San Luis del Palmar weather in December

In December, San Luis del Palmar sees average daytime highs of 31°C and overnight lows near 21°C, with 149 mm of rain across 10.1 wet days and about 13.7 hours of daylight. It is the 2nd-warmest and 4th-wettest month of the year here.

Highs climb over the month, from about 30°C in the first days to 32°C by the end. The sky is clear or mostly clear about 46% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 13 h 36 min at the start of December to 13 h 42 min by month's end. Set against the rest of the year, December is San Luis del Palmar's 8th-clearest and 8th-windiest month. For the whole year in context, see San Luis del Palmar's year-round climate.

Daytime high
31°
2nd warmest
Overnight low
21°
10th coldest
Rainfall
149 mm
10.1 wet days
Daylight
13 h 42 min
5:59 AM – 7:42 PM
Cloud cover
49%
8th clearest
Wind
13 km/h
8th windiest
Solar energy
6.86 kWh/m²
Travel score
4.4
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 30°C in the first days to 32°C by the end.

A typical December day in San Luis del Palmar reaches about 31°C in the afternoon and slips back to 21°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 36°C. Set against its neighbours, December runs about 2°C warmer than November and about 1°C cooler than January.

15°20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13020
23020
33020
43120
53120
63120
73120
83121
93121
103121
113121
123121
133121
143121
153121
163221
173221
183221
193222
203222
213222
223222
233222
243222
253222
263222
273222
283222
293222
303222
313222

How December really feels in San Luis del Palmar

Once humidity and wind are folded in, December averages 24 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
24
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.

San Luis del Palmar weather by month

How December compares with the rest of the year at a glance. December is the 2nd-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 22°13310.813.53.9
Feb31° / 22°13010.4134.2
Mar30° / 20°12710.312.25.2
Apr27° / 18°1669.711.46.7
May23° / 14°1088.210.77.2
Jun21° / 13°777.510.36.9
Jul21° / 11°676.810.47.2
Aug23° / 12°686.6117.8
Sep25° / 14°1148.411.87.3
Oct27° / 17°18410.812.76.4
Nov29° / 19°1669.613.45.6
Dec31° / 21°14910.113.74.4

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 46% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 14% of December, with mostly cloudy or overcast conditions the remaining 40%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15941
25941
35941
45941
55941
65941
76040
86040
96040
106040
116139
126139
136139
146139
156139
166139
176139
186139
196139
206139
216139
226139
236040
246040
256040
265941
275941
285941
296040
305941
315941

Chance of precipitation in December

Any precipitation

San Luis del Palmar gets around 149 mm of rain over 10.1 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 33% and peaks near 35% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
132
232
332
432
532
632
731
831
931
1031
1131
1231
1331
1431
1532
1632
1732
1832
1933
2033
2133
2233
2334
2434
2534
2635
2735
2834
2934
3034
3134

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the oppressive band about 32% of days. Sticky, muggy-or-worse air turns up on roughly 66% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
16142330252
26132330252
36132330262
46132330272
56122330271
66122330281
76122330282
86112230282
96112230292
106112230292
116112230292
125102230302
135102231303
14592231303
15592131313
16492131314
17492031314
18482031325
19482031335
20381931336
21381930346
22371830357
23371829368
24271729368
25271728379
26271728379
272717273810
282617273810
292617263811
302617263911
312617253911

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.

051015151015202531
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
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light breeze
3112light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 13 h 36 min at the start of December to 13 h 42 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 5:56 AM to 6:06 AM, and sunset from 7:32 PM to 7:49 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.65:567:32
213.65:567:33
313.65:567:34
413.65:567:35
513.75:567:35
613.75:567:36
713.75:567:37
813.75:567:37
913.75:577:38
1013.75:577:39
1113.75:577:39
1213.75:577:40
1313.75:587:40
1413.75:587:41
1513.75:587:42
1613.75:597:42
1713.75:597:43
1813.75:597:43
1913.76:007:44
2013.76:007:44
2113.76:017:45
2213.76:017:45
2313.76:017:46
2413.76:027:46
2513.76:027:47
2613.76:037:47
2713.76:047:48
2813.76:047:48
2913.76:057:48
3013.76:057:49
3113.76:067:49

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.86 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.62 kWh/m² to a high of 6.86 kWh/m² in December across the year — December's 6.86 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.7Intense
26.7Intense
36.7Intense
46.7Intense
56.8Intense
66.8Intense
76.8Intense
86.8Intense
96.8Intense
106.8Intense
116.9Intense
126.9Intense
136.9Intense
146.9Intense
156.9Intense
166.9Intense
176.9Intense
186.9Intense
196.9Intense
206.9Intense
216.9Intense
226.9Intense
236.9Intense
246.9Intense
256.9Intense
266.9Intense
276.9Intense
286.9Intense
296.9Intense
306.9Intense
316.9Intense
Planning a trip in December

Is December a good time to visit San Luis del Palmar?

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

4.4
Sightseeing
10th-best month of the year
6.7
Beach & pool
4th-best month of the year

December is a reasonable time to visit San Luis del Palmar for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for San Luis del Palmar in December

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

In December, San Luis del Palmar sees daytime highs around 31°C and nights near 21°C. Pack light clothes and sun protection. Worth having: rain gear. About 10 days see rain.

light clothessun protectionrain gear

UV index in San Luis del Palmar 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 San Luis del Palmar peaks around January 22 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighModerateHighExtremeJan 22UV 14Jun 21UV 4
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar12Extreme
Apr8Very high
May5High
Jun4Moderate
Jul4Moderate
Aug5Moderate
Sep8Very high
Oct6High
Nov11Extreme
Dec13Extreme

Air quality in San Luis del Palmar 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 San Luis del Palmar is worst in February — around 17 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (December, 7 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateGoodAug 2316 µg/m³May 117 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb17Moderate
Mar11Good
Apr7Good
May7Good
Jun8Good
Jul10Good
Aug16Moderate
Sep16Moderate
Oct11Good
Nov8Good
Dec7Good
Location & terrain

Where is San Luis del Palmar?

San Luis del Palmar sits at 27.5°S, 58.6°W, 61 m above sea level, in Argentina. The nearest listed city is Corrientes, 28 km away.

Topography around San Luis del Palmar

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of San Luis del Palmar.

Within 3 km, the terrain around San Luis del Palmar has only modest variations in elevation — a maximum elevation change of 22 m around an average of 59 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 47 m; within 80 km, only modest variations in elevation — a maximum elevation change of 66 m.

The land around San Luis del Palmar is covered by grassland (57%) and trees (29%) within 3 km, grassland (45%) and trees (33%) within 16 km, and grassland (43%) and trees (32%) within 80 km.

3 km
22 m
16 km
47 m
80 km
66 m
treesgrasslandcroplandartificial surfaceswaterwetland
December weather nearby: Corrientes 28 km · Barranqueras 38 km · Resistencia 43 km · Fontana 48 km · San Lorenzo 73 km · Pilar 76 km · Saladas 83 km · General José de San Martín 133 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 San Luis del Palmar (-27.5077°, -58.5562°, elevation 61 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).