Sunchales weather in December

In December, Sunchales sees average daytime highs of 30°C and overnight lows near 18°C, with 128 mm of rain across 9.2 wet days and about 14 hours of daylight. It is the 2nd-warmest and 2nd-wettest month of the year here.

Highs climb over the month, from about 29°C in the first days to 30°C by the end. 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 hours by month's end. Set against the rest of the year, December is Sunchales's 6th-clearest and 6th-windiest month. For the whole year in context, see Sunchales's year-round climate.

Daytime high
30°
2nd warmest
Overnight low
18°
10th coldest
Rainfall
128 mm
9.2 wet days
Daylight
14 hours
6:03 AM – 8:02 PM
Cloud cover
44%
6th clearest
Wind
12 km/h
6th windiest
Solar energy
7.21 kWh/m²
Travel score
5.5
out of 10

Sunchales is city in Santa Fe Province, Argentina.

Density
52/km²
people per km²
Founded
1886

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 30°C by the end.

A typical December day in Sunchales reaches about 30°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 25°C and 34°C. Set against its neighbours, December runs about 2°C warmer than November and about 1°C cooler than January.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12917
22917
32917
42917
52917
62917
72918
82918
92918
102918
112918
122918
132918
143018
153018
163018
173018
183019
193019
203019
213019
223019
233019
243019
253019
263019
273019
283019
293019
303120
313120

Sunchales 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
Jan31° / 20°1271013.84.9
Feb29° / 19°123913.15.5
Mar28° / 17°1348.512.26.7
Apr24° / 14°1108.311.37.4
May21° / 11°68610.57.1
Jun18° / 434.8106.6
Jul17° / 314.210.26.7
Aug20° / 394.310.97.6
Sep23° / 11°575.711.87.8
Oct25° / 14°1279.612.87.2
Nov28° / 16°1278.613.66.6
Dec30° / 18°1289.2145.5

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 16% of December, with mostly cloudy or overcast conditions the remaining 35%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16337
26337
36337
46535
56535
66634
76634
86634
96733
106733
116733
126733
136733
146733
156733
166733
176634
186634
196634
206535
216535
226535
236535
246535
256436
266436
276436
286337
296436
306436
316436

Chance of precipitation in December

Any precipitation

Sunchales gets around 128 mm of rain over 9.2 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 32% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
130
230
330
430
529
629
729
829
929
1029
1129
1230
1330
1430
1530
1631
1731
1831
1931
2031
2131
2231
2331
2431
2531
2631
2731
2831
2931
3031
3132

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 37% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
12128281930
22128281930
32127291930
42127292040
52026292040
62026292050
72025302050
81924302150
91924302160
101824302260
111723302270
121623312370
131523312470
141422312480
151422312590
161321302690
1712213027100
1811203027111
1911202928111
2010192929121
219192830141
229182830151
238182730161
248172631171
258172631181
268172531191
277162531201
287162431202
297162431212
307162430222
317162330222

Wind in December

Winds average 12 km/h in December.

Across December, daily wind ranges from about 12 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112light 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
2212calm
2312calm
2412calm
2512calm
2612calm
2712calm
2812calm
2912calm
3012calm
3112calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 13 h 54 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 6 minutes over December. Sunrise moves from 6:00 AM to 6:10 AM, and sunset from 7:52 PM to 8:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.96:007:52
213.96:007:53
313.96:007:53
413.96:007:54
513.96:007:55
613.96:007:56
713.96:007:56
813.96:017:57
914.06:017:58
1014.06:017:58
1114.06:017:59
1214.06:018:00
1314.06:028:00
1414.06:028:01
1514.06:028:02
1614.06:038:02
1714.06:038:03
1814.06:038:03
1914.06:048:04
2014.06:048:04
2114.06:048:05
2214.06:058:05
2314.06:058:06
2414.06:068:06
2514.06:068:07
2614.06:078:07
2714.06:088:08
2814.06:088:08
2914.06:098:08
3014.06:098:09
3114.06:108:09

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 7.21 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.56 kWh/m² to a high of 7.21 kWh/m² in December across the year — December's 7.21 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.1Intense
27.1Intense
37.1Intense
47.1Intense
57.2Intense
67.2Intense
77.2Intense
87.2Intense
97.2Intense
107.2Intense
117.2Intense
127.2Intense
137.2Intense
147.2Intense
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 Sunchales?

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

5.5
Sightseeing
10th-best month of the year
7.2
Beach & pool
1st-best month of the year

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

What to pack for Sunchales in December

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

In December, Sunchales sees daytime highs around 30°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 Sunchales 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 Sunchales 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateHighVery highExtremeJan 19UV 14Jun 21UV 3
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar11Extreme
Apr7Very high
May4Moderate
Jun3Moderate
Jul4Moderate
Aug5High
Sep7High
Oct10Very high
Nov12Extreme
Dec13Extreme
Location & terrain

Where is Sunchales?

Sunchales sits at 30.9°S, 61.6°W, 87 m above sea level, in Argentina. The nearest listed city is Rafaela, 35 km away.

Topography around Sunchales

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

Within 3 km, the terrain around Sunchales has only modest variations in elevation — a maximum elevation change of 14 m around an average of 95 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 102 m.

The land around Sunchales is covered by cropland (65%) within 3 km, cropland (93%) within 16 km, and cropland (81%) within 80 km.

3 km
14 m
16 km
33 m
80 km
102 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Rafaela 35 km · Morteros 50 km · San Francisco 73 km · Esperanza 82 km · San Justo 94 km · San Jorge 110 km · Santo Tomé 110 km · Santa Fe 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 Sunchales (-30.9448°, -61.5597°, elevation 87 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).