Mercedes weather in July

In July, Mercedes sees average daytime highs of 15°C and overnight lows near 5°C, with 48 mm of rain across 5.5 wet days and about 9.9 hours of daylight. It is the 12th-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 15°C through the month. The sky is clear or mostly clear about 36% of the time in July, and the air most often feels dry.

Daylight stretches from about 9 h 42 min at the start of July to 10 h 12 min by month's end. Set against the rest of the year, July is Mercedes's 11th-clearest and 5th-windiest month. For the whole year in context, see Mercedes's year-round climate.

Daytime high
15°
12th warmest
Overnight low
1st coldest
Rainfall
48 mm
5.5 wet days
Daylight
9 h 54 min
8:07 AM – 6:00 PM
Cloud cover
56%
11th clearest
Wind
13 km/h
5th windiest
Solar energy
2.46 kWh/m²
Travel score
4.8
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 July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 15°C through the month.

A typical July day in Mercedes reaches about 15°C in the afternoon and slips back to 5°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 10°C and 19°C. Set against its neighbours, July runs about 1°C cooler than June and about 2°C cooler than August.

10°20°151015202531
Avg high (°C)Avg low (°C)
1145
2145
3145
4145
5145
6145
7145
8145
9145
10145
11145
12145
13145
14145
15145
16145
17145
18145
19145
20155
21155
22155
23155
24155
25155
26155
27155
28155
29155
30155
31155

Mercedes weather by month

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

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 36% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 13% of July, with mostly cloudy or overcast conditions the remaining 51%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14951
24951
34951
44852
54753
64852
74852
84753
94753
104852
114852
124753
134852
144852
154852
164951
175050
184951
194951
205050
215050
225050
235149
245050
255050
265149
275050
285149
295149
305149
315248

Chance of precipitation in July

Any precipitation

Mercedes gets around 48 mm of rain over 5.5 wet days in July, the driest month. 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 19% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
118
218
319
419
519
619
719
819
919
1019
1119
1219
1318
1418
1518
1617
1717
1817
1917
2016
2116
2216
2316
2416
2516
2616
2716
2817
2916
3016
3116

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the dry band about 93% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19262
29262
39262
49361
59361
69361
79271
89271
99271
109361
119361
129361
139361
149460
159460
169460
179460
189460
199460
209361
219361
229361
239361
249271
259271
269271
279271
289271
299271
309172
319172

Wind in July

Winds average 13 km/h in July.

Across July, 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 July

DaylightNight

Daylight runs from about 9 h 42 min at the start of July to 10 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 30 minutes over July. Sunrise moves from 8:10 AM to 7:57 AM, and sunset from 5:52 PM to 6:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.78:105:52
29.78:105:53
39.78:105:53
49.78:105:53
59.78:105:54
69.78:105:54
79.88:095:55
89.88:095:55
99.88:095:56
109.88:095:56
119.88:085:57
129.88:085:58
139.88:085:58
149.98:075:59
159.98:075:59
169.98:076:00
179.98:066:01
189.98:066:01
199.98:056:02
2010.08:056:03
2110.08:046:03
2210.08:046:04
2310.08:036:05
2410.08:026:05
2510.18:026:06
2610.18:016:07
2710.18:006:07
2810.18:006:08
2910.27:596:09
3010.27:586:10
3110.27:576:10

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 2.46 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 — July's 2.46 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.3Moderate
22.3Moderate
32.3Moderate
42.3Moderate
52.3Moderate
62.3Moderate
72.3Moderate
82.3Moderate
92.3Moderate
102.4Moderate
112.4Moderate
122.4Moderate
132.4Moderate
142.4Moderate
152.4Moderate
162.5Moderate
172.5Moderate
182.5Moderate
192.5Moderate
202.5Moderate
212.6Moderate
222.6Moderate
232.6Moderate
242.6Moderate
252.7Moderate
262.7Moderate
272.7Moderate
282.8Moderate
292.8Moderate
302.8Moderate
312.8Moderate
Planning a trip in July

Is July a good time to visit Mercedes?

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

4.8
Sightseeing
12th-best month of the year
0.0
Beach & pool
12th-best month of the year

July is a reasonable time to visit Mercedes for sightseeing.

What to pack for Mercedes in July

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

In July, Mercedes sees daytime highs around 15°C and nights near 5°C. Worth packing: a warm layer. About 6 days see rain.

a warm layer

UV index in Mercedes in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 3. 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 July

GoodModeratePoorUnhealthyVery unhealthy

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