Trinidad weather in December

In December, Trinidad sees average daytime highs of 30°C and overnight lows near 24°C, with 299 mm of rain across 25.4 wet days and about 12.9 hours of daylight. It is the 5th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 5% of the time in December, and the air most often feels miserable.

Daylight stretches from about 12 h 48 min at the start of December to 12 h 54 min by month's end. Set against the rest of the year, December is Trinidad's 10th-clearest and 5th-windiest month. For the whole year in context, see Trinidad's year-round climate.

Daytime high
30°
5th warmest
Overnight low
24°
11th coldest
Rainfall
299 mm
25.4 wet days
Daylight
12 h 54 min
5:50 AM – 6:42 PM
Cloud cover
85%
10th clearest
Wind
9 km/h
5th windiest
Solar energy
5.08 kWh/m²
Travel score
2.9
out of 10

Trinidad is city in Bolivia.

Density
3,121/km²
people per km²
Founded
1686

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 30°C through the month.

A typical December day in Trinidad reaches about 30°C in the afternoon and slips back to 24°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 33°C. Set against its neighbours, December runs on par with November and on par with January.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13124
23124
33124
43124
53124
63124
73124
83124
93024
103024
113024
123024
133024
143024
153124
163124
173124
183124
193024
203024
213024
223024
233024
243024
253024
263024
273024
283024
293024
303024
313024

How December really feels in Trinidad

Once humidity and wind are folded in, December averages 31 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
31
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 5th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 24°33026.912.82.9
Feb30° / 24°28423.412.53.0
Mar30° / 24°23423.612.13.2
Apr30° / 23°14216.611.74.1
May29° / 21°841111.35.5
Jun28° / 19°547.411.16.3
Jul29° / 18°415.111.26.5
Aug31° / 20°506.211.55.2
Sep32° / 22°10610.211.94.0
Oct32° / 23°16116.712.33.3
Nov31° / 23°23919.512.73.2
Dec30° / 24°29925.412.92.9

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 5% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 8% of December, with mostly cloudy or overcast conditions the remaining 87%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11585
21585
31486
41486
51486
61288
71288
81288
91288
101288
111288
121387
131387
141387
151387
161387
171387
181387
191387
201387
211387
221387
231387
241387
251387
261387
271387
281387
291387
301387
311387

Chance of precipitation in December

Any precipitation

Trinidad gets around 299 mm of rain over 25.4 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 82% and peaks near 88% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
178
278
379
480
580
680
780
880
980
1080
1179
1280
1380
1480
1580
1680
1780
1881
1981
2081
2182
2282
2383
2484
2585
2686
2786
2887
2987
3088
3188

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the miserable band about 59% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
144155
244155
344254
444254
544254
644353
744353
844353
944353
1044353
1134354
1234255
1334156
1434057
1533958
1633859
1733760
1823662
1923563
2023563
2123464
2223464
2323365
2423365
2513366
2613366
2713465
2813465
2913465
3013465
3113465

Wind in December

Winds average 9 km/h in December.

Across December, daily wind ranges from about 8 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
18calm
28calm
38calm
48calm
58calm
68calm
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 12 h 48 min at the start of December to 12 h 54 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 5:57 AM, and sunset from 6:34 PM to 6:49 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:456:34
212.85:456:34
312.85:456:35
412.85:466:36
512.85:466:36
612.85:466:37
712.85:466:37
812.95:476:38
912.95:476:38
1012.95:476:39
1112.95:486:39
1212.95:486:40
1312.95:486:40
1412.95:496:41
1512.95:496:41
1612.95:506:42
1712.95:506:43
1812.95:506:43
1912.95:516:44
2012.95:516:44
2112.95:526:44
2212.95:526:45
2312.95:536:45
2412.95:536:46
2512.95:546:46
2612.95:546:47
2712.95:556:47
2812.95:556:48
2912.95:566:48
3012.95:566:48
3112.95:576:49

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.08 kWh/m².

For context, solar energy here swings from a low near 3.98 kWh/m² to a high of 5.64 kWh/m² in October across the year — December's 5.08 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.1Bright
45.1Bright
55.1Bright
65.1Bright
75.1Bright
85.1Bright
95.1Bright
105.1Bright
115.1Bright
125.1Bright
135.1Bright
145.1Bright
155.1Bright
165.1Bright
175.1Bright
185.1Bright
195.1Bright
205.1Bright
215.1Bright
225.1Bright
235.1Bright
245.1Bright
255.1Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in December

Hazard calendar for Trinidad

In seasonPeak

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

Trinidad's rainy season runs October–March, 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 Trinidad?

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

2.9
Sightseeing
11th-best month of the year
4.2
Beach & pool
10th-best month of the year

December is a weaker month for outdoor sightseeing in Trinidad.

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 30°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 25 days see rain.

light clothesrain gearsun protection

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 22 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 13 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeJan 22UV 15Sep 13UV 6
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar14Extreme
Apr11Extreme
May9Very high
Jun8Very high
Jul8Very high
Aug8Very high
Sep6High
Oct10Extreme
Nov13Extreme
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 86 µg/m³ PM2.5 (unhealthy), about 12.3× the cleanest month (May, 7 µg/m³).

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

0306090JanFebMarAprMayJunJulAugSepOctNovDecGoodGoodModerateUnhealthyModerateSep 1781 µg/m³May 207 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb12Moderate
Mar12Good
Apr9Good
May7Good
Jun8Good
Jul13Moderate
Aug35Poor
Sep86Unhealthy
Oct49Poor
Nov23Moderate
Dec11Good
Location & terrain

Where is Trinidad?

Trinidad sits at 14.8°S, 64.9°W, 155 m above sea level, in Bolivia. The nearest listed city is San Borja, 198 km away.

San BorjaAscención de GuarayosCaranaviVilla YapacaníSacabaTiquipayaCochabambaPunata

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 11 m around an average of 154 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 38 m; within 80 km, only modest variations in elevation — a maximum elevation change of 50 m.

The land around Trinidad is covered by artificial surfaces (40%), grassland (30%) and trees (26%) within 3 km, grassland (47%) and trees (44%) within 16 km, and grassland (46%) and trees (45%) within 80 km.

3 km
11 m
16 km
38 m
80 km
50 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: San Borja 198 km · Ascención de Guarayos 218 km · Caranavi 306 km · Villa Yapacaní 308 km · Sacaba 310 km · Tiquipaya 312 km · Cochabamba 314 km · Punata 317 km

Bolivia travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B / C
230 V · 50 Hz
Prices
≈ 40% of US
price level, 2025
GDP per capita
$5,148
2025
Happiness
5.8 / 10
World Happiness, 2025
Homicide rate
4.4
per 100k, 2023
Road deaths
21.1
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
Moderate
EF EPI 521
Religion
Roman Catholic 65%Protestant 20%none 6%other 5%

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 (-14.8322°, -64.9034°, elevation 155 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).