San Miguel de Tucuman weather in December

In December, San Miguel de Tucuman sees average daytime highs of 28°C and overnight lows near 18°C, with 249 mm of rain across 18 wet days and about 13.7 hours of daylight. It is the 1st-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 19% of the time in December, and the air most often feels humid.

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 Miguel de Tucuman's 9th-clearest and 5th-windiest month. For the whole year in context, see San Miguel de Tucuman's year-round climate.

Daytime high
28°
1st warmest
Overnight low
18°
10th coldest
Rainfall
249 mm
18 wet days
Daylight
13 h 42 min
6:27 AM – 8:07 PM
Cloud cover
64%
9th clearest
Wind
5 km/h
5th windiest
Solar energy
6.1 kWh/m²
Travel score
5.0
out of 10

San Miguel de Tucuman is capital of the Tucumán Province, located in northern Argentina.

Density
6,076/km²
people per km²
Founded
1565

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 28°C through the month.

A typical December day in San Miguel de Tucuman reaches about 28°C in the afternoon and slips back to 18°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 33°C. Set against its neighbours, December runs about 1°C warmer than November and on par with January.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12717
22717
32717
42717
52717
62717
72717
82717
92718
102718
112718
122818
132818
142818
152818
162818
172818
182818
192818
202818
212818
222818
232819
242819
252819
262819
272819
282819
292819
302819
312819

San Miguel de Tucuman weather by month

How December compares with the rest of the year at a glance. December is the 1st-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 19°32319.813.54.8
Feb27° / 18°26518.212.95.0
Mar25° / 17°27019.812.25.2
Apr22° / 14°18915.511.45.8
May19° / 11°13313.510.75.8
Jun17° / 749.810.35.8
Jul18° / 507.610.56.4
Aug21° / 466.811.17.4
Sep23° / 11°818.711.87.4
Oct25° / 14°16914.512.66.3
Nov27° / 16°20615.613.35.7
Dec28° / 18°2491813.75.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 19% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 24% of December, with mostly cloudy or overcast conditions the remaining 57%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14456
24357
34456
44456
54357
64357
74357
84357
94357
104357
114357
124555
134555
144555
154654
164654
174654
184555
194555
204555
214555
224456
234456
244357
254258
264159
274060
284060
293961
303961
313862

Chance of precipitation in December

Any precipitation

San Miguel de Tucuman gets around 249 mm of rain over 18 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 58% and peaks near 61% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
158
259
359
460
560
660
760
860
960
1060
1160
1259
1359
1458
1558
1657
1757
1856
1956
2056
2156
2256
2357
2457
2557
2658
2758
2859
2960
3060
3161

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the humid band about 39% of days. Sticky, muggy-or-worse air turns up on roughly 40% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1102347201
292347211
392247211
492147221
582146231
682046241
782045251
882045271
981944281
1081843291
1171843302
1271742312
1371742332
1471641342
1571540352
1671540363
1771439373
1871438393
1961337404
2061336414
2161235434
2261134445
2361133455
2451033475
2551032486
265931496
274931506
284830526
294830517
303730537
313729547

Wind in December

Winds average 5 km/h in December.

Across December, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

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 6:24 AM to 6:34 AM, and sunset from 7:58 PM to 8:14 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.66:247:58
213.66:247:58
313.66:247:59
413.66:248:00
513.66:248:00
613.66:248:01
713.66:248:02
813.66:248:02
913.66:258:03
1013.66:258:04
1113.76:258:04
1213.76:258:05
1313.76:268:06
1413.76:268:06
1513.76:268:07
1613.76:278:07
1713.76:278:08
1813.76:278:08
1913.76:288:09
2013.76:288:09
2113.76:298:10
2213.76:298:10
2313.76:308:11
2413.76:308:11
2513.76:318:12
2613.76:318:12
2713.76:328:13
2813.76:328:13
2913.76:338:13
3013.76:338:14
3113.76:348:14

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.1 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 3.06 kWh/m² to a high of 6.1 kWh/m² in December across the year — December's 6.1 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
35.9Bright
45.9Bright
55.9Bright
65.9Bright
75.9Bright
85.9Bright
96.0Bright
106.0Bright
116.0Intense
126.0Intense
136.0Intense
146.1Intense
156.1Intense
166.1Intense
176.1Intense
186.2Intense
196.2Intense
206.2Intense
216.2Intense
226.2Intense
236.2Intense
246.2Intense
256.2Intense
266.2Intense
276.2Intense
286.2Intense
296.2Intense
306.1Intense
316.1Intense
Planning a trip in December

Hazard calendar for San Miguel de Tucuman

In seasonPeak

In December, San Miguel de Tucuman sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

San Miguel de Tucuman's rainy season runs October–April, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is December a good time to visit San Miguel de Tucuman?

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

5.0
Sightseeing
10th-best month of the year
5.5
Beach & pool
4th-best month of the year

December is a reasonable time to visit San Miguel de Tucuman for sightseeing.

What to pack for San Miguel de Tucuman in December

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

In December, San Miguel de Tucuman sees daytime highs around 28°C and nights near 18°C. Pack light clothes, rain gear and sun protection. About 18 days see rain.

light clothesrain gearsun protection

UV index in San Miguel de Tucuman 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 Miguel de Tucuman peaks around January 16 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighModerateHighVery highExtremeJan 16UV 14Jul 10UV 4
UV index (midday)Level
Jan15Extreme
Feb13Extreme
Mar12Extreme
Apr7Very high
May6High
Jun4Moderate
Jul4Moderate
Aug6High
Sep8Very high
Oct12Extreme
Nov13Extreme
Dec13Extreme

Air quality in San Miguel de Tucuman 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 de Tucuman is worst in August — around 37 µg/m³ PM2.5 (poor), about 3.8× the cleanest month (May, 10 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModeratePoorModerateGoodAug 2437 µg/m³May 1010 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb12Moderate
Mar11Good
Apr10Good
May10Good
Jun12Good
Jul22Moderate
Aug37Poor
Sep36Poor
Oct22Moderate
Nov13Moderate
Dec11Good
Location & terrain

Where is San Miguel de Tucuman?

San Miguel de Tucuman sits at 26.8°S, 65.2°W, 440 m above sea level, in Argentina. The nearest listed city is Alderetes, 7.0 km away.

Topography around San Miguel de Tucuman

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

Within 3 km, the terrain around San Miguel de Tucuman has only modest variations in elevation — a maximum elevation change of 67 m around an average of 450 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,103 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,714 m.

The land around San Miguel de Tucuman is covered by artificial surfaces (85%) within 3 km, trees (35%) and cropland (34%) within 16 km, and cropland (39%) and trees (38%) within 80 km.

3 km
67 m
16 km
1,103 m
80 km
4,714 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
December weather nearby: Alderetes 7.0 km · Yerba Buena 8.0 km · Tafí Viejo 10 km · Bella Vista 26 km · Famaillá 33 km · Monteros 48 km · Aguilares 79 km · Termas de Río Hondo 83 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 de Tucuman (-26.816°, -65.2105°, elevation 440 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).