Morón weather in December

In December, Morón sees average daytime highs of 27°C and overnight lows near 17°C, with 85 mm of rain across 8.6 wet days and about 14.3 hours of daylight. It is the 3rd-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 26°C in the first days to 28°C by the end. The sky is clear or mostly clear about 52% of the time in December, and the air most often feels humid.

Daylight stretches from about 14 h 12 min at the start of December to 14 h 18 min by month's end. Set against the rest of the year, December is Morón's 2nd-clearest and 5th-windiest month. For the whole year in context, see Morón's year-round climate.

Daytime high
27°
3rd warmest
Overnight low
17°
10th coldest
Rainfall
85 mm
8.6 wet days
Daylight
14 h 18 min
5:41 AM – 8:00 PM
Cloud cover
43%
2nd clearest
Wind
14 km/h
5th windiest
Solar energy
7.47 kWh/m²
Travel score
6.8
out of 10

Morón is city in Buenos Aires province, Argentina.

Density
7,919/km²
people per km²
Founded
1770

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 26°C in the first days to 28°C by the end.

A typical December day in Morón 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 23°C and 32°C. Set against its neighbours, December runs about 3°C warmer than November and about 1°C cooler than January.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12616
22616
32616
42616
52616
62616
72716
82716
92716
102717
112717
122717
132717
142717
152717
162717
172717
182817
192818
202818
212818
222818
232818
242818
252818
262818
272818
282818
292819
302819
312819

Morón weather by month

How December compares with the rest of the year at a glance. December is the 3rd-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 19°877.414.16.3
Feb28° / 18°928.213.36.8
Mar26° / 17°857.412.37.4
Apr22° / 13°917.911.27.2
May18° / 10°616.110.26.4
Jun15° / 605.99.75.0
Jul14° / 606.19.94.6
Aug16° / 625.810.75.7
Sep18° / 726.711.86.4
Oct21° / 12°1099.112.96.7
Nov24° / 15°938.413.87.3
Dec27° / 17°858.614.36.8

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 52% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 13% of December, with mostly cloudy or overcast conditions the remaining 35%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16337
26436
36436
46535
56535
66535
76535
86535
96535
106535
116535
126535
136535
146535
156535
166535
176535
186535
196535
206535
216535
226535
236535
246535
256535
266535
276535
286535
296535
306535
316535

Chance of precipitation in December

Any precipitation

Morón gets around 85 mm of rain over 8.6 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 28% and peaks near 29% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
127
227
327
427
527
627
727
827
927
1027
1127
1228
1328
1428
1529
1629
1729
1829
1929
2028
2128
2228
2328
2428
2528
2628
2727
2827
2927
3027
3127

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 24% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1352526121
2352526121
3352526121
4352527121
5352527131
6342527131
7332528132
8332528132
9322528132
10312529132
11302529142
12292630142
13272630142
14262531153
15252531163
16242531173
17232432183
18222432193
19212332204
20202232224
21192232234
22182131255
23172031265
24162031276
25161930296
26151930307
27141829317
28131829318
29131829328
30121828339
31121828339

Wind in December

Winds average 14 km/h in December.

Across December, daily wind ranges from about 13 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 14 h 12 min at the start of December to 14 h 18 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 5:40 AM to 5:49 AM, and sunset from 7:49 PM to 8:06 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.25:407:49
214.25:407:50
314.25:397:51
414.25:397:51
514.25:397:52
614.25:397:53
714.25:407:54
814.25:407:55
914.35:407:55
1014.35:407:56
1114.35:407:57
1214.35:407:57
1314.35:407:58
1414.35:417:59
1514.35:417:59
1614.35:418:00
1714.35:428:01
1814.35:428:01
1914.35:428:02
2014.35:438:02
2114.35:438:03
2214.35:448:03
2314.35:448:04
2414.35:458:04
2514.35:458:05
2614.35:468:05
2714.35:468:05
2814.35:478:06
2914.35:488:06
3014.35:488:06
3114.35:498:06

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 7.47 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.24 kWh/m² to a high of 7.47 kWh/m² in December across the year — December's 7.47 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.3Intense
27.4Intense
37.4Intense
47.4Intense
57.4Intense
67.4Intense
77.5Intense
87.5Intense
97.5Intense
107.5Intense
117.5Intense
127.5Intense
137.5Intense
147.5Intense
157.5Intense
167.5Intense
177.5Intense
187.4Intense
197.4Intense
207.4Intense
217.4Intense
227.4Intense
237.4Intense
247.4Intense
257.4Intense
267.4Intense
277.4Intense
287.4Intense
297.4Intense
307.4Intense
317.4Intense
Planning a trip in December

Is December a good time to visit Morón?

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

6.8
Sightseeing
4th-best month of the year
7.2
Beach & pool
2nd-best month of the year

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

What to pack for Morón in December

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

In December, Morón sees daytime highs around 27°C and nights near 17°C. Pack light clothes and sun protection. Worth having: rain gear. About 9 days see rain.

light clothessun protectionrain gear

Sea temperature near Morón in December

The nearest coast averages about 23°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 23 km away) is warmest in January at about 25°C and coldest in July near 13°C.

It's comfortable for a long swim from Nov 9 to Apr 20 — about 5.4 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swimcomfortable to swim
Sea temperature (°C)Comfort
Jan25Warm
Feb25Warm
Mar23Refreshing
Apr21Refreshing
May17Cool
Jun14Bracing
Jul13Bracing
Aug13Bracing
Sep15Cool
Oct18Cool
Nov21Refreshing
Dec23Refreshing

UV index in Morón in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Morón peaks around January 13 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateHighVery highExtremeJan 13UV 12Jun 19UV 3
UV index (midday)Level
Jan13Extreme
Feb11Extreme
Mar9Very high
Apr6High
May3Moderate
Jun3Moderate
Jul3Moderate
Aug4Moderate
Sep6High
Oct8Very high
Nov11Extreme
Dec12Extreme

Air quality in Morón 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 Morón is worst in June — around 25 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (December, 12 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateJun 2325 µg/m³Dec 1612 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb14Moderate
Mar16Moderate
Apr17Moderate
May22Moderate
Jun25Moderate
Jul25Moderate
Aug24Moderate
Sep19Moderate
Oct16Moderate
Nov13Moderate
Dec12Moderate
Location & terrain

Where is Morón?

Morón sits at 34.7°S, 58.6°W, 25 m above sea level, in Argentina. The nearest listed city is Castelar, 2.0 km away.

Topography around Morón

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

Within 3 km, the terrain around Morón has only modest variations in elevation — a maximum elevation change of 24 m around an average of 26 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 Morón is covered by artificial surfaces (88%) within 3 km, artificial surfaces (65%) within 16 km, and grassland (30%) and cropland (25%) within 80 km.

3 km
24 m
16 km
53 m
80 km
118 m
treesgrasslandcroplandartificial surfaceswaterwetland
December weather nearby: Castelar 2.0 km · Haedo 3.0 km · El Palomar 4.0 km · Villa Sarmiento 5.0 km · San Justo 6.0 km · Isidro Casanova 6.0 km · Hurlingham 7.0 km · San Antonio de Padua 7.0 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 Morón (-34.6512°, -58.6221°, elevation 25 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).