San Carlos de Bolívar weather in January

In January, San Carlos de Bolívar sees average daytime highs of 29°C and overnight lows near 16°C, with 107 mm of rain across 9.4 wet days and about 14.2 hours of daylight. It is the 1st-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 58% of the time in January, and the air most often feels humid.

Daylight stretches from about 14 h 24 min at the start of January to 13 h 48 min by month's end. Set against the rest of the year, January is San Carlos de Bolívar's 1st-clearest and 6th-windiest month. For the whole year in context, see San Carlos de Bolívar's year-round climate.

Daytime high
29°
1st warmest
Overnight low
16°
12th coldest
Rainfall
107 mm
9.4 wet days
Daylight
14 h 12 min
6:07 AM – 8:20 PM
Cloud cover
39%
1st clearest
Wind
13 km/h
6th windiest
Solar energy
7.42 kWh/m²
Travel score
6.1
out of 10

San Carlos de Bolívar is town in Buenos Aires, Argentina.

Founded
1878

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical January day in San Carlos de Bolívar reaches about 29°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 24°C and 33°C. Set against its neighbours, January runs about 1°C warmer than December and about 1°C warmer than February.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12916
22916
32916
42916
52916
62916
72916
82916
92916
102916
112916
122916
132916
142916
152916
162916
172916
182916
192916
202916
212916
222917
232917
242917
252917
262917
272817
282816
292816
302816
312816

How January really feels in San Carlos de Bolívar

Once humidity and wind are folded in, January averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

January sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

San Carlos de Bolívar weather by month

How January compares with the rest of the year at a glance. January is the 1st-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 16°1079.414.26.1
Feb27° / 16°947.913.46.9
Mar25° / 14°998.112.37.4
Apr21° / 11°917.811.17.0
May17° / 495.510.16.1
Jun14° / 364.69.64.6
Jul13° / 344.79.84.3
Aug16° / 494.710.65.7
Sep18° / 666.811.86.4
Oct21° / 10°1039.712.96.7
Nov24° / 12°998.813.97.2
Dec28° / 15°908.614.46.7

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 58% of the time in January, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 15% of January, with mostly cloudy or overcast conditions the remaining 28%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17030
27030
36931
46931
56931
66931
76931
87030
97030
107030
117228
127228
137228
147327
157426
167426
177525
187525
197624
207624
217525
227525
237525
247525
257525
267426
277426
287426
297228
307228
317129

Chance of precipitation in January

Any precipitation

San Carlos de Bolívar gets around 107 mm of rain over 9.4 wet days in January, the wettest month. 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 (%)
127
228
328
428
529
629
729
830
930
1030
1130
1230
1330
1430
1530
1630
1730
1829
1929
2029
2129
2230
2330
2430
2531
2631
2731
2831
2932
3032
3132

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the humid band about 29% of days. Sticky, muggy-or-worse air turns up on roughly 19% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1292626172
2282627172
3282627172
4292627172
5292627172
6292627171
7292627171
8292627171
9292627161
10292628161
11292628161
12292628161
13292628161
14292628161
15282628161
16282529171
17282529171
18272529172
19272430172
20262430172
21262431172
22252331182
23252332183
24252232183
25242232193
26242232193
27242132203
28252131203
29252131213
30252030213
31252130213

Wind in January

Winds average 13 km/h in January.

Across January, 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 January

DaylightNight

Daylight runs from about 14 h 24 min at the start of January to 13 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 36 minutes over January. Sunrise moves from 5:55 AM to 6:22 AM, and sunset from 8:20 PM to 8:13 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.45:558:20
214.45:568:21
314.45:568:21
414.45:578:21
514.45:588:21
614.45:598:21
714.45:598:21
814.36:008:21
914.36:018:21
1014.36:028:21
1114.36:038:21
1214.36:048:21
1314.36:058:21
1414.36:058:21
1514.26:068:20
1614.26:078:20
1714.26:088:20
1814.26:098:20
1914.26:108:19
2014.16:118:19
2114.16:128:19
2214.16:138:18
2314.16:148:18
2414.06:158:17
2514.06:168:17
2614.06:178:16
2714.06:188:16
2813.96:198:15
2913.96:208:15
3013.96:218:14
3113.86:228:13

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 7.42 kWh/m².

For context, solar energy here swings from a low near 2.17 kWh/m² to a high of 7.6 kWh/m² in December across the year — January's 7.42 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.5Intense
27.5Intense
37.5Intense
47.5Intense
57.5Intense
67.5Intense
77.5Intense
87.5Intense
97.5Intense
107.5Intense
117.5Intense
127.5Intense
137.5Intense
147.5Intense
157.5Intense
167.5Intense
177.5Intense
187.5Intense
197.5Intense
207.4Intense
217.4Intense
227.4Intense
237.3Intense
247.3Intense
257.3Intense
267.2Intense
277.2Intense
287.1Intense
297.0Intense
307.0Intense
317.0Intense
Planning a trip in January

Is January a good time to visit San Carlos de Bolívar?

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

6.1
Sightseeing
8th-best month of the year
7.4
Beach & pool
1st-best month of the year

January is a reasonable time to visit San Carlos de Bolívar for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for San Carlos de Bolívar in January

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

In January, San Carlos de Bolívar sees daytime highs around 29°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 San Carlos de Bolívar in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January 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 San Carlos de Bolívar peaks around January 11 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 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 11UV 13Jun 21UV 2
UV index (midday)Level
Jan13Extreme
Feb11Extreme
Mar9Very high
Apr6High
May3Moderate
Jun2Moderate
Jul3Moderate
Aug4Moderate
Sep5High
Oct8Very high
Nov10Extreme
Dec12Extreme
Location & terrain

Where is San Carlos de Bolívar?

San Carlos de Bolívar sits at 36.2°S, 61.1°W, 95 m above sea level, in Argentina. The nearest listed city is Carlos Casares, 71 km away.

Topography around San Carlos de Bolívar

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of San Carlos de Bolívar.

Within 3 km, the terrain around San Carlos de Bolívar has only modest variations in elevation — a maximum elevation change of 13 m around an average of 93 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 42 m; within 80 km, only modest variations in elevation — a maximum elevation change of 221 m.

The land around San Carlos de Bolívar is covered by grassland (43%), cropland (26%) and artificial surfaces (23%) within 3 km, cropland (55%) and grassland (42%) within 16 km, and cropland (54%) and grassland (45%) within 80 km.

3 km
13 m
16 km
42 m
80 km
221 m
treesgrasslandcroplandartificial surfaceswater
January weather nearby: Carlos Casares 71 km · Pehuajó 85 km · Nueve de Julio 90 km · Olavarría 102 km · Veinticinco de Mayo 123 km · Azul 128 km · Bragado 136 km · Los Toldos 137 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 San Carlos de Bolívar (-36.2307°, -61.1157°, elevation 95 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).