Rafaela weather in December

In December, Rafaela sees average daytime highs of 30°C and overnight lows near 18°C, with 129 mm of rain across 9.4 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 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 Rafaela's 6th-clearest and 6th-windiest month. For the whole year in context, see Rafaela's year-round climate.

Daytime high
30°
2nd warmest
Overnight low
18°
10th coldest
Rainfall
129 mm
9.4 wet days
Daylight
14 hours
6:01 AM – 8:03 PM
Cloud cover
44%
6th clearest
Wind
12 km/h
6th windiest
Solar energy
7.2 kWh/m²
Travel score
5.5
out of 10

Rafaela is Argentine municipality in the province of Santa Fe.

Density
3,168/km²
people per km²
Founded
1881

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 Rafaela 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
72917
82918
92918
102918
112918
122918
132918
142918
152918
163018
173018
183018
193019
203019
213019
223019
233019
243019
253019
263019
273019
283019
293019
303019
313019

Rafaela 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
Jan30° / 19°1199.513.85.1
Feb29° / 19°1258.913.15.7
Mar27° / 17°1398.912.26.7
Apr24° / 14°109811.37.4
May20° / 11°656.110.47.0
Jun18° / 404.8106.5
Jul17° / 304.210.26.6
Aug20° / 424.210.97.5
Sep22° / 11°575.711.87.7
Oct25° / 14°1309.712.87.2
Nov28° / 16°1248.613.66.7
Dec30° / 18°1299.4145.5

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 36%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16139
26238
36337
46337
56337
66436
76436
86535
96634
106634
116634
126733
136634
146634
156634
166634
176634
186634
196535
206535
216535
226436
236535
246436
256436
266337
276337
286337
296337
306337
316337

Chance of precipitation in December

Any precipitation

Rafaela gets around 129 mm of rain over 9.4 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 (%)
130
230
330
430
530
630
730
830
930
1030
1130
1230
1330
1430
1531
1631
1731
1831
1931
2032
2132
2232
2332
2432
2532
2632
2732
2832
2932
3032
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 36% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
12329261830
22329271930
32328271930
42227281930
52227281940
62226291940
72126291950
82025301950
92025301960
101924312060
111824312060
121723322170
131623322170
141523322280
151422332380
161322322390
171321322490
1812203225101
1911203127111
2011193028121
2110192929131
2210182830141
239182730151
249182631161
258182531171
268182432171
278172332181
288172332192
297172232202
307172232202
317172232212

Wind in December

Winds average 12 km/h in December.

Across December, daily wind ranges from about 11 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
1212calm
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2612calm
2712calm
2812calm
2911calm
3011calm
3111calm

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 5:59 AM to 6:09 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)
113.95:597:52
213.95:597:53
313.95:597:54
413.95:597:55
513.95:597:55
613.95:597:56
714.05:597:57
814.06:007:58
914.06:007:58
1014.06:007:59
1114.06:008:00
1214.06:008:00
1314.06:018:01
1414.06:018:02
1514.06:018:02
1614.06:018:03
1714.06:028:03
1814.06:028:04
1914.06:038:04
2014.06:038:05
2114.06:038:05
2214.06:048:06
2314.06:048:06
2414.06:058:07
2514.06:058:07
2614.06:068:08
2714.06:078:08
2814.06:078:08
2914.06:088:09
3014.06:088:09
3114.06:098:09

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 7.2 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.54 kWh/m² to a high of 7.2 kWh/m² in December across the year — December's 7.2 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 Rafaela?

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

5.5
Sightseeing
11th-best month of the year
7.2
Beach & pool
1st-best month of the year

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

What to pack for Rafaela in December

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

In December, Rafaela 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 Rafaela 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 Rafaela peaks around January 18 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 18UV 14Jun 21UV 3
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar11Extreme
Apr7High
May4Moderate
Jun3Moderate
Jul4Moderate
Aug5Moderate
Sep7High
Oct10Very high
Nov11Extreme
Dec13Extreme
Location & terrain

Where is Rafaela?

Rafaela sits at 31.3°S, 61.5°W, 96 m above sea level, in Argentina. The nearest listed city is Sunchales, 35 km away.

Topography around Rafaela

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

Within 3 km, the terrain around Rafaela has only modest variations in elevation — a maximum elevation change of 22 m around an average of 98 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 50 m; within 80 km, only modest variations in elevation — a maximum elevation change of 108 m.

The land around Rafaela is covered by artificial surfaces (61%) within 3 km, cropland (86%) within 16 km, and cropland (88%) within 80 km.

3 km
22 m
16 km
50 m
80 km
108 m
treesgrasslandcroplandartificial surfaces
December weather nearby: Sunchales 35 km · Esperanza 57 km · San Francisco 60 km · Morteros 78 km · San Jorge 80 km · Santo Tomé 83 km · Santa Fe 86 km · Gálvez 90 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 Rafaela (-31.2528°, -61.4908°, elevation 96 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).