Pehuajó weather in December

In December, Pehuajó sees average daytime highs of 28°C and overnight lows near 16°C, with 100 mm of rain across 9 wet days and about 14.4 hours of daylight. It is the 2nd-warmest and 5th-wettest month of the year here.

Highs climb over the month, from about 27°C in the first days to 29°C by the end. The sky is clear or mostly clear about 56% 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 Pehuajó's 2nd-clearest and 5th-windiest month. For the whole year in context, see Pehuajó's year-round climate.

Daytime high
28°
2nd warmest
Overnight low
16°
10th coldest
Rainfall
100 mm
9 wet days
Daylight
14 h 24 min
5:51 AM – 8:16 PM
Cloud cover
39%
2nd clearest
Wind
13 km/h
5th windiest
Solar energy
7.56 kWh/m²
Travel score
6.5
out of 10

Pehuajó is city in Buenos Aires Province, Argentina.

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 27°C in the first days to 29°C by the end.

A typical December day in Pehuajó reaches about 28°C in the afternoon and slips back to 16°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 33°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)
12715
22715
32715
42715
52715
62715
72715
82716
92716
102816
112816
122816
132816
142816
152816
162816
172817
182817
192917
202917
212917
222917
232917
242917
252917
262917
272918
282918
292918
302918
312918

Pehuajó weather by month

How December compares with the rest of the year at a glance. December is the 2nd-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 18°1089.514.25.9
Feb28° / 17°978.313.46.8
Mar25° / 15°1068.212.37.3
Apr22° / 12°887.711.17.1
May18° / 455.410.16.3
Jun14° / 3049.64.9
Jul14° / 274.19.84.6
Aug16° / 414.310.66.0
Sep19° / 656.311.86.7
Oct22° / 11°10810.412.96.7
Nov25° / 14°1038.813.97.2
Dec28° / 16°100914.46.5

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 56% 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 29%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16832
26832
36832
46832
56832
66832
76832
86931
96832
106832
116931
126931
136931
147129
157129
167129
177228
187228
197327
207327
217327
227426
237426
247525
257426
267426
277327
287426
297327
307327
317327

Chance of precipitation in December

Any precipitation

Pehuajó gets around 100 mm of rain over 9 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 29% and peaks near 30% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
129
229
329
429
529
629
729
829
929
1029
1129
1230
1330
1430
1530
1630
1730
1829
1929
2029
2129
2229
2328
2428
2528
2628
2728
2828
2928
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 37% of days. Sticky, muggy-or-worse air turns up on roughly 12% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
151271930
249272030
349272040
448272040
548272141
647272241
746272241
845272351
945262351
1044262451
1143262451
1242272561
1341272561
1440272671
1539272671
1638262781
1737262791
18352627101
19342628111
20332528122
21322528142
22302429152
23292429162
24282429173
25272329183
26262330183
27252330193
28242230194
29232231204
30232231204
31222231204

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 5:50 AM to 5:59 AM, and sunset from 8:05 PM to 8:23 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.35:508:05
214.35:508:06
314.35:508:07
414.35:508:07
514.35:508:08
614.35:508:09
714.35:508:10
814.35:508:11
914.45:508:11
1014.45:508:12
1114.45:508:13
1214.45:508:14
1314.45:508:14
1414.45:518:15
1514.45:518:16
1614.45:518:16
1714.45:528:17
1814.45:528:17
1914.45:528:18
2014.45:538:18
2114.45:538:19
2214.45:548:19
2314.45:548:20
2414.45:558:20
2514.45:558:21
2614.45:568:21
2714.45:568:22
2814.45:578:22
2914.45:588:22
3014.45:588:22
3114.45:598:23

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 7.56 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.25 kWh/m² to a high of 7.56 kWh/m² in December across the year — December's 7.56 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.4Intense
27.4Intense
37.4Intense
47.4Intense
57.4Intense
67.5Intense
77.5Intense
87.5Intense
97.5Intense
107.5Intense
117.5Intense
127.5Intense
137.5Intense
147.6Intense
157.6Intense
167.6Intense
177.6Intense
187.6Intense
197.6Intense
207.6Intense
217.6Intense
227.6Intense
237.6Intense
247.6Intense
257.6Intense
267.6Intense
277.5Intense
287.5Intense
297.5Intense
307.5Intense
317.5Intense
Planning a trip in December

Is December a good time to visit Pehuajó?

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

6.5
Sightseeing
7th-best month of the year
7.3
Beach & pool
2nd-best month of the year

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

What to pack for Pehuajó in December

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

In December, Pehuajó sees daytime highs around 28°C and nights near 16°C. Pack light clothes and sun protection. Worth having: rain gear. About 9 days see rain.

light clothessun protectionrain gear

UV index in Pehuajó 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 Pehuajó peaks around January 12 at about 13 (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 12UV 13Jun 20UV 2
UV index (midday)Level
Jan13Extreme
Feb12Extreme
Mar9Very high
Apr6High
May3Moderate
Jun2Moderate
Jul3Moderate
Aug4Moderate
Sep5High
Oct8Very high
Nov11Extreme
Dec13Extreme
Location & terrain

Where is Pehuajó?

Pehuajó sits at 35.8°S, 61.9°W, 85 m above sea level, in Argentina. The nearest listed city is Carlos Casares, 53 km away.

Topography around Pehuajó

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

Within 3 km, the terrain around Pehuajó has only modest variations in elevation — a maximum elevation change of 15 m around an average of 85 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 29 m; within 80 km, only modest variations in elevation — a maximum elevation change of 69 m.

The land around Pehuajó is covered by grassland (33%), cropland (28%) and artificial surfaces (25%) within 3 km, cropland (66%) and grassland (28%) within 16 km, and cropland (72%) and grassland (23%) within 80 km.

3 km
15 m
16 km
29 m
80 km
69 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Carlos Casares 53 km · Trenque Lauquen 77 km · San Carlos de Bolívar 85 km · Nueve de Julio 100 km · Lincoln 110 km · Los Toldos 119 km · General Villegas 133 km · Bragado 149 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 Pehuajó (-35.8108°, -61.899°, elevation 85 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).