San Salvador de Jujuy weather in December

In December, San Salvador de Jujuy sees average daytime highs of 24°C and overnight lows near 16°C, with 305 mm of rain across 24.3 wet days and about 13.5 hours of daylight. It is the 2nd-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 24°C through the month. The sky is clear or mostly clear about 9% of the time in December, and the air most often feels humid.

Daylight stretches from about 13 h 24 min at the start of December to 13 h 30 min by month's end. Set against the rest of the year, December is San Salvador de Jujuy's 9th-clearest and 5th-windiest month. For the whole year in context, see San Salvador de Jujuy's year-round climate.

Daytime high
24°
2nd warmest
Overnight low
16°
10th coldest
Rainfall
305 mm
24.3 wet days
Daylight
13 h 30 min
6:33 AM – 8:02 PM
Cloud cover
73%
9th clearest
Wind
4 km/h
5th windiest
Solar energy
5.76 kWh/m²
Travel score
4.6
out of 10

San Salvador de Jujuy is city in Argentina, capital of Jujuy Province.

Density
10,319/km²
people per km²
Founded
1593

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 24°C through the month.

A typical December day in San Salvador de Jujuy reaches about 24°C in the afternoon and slips back to 16°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 28°C. Set against its neighbours, December runs about 1°C warmer than November and on par with January.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12315
22315
32315
42315
52315
62315
72315
82415
92415
102415
112415
122415
132415
142415
152416
162416
172416
182416
192416
202416
212516
222516
232516
242516
252516
262516
272516
282516
292516
302516
312516

San Salvador de Jujuy 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 daysSnow daysDaylight (hours)Travel score
Jan24° / 16°30525.6013.34.4
Feb23° / 16°28823.7012.84.3
Mar22° / 15°31925.7012.24.1
Apr20° / 12°25622.1011.54.4
May17° / 10°16818.80.310.84.4
Jun16° / 7912.70.610.54.8
Jul16° / 6010.81.110.75.1
Aug18° / 6811.30.511.26.1
Sep20° / 12415.60.411.95.7
Oct22° / 12°24522.50.112.64.9
Nov23° / 14°28522.1013.24.8
Dec24° / 16°30524.3013.54.6

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 9% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 18% of December, with mostly cloudy or overcast conditions the remaining 73%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12773
22773
32773
42674
52674
62674
72674
82773
92773
102773
112773
122773
132872
142872
152872
162971
172872
182872
192872
202872
212872
222773
232773
242773
252773
262773
272773
282674
292674
302674
312575

Chance of precipitation in December

Any precipitation

San Salvador de Jujuy gets around 305 mm of rain over 24.3 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 79% and peaks near 81% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
178
279
379
480
580
681
781
881
981
1081
1181
1281
1381
1480
1580
1679
1779
1878
1977
2077
2176
2276
2376
2476
2576
2676
2776
2877
2977
3077
3178

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 51% of days. Sticky, muggy-or-worse air turns up on roughly 5% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
11744372
21644382
31544392
41443403
51442413
61342423
71341443
81240453
91239463
101138474
111137484
121037494
13936505
14935515
15934525
16833536
17832546
18831556
19830557
20829567
21829567
22828577
23727597
24727588
25627598
26626608
27626608
28526618
29426628
30426619
31326629

Wind in December

Winds average 4 km/h in December.

Across December, daily wind ranges from about 4 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 13 h 24 min at the start of December to 13 h 30 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 6:29 AM to 6:40 AM, and sunset from 7:53 PM to 8:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.46:297:53
213.46:297:53
313.46:297:54
413.46:307:55
513.46:307:55
613.46:307:56
713.46:307:57
813.46:307:57
913.56:317:58
1013.56:317:58
1113.56:317:59
1213.56:318:00
1313.56:328:00
1413.56:328:01
1513.56:328:01
1613.56:338:02
1713.56:338:03
1813.56:338:03
1913.56:348:04
2013.56:348:04
2113.56:358:05
2213.56:358:05
2313.56:368:06
2413.56:368:06
2513.56:378:06
2613.56:378:07
2713.56:388:07
2813.56:388:08
2913.56:398:08
3013.56:398:08
3113.56:408:09

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.76 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 3.07 kWh/m² to a high of 5.76 kWh/m² in December across the year — December's 5.76 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.6Bright
45.6Bright
55.5Bright
65.6Bright
75.6Bright
85.6Bright
95.6Bright
105.6Bright
115.6Bright
125.6Bright
135.7Bright
145.7Bright
155.7Bright
165.7Bright
175.8Bright
185.8Bright
195.8Bright
205.8Bright
215.8Bright
225.9Bright
235.9Bright
245.9Bright
255.9Bright
265.9Bright
275.9Bright
285.9Bright
295.9Bright
305.9Bright
315.9Bright
Planning a trip in December

Is December a good time to visit San Salvador de Jujuy?

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

4.6
Sightseeing
7th-best month of the year
3.9
Beach & pool
1st-best month of the year

December is a reasonable time to visit San Salvador de Jujuy for sightseeing.

What to pack for San Salvador de Jujuy in December

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

In December, San Salvador de Jujuy sees daytime highs around 24°C and nights near 16°C. Pack rain gear. Worth having: light clothes and sun protection. About 24 days see rain.

rain gearlight clothessun protection

UV index in San Salvador de Jujuy in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 16 (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 Salvador de Jujuy peaks around January 15 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 15UV 16Jul 11UV 6
UV index (midday)Level
Jan16Extreme
Feb15Extreme
Mar14Extreme
Apr9Very high
May7Very high
Jun6High
Jul6High
Aug8Very high
Sep10Extreme
Oct12Extreme
Nov14Extreme
Dec16Extreme
Location & terrain

Where is San Salvador de Jujuy?

San Salvador de Jujuy sits at 24.2°S, 65.3°W, 1,217 m above sea level, in Argentina. The nearest listed city is Palpalá, 11 km away.

Topography around San Salvador de Jujuy

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

Within 3 km, the terrain around San Salvador de Jujuy has significant variations in elevation — a maximum elevation change of 343 m around an average of 1,283 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,112 m; within 80 km, extreme variations in elevation — a maximum elevation change of 5,484 m.

The land around San Salvador de Jujuy is covered by artificial surfaces (55%) and trees (34%) within 3 km, trees (75%) within 16 km, and trees (45%), bare terrain (22%) and grassland (20%) within 80 km.

3 km
343 m
16 km
1,112 m
80 km
5,484 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
December weather nearby: Palpalá 11 km · San Pedro de Jujuy 44 km · General Güemes 59 km · San Lorenzo 64 km · Libertador General San Martín 66 km · Salta 69 km · San José de los Cerrillos 81 km · Rosario de Lerma 93 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 Salvador de Jujuy (-24.1928°, -65.2934°, elevation 1,217 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).