Tristán Suárez weather in August

In August, Tristán Suárez sees average daytime highs of 16°C and overnight lows near 7°C, with 64 mm of rain across 6 wet days and about 10.7 hours of daylight. It is the 10th-warmest and 9th-wettest month of the year here.

Highs climb over the month, from about 15°C in the first days to 17°C by the end. The sky is clear or mostly clear about 37% of the time in August, and the air most often feels dry.

Daylight stretches from about 10 h 12 min at the start of August to 11 h 12 min by month's end. Set against the rest of the year, August is Tristán Suárez's 7th-clearest and 4th-windiest month. For the whole year in context, see Tristán Suárez's year-round climate.

Daytime high
16°
10th warmest
Overnight low
3rd coldest
Rainfall
64 mm
6 wet days
Daylight
10 h 42 min
7:38 AM – 6:19 PM
Cloud cover
54%
7th clearest
Wind
13 km/h
4th windiest
Solar energy
3.33 kWh/m²
Travel score
5.8
out of 10

Tristán Suárez is human settlement in Argentina.

Founded
1885

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 15°C in the first days to 17°C by the end.

A typical August day in Tristán Suárez reaches about 16°C in the afternoon and slips back to 7°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 11°C and 22°C. Set against its neighbours, August runs about 2°C warmer than July and about 2°C cooler than September.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
1156
2156
3156
4156
5156
6166
7166
8166
9166
10166
11166
12167
13167
14167
15177
16177
17177
18177
19177
20177
21177
22177
23178
24178
25178
26178
27178
28178
29178
30178
31178

Tristán Suárez weather by month

How August compares with the rest of the year at a glance. August is the 10th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 18°897.914.16.0
Feb28° / 17°898.613.36.6
Mar26° / 16°817.212.37.4
Apr22° / 12°908.211.17.1
May18° / 596.110.26.4
Jun15° / 605.69.75.1
Jul14° / 596.19.94.6
Aug16° / 64610.75.8
Sep18° / 72711.86.4
Oct21° / 11°1069.412.96.7
Nov24° / 14°948.413.87.2
Dec28° / 16°868.614.36.7

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 37% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 14% of August, with mostly cloudy or overcast conditions the remaining 49%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14753
24852
34951
45050
55050
65050
75248
85248
95347
105347
115347
125446
135446
145446
155446
165446
175347
185347
195347
205347
215248
225248
235248
245149
255050
264951
275050
284951
294852
304852
314852

Chance of precipitation in August

Any precipitation

Tristán Suárez gets around 64 mm of rain over 6 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 20% and peaks near 23% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
118
217
317
417
518
618
718
818
919
1019
1119
1219
1320
1420
1520
1620
1720
1820
1920
2020
2120
2220
2320
2421
2521
2621
2721
2822
2922
3023
3123

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 89% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19271
29172
39172
49172
59262
69262
79262
89262
99262
109262
119262
129172
139172
149172
159082
168983
178893
188893
198893
2086104
2186104
2285114
2385114
2485114
2585114
2685114
2785114
2885114
2986113
3086113
3186113

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 14 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
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 August

DaylightNight

Daylight runs from about 10 h 12 min at the start of August to 11 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 60 minutes over August. Sunrise moves from 7:53 AM to 7:18 AM, and sunset from 6:07 PM to 6:30 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.27:536:07
210.37:536:08
310.37:526:09
410.37:516:09
510.37:506:10
610.47:496:11
710.47:486:12
810.47:476:13
910.57:466:13
1010.57:456:14
1110.57:446:15
1210.67:436:16
1310.67:416:16
1410.67:406:17
1510.67:396:18
1610.77:386:19
1710.77:376:20
1810.77:366:20
1910.87:346:21
2010.87:336:22
2110.87:326:23
2210.97:316:23
2310.97:296:24
2410.97:286:25
2511.07:276:26
2611.07:256:26
2711.17:246:27
2811.17:236:28
2911.17:216:29
3011.27:206:29
3111.27:186:30

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 3.33 kWh/m².

For context, solar energy here swings from a low near 2.23 kWh/m² to a high of 7.48 kWh/m² in December across the year — August's 3.33 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
12.8Moderate
22.9Moderate
32.9Moderate
42.9Moderate
53.0Moderate
63.0Moderate
73.0Moderate
83.1Moderate
93.1Moderate
103.1Moderate
113.2Moderate
123.2Moderate
133.2Moderate
143.3Moderate
153.3Moderate
163.3Moderate
173.4Moderate
183.4Moderate
193.4Moderate
203.5Moderate
213.5Moderate
223.5Moderate
233.5Moderate
243.6Moderate
253.6Moderate
263.6Moderate
273.6Moderate
283.7Moderate
293.7Moderate
303.8Moderate
313.8Moderate
Planning a trip in August

Is August a good time to visit Tristán Suárez?

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

5.8
Sightseeing
10th-best month of the year
1.0
Beach & pool
10th-best month of the year

August is a reasonable time to visit Tristán Suárez for sightseeing.

What to pack for Tristán Suárez in August

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

In August, Tristán Suárez sees daytime highs around 16°C and nights near 7°C. Worth packing: a warm layer. About 6 days see rain.

a warm layer

Sea temperature near Tristán Suárez in August

The nearest coast averages about 13°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 34 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 9 to Apr 20 — about 5.4 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swimcomfortable to swim
Sea temperature (°C)Comfort
Jan25Warm
Feb25Warm
Mar23Refreshing
Apr21Refreshing
May17Cool
Jun14Bracing
Jul13Bracing
Aug13Bracing
Sep15Cool
Oct18Cool
Nov21Refreshing
Dec23Refreshing

UV index in Tristán Suárez in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Tristán Suárez peaks around January 14 at about 12 (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 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateHighVery highExtremeJan 14UV 12Jun 19UV 3
UV index (midday)Level
Jan13Extreme
Feb11Extreme
Mar10Very high
Apr6High
May3Moderate
Jun3Moderate
Jul3Moderate
Aug4Moderate
Sep6High
Oct8Very high
Nov11Extreme
Dec12Extreme

Air quality in Tristán Suárez 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 Tristán Suárez is worst in August — around 17 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (December, 9 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodAug 1316 µg/m³Dec 129 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb10Good
Mar11Good
Apr12Good
May14Moderate
Jun15Moderate
Jul16Moderate
Aug17Moderate
Sep14Moderate
Oct11Good
Nov10Good
Dec9Good
Location & terrain

Where is Tristán Suárez?

Tristán Suárez sits at 34.9°S, 58.6°W, 12 m above sea level, in Argentina. The nearest listed city is La Unión, 3.0 km away.

Topography around Tristán Suárez

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

Within 3 km, the terrain around Tristán Suárez has only modest variations in elevation — a maximum elevation change of 23 m around an average of 20 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 53 m; within 80 km, only modest variations in elevation — a maximum elevation change of 70 m.

The land around Tristán Suárez is covered by artificial surfaces (37%), grassland (36%) and trees (22%) within 3 km, grassland (45%) and artificial surfaces (20%) within 16 km, and grassland (35%) and cropland (29%) within 80 km.

3 km
23 m
16 km
53 m
80 km
70 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
August weather nearby: La Unión 3.0 km · Ezeiza 6.0 km · Burzaco 17 km · Adrogué 19 km · Pontevedra 20 km · San Vicente 20 km · Lomas de Zamora 21 km · Isidro Casanova 21 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 Tristán Suárez (-34.8898°, -58.5676°, elevation 12 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).