San José de Metán weather in December

In December, San José de Metán sees average daytime highs of 27°C and overnight lows near 17°C, with 202 mm of rain across 19.5 wet days and about 13.6 hours of daylight. It is the 1st-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 15% of the time in December, and the air most often feels humid.

Daylight stretches from about 13 h 30 min at the start of December to 13 h 36 min by month's end. Set against the rest of the year, December is San José de Metán's 9th-clearest and 5th-windiest month. For the whole year in context, see San José de Metán's year-round climate.

Daytime high
27°
1st warmest
Overnight low
17°
11th coldest
Rainfall
202 mm
19.5 wet days
Daylight
13 h 36 min
6:29 AM – 8:03 PM
Cloud cover
68%
9th clearest
Wind
6 km/h
5th windiest
Solar energy
5.82 kWh/m²
Travel score
5.0
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 27°C through the month.

A typical December day in San José de Metán reaches about 27°C in the afternoon and slips back to 17°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 32°C. Set against its neighbours, December runs on par with November and on par with January.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12616
22616
32616
42616
52616
62616
72616
82716
92716
102716
112716
122716
132716
142716
152717
162717
172717
182717
192717
202717
212717
222717
232717
242717
252817
262817
272817
282717
292717
302717
312717

San José de Metán weather by month

How December compares with the rest of the year at a glance. December is the 1st-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 17°25321.713.44.7
Feb25° / 17°20519.712.94.9
Mar24° / 16°16919.512.25.3
Apr22° / 13°831311.46.0
May19° / 368.310.86.4
Jun18° / 164.810.46.9
Jul18° / 113.410.67.3
Aug21° / 133.111.18.1
Sep24° / 204.411.88.1
Oct26° / 13°6611.312.66.6
Nov26° / 15°10815.413.25.7
Dec27° / 17°20219.513.65.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 15% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 22% of December, with mostly cloudy or overcast conditions the remaining 63%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13763
23763
33664
43565
53565
63565
73565
83664
93664
103664
113664
123763
133862
143862
153862
163862
173961
183961
193862
203862
213862
223862
233961
243862
253862
263862
273763
283763
293763
303664
313664

Chance of precipitation in December

Any precipitation

San José de Metán gets around 202 mm of rain over 19.5 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 63% and peaks near 68% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
160
261
362
462
563
663
763
863
963
1063
1163
1263
1362
1462
1561
1661
1761
1861
1961
2061
2161
2262
2362
2463
2564
2665
2766
2866
2967
3068
3168

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 44% of days. Sticky, muggy-or-worse air turns up on roughly 17% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
12334375
22234385
32133396
42133406
52032417
62031427
71930438
81929449
91828459
1018274510
1117264611
1216264612
1316254613
1415254614
1514244615
1614244616
1713234617
1813224619
1913224620
2012214521
2112204522
2212194524
2311194525
2410184626
2510184627
269174627
279174628
288174629
297174630
306174631
316174632

Wind in December

Winds average 6 km/h in December.

Across December, daily wind ranges from about 6 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 13 h 30 min at the start of December to 13 h 36 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 6:25 AM to 6:36 AM, and sunset from 7:54 PM to 8:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.56:257:54
213.56:257:55
313.56:267:55
413.56:267:56
513.56:267:57
613.56:267:57
713.56:267:58
813.56:267:59
913.56:277:59
1013.66:278:00
1113.66:278:01
1213.66:278:01
1313.66:288:02
1413.66:288:02
1513.66:288:03
1613.66:298:03
1713.66:298:04
1813.66:298:05
1913.66:308:05
2013.66:308:06
2113.66:318:06
2213.66:318:07
2313.66:328:07
2413.66:328:07
2513.66:338:08
2613.66:338:08
2713.66:348:09
2813.66:348:09
2913.66:358:09
3013.66:358:10
3113.66:368:10

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.82 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 3.12 kWh/m² to a high of 5.82 kWh/m² in December across the year — December's 5.82 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.6Bright
25.5Bright
35.5Bright
45.5Bright
55.6Bright
65.6Bright
75.6Bright
85.6Bright
95.6Bright
105.7Bright
115.7Bright
125.7Bright
135.7Bright
145.8Bright
155.8Bright
165.8Bright
175.8Bright
185.9Bright
195.9Bright
205.9Bright
216.0Bright
226.0Bright
236.0Bright
246.0Intense
256.0Intense
266.0Intense
276.0Intense
286.0Intense
296.0Intense
306.0Intense
316.0Intense
Planning a trip in December

Hazard calendar for San José de Metán

In seasonPeak

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

San José de Metán's monsoon runs December–March, when most of the year's rain falls.

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

Is December a good time to visit San José de Metán?

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
5.1
Beach & pool
4th-best month of the year

December is a reasonable time to visit San José de Metán for sightseeing.

What to pack for San José de Metán in December

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

In December, San José de Metán sees daytime highs around 27°C and nights near 17°C. Pack rain gear. Worth having: light clothes and sun protection. About 20 days see rain.

rain gearlight clothessun protection

UV index in San José de Metán in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 14 (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 José de Metán peaks around January 18 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 at about 5 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighModerateHighVery highExtremeJan 18UV 15Jul 10UV 5
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar13Extreme
Apr8Very high
May6High
Jun5Moderate
Jul5Moderate
Aug7High
Sep9Very high
Oct12Extreme
Nov13Extreme
Dec14Extreme
Location & terrain

Where is San José de Metán?

San José de Metán sits at 25.5°S, 65.0°W, 828 m above sea level, in Argentina. The nearest listed city is Rosario de la Frontera, 34 km away.

Topography around San José de Metán

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

Within 3 km, the terrain around San José de Metán has significant variations in elevation — a maximum elevation change of 260 m around an average of 867 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,623 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,789 m.

The land around San José de Metán is covered by cropland (45%) and trees (29%) within 3 km, trees (52%) and cropland (43%) within 16 km, and trees (56%) within 80 km.

3 km
260 m
16 km
1,623 m
80 km
2,789 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Rosario de la Frontera 34 km · Rosario de Lerma 83 km · San José de los Cerrillos 84 km · Salta 89 km · General Güemes 92 km · Joaquín V. González 95 km · San Lorenzo 99 km · Cafayate 119 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 José de Metán (-25.4971°, -64.9711°, elevation 828 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).