Apóstoles weather in December

In December, Apóstoles sees average daytime highs of 31°C and overnight lows near 20°C, with 167 mm of rain across 12.4 wet days and about 13.7 hours of daylight. It is the 2nd-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 42% of the time in December, and the air most often feels muggy.

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 Apóstoles's 7th-clearest and 8th-windiest month. For the whole year in context, see Apóstoles's year-round climate.

Daytime high
31°
2nd warmest
Overnight low
20°
10th coldest
Rainfall
167 mm
12.4 wet days
Daylight
13 h 48 min
5:46 AM – 7:32 PM
Cloud cover
52%
7th clearest
Wind
10 km/h
8th windiest
Solar energy
6.74 kWh/m²
Travel score
4.4
out of 10

Apóstoles is city in Misiones, Argentina.

Founded
1652

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

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical December day in Apóstoles reaches about 31°C in the afternoon and slips back to 20°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 35°C. Set against its neighbours, December runs about 2°C warmer than November and on par with January.

15°20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13019
23019
33019
43019
53019
63019
73120
83120
93120
103120
113120
123120
133120
143120
153120
163120
173120
183120
193120
203120
213121
223121
233121
243121
253121
263221
273221
283221
293221
303221
313221

How December really feels in Apóstoles

Once humidity and wind are folded in, December averages 19 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
19
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.

Apóstoles weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 21°16013.413.63.9
Feb31° / 21°14812.7134.2
Mar30° / 20°13511.612.25.1
Apr27° / 17°1671011.46.6
May23° / 14°1339.310.66.9
Jun21° / 12°1199.210.36.5
Jul20° / 11°1289.210.46.7
Aug23° / 12°968.3117.3
Sep24° / 14°15910.211.87.1
Oct27° / 16°21912.512.76.2
Nov29° / 18°16610.313.45.6
Dec31° / 20°16712.413.74.4

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 42% 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 44%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15743
25743
35743
45743
55644
65644
75743
85743
95743
105743
115743
125743
135743
145743
155644
165644
175644
185644
195644
205644
215644
225644
235644
245545
255545
265545
275545
285545
295545
305545
315644

Chance of precipitation in December

Any precipitation

Apóstoles gets around 167 mm of rain over 12.4 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 40% and peaks near 44% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
135
236
336
436
536
636
736
836
937
1037
1137
1237
1337
1438
1539
1639
1740
1840
1941
2041
2142
2242
2343
2443
2544
2644
2744
2844
2944
3044
3143

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the muggy band about 32% of days. Sticky, muggy-or-worse air turns up on roughly 63% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
17152633180
27152633190
37142633190
47142633200
57132633200
67132633210
77122533220
87122534220
97112534230
107112434230
116112434240
126112434250
136112334261
145112334261
155102235271
165102235281
175102135291
18492135301
19492034312
20492034322
21392033332
22382033342
23382032353
24282031363
25282030373
26282029374
27272029384
28272028395
29272027395
30172026405
31172026406

Wind in December

Winds average 10 km/h in December.

Across December, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

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 5:44 AM to 5:54 AM, and sunset from 7:22 PM to 7:39 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.65:447:22
213.75:447:23
313.75:447:23
413.75:447:24
513.75:447:25
613.75:447:26
713.75:447:26
813.75:447:27
913.75:447:28
1013.75:457:28
1113.75:457:29
1213.75:457:30
1313.75:457:30
1413.85:467:31
1513.85:467:31
1613.85:467:32
1713.85:477:33
1813.85:477:33
1913.85:487:34
2013.85:487:34
2113.85:487:35
2213.85:497:35
2313.85:497:36
2413.85:507:36
2513.85:507:36
2613.85:517:37
2713.85:517:37
2813.85:527:38
2913.85:537:38
3013.85:537:38
3113.75:547:39

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.74 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.58 kWh/m² to a high of 6.74 kWh/m² in December across the year — December's 6.74 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.7Intense
26.7Intense
36.7Intense
46.7Intense
56.7Intense
66.7Intense
76.7Intense
86.7Intense
96.8Intense
106.8Intense
116.8Intense
126.8Intense
136.8Intense
146.8Intense
156.8Intense
166.8Intense
176.8Intense
186.8Intense
196.8Intense
206.8Intense
216.7Intense
226.7Intense
236.7Intense
246.7Intense
256.7Intense
266.7Intense
276.7Intense
286.7Intense
296.7Intense
306.7Intense
316.7Intense
Planning a trip in December

Is December a good time to visit Apóstoles?

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
6.4
Beach & pool
4th-best month of the year

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

What to pack for Apóstoles in December

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

In December, Apóstoles sees daytime highs around 31°C and nights near 20°C. Pack light clothes and sun protection. Worth having: rain gear. About 12 days see rain.

light clothessun protectionrain gear

UV index in Apóstoles 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 Apóstoles peaks around January 20 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateVery highExtremeJan 20UV 14Jun 20UV 4
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar11Extreme
Apr8Very high
May5High
Jun4Moderate
Jul4Moderate
Aug5Moderate
Sep8Very high
Oct7High
Nov11Extreme
Dec12Extreme

Air quality in Apóstoles 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 Apóstoles is worst in September — around 17 µg/m³ PM2.5 (moderate), about 2.7× the cleanest month (March, 7 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1317 µg/m³Mar 157 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb7Good
Mar7Good
Apr7Good
May7Good
Jun8Good
Jul9Good
Aug14Moderate
Sep17Moderate
Oct11Good
Nov8Good
Dec7Good
Location & terrain

Where is Apóstoles?

Apóstoles sits at 27.9°S, 55.8°W, 179 m above sea level, in Argentina. The nearest listed city is Gobernador Virasora, 31 km away.

Topography around Apóstoles

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

Within 3 km, the terrain around Apóstoles has only modest variations in elevation — a maximum elevation change of 91 m around an average of 143 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 212 m; within 80 km, significant variations in elevation — a maximum elevation change of 339 m.

The land around Apóstoles is covered by trees (44%) and grassland (37%) within 3 km, grassland (55%) and trees (41%) within 16 km, and trees (38%) and grassland (33%) within 80 km.

3 km
91 m
16 km
212 m
80 km
339 m
treesgrasslandcroplandartificial surfaceswaterwetland
December weather nearby: Gobernador Virasora 31 km · Garupá 49 km · Leandro N. Alem 55 km · Posadas 60 km · Encarnación 66 km · Santo Tomé 76 km · Oberá 78 km · São Borja 87 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 Apóstoles (-27.9142°, -55.7535°, elevation 179 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).