San Carlos de Bolívar weather in October

In October, San Carlos de Bolívar sees average daytime highs of 21°C and overnight lows near 10°C, with 103 mm of rain across 9.7 wet days and about 12.9 hours of daylight. It is the 7th-warmest and 2nd-wettest month of the year here.

Highs climb over the month, from about 20°C in the first days to 22°C by the end. The sky is clear or mostly clear about 40% of the time in October, and the air most often feels dry.

Daylight stretches from about 12 h 24 min at the start of October to 13 h 30 min by month's end. Set against the rest of the year, October is San Carlos de Bolívar's 9th-clearest and 1st-windiest month. For the whole year in context, see San Carlos de Bolívar's year-round climate.

Daytime high
21°
7th warmest
Overnight low
10°
6th coldest
Rainfall
103 mm
9.7 wet days
Daylight
12 h 54 min
6:21 AM – 7:18 PM
Cloud cover
53%
9th clearest
Wind
14 km/h
1st windiest
Solar energy
5.6 kWh/m²
Travel score
6.7
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 October

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 20°C in the first days to 22°C by the end.

A typical October day in San Carlos de Bolívar reaches about 21°C in the afternoon and slips back to 10°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 26°C. Set against its neighbours, October runs about 3°C warmer than September and about 3°C cooler than November.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
1198
2198
3209
4209
5209
6209
7209
8209
9209
10209
112110
122110
132110
142110
152110
162110
172110
182110
192210
202210
212210
222210
232211
242211
252211
262211
272211
282211
292211
302211
312311

How October really feels in San Carlos de Bolívar

Once humidity and wind are folded in, October 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

October 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 October compares with the rest of the year at a glance. October is the 7th-warmest and 2nd-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 October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 40% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 13% of October, with mostly cloudy or overcast conditions the remaining 47%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14852
24852
34852
44852
54852
64951
74951
84951
95050
105050
115248
125248
135347
145347
155446
165347
175446
185545
195545
205545
215545
225644
235644
245743
255743
265743
275743
285842
295842
305941
315941

Chance of precipitation in October

Any precipitation

San Carlos de Bolívar gets around 103 mm of rain over 9.7 wet days in October. 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
431
531
631
732
832
932
1031
1131
1231
1331
1431
1531
1631
1730
1830
1930
2030
2130
2230
2331
2431
2531
2631
2732
2832
2932
3032
3132

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the dry band about 79% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1891010
2881110
3871210
4871210
5851320
6841420
7841420
8831520
9821530
10801631
11801631
12801631
13781741
14781741
15781741
16761851
17761851
18761851
19751951
20741961
21741961
22741961
23751960
24751960
25751960
26751960
27751960
28742060
29742060
30742060
31722170

Wind in October

Winds average 14 km/h in October, the windiest month of the year.

Across October, daily wind ranges from about 14 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in October

DaylightNight

Daylight runs from about 12 h 24 min at the start of October to 13 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 66 minutes over October. Sunrise moves from 6:43 AM to 6:04 AM, and sunset from 7:04 PM to 7:32 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:437:04
212.46:417:05
312.46:407:06
412.56:387:07
512.56:377:08
612.66:357:09
712.66:347:10
812.66:327:10
912.76:317:11
1012.76:297:12
1112.86:287:13
1212.86:277:14
1312.86:257:15
1412.96:247:16
1512.96:237:17
1612.96:217:18
1713.06:207:19
1813.06:197:20
1913.16:177:20
2013.16:167:21
2113.16:157:22
2213.26:147:23
2313.26:137:24
2413.26:117:25
2513.36:107:26
2613.36:097:27
2713.36:087:28
2813.46:077:29
2913.46:067:30
3013.46:057:31
3113.56:047:32

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 5.6 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 — October's 5.6 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.0Bright
55.1Bright
65.1Bright
75.2Bright
85.2Bright
95.3Bright
105.3Bright
115.4Bright
125.4Bright
135.5Bright
145.5Bright
155.6Bright
165.7Bright
175.7Bright
185.8Bright
195.8Bright
205.8Bright
215.9Bright
225.9Bright
236.0Bright
246.0Intense
256.1Intense
266.1Intense
276.1Intense
286.2Intense
296.2Intense
306.3Intense
316.3Intense
Planning a trip in October

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

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

6.7
Sightseeing
5th-best month of the year
4.1
Beach & pool
7th-best month of the year

October is a reasonable time to visit San Carlos de Bolívar for sightseeing.

What to pack for San Carlos de Bolívar in October

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

In October, San Carlos de Bolívar sees daytime highs around 21°C and nights near 10°C. Worth packing: rain gear and sun protection. About 10 days see rain.

rain gearsun protection

UV index in San Carlos de Bolívar in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 8 — enough to warrant sun protection. 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
October 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).