Veinticinco de Mayo weather in December

In December, Veinticinco de Mayo sees average daytime highs of 28°C and overnight lows near 16°C, with 94 mm of rain across 8.7 wet days and about 14.3 hours of daylight. It is the 2nd-warmest and 7th-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 53% of the time in December, and the air most often feels dry.

Daylight stretches from about 14 h 12 min at the start of December to 14 h 24 min by month's end. Set against the rest of the year, December is Veinticinco de Mayo's 2nd-clearest and 5th-windiest month. For the whole year in context, see Veinticinco de Mayo's year-round climate.

Daytime high
28°
2nd warmest
Overnight low
16°
10th coldest
Rainfall
94 mm
8.7 wet days
Daylight
14 h 24 min
5:45 AM – 8:08 PM
Cloud cover
42%
2nd clearest
Wind
13 km/h
5th windiest
Solar energy
7.49 kWh/m²
Travel score
6.5
out of 10

Veinticinco de Mayo is town in the centre of Buenos Aires Province in Argentina.

Founded
1836

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 Veinticinco de Mayo 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 1°C cooler than January.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12714
22714
32714
42714
52714
62715
72715
82715
92715
102715
112815
122815
132815
142815
152815
162816
172816
182816
192816
202816
212916
222916
232916
242916
252917
262917
272917
282917
292917
302917
312917

Veinticinco de Mayo weather by month

How December compares with the rest of the year at a glance. December is the 2nd-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 17°1058.814.16.0
Feb28° / 16°99813.36.8
Mar26° / 15°1008.112.37.3
Apr22° / 11°1018.211.17.1
May18° / 546.110.26.3
Jun15° / 455.49.74.9
Jul14° / 415.39.94.6
Aug17° / 464.610.76.0
Sep19° / 686.911.86.5
Oct22° / 11°1059.712.96.7
Nov25° / 13°1038.613.97.2
Dec28° / 16°948.714.36.5

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 (%)
16238
26238
36238
46337
56337
66337
76436
86436
96436
106436
116535
126535
136535
146634
156634
166832
176832
186832
196832
206832
216931
226832
236931
246931
256931
266931
276931
286733
296733
306733
316733

Chance of precipitation in December

Any precipitation

Veinticinco de Mayo gets around 94 mm of rain over 8.7 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 28% and peaks near 29% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
128
228
328
428
528
628
728
828
928
1028
1128
1228
1328
1428
1528
1629
1729
1829
1928
2028
2128
2228
2328
2428
2528
2628
2728
2828
2928
3028
3128

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 37% 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 (%)
152271830
252271830
352261840
452261840
551261940
651261940
749262051
848262151
947262151
1046262251
1145272251
1244272361
1342282361
1441282471
1539282471
1638292581
1736292591
18342926101
19332926111
20312927121
21302927131
22282927142
23272927152
24262827172
25252827182
26242728193
27232728203
28232628203
29222628213
30222528223
31212528233

Wind in December

Winds average 13 km/h in December.

Across December, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light 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
2912light breeze
3012light breeze
3112light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 14 h 12 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 12 minutes over December. Sunrise moves from 5:44 AM to 5:53 AM, and sunset from 7:57 PM to 8:15 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.25:447:57
214.25:447:58
314.35:447:59
414.35:448:00
514.35:448:00
614.35:448:01
714.35:448:02
814.35:448:03
914.35:448:04
1014.35:448:04
1114.35:448:05
1214.45:448:06
1314.45:458:06
1414.45:458:07
1514.45:458:08
1614.45:458:08
1714.45:468:09
1814.45:468:09
1914.45:468:10
2014.45:478:11
2114.45:478:11
2214.45:488:12
2314.45:488:12
2414.45:498:12
2514.45:498:13
2614.45:508:13
2714.45:508:14
2814.45:518:14
2914.45:528:14
3014.45:528:14
3114.45:538:15

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 7.49 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.21 kWh/m² to a high of 7.49 kWh/m² in December across the year — December's 7.49 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.3Intense
27.3Intense
37.4Intense
47.4Intense
57.4Intense
67.4Intense
77.4Intense
87.4Intense
97.5Intense
107.5Intense
117.5Intense
127.5Intense
137.5Intense
147.5Intense
157.5Intense
167.5Intense
177.5Intense
187.5Intense
197.5Intense
207.5Intense
217.5Intense
227.5Intense
237.5Intense
247.5Intense
257.5Intense
267.5Intense
277.4Intense
287.4Intense
297.4Intense
307.4Intense
317.4Intense
Planning a trip in December

Is December a good time to visit Veinticinco de Mayo?

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

6.5
Sightseeing
6th-best month of the year
7.3
Beach & pool
2nd-best month of the year

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

What to pack for Veinticinco de Mayo in December

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

In December, Veinticinco de Mayo sees daytime highs around 28°C and nights near 16°C. Pack light clothes and sun protection. Worth having: rain gear. About 9 days see rain.

light clothessun protectionrain gear

UV index in Veinticinco de Mayo 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 Veinticinco de Mayo peaks around January 14 at about 13 (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 14UV 13Jun 20UV 2
UV index (midday)Level
Jan13Extreme
Feb11Extreme
Mar9Very high
Apr6High
May3Moderate
Jun2Moderate
Jul3Moderate
Aug4Moderate
Sep5High
Oct8Very high
Nov11Extreme
Dec12Extreme
Location & terrain

Where is Veinticinco de Mayo?

Veinticinco de Mayo sits at 35.4°S, 60.2°W, 59 m above sea level, in Argentina. The nearest listed city is Saladillo, 42 km away.

Topography around Veinticinco de Mayo

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

Within 3 km, the terrain around Veinticinco de Mayo has only modest variations in elevation — a maximum elevation change of 13 m around an average of 51 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 80 m.

The land around Veinticinco de Mayo is covered by cropland (40%) and grassland (30%) within 3 km, cropland (73%) and grassland (23%) within 16 km, and cropland (73%) and grassland (25%) within 80 km.

3 km
13 m
16 km
38 m
80 km
80 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Saladillo 42 km · Bragado 46 km · Chivilcoy 61 km · Nueve de Julio 65 km · Chacabuco 92 km · Los Toldos 92 km · Navarro 94 km · Lobos 101 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 Veinticinco de Mayo (-35.4325°, -60.1716°, elevation 59 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).