San Miguel del Monte weather in December

In December, San Miguel del Monte sees average daytime highs of 28°C and overnight lows near 16°C, with 85 mm of rain across 8.8 wet days and about 14.3 hours of daylight. It is the 3rd-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 26°C in the first days to 29°C by the end. The sky is clear or mostly clear about 50% 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 San Miguel del Monte's 2nd-clearest and 5th-windiest month. For the whole year in context, see San Miguel del Monte's year-round climate.

Daytime high
28°
3rd warmest
Overnight low
16°
10th coldest
Rainfall
85 mm
8.8 wet days
Daylight
14 h 24 min
5:40 AM – 8:03 PM
Cloud cover
43%
2nd clearest
Wind
13 km/h
5th windiest
Solar energy
7.43 kWh/m²
Travel score
6.6
out of 10

San Miguel del Monte is human settlement in Argentina.

Founded
1864

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 26°C in the first days to 29°C by the end.

A typical December day in San Miguel del Monte 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 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)
12614
22614
32614
42614
52715
62715
72715
82715
92715
102715
112715
122715
132715
142815
152816
162816
172816
182816
192816
202816
212816
222816
232817
242817
252917
262917
272917
282917
292917
302917
312917

San Miguel del Monte 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
Jan29° / 17°898.114.16.0
Feb28° / 17°878.213.36.7
Mar26° / 15°837.812.37.3
Apr22° / 12°947.811.17.1
May18° / 59610.26.3
Jun15° / 595.69.74.9
Jul14° / 535.99.94.5
Aug16° / 595.810.75.7
Sep18° / 72711.86.3
Oct21° / 11°1029.312.96.7
Nov25° / 13°898.713.97.2
Dec28° / 16°858.814.36.6

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 50% 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 36%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16238
26238
36238
46238
56238
66337
76337
86337
96337
106337
116436
126436
136436
146436
156436
166535
176535
186535
196535
206535
216535
226634
236634
246535
256436
266535
276436
286436
296436
306337
316337

Chance of precipitation in December

Any precipitation

San Miguel del Monte gets around 85 mm of rain over 8.8 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 30% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
126
226
326
426
526
626
726
827
927
1027
1127
1228
1328
1428
1529
1629
1729
1830
1930
2030
2130
2230
2330
2430
2530
2630
2730
2830
2930
3030
3129

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 35% of days. Sticky, muggy-or-worse air turns up on roughly 13% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
147262340
247262340
347252350
446252350
546252350
645252450
744262460
843262460
943262460
1042272470
1141272571
1240282571
1339282571
1438282581
1536282691
1635282691
17342826101
18332827111
19312827121
20302828131
21292728142
22282629162
23272629172
24262530182
25252430192
26242330202
27232331213
28222231223
29222231223
30212231233
31212231243

Wind in December

Winds average 13 km/h in December.

Across December, daily wind ranges from about 13 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
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
2913light breeze
3013light breeze
3113light 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 5:38 AM to 5:47 AM, and sunset from 7:52 PM to 8:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.25:387:52
214.25:387:52
314.35:387:53
414.35:387:54
514.35:387:55
614.35:387:56
714.35:387:57
814.35:387:57
914.35:387:58
1014.35:397:59
1114.35:398:00
1214.45:398:00
1314.45:398:01
1414.45:398:02
1514.45:408:02
1614.45:408:03
1714.45:408:03
1814.45:418:04
1914.45:418:05
2014.45:418:05
2114.45:428:06
2214.45:428:06
2314.45:438:07
2414.45:438:07
2514.45:448:07
2614.45:448:08
2714.45:458:08
2814.45:468:08
2914.45:468:09
3014.45:478:09
3114.45:478:09

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 7.43 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.17 kWh/m² to a high of 7.43 kWh/m² in December across the year — December's 7.43 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.3Intense
27.3Intense
37.3Intense
47.3Intense
57.3Intense
67.4Intense
77.4Intense
87.4Intense
97.4Intense
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
317.4Intense
Planning a trip in December

Is December a good time to visit San Miguel del Monte?

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

6.6
Sightseeing
6th-best month of the year
7.2
Beach & pool
2nd-best month of the year

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

What to pack for San Miguel del Monte in December

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

In December, San Miguel del Monte 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 San Miguel del Monte 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 San Miguel del Monte 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
Jan13Extreme
Feb11Extreme
Mar10Very high
Apr6High
May3Moderate
Jun2Moderate
Jul3Moderate
Aug4Moderate
Sep6High
Oct8Very high
Nov11Extreme
Dec12Extreme

Air quality in San Miguel del Monte 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 Miguel del Monte is worst in August — around 17 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (December, 9 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodAug 1316 µg/m³Dec 129 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb10Good
Mar11Good
Apr12Good
May14Moderate
Jun15Moderate
Jul16Moderate
Aug17Moderate
Sep14Moderate
Oct11Good
Nov10Good
Dec9Good
Location & terrain

Where is San Miguel del Monte?

San Miguel del Monte sits at 35.4°S, 58.8°W, 25 m above sea level, in Argentina. The nearest listed city is Lobos, 39 km away.

Topography around San Miguel del Monte

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

Within 3 km, the terrain around San Miguel del Monte has only modest variations in elevation — a maximum elevation change of 20 m around an average of 21 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 45 m; within 80 km, only modest variations in elevation — a maximum elevation change of 70 m.

The land around San Miguel del Monte is covered by grassland (40%) within 3 km, cropland (56%) and grassland (36%) within 16 km, and grassland (48%) and cropland (47%) within 80 km.

3 km
20 m
16 km
45 m
80 km
70 m
treesgrasslandcroplandartificial surfaceswaterwetland
December weather nearby: Lobos 39 km · Cañuelas 43 km · General Belgrano 46 km · San Vicente 58 km · Coronel Brandsen 60 km · Navarro 64 km · Tristán Suárez 65 km · La Unión 67 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 Miguel del Monte (-35.4392°, -58.8074°, elevation 25 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).