Santo Tomé weather in October

In October, Santo Tomé sees average daytime highs of 27°C and overnight lows near 16°C, with 217 mm of rain across 12.2 wet days and about 12.7 hours of daylight. It is the 6th-warmest and 1st-wettest month of the year here.

Highs climb over the month, from about 25°C in the first days to 28°C by the end. The sky is clear or mostly clear about 38% of the time in October, and the air most often feels muggy.

Daylight stretches from about 12 h 18 min at the start of October to 13 h 06 min by month's end. Set against the rest of the year, October is Santo Tomé's 12th-clearest and 2nd-windiest month. For the whole year in context, see Santo Tomé's year-round climate.

Daytime high
27°
6th warmest
Overnight low
16°
6th coldest
Rainfall
217 mm
12.2 wet days
Daylight
12 h 42 min
6:08 AM – 6:50 PM
Cloud cover
56%
12th clearest
Wind
13 km/h
2nd windiest
Solar energy
5.32 kWh/m²
Travel score
6.3
out of 10

Santo Tomé is city in Corrientes, Argentina.

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 25°C in the first days to 28°C by the end.

A typical October day in Santo Tomé reaches about 27°C in the afternoon and slips back to 16°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 32°C. Set against its neighbours, October runs about 3°C warmer than September and about 2°C cooler than November.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12515
22515
32515
42515
52616
62616
72616
82616
92616
102616
112616
122616
132616
142716
152717
162717
172717
182717
192717
202717
212717
222717
232717
242717
252717
262717
272717
282817
292817
302817
312817

How October really feels in Santo Tomé

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.

Santo Tomé weather by month

How October compares with the rest of the year at a glance. October is the 6th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 22°1601213.63.9
Feb31° / 21°13311.5134.3
Mar30° / 20°12710.112.25.2
Apr27° / 17°16810.111.36.7
May23° / 14°1218.410.67.1
Jun21° / 12°1159.410.26.5
Jul20° / 11°117910.46.7
Aug23° / 12°1008.5117.2
Sep24° / 14°15410.411.87.0
Oct27° / 16°21712.212.76.3
Nov29° / 18°1609.413.45.7
Dec31° / 20°16110.813.84.4

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 38% of the time in October, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 11% of October, with mostly cloudy or overcast conditions the remaining 51%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14951
24951
34951
44852
54852
64753
74753
84753
94852
104753
114852
124852
134852
144852
154753
164852
174852
184852
194753
204852
214852
224852
234951
244951
255050
265050
275149
285149
295149
305347
315347

Chance of precipitation in October

Any precipitation

Santo Tomé gets around 217 mm of rain over 12.2 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 39% and peaks near 41% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
137
237
338
439
539
640
740
840
940
1040
1140
1240
1340
1440
1540
1641
1740
1840
1940
2040
2139
2239
2339
2438
2538
2638
2738
2838
2937
3037
3136

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the muggy band about 27% of days. Sticky, muggy-or-worse air turns up on roughly 32% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1332522182
2322522192
3302522202
4292423213
5282423223
6272423233
7252424244
8252424244
9232424254
10222424255
11212524255
12202524255
13192524265
14182625265
15172625275
16162526276
17162526286
18152526286
19152426296
20152426296
21152426306
22152325307
23152325307
24162325307
25162224307
26162224307
27172224308
28172123318
29172123318
30172123318
31182122319

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.

051015151015202531
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 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 48 minutes over October. Sunrise moves from 6:25 AM to 5:55 AM, and sunset from 6:41 PM to 7:00 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:256:41
212.36:246:42
312.36:236:42
412.46:216:43
512.46:206:43
612.46:196:44
712.46:186:45
812.56:176:45
912.56:166:46
1012.56:156:46
1112.66:146:47
1212.66:126:48
1312.66:116:48
1412.66:106:49
1512.76:096:49
1612.76:086:50
1712.76:076:51
1812.86:066:51
1912.86:056:52
2012.86:046:53
2112.86:036:53
2212.96:026:54
2312.96:026:55
2412.96:016:55
2512.96:006:56
2613.05:596:57
2713.05:586:58
2813.05:576:58
2913.05:576:59
3013.15:567:00
3113.15:557:00

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 5.32 kWh/m².

For context, solar energy here swings from a low near 2.54 kWh/m² to a high of 6.83 kWh/m² in December across the year — October's 5.32 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.9Bright
25.0Bright
35.0Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
85.1Bright
95.1Bright
105.1Bright
115.2Bright
125.2Bright
135.2Bright
145.3Bright
155.3Bright
165.3Bright
175.4Bright
185.4Bright
195.5Bright
205.5Bright
215.5Bright
225.6Bright
235.6Bright
245.7Bright
255.7Bright
265.8Bright
275.8Bright
285.8Bright
295.9Bright
306.0Bright
316.0Intense
Planning a trip in October

Is October a good time to visit Santo Tomé?

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

6.3
Sightseeing
7th-best month of the year
6.3
Beach & pool
6th-best month of the year

October is a reasonable time to visit Santo Tomé for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Santo Tomé in October

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

In October, Santo Tomé sees daytime highs around 27°C and nights near 16°C. Worth packing: light clothes, rain gear and sun protection. About 12 days see rain.

light clothesrain gearsun protection

UV index in Santo Tomé in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Santo Tomé peaks around January 20 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 4 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateExtremeJan 20UV 14Jun 20UV 4
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar11Extreme
Apr8Very high
May5Moderate
Jun4Moderate
Jul4Moderate
Aug5Moderate
Sep8Very high
Oct6High
Nov11Extreme
Dec12Extreme

Air quality in Santo Tomé 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 Santo Tomé is worst in September — around 16 µg/m³ PM2.5 (moderate), about 2.8× the cleanest month (March, 6 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodGoodModerateGoodSep 1116 µg/m³Mar 226 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb14Moderate
Mar6Good
Apr7Good
May6Good
Jun7Good
Jul10Good
Aug15Moderate
Sep16Moderate
Oct9Good
Nov9Good
Dec6Good
Location & terrain

Where is Santo Tomé?

Santo Tomé sits at 28.6°S, 56.0°W, 67 m above sea level, in Argentina. The nearest listed city is São Borja, 13 km away.

Topography around Santo Tomé

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

Within 3 km, the terrain around Santo Tomé has only modest variations in elevation — a maximum elevation change of 47 m around an average of 67 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 78 m; within 80 km, only modest variations in elevation — a maximum elevation change of 203 m.

The land around Santo Tomé is covered by trees (28%) and grassland (27%) within 3 km, grassland (28%), trees (26%) and cropland (20%) within 16 km, and grassland (39%), cropland (22%) and wetland (21%) within 80 km.

3 km
47 m
16 km
78 m
80 km
203 m
treesgrasslandcroplandartificial surfaceswaterwetland
October weather nearby: São Borja 13 km · Gobernador Virasora 56 km · Apóstoles 76 km · Itaqui 81 km · São Luiz Gonzaga 107 km · Garupá 121 km · Ituzaingó 125 km · Leandro N. Alem 127 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 Santo Tomé (-28.551°, -56.0412°, elevation 67 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).