Trinidad weather in December

In December, Trinidad sees average daytime highs of 28°C and overnight lows near 16°C, with 103 mm of rain across 8.2 wet days and about 14.2 hours of daylight. It is the 3rd-warmest and 5th-wettest month of the year here.

Highs climb over the month, from about 27°C in the first days to 29°C by the end. The sky is clear or mostly clear about 48% of the time in December, and the air most often feels dry.

Daylight stretches from about 14 h 06 min at the start of December to 14 h 12 min by month's end. Set against the rest of the year, December is Trinidad's 1st-clearest and 6th-windiest month. For the whole year in context, see Trinidad's year-round climate.

Daytime high
28°
3rd warmest
Overnight low
16°
10th coldest
Rainfall
103 mm
8.2 wet days
Daylight
14 h 12 min
6:37 AM – 8:50 PM
Cloud cover
46%
1st clearest
Wind
13 km/h
6th windiest
Solar energy
7.32 kWh/m²
Travel score
6.5
out of 10

Trinidad is capital city of Flores in southern Uruguay.

Density
2,768/km²
people per km²
Founded
1805

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 27°C in the first days to 29°C by the end.

A typical December day in Trinidad reaches about 28°C in the afternoon and slips back to 16°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 33°C. Set against its neighbours, December runs about 3°C warmer than November and about 2°C cooler than January.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12715
22715
32715
42715
52715
62715
72716
82716
92716
102816
112816
122816
132816
142816
152816
162816
172817
182817
192817
202817
212917
222917
232917
242917
252917
262918
272918
282918
292918
302918
312918

Trinidad weather by month

How December compares with the rest of the year at a glance. December is the 3rd-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 18°827.6145.7
Feb28° / 18°1088.213.26.2
Mar26° / 16°987.912.37.1
Apr23° / 13°1178.211.27.1
May19° / 10°846.910.36.4
Jun16° / 897.29.85.3
Jul15° / 736.7105.0
Aug17° / 987.410.86.1
Sep19° / 877.511.86.5
Oct22° / 12°1199.112.86.8
Nov25° / 14°1057.313.77.3
Dec28° / 16°1038.214.26.5

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 48% of the time in December, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 13% of December, with mostly cloudy or overcast conditions the remaining 38%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15842
25941
36040
46040
56139
66139
76139
86139
96238
106337
116337
126337
136337
146436
156337
166337
176337
186238
196337
206337
216238
226238
236238
246238
256238
266238
276139
286139
296139
306139
316139

Chance of precipitation in December

Any precipitation

Trinidad gets around 103 mm of rain over 8.2 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 26% and peaks near 29% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
125
225
325
425
526
626
726
827
927
1027
1127
1228
1328
1428
1528
1629
1729
1828
1928
2028
2127
2227
2327
2426
2526
2625
2725
2825
2924
3024
3124

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the dry band about 29% of days. Sticky, muggy-or-worse air turns up on roughly 18% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
141272381
241272481
341272481
440262481
540262581
639262591
738272691
837272791
936272791
1035272891
1134272891
12332729101
13322729101
14302730111
15292730121
16282731131
17272731141
18262631151
19252631172
20242630182
21232530192
22222530203
23212529213
24212429224
25202428234
26202427244
27192427255
28192426265
29182426265
30182425276
31182425276

Wind in December

Winds average 13 km/h in December.

Across December, daily wind ranges from about 13 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
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 14 h 06 min at the start of December to 14 h 12 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 6:36 AM to 6:45 AM, and sunset from 8:39 PM to 8:57 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.16:368:39
214.16:358:40
314.16:358:41
414.16:358:42
514.16:358:42
614.16:358:43
714.16:368:44
814.26:368:45
914.26:368:45
1014.26:368:46
1114.26:368:47
1214.26:368:48
1314.26:378:48
1414.26:378:49
1514.26:378:49
1614.26:378:50
1714.26:388:51
1814.26:388:51
1914.26:398:52
2014.26:398:52
2114.26:398:53
2214.26:408:53
2314.26:408:54
2414.26:418:54
2514.26:418:55
2614.26:428:55
2714.26:428:55
2814.26:438:56
2914.26:448:56
3014.26:448:56
3114.26:458:57

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 7.32 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.26 kWh/m² to a high of 7.32 kWh/m² in December across the year — December's 7.32 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.2Intense
27.2Intense
37.3Intense
47.3Intense
57.3Intense
67.3Intense
77.3Intense
87.3Intense
97.3Intense
107.3Intense
117.3Intense
127.3Intense
137.3Intense
147.3Intense
157.3Intense
167.3Intense
177.3Intense
187.3Intense
197.3Intense
207.3Intense
217.3Intense
227.3Intense
237.3Intense
247.3Intense
257.3Intense
267.3Intense
277.3Intense
287.3Intense
297.3Intense
307.3Intense
317.3Intense
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).

6.5
Sightseeing
5th-best month of the year
7.3
Beach & pool
2nd-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 28°C and nights near 16°C. Pack light clothes and sun protection. Worth having: rain gear. About 8 days see rain.

light clothessun protectionrain gear

UV index in Trinidad in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 11 (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 16 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateHighVery highExtremeJan 16UV 13Jun 19UV 3
UV index (midday)Level
Jan13Extreme
Feb11Extreme
Mar10Very high
Apr7High
May4Moderate
Jun3Moderate
Jul3Moderate
Aug4Moderate
Sep6High
Oct8Very high
Nov11Extreme
Dec11Extreme
Location & terrain

Where is Trinidad?

Trinidad sits at 33.5°S, 56.9°W, 142 m above sea level, in Uruguay. The nearest listed city is Durazno, 38 km away.

DuraznoFloridaSan José de MayoMercedesYoungSanta LucíaDoloresCanelones

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 43 m around an average of 124 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 93 m; within 80 km, only modest variations in elevation — a maximum elevation change of 195 m.

The land around Trinidad is covered by grassland (57%) within 3 km, grassland (64%) and cropland (31%) within 16 km, and grassland (61%) and cropland (31%) within 80 km.

3 km
43 m
16 km
93 m
80 km
195 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Durazno 38 km · Florida 91 km · San José de Mayo 93 km · Mercedes 109 km · Young 113 km · Santa Lucía 114 km · Dolores 122 km · Canelones 126 km

Uruguay travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F / I / L
230 V · 50 Hz
Prices
≈ 66% of US
price level, 2025
GDP per capita
$25,216
2025
Happiness
6.6 / 10
World Happiness, 2025
Homicide rate
11.2
per 100k, 2023
Road deaths
14.8
per 100k/yr, 2019
Income group
High
World Bank
English
Moderate
EF EPI 542
Religion
none 47%Roman Catholic 37%Protestant 15%atheist 10%

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 (-33.5165°, -56.8996°, elevation 142 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).