San Jorge weather in December

In December, San Jorge sees average daytime highs of 29°C and overnight lows near 18°C, with 126 mm of rain across 9 wet days and about 14 hours of daylight. It is the 2nd-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 49% of the time in December, and the air most often feels humid.

Daylight stretches from about 13 h 54 min at the start of December to 14 h 06 min by month's end. Set against the rest of the year, December is San Jorge's 4th-clearest and 6th-windiest month. For the whole year in context, see San Jorge's year-round climate.

Daytime high
29°
2nd warmest
Overnight low
18°
10th coldest
Rainfall
126 mm
9 wet days
Daylight
14 h 06 min
6:01 AM – 8:06 PM
Cloud cover
44%
4th clearest
Wind
12 km/h
6th windiest
Solar energy
7.24 kWh/m²
Travel score
5.7
out of 10

San Jorge is city in Argentina.

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 29°C through the month.

A typical December day in San Jorge reaches about 29°C in the afternoon and slips back to 18°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 34°C. Set against its neighbours, December runs about 2°C warmer than November and on par with January.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12817
22817
32817
42917
52917
62917
72917
82917
92917
102917
112917
122918
132918
142918
152918
162918
172918
182918
192918
202918
213018
223018
233019
243019
253019
263019
273019
283019
293019
303019
313019

San Jorge 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
Jan30° / 19°1209.113.85.4
Feb29° / 18°1179.313.25.9
Mar27° / 17°1448.812.26.9
Apr24° / 14°1048.411.27.4
May20° / 10°545.910.47.0
Jun17° / 304.1106.4
Jul17° / 223.910.16.4
Aug19° / 444.310.87.4
Sep22° / 10°525.511.87.6
Oct25° / 13°1149.512.87.2
Nov27° / 16°1168.313.66.8
Dec29° / 18°1269145.7

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 49% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 15% of December, with mostly cloudy or overcast conditions the remaining 36%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16337
26337
36436
46436
56535
66535
76535
86634
96634
106634
116634
126634
136634
146634
156634
166535
176535
186436
196436
206436
216436
226337
236337
246337
256238
266337
276337
286337
296337
306337
316238

Chance of precipitation in December

Any precipitation

San Jorge gets around 126 mm of rain over 9 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 30% and peaks near 31% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
128
228
328
428
528
628
728
829
929
1029
1130
1230
1331
1431
1531
1631
1731
1831
1931
2031
2131
2231
2331
2430
2530
2630
2730
2830
2930
3030
3130

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 29% of days. Sticky, muggy-or-worse air turns up on roughly 30% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
13127261320
23127271420
33027271420
42926281420
52826281430
62826291430
72725301530
82625301540
92525311540
102425311640
112224321650
122124321750
132024331760
141924331860
151824331960
161723332070
171623332170
181522322280
191422322490
2013213125101
2112213026111
2212202927121
2311202828131
2410202729131
2510192629141
2610192630151
279182530161
289182530171
299182431171
308172431181
318172431191

Wind in December

Winds average 12 km/h in December.

Across December, daily wind ranges from about 11 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
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312calm
2412calm
2512calm
2612calm
2712calm
2812calm
2912calm
3012calm
3111calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 13 h 54 min at the start of December to 14 h 06 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 5:59 AM to 6:09 AM, and sunset from 7:55 PM to 8:12 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.95:597:55
213.95:597:56
314.05:597:57
414.05:597:58
514.05:597:58
614.05:597:59
714.05:598:00
814.05:598:01
914.06:008:01
1014.06:008:02
1114.06:008:03
1214.16:008:03
1314.16:008:04
1414.16:018:05
1514.16:018:05
1614.16:018:06
1714.16:028:06
1814.16:028:07
1914.16:028:08
2014.16:038:08
2114.16:038:09
2214.16:048:09
2314.16:048:09
2414.16:058:10
2514.16:058:10
2614.16:068:11
2714.16:068:11
2814.16:078:11
2914.16:088:12
3014.16:088:12
3114.16:098:12

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 7.24 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.49 kWh/m² to a high of 7.24 kWh/m² in December across the year — December's 7.24 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.1Intense
27.1Intense
37.2Intense
47.2Intense
57.2Intense
67.2Intense
77.2Intense
87.2Intense
97.3Intense
107.3Intense
117.3Intense
127.3Intense
137.3Intense
147.3Intense
157.2Intense
167.2Intense
177.2Intense
187.2Intense
197.2Intense
207.2Intense
217.2Intense
227.2Intense
237.2Intense
247.2Intense
257.2Intense
267.2Intense
277.2Intense
287.2Intense
297.2Intense
307.2Intense
317.2Intense
Planning a trip in December

Is December a good time to visit San Jorge?

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

5.7
Sightseeing
11th-best month of the year
7.3
Beach & pool
1st-best month of the year

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

What to pack for San Jorge in December

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

In December, San Jorge sees daytime highs around 29°C and nights near 18°C. Pack light clothes and sun protection. Worth having: rain gear. About 9 days see rain.

light clothessun protectionrain gear

UV index in San Jorge 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 Jorge peaks around January 17 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 3 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeModerateHighVery highExtremeJan 17UV 14Jun 21UV 3
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar11Extreme
Apr7High
May4Moderate
Jun3Moderate
Jul3Moderate
Aug5Moderate
Sep7High
Oct9Very high
Nov11Extreme
Dec13Extreme
Location & terrain

Where is San Jorge?

San Jorge sits at 31.9°S, 61.9°W, 109 m above sea level, in Argentina. The nearest listed city is San Francisco, 57 km away.

Topography around San Jorge

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

Within 3 km, the terrain around San Jorge has only modest variations in elevation — a maximum elevation change of 20 m around an average of 103 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 53 m; within 80 km, only modest variations in elevation — a maximum elevation change of 118 m.

The land around San Jorge is covered by cropland (70%) within 3 km, cropland (95%) within 16 km, and cropland (89%) within 80 km.

3 km
20 m
16 km
53 m
80 km
118 m
treesgrasslandcroplandartificial surfaces
December weather nearby: San Francisco 57 km · Gálvez 62 km · Rafaela 80 km · Las Varillas 81 km · Coronda 89 km · Marcos Juárez 92 km · Esperanza 101 km · Santo Tomé 107 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 Jorge (-31.8971°, -61.8599°, elevation 109 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).