Gualeguay weather in October

In October, Gualeguay sees average daytime highs of 23°C and overnight lows near 13°C, with 119 mm of rain across 9.8 wet days and about 12.8 hours of daylight. It is the 7th-warmest and 3rd-wettest month of the year here.

Highs climb over the month, from about 22°C in the first days to 25°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 18 min at the start of October to 13 h 18 min by month's end. Set against the rest of the year, October is Gualeguay's 10th-clearest and 2nd-windiest month. For the whole year in context, see Gualeguay's year-round climate.

Daytime high
23°
7th warmest
Overnight low
13°
6th coldest
Rainfall
119 mm
9.8 wet days
Daylight
12 h 48 min
6:17 AM – 7:07 PM
Cloud cover
53%
10th clearest
Wind
13 km/h
2nd windiest
Solar energy
5.55 kWh/m²
Travel score
7.1
out of 10

Gualeguay is city in Entre Ríos Province, Argentina.

Founded
1783

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 22°C in the first days to 25°C by the end.

A typical October day in Gualeguay reaches about 23°C in the afternoon and slips back to 13°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 28°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)
12211
22211
32211
42211
52212
62212
72212
82212
92312
102312
112312
122312
132312
142313
152313
162313
172413
182413
192413
202413
212413
222413
232413
242413
252413
262413
272413
282514
292514
302514
312514

Gualeguay weather by month

How October compares with the rest of the year at a glance. October is the 7th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 19°1077.413.95.3
Feb29° / 18°1108.113.25.8
Mar27° / 17°1227.812.37.0
Apr23° / 13°1118.211.27.3
May20° / 10°756.110.36.8
Jun17° / 576.49.95.8
Jul16° / 535.4105.7
Aug18° / 715.910.86.7
Sep21° / 10°786.811.87.0
Oct23° / 13°1199.812.87.1
Nov26° / 15°1097.413.77.1
Dec29° / 17°1209.114.15.8

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%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15149
25050
35050
44951
54951
64852
74852
84852
94951
105050
115050
125248
135248
145347
155446
165446
175446
185446
195446
205545
215545
225545
235644
245644
255644
265644
275644
285644
295644
305644
315743

Chance of precipitation in October

Any precipitation

Gualeguay gets around 119 mm of rain over 9.8 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 30% and peaks near 32% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
126
227
327
428
529
629
730
830
930
1030
1130
1230
1330
1430
1530
1631
1731
1831
1931
2031
2131
2231
2331
2432
2532
2632
2731
2831
2931
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 58% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
17219810
27020910
37020910
468201020
567201120
666211120
765211220
864211320
962211331
1061221431
1160221431
1260221431
1360221431
1459231431
1557231541
1657231541
1756241541
1855241551
1955241551
2055241551
2155241560
2254241660
2354241660
2454241660
2552251670
2652251670
2752251670
2850261770
2950261770
3049271770
3148281870

Wind in October

Winds average 13 km/h in October.

Across October, 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 October

DaylightNight

Daylight runs from about 12 h 18 min at the start of October to 13 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 60 minutes over October. Sunrise moves from 6:37 AM to 6:01 AM, and sunset from 6:56 PM to 7:20 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:376:56
212.46:356:57
312.46:346:57
412.46:326:58
512.56:316:59
612.56:307:00
712.56:287:00
812.66:277:01
912.66:267:02
1012.66:257:03
1112.76:237:03
1212.76:227:04
1312.76:217:05
1412.86:207:06
1512.86:187:07
1612.86:177:07
1712.96:167:08
1812.96:157:09
1912.96:147:10
2013.06:137:11
2113.06:117:11
2213.06:107:12
2313.16:097:13
2413.16:087:14
2513.16:077:15
2613.26:067:16
2713.26:057:17
2813.26:047:17
2913.36:037:18
3013.36:027:19
3113.36:017:20

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 2.34 kWh/m² to a high of 7.33 kWh/m² in December across the year — October's 5.55 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.1Bright
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
155.5Bright
165.6Bright
175.6Bright
185.7Bright
195.7Bright
205.8Bright
215.8Bright
225.9Bright
235.9Bright
246.0Bright
256.0Intense
266.0Intense
276.1Intense
286.1Intense
296.2Intense
306.2Intense
316.3Intense
Planning a trip in October

Is October a good time to visit Gualeguay?

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

7.1
Sightseeing
2nd-best month of the year
5.6
Beach & pool
7th-best month of the year

October is one of the better times to visit Gualeguay for general sightseeing.

What to pack for Gualeguay in October

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

In October, Gualeguay sees daytime highs around 23°C and nights near 13°C. Worth packing: light clothes, rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

UV index in Gualeguay 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 Gualeguay peaks around January 15 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 15UV 13Jun 19UV 3
UV index (midday)Level
Jan13Extreme
Feb11Extreme
Mar10Extreme
Apr6High
May4Moderate
Jun3Moderate
Jul3Moderate
Aug4Moderate
Sep6High
Oct8Very high
Nov11Extreme
Dec12Extreme

Air quality in Gualeguay 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 Gualeguay is worst in August — around 19 µg/m³ PM2.5 (moderate), about 3.7× the cleanest month (April, 5 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodAug 1718 µg/m³Apr 145 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb6Good
Mar6Good
Apr5Good
May7Good
Jun7Good
Jul12Good
Aug19Moderate
Sep12Good
Oct10Good
Nov6Good
Dec6Good
Location & terrain

Where is Gualeguay?

Gualeguay sits at 33.1°S, 59.3°W, 13 m above sea level, in Argentina. The nearest listed city is San Pedro, 68 km away.

Topography around Gualeguay

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

Within 3 km, the terrain around Gualeguay has only modest variations in elevation — a maximum elevation change of 24 m around an average of 10 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 59 m; within 80 km, only modest variations in elevation — a maximum elevation change of 95 m.

The land around Gualeguay is covered by grassland (60%) and artificial surfaces (23%) within 3 km, grassland (60%) and cropland (29%) within 16 km, and wetland (33%), cropland (32%) and grassland (29%) within 80 km.

3 km
24 m
16 km
59 m
80 km
95 m
treesgrasslandcroplandartificial surfaceswaterwetland
October weather nearby: San Pedro 68 km · Ramallo 75 km · Gualeguaychú 75 km · Baradero 77 km · San Nicolás de los Arroyos 86 km · Fray Bentos 93 km · Nogoyá 94 km · Villa Constitución 95 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 Gualeguay (-33.1409°, -59.3126°, elevation 13 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).