Las Flores weather in December

In December, Las Flores sees average daytime highs of 27°C and overnight lows near 15°C, with 83 mm of rain across 8.3 wet days and about 14.4 hours of daylight. It is the 2nd-warmest and 7th-wettest month of the year here.

Highs climb over the month, from about 26°C in the first days to 29°C by the end. The sky is clear or mostly clear about 51% of the time in December, and the air most often feels dry.

Daylight stretches from about 14 h 18 min at the start of December to 14 h 24 min by month's end. Set against the rest of the year, December is Las Flores's 1st-clearest and 4th-windiest month. For the whole year in context, see Las Flores's year-round climate.

Daytime high
27°
2nd warmest
Overnight low
15°
10th coldest
Rainfall
83 mm
8.3 wet days
Daylight
14 h 24 min
5:40 AM – 8:06 PM
Cloud cover
43%
1st clearest
Wind
13 km/h
4th windiest
Solar energy
7.5 kWh/m²
Travel score
6.8
out of 10

Las Flores is city in Buenos Aires Province, Argentina.

Founded
1856

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 29°C by the end.

A typical December day in Las Flores reaches about 27°C in the afternoon and slips back to 15°C overnight — a 12°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°20°30°151015202531
Avg high (°C)Avg low (°C)
12614
22614
32614
42614
52614
62614
72714
82714
92714
102714
112715
122715
132715
142715
152715
162815
172815
182815
192815
202816
212816
222816
232816
242816
252816
262816
272816
282916
292916
302916
312917

Las Flores weather by month

How December compares with the rest of the year at a glance. December is the 2nd-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 16°958.314.26.2
Feb27° / 16°887.713.46.9
Mar25° / 14°877.812.37.4
Apr21° / 11°937.411.17.1
May18° / 57610.16.2
Jun14° / 555.49.64.6
Jul14° / 495.69.84.3
Aug16° / 545.710.65.5
Sep18° / 686.511.86.3
Oct21° / 10°989.312.96.6
Nov24° / 13°90913.97.2
Dec27° / 15°838.314.46.8

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 51% of the time in December, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 13% of December, with mostly cloudy or overcast conditions the remaining 36%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16238
26238
36238
46238
56238
66238
76139
86139
96139
106238
116238
126337
136337
146337
156337
166436
176535
186535
196535
206535
216535
226535
236535
246535
256634
266535
276535
286535
296535
306436
316436

Chance of precipitation in December

Any precipitation

Las Flores gets around 83 mm of rain over 8.3 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 27% and peaks near 29% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
127
227
327
426
526
626
726
826
926
1026
1126
1226
1327
1427
1527
1627
1727
1827
1927
2028
2128
2228
2328
2428
2529
2629
2729
2829
2929
3029
3129

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

Most of December feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, December lands in the dry band about 38% of days. Sticky, muggy-or-worse air turns up on roughly 11% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
152261930
252261930
352261930
452261930
550272040
649272040
748272041
847282141
946282141
1045282141
1144292241
1243292251
1342302251
1441302261
1540302261
1639312371
1737312381
1836312391
19353124101
20343124111
21323024131
22313024141
23303025151
24292925161
25282925171
26272825181
27262826191
28252726202
29242726212
30242727212
31232627222

Wind in December

Winds average 13 km/h in December.

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

05101520151015202531
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
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 14 h 18 min at the start of December to 14 h 24 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 5:38 AM to 5:47 AM, and sunset from 7:54 PM to 8:12 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.35:387:54
214.35:387:55
314.35:387:56
414.35:387:57
514.35:387:58
614.35:387:58
714.45:387:59
814.45:388:00
914.45:388:01
1014.45:388:02
1114.45:388:02
1214.45:398:03
1314.45:398:04
1414.45:398:04
1514.45:398:05
1614.45:408:06
1714.45:408:06
1814.45:408:07
1914.45:418:07
2014.45:418:08
2114.45:418:08
2214.45:428:09
2314.45:428:09
2414.45:438:10
2514.45:438:10
2614.45:448:11
2714.45:458:11
2814.45:458:11
2914.45:468:12
3014.45:468:12
3114.45:478:12

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 7.5 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.13 kWh/m² to a high of 7.5 kWh/m² in December across the year — December's 7.5 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.3Intense
27.3Intense
37.3Intense
47.4Intense
57.4Intense
67.4Intense
77.4Intense
87.4Intense
97.5Intense
107.5Intense
117.5Intense
127.5Intense
137.5Intense
147.5Intense
157.5Intense
167.5Intense
177.5Intense
187.5Intense
197.5Intense
207.5Intense
217.5Intense
227.5Intense
237.5Intense
247.5Intense
257.5Intense
267.5Intense
277.5Intense
287.5Intense
297.4Intense
307.4Intense
317.4Intense
Planning a trip in December

Is December a good time to visit Las Flores?

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

6.8
Sightseeing
5th-best month of the year
7.2
Beach & pool
2nd-best month of the year

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

What to pack for Las Flores in December

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

In December, Las Flores sees daytime highs around 27°C and nights near 15°C. Pack light clothes and sun protection. Worth having: rain gear. About 8 days see rain.

light clothessun protectionrain gear

UV index in Las Flores 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 Las Flores peaks around January 13 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 2 (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 20UV 2
UV index (midday)Level
Jan13Extreme
Feb11Extreme
Mar9Very high
Apr6High
May3Moderate
Jun2Moderate
Jul3Moderate
Aug4Moderate
Sep5High
Oct8Very high
Nov11Extreme
Dec12Extreme
Location & terrain

Where is Las Flores?

Las Flores sits at 36.0°S, 59.1°W, 39 m above sea level, in Argentina. The nearest listed city is General Belgrano, 61 km away.

Topography around Las Flores

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

Within 3 km, the terrain around Las Flores has only modest variations in elevation — a maximum elevation change of 19 m around an average of 34 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 40 m; within 80 km, only modest variations in elevation — a maximum elevation change of 104 m.

The land around Las Flores is covered by grassland (55%) within 3 km, grassland (63%) and cropland (34%) within 16 km, and grassland (65%) and cropland (34%) within 80 km.

3 km
19 m
16 km
40 m
80 km
104 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: General Belgrano 61 km · San Miguel del Monte 69 km · Saladillo 74 km · Lobos 92 km · Azul 109 km · Chascomús 110 km · Cañuelas 111 km · Navarro 113 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 Las Flores (-36.0143°, -59.0999°, elevation 39 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).