7Intense
166.7Intense
176.7Intense
186.7Intense
196.7Intense
206.7Intense
216.7Intense
226.7Intense
236.7Intense
246.7Intense
256.7Intense
266.7Intense
276.7Intense
286.7Intense
296.7Intense
306.7Intense
316.7Intense
Planning a trip in December

Is December a good time to visit Trinidad?

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

4.2
Sightseeing
10th-best month of the year
6.3
Beach & pool
6th-best month of the year

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

What to pack for Trinidad in December

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

In December, Trinidad sees daytime highs around 31°C and nights near 21°C. Pack light clothes and sun protection. Worth having: rain gear. About 13 days see rain.

light clothessun protectionrain gear

UV index in Trinidad in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Trinidad peaks around January 18 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighModerateHighVery highExtremeJan 18UV 14Jun 21UV 4
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar11Extreme
Apr8Very high
May5High
Jun4Moderate
Jul4Moderate
Aug5High
Sep8Very high
Oct7Very high
Nov11Extreme
Dec13Extreme

Air quality in Trinidad 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 Trinidad is worst in September — around 19 µg/m³ PM2.5 (moderate), about 2.9× the cleanest month (March, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1519 µg/m³Mar 167 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb8Good
Mar7Good
Apr8Good
May7Good
Jun8Good
Jul9Good
Aug14Moderate
Sep19Moderate
Oct12Moderate
Nov9Good
Dec7Good
Location & terrain

Where is Trinidad?

Trinidad sits at 27.1°S, 55.7°W, 0 m above sea level, in Paraguay. The nearest listed city is Encarnación, 27 km away.

Leandro N. AlemOberáPuerto RicoApóstoles

Topography around Trinidad

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

Within 3 km, the terrain around Trinidad has only modest variations in elevation — a maximum elevation change of 106 m around an average of 127 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 204 m; within 80 km, significant variations in elevation — a maximum elevation change of 443 m.

The land around Trinidad is covered by trees (52%) and grassland (44%) within 3 km, trees (40%), grassland (27%) and cropland (27%) within 16 km, and trees (47%) and grassland (27%) within 80 km.

3 km
106 m
16 km
204 m
80 km
443 m
treesgrasslandcroplandartificial surfaceswaterwetland
December weather nearby: Encarnación 27 km · Posadas 36 km · Garupá 41 km · Jardín América 48 km · Leandro N. Alem 65 km · Oberá 70 km · Puerto Rico 77 km · Apóstoles 87 km

Paraguay travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type A / B / C / N
220 V · 50 Hz
Prices
≈ 35% of US
price level, 2025
GDP per capita
$7,027
2025
Happiness
6.2 / 10
World Happiness, 2025
Safe drinking water
64%
of population, 2024
Homicide rate
6.8
per 100k, 2023
Road deaths
22
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Moderate
EF EPI 531
Religion
Roman Catholic 80%Protestant 7%Believer 6%other 1%

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 Trinidad (-27.131°, -55.7058°, 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. 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).