Carmelo weather in December

In December, Carmelo sees average daytime highs of 27°C and overnight lows near 19°C, with 99 mm of rain across 8.2 wet days and about 14.2 hours of daylight. It is the 3rd-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 25°C in the first days to 28°C by the end. The sky is clear or mostly clear about 53% of the time in December, and the air most often feels humid.

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 Carmelo's 2nd-clearest and 7th-windiest month. For the whole year in context, see Carmelo's year-round climate.

Daytime high
27°
3rd warmest
Overnight low
19°
10th coldest
Rainfall
99 mm
8.2 wet days
Daylight
14 h 18 min
6:42 AM – 8:57 PM
Cloud cover
42%
2nd clearest
Wind
15 km/h
7th windiest
Solar energy
7.45 kWh/m²
Travel score
7.2
out of 10

Carmelo is city in Uruguay.

Density
1,466/km²
people per km²
Founded
1816

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 25°C in the first days to 28°C by the end.

A typical December day in Carmelo reaches about 27°C in the afternoon and slips back to 19°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 31°C. Set against its neighbours, December runs about 3°C warmer than November and about 1°C cooler than January.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12517
22517
32517
42618
52618
62618
72618
82618
92618
102618
112618
122618
132618
142618
152719
162719
172719
182719
192719
202719
212719
222719
232719
242720
252720
262820
272820
282820
292820
302820
312820

Carmelo weather by month

How December compares with the rest of the year at a glance. December is the 3rd-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 20°866.7147.1
Feb27° / 20°1107.813.37.0
Mar25° / 18°1137.712.37.4
Apr22° / 15°1168.611.27.0
May18° / 12°81710.36.2
Jun15° / 807.99.84.8
Jul14° / 817.5104.5
Aug16° / 10°86710.75.5
Sep18° / 11°877.511.86.3
Oct21° / 14°1289.912.96.6
Nov24° / 16°1047.513.87.5
Dec27° / 19°998.214.27.2

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 53% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 13% of December, with mostly cloudy or overcast conditions the remaining 34%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16436
26436
36535
46535
56535
66634
76634
86634
96733
106733
116733
126634
136634
146634
156634
166634
176634
186634
196634
206634
216535
226634
236634
246634
256535
266634
276634
286634
296733
306733
316733

Chance of precipitation in December

Any precipitation

Carmelo gets around 99 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 28% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
124
224
324
424
524
624
724
824
925
1025
1125
1226
1326
1427
1527
1628
1728
1828
1928
2028
2128
2228
2328
2428
2527
2627
2727
2826
2926
3025
3125

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the humid band about 33% of days. Sticky, muggy-or-worse air turns up on roughly 24% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1322630111
2312630121
3312630121
4302630121
5302531131
6292531141
7292531141
8282432141
9272433151
10262433151
11252434161
12242335161
13232335171
14222336182
15212236192
16202236192
17192137202
18192136213
19182036223
20172036234
21161936245
22161935256
23151834266
24141834277
25141733288
26141732289
27131732299
281317312910
291216312911
301216312912
311116313012

Wind in December

Winds average 15 km/h in December.

Across December, daily wind ranges from about 15 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
116light breeze
216light breeze
316light breeze
416light breeze
516light breeze
616light breeze
716light breeze
816light breeze
916light breeze
1016light breeze
1116light breeze
1216light breeze
1316light breeze
1416light breeze
1516light 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
2815light breeze
2915light breeze
3015light breeze
3115light 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 6:40 AM to 6:49 AM, and sunset from 8:46 PM to 9:03 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.16:408:46
214.16:408:47
314.16:408:48
414.16:408:48
514.26:408:49
614.26:408:50
714.26:408:51
814.26:408:51
914.26:408:52
1014.26:408:53
1114.26:408:54
1214.26:418:54
1314.26:418:55
1414.26:418:56
1514.26:418:56
1614.36:428:57
1714.36:428:57
1814.36:428:58
1914.36:438:59
2014.36:438:59
2114.36:449:00
2214.36:449:00
2314.36:459:01
2414.36:459:01
2514.36:469:01
2614.36:469:02
2714.36:479:02
2814.36:479:03
2914.26:489:03
3014.26:499:03
3114.26:499:03

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 7.45 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.28 kWh/m² to a high of 7.45 kWh/m² in December across the year — December's 7.45 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.3Intense
27.4Intense
37.4Intense
47.4Intense
57.4Intense
67.4Intense
77.4Intense
87.5Intense
97.5Intense
107.5Intense
117.5Intense
127.5Intense
137.4Intense
147.4Intense
157.4Intense
167.4Intense
177.4Intense
187.4Intense
197.4Intense
207.4Intense
217.4Intense
227.4Intense
237.4Intense
247.4Intense
257.4Intense
267.4Intense
277.4Intense
287.4Intense
297.4Intense
307.4Intense
317.4Intense
Planning a trip in December

Is December a good time to visit Carmelo?

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

7.2
Sightseeing
3rd-best month of the year
7.1
Beach & pool
3rd-best month of the year

December is one of the better times to visit Carmelo for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Carmelo in December

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

In December, Carmelo sees daytime highs around 27°C and nights near 19°C. Pack sun protection. Worth having: light clothes and rain gear. About 8 days see rain.

sun protectionlight clothesrain gear

Sea temperature near Carmelo in December

The nearest coast averages about 23°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 16 km away) is warmest in January at about 25°C and coldest in July near 13°C.

It's comfortable for a long swim from Nov 8 to Apr 22 — about 5.5 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swimcomfortable to swim
Sea temperature (°C)Comfort
Jan25Warm
Feb25Warm
Mar24Refreshing
Apr21Refreshing
May17Cool
Jun14Bracing
Jul13Bracing
Aug14Bracing
Sep15Cool
Oct18Cool
Nov21Refreshing
Dec23Refreshing

UV index in Carmelo in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Carmelo peaks around January 15 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 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 15UV 13Jun 18UV 3
UV index (midday)Level
Jan13Extreme
Feb11Extreme
Mar10Very high
Apr6High
May4Moderate
Jun3Moderate
Jul3Moderate
Aug4Moderate
Sep6High
Oct8Very high
Nov11Extreme
Dec12Extreme
Location & terrain

Where is Carmelo?

Carmelo sits at 34.0°S, 58.3°W, 13 m above sea level, in Uruguay. The nearest listed city is Dolores, 53 km away.

DoloresTigreSan IsidroGeneral PachecoDon TorcuatoBelgranoRetiro

Topography around Carmelo

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

Within 3 km, the terrain around Carmelo has only modest variations in elevation — a maximum elevation change of 29 m around an average of 7 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 64 m; within 80 km, only modest variations in elevation — a maximum elevation change of 171 m.

The land around Carmelo is covered by grassland (33%) and water (20%) within 3 km, cropland (32%) and water (27%) within 16 km, and cropland (27%), wetland (21%) and water (20%) within 80 km.

3 km
29 m
16 km
64 m
80 km
171 m
treesgrasslandcroplandartificial surfaceswaterwetland
December weather nearby: Dolores 53 km · Tigre 55 km · San Isidro 57 km · General Pacheco 60 km · Don Torcuato 63 km · Belgrano 65 km · Campana 65 km · Retiro 65 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 Carmelo (-34.0002°, -58.284°, elevation 13 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).