San Antonio de Areco weather in October

In October, San Antonio de Areco sees average daytime highs of 22°C and overnight lows near 12°C, with 125 mm of rain across 9.5 wet days and about 12.9 hours of daylight. It is the 7th-warmest and 1st-wettest month of the year here.

Highs climb over the month, from about 21°C in the first days to 24°C by the end. The sky is clear or mostly clear about 39% of the time in October, and the air most often feels dry.

Daylight stretches from about 12 h 18 min at the start of October to 13 h 24 min by month's end. Set against the rest of the year, October is San Antonio de Areco's 9th-clearest and 2nd-windiest month. For the whole year in context, see San Antonio de Areco's year-round climate.

Daytime high
22°
7th warmest
Overnight low
12°
6th coldest
Rainfall
125 mm
9.5 wet days
Daylight
12 h 54 min
6:17 AM – 7:09 PM
Cloud cover
54%
9th clearest
Wind
14 km/h
2nd windiest
Solar energy
5.55 kWh/m²
Travel score
6.9
out of 10

San Antonio de Areco is town in Buenos Aires Province, Argentina.

Founded
1730

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 21°C in the first days to 24°C by the end.

A typical October day in San Antonio de Areco reaches about 22°C in the afternoon and slips back to 12°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 27°C. Set against its neighbours, October runs about 3°C warmer than September and about 3°C cooler than November.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12110
22110
32110
42110
52111
62111
72111
82111
92211
102211
112211
122211
132211
142212
152212
162312
172312
182312
192312
202312
212312
222312
232312
242312
252312
262312
272312
282412
292413
302413
312413

San Antonio de Areco weather by month

How October compares with the rest of the year at a glance. October is the 7th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 18°928.1145.7
Feb28° / 17°1058.213.36.3
Mar26° / 16°937.112.37.3
Apr23° / 12°100811.27.3
May19° / 645.810.26.6
Jun16° / 495.79.85.4
Jul15° / 515.79.95.1
Aug17° / 595.510.76.3
Sep19° / 706.211.86.8
Oct22° / 12°1259.512.96.9
Nov26° / 14°1007.913.87.2
Dec28° / 17°988.914.26.3

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 39% 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 49%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15149
25149
35149
45050
55050
64951
74951
84951
94951
105050
115050
125050
135050
145050
155050
165050
175149
185149
195149
205248
215248
225248
235248
245248
255347
265347
275347
285446
295545
305545
315545

Chance of precipitation in October

Any precipitation

San Antonio de Areco gets around 125 mm of rain over 9.5 wet days in October, the wettest month. 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 31% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
126
226
327
427
528
628
729
829
929
1029
1129
1229
1329
1429
1529
1630
1730
1830
1930
2031
2131
2231
2331
2431
2531
2631
2731
2831
2930
3030
3130

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 65% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1791650
2781750
3771760
4761860
5731971
6731971
7712081
8712081
9692191
10692191
116821101
126722101
136722101
146622111
156622111
166523111
176323122
186323122
196323122
206223132
216223132
226223132
236223132
246024133
256024133
265925133
275825143
285726143
295627143
305627143
315428153

Wind in October

Winds average 14 km/h in October.

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 18 min at the start of October to 13 h 24 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 6:37 AM to 6:00 AM, and sunset from 6:57 PM to 7:22 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:376:57
212.46:356:58
312.46:346:59
412.46:336:59
512.56:317:00
612.56:307:01
712.66:287:02
812.66:277:02
912.66:267:03
1012.76:247:04
1112.76:237:05
1212.76:227:06
1312.86:207:07
1412.86:197:07
1512.86:187:08
1612.96:177:09
1712.96:167:10
1812.96:147:11
1913.06:137:12
2013.06:127:13
2113.06:117:13
2213.16:107:14
2313.16:097:15
2413.16:077:16
2513.26:067:17
2613.26:057:18
2713.26:047:19
2813.36:037:20
2913.36:027:21
3013.36:017:22
3113.46:007:22

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 5.55 kWh/m².

For context, solar energy here swings from a low near 2.29 kWh/m² to a high of 7.41 kWh/m² in December across the year — October's 5.55 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.1Bright
35.1Bright
45.1Bright
55.2Bright
65.2Bright
75.2Bright
85.3Bright
95.3Bright
105.3Bright
115.4Bright
125.4Bright
135.5Bright
145.5Bright
155.6Bright
165.6Bright
175.7Bright
185.7Bright
195.7Bright
205.8Bright
215.8Bright
225.9Bright
235.9Bright
246.0Bright
256.0Bright
266.0Intense
276.1Intense
286.1Intense
296.2Intense
306.2Intense
316.2Intense
Planning a trip in October

Is October a good time to visit San Antonio de Areco?

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

6.9
Sightseeing
4th-best month of the year
5.0
Beach & pool
7th-best month of the year

October is a reasonable time to visit San Antonio de Areco for sightseeing.

What to pack for San Antonio de Areco in October

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

In October, San Antonio de Areco sees daytime highs around 22°C and nights near 12°C. Worth packing: light clothes, rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

UV index in San Antonio de Areco in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 8 (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 Antonio de Areco peaks around January 14 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateHighVery highExtremeJan 14UV 13Jun 19UV 3
UV index (midday)Level
Jan13Extreme
Feb11Extreme
Mar10Very high
Apr6High
May4Moderate
Jun3Moderate
Jul3Moderate
Aug4Moderate
Sep6High
Oct8Very high
Nov11Extreme
Dec12Extreme

Air quality in San Antonio de Areco in October

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where October falls, not just the annual average.

Air quality in San Antonio de Areco is worst in August — around 20 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (November, 10 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodGoodModerateGoodAug 1619 µg/m³Nov 2310 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb11Good
Mar12Moderate
Apr11Good
May14Moderate
Jun16Moderate
Jul16Moderate
Aug20Moderate
Sep15Moderate
Oct13Moderate
Nov10Good
Dec11Good
Location & terrain

Where is San Antonio de Areco?

San Antonio de Areco sits at 34.3°S, 59.5°W, 35 m above sea level, in Argentina. The nearest listed city is Carmen de Areco, 35 km away.

Topography around San Antonio de Areco

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

Within 3 km, the terrain around San Antonio de Areco has only modest variations in elevation — a maximum elevation change of 24 m around an average of 29 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 58 m; within 80 km, only modest variations in elevation — a maximum elevation change of 94 m.

The land around San Antonio de Areco is covered by grassland (41%) and cropland (30%) within 3 km, cropland (81%) within 16 km, and cropland (54%) and grassland (20%) within 80 km.

3 km
24 m
16 km
58 m
80 km
94 m
treesgrasslandcroplandartificial surfaceswaterwetland
October weather nearby: Carmen de Areco 35 km · Zárate 44 km · Mercedes 45 km · Luján 48 km · Campana 48 km · Baradero 49 km · Pilar 56 km · Arrecifes 62 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 Antonio de Areco (-34.2508°, -59.4694°, elevation 35 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. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).