Mercedes weather in August

In August, Mercedes sees average daytime highs of 17°C and overnight lows near 7°C, with 57 mm of rain across 5.2 wet days and about 10.7 hours of daylight. It is the 10th-warmest and 10th-wettest month of the year here.

Highs climb over the month, from about 16°C in the first days to 18°C by the end. The sky is clear or mostly clear about 42% 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 Mercedes's 7th-clearest and 4th-windiest month. For the whole year in context, see Mercedes's year-round climate.

Daytime high
17°
10th warmest
Overnight low
3rd coldest
Rainfall
57 mm
5.2 wet days
Daylight
10 h 42 min
7:41 AM – 6:23 PM
Cloud cover
51%
7th clearest
Wind
13 km/h
4th windiest
Solar energy
3.41 kWh/m²
Travel score
6.1
out of 10

Mercedes is city in Buenos Aires Province, Argentina.

Founded
1745

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 16°C in the first days to 18°C by the end.

A typical August day in Mercedes reaches about 17°C in the afternoon and slips back to 7°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 11°C and 23°C. Set against its neighbours, August runs about 2°C warmer than July and about 2°C cooler than September.

10°20°151015202531
Avg high (°C)Avg low (°C)
1156
2156
3166
4166
5166
6166
7166
8166
9166
10166
11166
12176
13176
14176
15176
16176
17177
18177
19177
20177
21187
22187
23187
24187
25187
26187
27187
28187
29188
30188
31188

Mercedes weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 18°93814.15.8
Feb28° / 17°96813.36.4
Mar26° / 15°887.512.37.3
Apr22° / 12°1008.411.27.2
May18° / 646.210.26.5
Jun15° / 515.79.75.2
Jul15° / 485.59.94.8
Aug17° / 575.210.76.1
Sep19° / 676.511.86.7
Oct22° / 11°1119.512.96.8
Nov25° / 14°958.413.87.2
Dec28° / 16°919.214.36.3

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 42% 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 45%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15248
25347
35347
45446
55446
65446
75545
85644
95644
105743
115743
125743
135743
145842
155842
165842
175842
185842
195743
205743
215743
225743
235644
245644
255545
265446
275446
285347
295347
305347
315248

Chance of precipitation in August

Any precipitation

Mercedes gets around 57 mm of rain over 5.2 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 17% and peaks near 21% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
116
216
316
415
515
615
715
815
915
1015
1115
1215
1316
1416
1516
1616
1716
1816
1917
2017
2117
2218
2318
2418
2519
2619
2719
2820
2920
3021
3121

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 90% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19172
29262
39262
49262
59262
69262
79262
89262
99262
109262
119262
129172
139172
149172
159172
169082
178983
188983
198893
208893
218893
228893
238794
248794
258794
268794
278893
288893
298893
308893
318893

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
1713light 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 7:56 AM to 7:22 AM, and sunset from 6:11 PM to 6:34 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.27:566:11
210.37:566:12
310.37:556:13
410.37:546:13
510.47:536:14
610.47:526:15
710.47:516:16
810.47:506:16
910.57:496:17
1010.57:486:18
1110.57:476:19
1210.67:466:19
1310.67:456:20
1410.67:436:21
1510.77:426:22
1610.77:416:23
1710.77:406:23
1810.87:396:24
1910.87:376:25
2010.87:366:26
2110.97:356:26
2210.97:346:27
2310.97:326:28
2411.07:316:29
2511.07:306:29
2611.07:296:30
2711.17:276:31
2811.17:266:32
2911.17:246:32
3011.27:236:33
3111.27:226:34

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 3.41 kWh/m².

For context, solar energy here swings from a low near 2.25 kWh/m² to a high of 7.43 kWh/m² in December across the year — August's 3.41 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
12.9Moderate
22.9Moderate
33.0Moderate
43.0Moderate
53.0Moderate
63.1Moderate
73.1Moderate
83.1Moderate
93.2Moderate
103.2Moderate
113.3Moderate
123.3Moderate
133.3Moderate
143.4Moderate
153.4Moderate
163.4Moderate
173.5Moderate
183.5Moderate
193.5Moderate
203.5Moderate
213.6Moderate
223.6Moderate
233.6Moderate
243.6Moderate
253.7Moderate
263.7Moderate
273.7Moderate
283.8Moderate
293.8Moderate
303.8Moderate
313.9Moderate
Planning a trip in August

Is August a good time to visit Mercedes?

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

6.1
Sightseeing
9th-best month of the year
1.4
Beach & pool
10th-best month of the year

August is a reasonable time to visit Mercedes for sightseeing.

What to pack for Mercedes in August

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

In August, Mercedes sees daytime highs around 17°C and nights near 7°C. Worth packing: a warm layer. About 5 days see rain.

a warm layer

UV index in Mercedes 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 Mercedes peaks around January 14 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 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 13Jun 20UV 3
UV index (midday)Level
Jan13Extreme
Feb11Extreme
Mar9Very high
Apr6High
May4Moderate
Jun3Moderate
Jul3Moderate
Aug4Moderate
Sep6High
Oct8Very high
Nov11Extreme
Dec12Extreme

Air quality in Mercedes 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 Mercedes is worst in August — around 20 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (November, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodGoodModerateGoodAug 1619 µg/m³Nov 2310 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb11Good
Mar12Moderate
Apr11Good
May14Moderate
Jun16Moderate
Jul16Moderate
Aug20Moderate
Sep15Moderate
Oct13Moderate
Nov10Good
Dec11Good
Location & terrain

Where is Mercedes?

Mercedes sits at 34.7°S, 59.4°W, 40 m above sea level, in Argentina. The nearest listed city is Luján, 30 km away.

Topography around Mercedes

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

Within 3 km, the terrain around Mercedes has only modest variations in elevation — a maximum elevation change of 24 m around an average of 38 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 49 m; within 80 km, only modest variations in elevation — a maximum elevation change of 89 m.

The land around Mercedes is covered by artificial surfaces (35%), grassland (33%) and trees (21%) within 3 km, cropland (55%) and grassland (36%) within 16 km, and cropland (62%) and grassland (26%) within 80 km.

3 km
24 m
16 km
49 m
80 km
89 m
treesgrasslandcroplandartificial surfaceswaterwetland
August weather nearby: Luján 30 km · Navarro 42 km · San Antonio de Areco 45 km · Carmen de Areco 47 km · Pilar 52 km · Moreno 59 km · Chivilcoy 60 km · José C. Paz 63 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 Mercedes (-34.6507°, -59.4314°, elevation 40 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).