Morteros weather in December

In December, Morteros sees average daytime highs of 30°C and overnight lows near 19°C, with 133 mm of rain across 9.6 wet days and about 14 hours of daylight. It is the 2nd-warmest and 3rd-wettest month of the year here.

Highs climb over the month, from about 29°C in the first days to 31°C by the end. The sky is clear or mostly clear about 50% of the time in December, and the air most often feels humid.

Daylight stretches from about 13 h 48 min at the start of December to 14 hours by month's end. Set against the rest of the year, December is Morteros's 5th-clearest and 6th-windiest month. For the whole year in context, see Morteros's year-round climate.

Daytime high
30°
2nd warmest
Overnight low
19°
10th coldest
Rainfall
133 mm
9.6 wet days
Daylight
14 hours
6:05 AM – 8:04 PM
Cloud cover
43%
5th clearest
Wind
13 km/h
6th windiest
Solar energy
7.34 kWh/m²
Travel score
5.3
out of 10

Morteros is city and municipality in Cordoba, Argentina.

Founded
1891

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 29°C in the first days to 31°C by the end.

A typical December day in Morteros reaches about 30°C in the afternoon and slips back to 19°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 35°C. Set against its neighbours, December runs about 2°C warmer than November and about 1°C cooler than January.

10°20°30°40°151015202531
Avg high (°C)Avg low (°C)
12918
22918
32918
42918
52918
62918
72918
82918
93018
103019
113019
123019
133019
143019
153019
163019
173019
183019
193019
203019
213020
223020
233020
243120
253120
263120
273120
283120
293120
303120
313120

Morteros weather by month

How December compares with the rest of the year at a glance. December is the 2nd-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 20°1399.913.84.8
Feb29° / 20°1188.913.15.5
Mar28° / 18°135912.26.6
Apr24° / 15°100811.37.4
May21° / 12°525.710.57.1
Jun18° / 344.110.16.8
Jul18° / 223.310.27.0
Aug21° / 343.610.97.8
Sep23° / 12°515.111.88.0
Oct26° / 15°1189.212.87.2
Nov28° / 17°1328.313.66.4
Dec30° / 19°1339.6145.3

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 15% of December, with mostly cloudy or overcast conditions the remaining 34%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16436
26436
36535
46535
56535
66634
76634
86634
96733
106733
116733
126733
136733
146733
156733
166733
176733
186733
196634
206634
216634
226634
236634
246535
256535
266535
276535
286535
296535
306535
316436

Chance of precipitation in December

Any precipitation

Morteros gets around 133 mm of rain over 9.6 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 31% and peaks near 32% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
131
231
331
431
531
631
731
831
931
1031
1131
1231
1331
1432
1532
1632
1732
1832
1932
2032
2132
2231
2331
2431
2531
2631
2731
2831
2931
3031
3131

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 28% of days. Sticky, muggy-or-worse air turns up on roughly 39% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
12027301940
21927301950
31926311950
41926311950
51825312060
61825312060
71724312170
81723312170
91622322270
101622322380
111521312480
121421312590
131420312590
1413193126100
1512193127110
1612183128110
1711183028121
1810183029131
1910172930131
209172830141
219172831151
228172731161
238172631171
247172531182
257162531192
267162431202
277162431212
287162331212
296162330223
306162230223
316162230233

Wind in December

Winds average 13 km/h in December.

Across December, daily wind ranges from about 12 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
213light breeze
313light 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
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light breeze
3112light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 13 h 48 min at the start of December to 14 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over December. Sunrise moves from 6:02 AM to 6:12 AM, and sunset from 7:53 PM to 8:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.86:027:53
213.96:027:54
313.96:027:55
413.96:027:55
513.96:037:56
613.96:037:57
713.96:037:58
813.96:037:58
913.96:037:59
1013.96:038:00
1113.96:038:00
1214.06:048:01
1314.06:048:02
1414.06:048:02
1514.06:058:03
1614.06:058:04
1714.06:058:04
1814.06:068:05
1914.06:068:05
2014.06:068:06
2114.06:078:06
2214.06:078:07
2314.06:088:07
2414.06:088:08
2514.06:098:08
2614.06:098:08
2714.06:108:09
2814.06:108:09
2914.06:118:09
3014.06:128:10
3114.06:128:10

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 7.34 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.65 kWh/m² to a high of 7.34 kWh/m² in December across the year — December's 7.34 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.2Intense
27.2Intense
37.2Intense
47.3Intense
57.3Intense
67.3Intense
77.3Intense
87.3Intense
97.3Intense
107.3Intense
117.3Intense
127.3Intense
137.4Intense
147.4Intense
157.4Intense
167.4Intense
177.4Intense
187.4Intense
197.4Intense
207.3Intense
217.3Intense
227.3Intense
237.3Intense
247.3Intense
257.3Intense
267.3Intense
277.3Intense
287.3Intense
297.3Intense
307.3Intense
317.3Intense
Planning a trip in December

Is December a good time to visit Morteros?

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

5.3
Sightseeing
11th-best month of the year
7.2
Beach & pool
3rd-best month of the year

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

What to pack for Morteros in December

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

In December, Morteros sees daytime highs around 30°C and nights near 19°C. Pack light clothes and sun protection. Worth having: rain gear. About 10 days see rain.

light clothessun protectionrain gear

UV index in Morteros 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 Morteros peaks around January 19 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 19UV 14Jun 21UV 3
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar11Extreme
Apr7High
May4Moderate
Jun3Moderate
Jul4Moderate
Aug5Moderate
Sep7High
Oct10Very high
Nov11Extreme
Dec13Extreme
Location & terrain

Where is Morteros?

Morteros sits at 30.7°S, 62.0°W, 90 m above sea level, in Argentina. The nearest listed city is Sunchales, 50 km away.

Topography around Morteros

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

Within 3 km, the terrain around Morteros has only modest variations in elevation — a maximum elevation change of 10 m around an average of 98 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 33 m; within 80 km, only modest variations in elevation — a maximum elevation change of 65 m.

The land around Morteros is covered by cropland (72%) within 3 km, cropland (97%) within 16 km, and cropland (67%) within 80 km.

3 km
10 m
16 km
33 m
80 km
65 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Sunchales 50 km · Rafaela 78 km · San Francisco 80 km · Arroyito 127 km · Esperanza 131 km · San Jorge 133 km · San Justo 135 km · Las Varillas 146 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 Morteros (-30.7107°, -62.0071°, elevation 90 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).