Formosa weather in August

In August, Formosa sees average daytime highs of 24°C and overnight lows near 14°C, with 64 mm of rain across 6.6 wet days and about 11.1 hours of daylight. It is the 9th-warmest and 12th-wettest month of the year here.

Highs climb over the month, from about 23°C in the first days to 26°C by the end. The sky is clear or mostly clear about 55% of the time in August, and the air most often feels dry.

Daylight stretches from about 10 h 48 min at the start of August to 11 h 24 min by month's end. Set against the rest of the year, August is Formosa's 1st-clearest and 1st-windiest month. For the whole year in context, see Formosa's year-round climate.

Daytime high
24°
9th warmest
Overnight low
14°
2nd coldest
Rainfall
64 mm
6.6 wet days
Daylight
11 h 06 min
7:25 AM – 6:29 PM
Cloud cover
40%
1st clearest
Wind
15 km/h
1st windiest
Solar energy
3.96 kWh/m²
Travel score
7.8
out of 10

Formosa is city in Argentina.

Density
2,963/km²
people per km²
Founded
1879

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 23°C in the first days to 26°C by the end.

A typical August day in Formosa reaches about 24°C in the afternoon and slips back to 14°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 33°C. Set against its neighbours, August runs about 3°C warmer than July and about 2°C cooler than September.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12312
22313
32313
42313
52313
62413
72413
82413
92413
102413
112413
122413
132413
142413
152413
162414
172414
182514
192514
202514
212514
222514
232514
242514
252514
262514
272514
282614
292614
302615
312615

How August really feels in Formosa

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.

Formosa weather by month

How August compares with the rest of the year at a glance. August is the 9th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan33° / 23°11911.113.53.5
Feb32° / 23°13711.512.93.8
Mar31° / 21°12810.912.24.7
Apr28° / 18°1539.511.46.3
May24° / 15°1288.410.77.2
Jun22° / 14°998.410.47.0
Jul22° / 12°787.510.57.3
Aug24° / 14°646.611.17.8
Sep26° / 16°1118.611.87.1
Oct29° / 18°18411.512.65.7
Nov30° / 20°18210.613.35.0
Dec32° / 22°16211.413.64.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 55% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 10% of August, with mostly cloudy or overcast conditions the remaining 35%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16436
26436
36436
46436
56337
66337
76337
86337
96337
106337
116337
126238
136238
146337
156337
166337
176436
186535
196535
206535
216634
226733
236733
246832
256931
266931
276931
287030
297030
307030
317030

Chance of precipitation in August

Any precipitation

Formosa gets around 64 mm of rain over 6.6 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 21% and peaks near 23% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
120
220
320
420
520
620
720
820
920
1020
1120
1221
1321
1421
1521
1621
1721
1822
1922
2022
2122
2222
2322
2422
2522
2622
2722
2822
2922
3022
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 52% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
15524174
25425174
35425174
45425174
55425174
65425174
75425174
85425174
95425174
105425174
115425174
125524174
135524174
145524174
155424184
165424184
175424184
185324194
195324194
205224204
215224204
225024215
235024215
244924216
254924216
264824226
274823227
284823227
294723228
304723228
314623229

Wind in August

Winds average 15 km/h in August, the windiest month of the year.

Across August, daily wind ranges from about 14 km/h on the calmest days to 15 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
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3015light breeze
3115light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 10 h 48 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 36 minutes over August. Sunrise moves from 7:36 AM to 7:10 AM, and sunset from 6:21 PM to 6:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.87:366:21
210.87:356:22
310.87:356:22
410.87:346:23
510.87:336:23
610.97:336:24
710.97:326:25
810.97:316:25
910.97:306:26
1010.97:306:26
1111.07:296:26
1211.07:286:27
1311.07:276:27
1411.07:266:28
1511.07:266:28
1611.17:256:29
1711.17:246:29
1811.17:236:30
1911.17:226:30
2011.27:216:31
2111.27:206:31
2211.27:196:32
2311.27:186:32
2411.37:176:33
2511.37:166:33
2611.37:156:34
2711.37:146:34
2811.47:136:34
2911.47:126:35
3011.47:116:35
3111.47:106:36

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 3.96 kWh/m².

For context, solar energy here swings from a low near 2.67 kWh/m² to a high of 6.75 kWh/m² in December across the year — August's 3.96 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
13.5Moderate
23.5Moderate
33.6Moderate
43.6Moderate
53.6Moderate
63.7Moderate
73.7Moderate
83.7Moderate
93.7Moderate
103.8Moderate
113.8Moderate
123.8Moderate
133.8Moderate
143.9Moderate
153.9Moderate
163.9Moderate
174.0Moderate
184.0Moderate
194.0Bright
204.1Bright
214.1Bright
224.1Bright
234.2Bright
244.2Bright
254.3Bright
264.3Bright
274.3Bright
284.4Bright
294.4Bright
304.4Bright
314.5Bright
Planning a trip in August

Is August a good time to visit Formosa?

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

7.8
Sightseeing
1st-best month of the year
6.7
Beach & pool
6th-best month of the year

August is one of the better times to visit Formosa for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Formosa in August

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

In August, Formosa sees daytime highs around 24°C and nights near 14°C. Worth packing: light clothes. About 7 days see rain.

light clothes

UV index in Formosa 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 Formosa peaks around January 18 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighModerateVery highExtremeJan 18UV 14Jun 21UV 4
UV index (midday)Level
Jan15Extreme
Feb14Extreme
Mar11Extreme
Apr8Very high
May6High
Jun4Moderate
Jul5Moderate
Aug5Moderate
Sep8Very high
Oct7Very high
Nov12Extreme
Dec13Extreme

Air quality in Formosa 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 Formosa is worst in September — around 23 µg/m³ PM2.5 (moderate), about 2.9× the cleanest month (May, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateGoodSep 1222 µg/m³May 198 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb13Moderate
Mar13Moderate
Apr10Good
May8Good
Jun9Good
Jul12Good
Aug21Moderate
Sep23Moderate
Oct15Moderate
Nov10Good
Dec9Good
Location & terrain

Where is Formosa?

Formosa sits at 26.2°S, 58.2°W, 67 m above sea level, in Argentina. The nearest listed city is Pilar, 76 km away.

Topography around Formosa

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

Within 3 km, the terrain around Formosa has only modest variations in elevation — a maximum elevation change of 17 m around an average of 58 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 23 m; within 80 km, only modest variations in elevation — a maximum elevation change of 182 m.

The land around Formosa is covered by artificial surfaces (50%) and trees (29%) within 3 km, trees (44%) and grassland (39%) within 16 km, and grassland (49%) and trees (36%) within 80 km.

3 km
17 m
16 km
23 m
80 km
182 m
treesgrasslandcroplandartificial surfaceswaterwetland
August weather nearby: Pilar 76 km · San Antonio 106 km · Pirané 106 km · Villa Elisa 108 km · Nemby 109 km · Lambaré 109 km · Itá 111 km · Asuncion 113 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 Formosa (-26.1849°, -58.1731°, 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).