Santo Tomé weather in August

In August, Santo Tomé sees average daytime highs of 23°C and overnight lows near 12°C, with 100 mm of rain across 8.5 wet days and about 11 hours of daylight. It is the 10th-warmest and 12th-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 48% of the time in August, and the air most often feels dry.

Daylight stretches from about 10 h 36 min at the start of August to 11 h 24 min by month's end. Set against the rest of the year, August is Santo Tomé's 1st-clearest and 2nd-windiest month. For the whole year in context, see Santo Tomé's year-round climate.

Daytime high
23°
10th warmest
Overnight low
12°
3rd coldest
Rainfall
100 mm
8.5 wet days
Daylight
11 hours
7:19 AM – 6:17 PM
Cloud cover
45%
1st clearest
Wind
13 km/h
2nd windiest
Solar energy
3.78 kWh/m²
Travel score
7.2
out of 10

Santo Tomé is city in Corrientes, Argentina.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in August

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 August day in Santo Tomé reaches about 23°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 15°C and 30°C. Set against its neighbours, August runs about 2°C warmer than July and about 2°C cooler than September.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12111
22111
32111
42211
52211
62212
72212
82212
92212
102212
112212
122212
132212
142212
152312
162312
172312
182312
192312
202313
212313
222313
232313
242313
252313
262313
272413
282413
292413
302413
312413

How August really feels in Santo Tomé

Once humidity and wind are folded in, August 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

August 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 August compares with the rest of the year at a glance. August is the 10th-warmest and 12th-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 August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 48% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 12% of August, with mostly cloudy or overcast conditions the remaining 40%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16040
26139
36040
46040
56040
66040
76040
86040
96040
106040
116040
126040
136040
146040
155941
166040
176040
186040
196040
206139
216139
226139
236139
246139
256139
266139
276040
286040
296040
306040
315941

Chance of precipitation in August

Any precipitation

Santo Tomé gets around 100 mm of rain over 8.5 wet days in August, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 28% and peaks near 32% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
126
226
325
425
525
625
725
826
926
1026
1126
1227
1327
1427
1527
1628
1728
1828
1928
2028
2129
2229
2329
2430
2530
2630
2730
2831
2931
3031
3132

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the dry band about 53% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
16021172
25921182
35921182
45921182
55821192
65821192
75821192
85821192
95722192
105722192
115623192
125623192
135524192
145425192
155425192
165326192
175326192
185127202
195027203
205027213
214927213
224827224
234726234
244726234
254625245
264624245
274624256
284623256
294623257
304522257
314522258

Wind in August

Winds average 13 km/h in August.

Across August, 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 August

DaylightNight

Daylight runs from about 10 h 36 min at the start of August to 11 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 48 minutes over August. Sunrise moves from 7:32 AM to 7:03 AM, and sunset from 6:09 PM to 6:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.67:326:09
210.67:316:10
310.77:306:10
410.77:296:11
510.77:296:11
610.77:286:12
710.87:276:12
810.87:266:13
910.87:256:13
1010.87:256:14
1110.87:246:15
1210.97:236:15
1310.97:226:16
1410.97:216:16
1510.97:206:17
1611.07:196:17
1711.07:186:18
1811.07:176:18
1911.07:166:19
2011.17:156:20
2111.17:146:20
2211.17:136:21
2311.27:126:21
2411.27:116:22
2511.27:106:22
2611.27:096:23
2711.37:086:23
2811.37:066:24
2911.37:056:24
3011.37:046:25
3111.47:036:25

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 3.78 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 — August's 3.78 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
13.3Moderate
23.3Moderate
33.4Moderate
43.4Moderate
53.4Moderate
63.5Moderate
73.5Moderate
83.5Moderate
93.5Moderate
103.6Moderate
113.6Moderate
123.6Moderate
133.7Moderate
143.7Moderate
153.7Moderate
163.8Moderate
173.8Moderate
183.8Moderate
193.9Moderate
203.9Moderate
213.9Moderate
224.0Moderate
234.0Moderate
244.0Bright
254.0Bright
264.0Bright
274.1Bright
284.1Bright
294.1Bright
304.2Bright
314.2Bright
Planning a trip in August

Is August a good time to visit Santo Tomé?

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

7.2
Sightseeing
1st-best month of the year
5.3
Beach & pool
9th-best month of the year

August is one of the better times to visit Santo Tomé for general sightseeing.

What to pack for Santo Tomé in August

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

In August, Santo Tomé sees daytime highs around 23°C and nights near 12°C. Worth packing: light clothes and rain gear. About 9 days see rain.

light clothesrain gear

UV index in Santo Tomé in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 5 — 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 August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August 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
August 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).