Tres Isletas weather in July

In July, Tres Isletas sees average daytime highs of 22°C and overnight lows near 11°C, with 34 mm of rain across 5.6 wet days and about 10.5 hours of daylight. It is the 11th-warmest and 12th-wettest month of the year here.

Highs climb over the month, from about 21°C in the first days to 23°C by the end. The sky is clear or mostly clear about 50% of the time in July, and the air most often feels dry.

Daylight stretches from about 10 h 24 min at the start of July to 10 h 42 min by month's end. Set against the rest of the year, July is Tres Isletas's 3rd-clearest and 5th-windiest month. For the whole year in context, see Tres Isletas's year-round climate.

Daytime high
22°
11th warmest
Overnight low
11°
1st coldest
Rainfall
34 mm
5.6 wet days
Daylight
10 h 30 min
7:52 AM – 6:22 PM
Cloud cover
44%
3rd clearest
Wind
11 km/h
5th windiest
Solar energy
3.13 kWh/m²
Travel score
7.6
out of 10

Tres Isletas is human settlement.

Founded
1937

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

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 21°C in the first days to 23°C by the end.

A typical July day in Tres Isletas reaches about 22°C in the afternoon and slips back to 11°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 30°C. Set against its neighbours, July runs on par with June and about 3°C cooler than August.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12111
22111
32111
42111
52111
62111
72111
82111
92111
102111
112111
122111
132111
142110
152210
162210
172210
182210
192210
202210
212210
222210
232210
242210
252211
262211
272311
282311
292311
302311
312311

How July really feels in Tres Isletas

Once humidity and wind are folded in, July 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

July sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Tres Isletas weather by month

How July compares with the rest of the year at a glance. July is the 11th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan33° / 22°12811.413.53.3
Feb32° / 22°13311.112.93.9
Mar30° / 20°13811.412.24.9
Apr27° / 17°1219.411.46.6
May23° / 14°607.410.77.3
Jun22° / 12°446.810.47.1
Jul22° / 11°345.610.57.6
Aug25° / 12°414.711.18.1
Sep27° / 15°586.611.87.1
Oct30° / 18°12510.212.65.3
Nov31° / 19°1411013.34.7
Dec32° / 21°14411.113.63.7

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 50% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 12% of July, with mostly cloudy or overcast conditions the remaining 38%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15347
25347
35446
45446
55545
65644
75644
85743
95743
105842
115941
125941
136040
146040
156238
166238
176337
186337
196436
206436
216634
226634
236733
246733
256832
266832
276931
286931
296931
306931
316931

Chance of precipitation in July

Any precipitation

Tres Isletas gets around 34 mm of rain over 5.6 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 18% and peaks near 22% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
122
222
322
421
521
621
720
820
920
1020
1119
1219
1318
1418
1518
1617
1717
1817
1916
2016
2116
2216
2316
2416
2515
2615
2715
2814
2914
3014
3114

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 67% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
15617207
25817196
35817196
45817196
56017185
66017185
76017185
86216184
96216184
106316174
116416173
126516163
136516163
146517153
156617152
166717142
176717142
186817132
196917122
206917122
217017112
227116112
237216102
247216102
257216102
26731692
27731692
28751582
29751582
30751582
31751582

Wind in July

Winds average 11 km/h in July.

Across July, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2712calm
2812calm
2912calm
3012calm
3112calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 10 h 24 min at the start of July to 10 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over July. Sunrise moves from 7:54 AM to 7:46 AM, and sunset from 6:16 PM to 6:30 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.47:546:16
210.47:546:16
310.47:546:17
410.47:546:17
510.47:546:18
610.47:546:18
710.47:546:18
810.47:546:19
910.47:546:19
1010.47:546:20
1110.47:546:20
1210.57:536:20
1310.57:536:21
1410.57:536:21
1510.57:536:22
1610.57:526:22
1710.57:526:23
1810.57:526:23
1910.57:526:24
2010.57:516:24
2110.67:516:25
2210.67:506:25
2310.67:506:26
2410.67:506:26
2510.67:496:27
2610.67:496:27
2710.77:486:28
2810.77:486:28
2910.77:476:29
3010.77:476:29
3110.77:466:30

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 3.13 kWh/m².

For context, solar energy here swings from a low near 2.66 kWh/m² to a high of 6.74 kWh/m² in December across the year — July's 3.13 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
12.7Moderate
22.7Moderate
32.8Moderate
42.8Moderate
52.8Moderate
62.8Moderate
72.9Moderate
82.9Moderate
92.9Moderate
103.0Moderate
113.0Moderate
123.0Moderate
133.0Moderate
143.1Moderate
153.1Moderate
163.1Moderate
173.2Moderate
183.2Moderate
193.2Moderate
203.3Moderate
213.3Moderate
223.3Moderate
233.4Moderate
243.4Moderate
253.4Moderate
263.4Moderate
273.5Moderate
283.5Moderate
293.5Moderate
303.6Moderate
313.6Moderate
Planning a trip in July

Is July a good time to visit Tres Isletas?

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

7.6
Sightseeing
2nd-best month of the year
5.2
Beach & pool
11th-best month of the year

July is one of the better times to visit Tres Isletas for general sightseeing.

What to pack for Tres Isletas in July

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

In July, Tres Isletas sees daytime highs around 22°C and nights near 11°C. Little to plan around — just the basics. About 6 days see rain.

UV index in Tres Isletas in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July 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 Tres Isletas peaks around January 18 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighModerateHighVery highExtremeJan 18UV 14Jul 12UV 4
UV index (midday)Level
Jan15Extreme
Feb14Extreme
Mar12Extreme
Apr9Very high
May6High
Jun5Moderate
Jul4Moderate
Aug5High
Sep8Very high
Oct7High
Nov12Extreme
Dec13Extreme

Air quality in Tres Isletas 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 Tres Isletas is worst in August — around 31 µg/m³ PM2.5 (moderate), about 5.1× the cleanest month (April, 6 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodAug 2330 µg/m³Apr 236 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb10Good
Mar8Good
Apr6Good
May6Good
Jun7Good
Jul15Moderate
Aug31Moderate
Sep29Moderate
Oct18Moderate
Nov10Good
Dec9Good
Location & terrain

Where is Tres Isletas?

Tres Isletas sits at 26.3°S, 60.4°W, 102 m above sea level, in Argentina. The nearest listed city is Juan José Castelli, 48 km away.

Topography around Tres Isletas

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

Within 3 km, the terrain around Tres Isletas has only modest variations in elevation — a maximum elevation change of 11 m around an average of 99 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 20 m; within 80 km, only modest variations in elevation — a maximum elevation change of 61 m.

The land around Tres Isletas is covered by cropland (33%), grassland (32%) and trees (21%) within 3 km, trees (48%) and cropland (34%) within 16 km, and trees (61%) and cropland (24%) within 80 km.

3 km
11 m
16 km
20 m
80 km
61 m
treesshrubsgrasslandcroplandartificial surfaces
July weather nearby: Juan José Castelli 48 km · Presidencia Roque Sáenz Peña 50 km · Quitilipi 63 km · Machagai 75 km · Las Breñas 105 km · General José de San Martín 111 km · Charata 123 km · General Pinedo 138 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 Tres Isletas (-26.3407°, -60.4321°, elevation 102 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).