Dolores weather in December

In December, Dolores sees average daytime highs of 27°C and overnight lows near 15°C, with 79 mm of rain across 9 wet days and about 14.4 hours of daylight. It is the 3rd-warmest and 7th-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 47% of the time in December, and the air most often feels dry.

Daylight stretches from about 14 h 18 min at the start of December to 14 h 24 min by month's end. Set against the rest of the year, December is Dolores's 1st-clearest and 4th-windiest month. For the whole year in context, see Dolores's year-round climate.

Daytime high
27°
3rd warmest
Overnight low
15°
10th coldest
Rainfall
79 mm
9 wet days
Daylight
14 h 30 min
5:33 AM – 8:01 PM
Cloud cover
45%
1st clearest
Wind
14 km/h
4th windiest
Solar energy
7.42 kWh/m²
Travel score
7.0
out of 10

Dolores is city in the province of Buenos Aires in Argentina.

Founded
1817

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 Dolores reaches about 27°C in the afternoon and slips back to 15°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 32°C. Set against its neighbours, December runs about 3°C warmer than November and about 1°C cooler than January.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12514
22514
32514
42514
52514
62514
72614
82614
92614
102615
112615
122615
132615
142615
152615
162715
172715
182715
192716
202716
212716
222716
232716
242716
252716
262716
272816
282817
292817
302817
312817

Dolores weather by month

How December compares with the rest of the year at a glance. December is the 3rd-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 17°948.814.26.8
Feb27° / 17°878.213.46.9
Mar25° / 15°818.212.37.4
Apr21° / 12°90711.17.0
May17° / 526.410.16.1
Jun14° / 595.79.64.6
Jul13° / 596.19.84.1
Aug16° / 656.210.65.2
Sep17° / 726.711.86.0
Oct20° / 10°939.712.96.4
Nov23° / 13°878.913.97.1
Dec27° / 15°79914.47.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 47% of the time in December, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 15% of December, with mostly cloudy or overcast conditions the remaining 38%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15941
25941
36040
46040
56040
66139
76139
86139
96139
106238
116238
126238
136238
146238
156337
166436
176436
186436
196436
206436
216436
226436
236436
246436
256436
266436
276436
286337
296238
306238
316337

Chance of precipitation in December

Any precipitation

Dolores gets around 79 mm of rain over 9 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 30% and peaks near 31% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
129
229
329
429
529
629
729
829
929
1029
1129
1229
1329
1430
1530
1630
1730
1830
1930
2030
2130
2230
2330
2430
2531
2631
2731
2831
2931
3031
3131

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 34% of days. Sticky, muggy-or-worse air turns up on roughly 12% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
148272040
248272150
347272150
447272150
546272150
645282250
744282250
843282350
942292350
1041292450
1140302461
1239302461
1338312561
1437312571
1535312671
1634312681
1733312691
18323027101
19313027111
20292928131
21282828141
22272729161
23262629171
24262530181
25252430192
26242330202
27232331212
28232231222
29222231232
30222131242
31212131242

Wind in December

Winds average 14 km/h in December.

Across December, daily wind ranges from about 14 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
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 14 h 18 min at the start of December to 14 h 24 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 5:32 AM to 5:41 AM, and sunset from 7:49 PM to 8:07 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.35:327:49
214.35:327:50
314.35:317:51
414.35:317:52
514.45:317:53
614.45:317:54
714.45:317:54
814.45:317:55
914.45:327:56
1014.45:327:57
1114.45:327:57
1214.45:327:58
1314.45:327:59
1414.55:327:59
1514.55:338:00
1614.55:338:01
1714.55:338:01
1814.55:348:02
1914.55:348:02
2014.55:348:03
2114.55:358:04
2214.55:358:04
2314.55:368:04
2414.55:368:05
2514.55:378:05
2614.55:378:06
2714.55:388:06
2814.55:398:06
2914.55:398:07
3014.55:408:07
3114.45:418:07

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 7.42 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.08 kWh/m² to a high of 7.42 kWh/m² in December across the year — December's 7.42 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.2Intense
27.2Intense
37.2Intense
47.3Intense
57.3Intense
67.3Intense
77.3Intense
87.3Intense
97.3Intense
107.4Intense
117.4Intense
127.4Intense
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
317.3Intense
Planning a trip in December

Is December a good time to visit Dolores?

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

7.0
Sightseeing
3rd-best month of the year
6.8
Beach & pool
3rd-best month of the year

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

What to pack for Dolores in December

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

In December, Dolores sees daytime highs around 27°C and nights near 15°C. Pack sun protection. Worth having: light clothes and rain gear. About 9 days see rain.

sun protectionlight clothesrain gear

Sea temperature near Dolores in December

The nearest coast averages about 21°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 54 km away) is warmest in January at about 23°C and coldest in July near 11°C.

It's comfortable for a long swim from Dec 1 to Apr 5 — about 4.1 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan23Refreshing
Feb23Refreshing
Mar22Refreshing
Apr19Cool
May16Cool
Jun13Bracing
Jul11Bracing
Aug11Bracing
Sep13Bracing
Oct16Cool
Nov19Cool
Dec21Refreshing

UV index in Dolores 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 Dolores peaks around January 13 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateHighVery highExtremeJan 13UV 12Jun 20UV 2
UV index (midday)Level
Jan12Extreme
Feb11Extreme
Mar9Very high
Apr6High
May3Moderate
Jun2Moderate
Jul3Moderate
Aug4Moderate
Sep5High
Oct7Very high
Nov11Extreme
Dec12Extreme
Location & terrain

Where is Dolores?

Dolores sits at 36.3°S, 57.7°W, 9 m above sea level, in Argentina. The nearest listed city is Chascomús, 88 km away.

Topography around Dolores

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

Within 3 km, the terrain around Dolores has only modest variations in elevation — a maximum elevation change of 19 m around an average of 8 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 31 m; within 80 km, only modest variations in elevation — a maximum elevation change of 59 m.

The land around Dolores is covered by grassland (63%) and artificial surfaces (20%) within 3 km, grassland (78%) within 16 km, and grassland (68%) within 80 km.

3 km
19 m
16 km
31 m
80 km
59 m
treesgrasslandcroplandartificial surfaceswaterwetland
December weather nearby: Chascomús 88 km · General Juan Madariaga 90 km · Santa Teresita 91 km · Mar del Tuyú 92 km · General Belgrano 96 km · Mar de Ajó 100 km · Pinamar 114 km · Ayacucho 118 km

Argentina travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / I
220 V · 50 Hz
Prices
≈ 46% of US
price level, 2025
GDP per capita
$14,898
2025
Happiness
6.4 / 10
World Happiness, 2025
Homicide rate
4.5
per 100k, 2023
Road deaths
14.1
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
High
EF EPI 575
Religion
Roman Catholic 63%none 19%Evangelical 15%Jehovah's Witness and Church of Jesus Christ 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 Dolores (-36.3154°, -57.6755°, elevation 9 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).