Zárate weather in October

In October, Zárate sees average daytime highs of 22°C and overnight lows near 12°C, with 131 mm of rain across 9.3 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 38% 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 Zárate's 9th-clearest and 2nd-windiest month. For the whole year in context, see Zárate's year-round climate.

Daytime high
22°
7th warmest
Overnight low
12°
6th coldest
Rainfall
131 mm
9.3 wet days
Daylight
12 h 54 min
6:15 AM – 7:07 PM
Cloud cover
55%
9th clearest
Wind
14 km/h
2nd windiest
Solar energy
5.55 kWh/m²
Travel score
7.0
out of 10

Zárate is city in Buenos Aires Province, Argentina.

Founded
1854

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 Zárate reaches about 22°C in the afternoon and slips back to 12°C overnight — a 10°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)
12111
22111
32111
42111
52111
62111
72112
82212
92212
102212
112212
122212
132212
142212
152312
162313
172313
182313
192313
202313
212313
222313
232313
242313
252313
262313
272313
282413
292413
302413
312413

Zárate 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
Jan30° / 19°957.7145.7
Feb28° / 18°1108.613.36.1
Mar26° / 16°1087.512.37.2
Apr23° / 13°103811.27.3
May19° / 10°705.810.36.6
Jun16° / 566.29.85.5
Jul15° / 595.9105.2
Aug18° / 69610.76.3
Sep20° / 756.511.86.8
Oct22° / 12°1319.312.97.0
Nov26° / 15°1037.713.87.3
Dec28° / 17°1048.714.26.3

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 38% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 12% of October, with mostly cloudy or overcast conditions the remaining 50%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15050
24951
34951
44852
54753
64753
74654
84753
94753
104753
114951
124951
134951
144951
154951
165050
175149
185050
195050
205149
215149
225248
235248
245248
255347
265347
275347
285347
295545
305545
315545

Chance of precipitation in October

Any precipitation

Zárate gets around 131 mm of rain over 9.3 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 (%)
125
226
326
427
527
627
728
828
928
1028
1128
1228
1328
1429
1529
1629
1730
1830
1930
2031
2131
2231
2331
2431
2531
2631
2731
2830
2930
3030
3129

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 (%)
1731980
2722080
3712090
4692191
56821101
66622111
76622111
86423121
96423121
106323131
116124132
126124132
136025132
146025132
155826142
165726143
175726143
185626144
195626144
205527144
215426155
225426155
235426155
245227156
255227156
265227156
275128156
285029166
294929166
304830166
314730176

Wind in October

Winds average 14 km/h in October.

Across October, daily wind ranges from about 13 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
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
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 6:35 AM to 5:59 AM, and sunset from 6:55 PM to 7:20 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:356:55
212.46:346:56
312.46:326:57
412.46:316:57
512.56:296:58
612.56:286:59
712.66:277:00
812.66:257:01
912.66:247:01
1012.76:237:02
1112.76:217:03
1212.76:207:04
1312.86:197:05
1412.86:187:05
1512.86:167:06
1612.96:157:07
1712.96:147:08
1812.96:137:09
1913.06:127:10
2013.06:107:11
2113.06:097:11
2213.16:087:12
2313.16:077:13
2413.16:067:14
2513.26:057:15
2613.26:047:16
2713.26:037:17
2813.36:027:18
2913.36:017:19
3013.36:007:20
3113.45:597:20

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 2.29 kWh/m² to a high of 7.42 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
256.0Intense
266.0Intense
276.1Intense
286.1Intense
296.2Intense
306.2Intense
316.3Intense
Planning a trip in October

Is October a good time to visit Zárate?

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

7.0
Sightseeing
4th-best month of the year
5.1
Beach & pool
7th-best month of the year

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

What to pack for Zárate in October

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

In October, Zárate sees daytime highs around 22°C and nights near 12°C. Worth packing: light clothes, rain gear and sun protection. About 9 days see rain.

light clothesrain gearsun protection

Sea temperature near Zárate in October

The nearest coast averages about 18°C in October — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 60 km away) is warmest in January at about 25°C and coldest in July near 13°C.

It's comfortable for a long swim from Nov 8 to Apr 22 — about 5.5 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swimcomfortable to swim
Sea temperature (°C)Comfort
Jan25Warm
Feb25Warm
Mar24Refreshing
Apr21Refreshing
May17Cool
Jun14Bracing
Jul13Bracing
Aug14Bracing
Sep15Cool
Oct18Cool
Nov21Refreshing
Dec23Refreshing

UV index in Zárate 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 Zárate 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
Mar10Very high
Apr6High
May4Moderate
Jun3Moderate
Jul3Moderate
Aug4Moderate
Sep6High
Oct8Very high
Nov11Extreme
Dec12Extreme

Air quality in Zárate 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 Zárate is worst in August — around 22 µg/m³ PM2.5 (moderate), about 3.3× the cleanest month (April, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodAug 1721 µg/m³Apr 157 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb8Good
Mar9Good
Apr7Good
May9Good
Jun10Good
Jul13Moderate
Aug22Moderate
Sep14Moderate
Oct12Moderate
Nov8Good
Dec8Good
Location & terrain

Where is Zárate?

Zárate sits at 34.1°S, 59.0°W, 27 m above sea level, in Argentina. The nearest listed city is Campana, 10 km away.

Topography around Zárate

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

Within 3 km, the terrain around Zárate has only modest variations in elevation — a maximum elevation change of 42 m around an average of 15 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 57 m; within 80 km, only modest variations in elevation — a maximum elevation change of 83 m.

The land around Zárate is covered by artificial surfaces (42%) within 3 km, wetland (30%), grassland (23%) and cropland (23%) within 16 km, and cropland (30%) and wetland (29%) within 80 km.

3 km
42 m
16 km
57 m
80 km
83 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
October weather nearby: Campana 10 km · Pilar 42 km · San Antonio de Areco 44 km · Tortuguitas 49 km · Ingeniero Pablo Nogués 52 km · José C. Paz 52 km · General Pacheco 53 km · Luján 53 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 Zárate (-34.0958°, -59.0242°, elevation 27 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).