Tres Arroyos weather in July

In July, Tres Arroyos sees average daytime highs of 13°C and overnight lows near 4°C, with 38 mm of precipitation across 6.1 wet days and about 9.6 hours of daylight. It is the 12th-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 13°C through the month. The sky is clear or mostly clear about 34% of the time in July, and the air most often feels dry.

Daylight stretches from about 9 h 24 min at the start of July to 10 hours by month's end. Set against the rest of the year, July is Tres Arroyos's 11th-clearest and 6th-windiest month. For the whole year in context, see Tres Arroyos's year-round climate.

Daytime high: 13°; 12th warmest
Overnight low: 4°; 1st coldest
Precipitation: 38 mm; 6.1 wet days
Daylight: 9 h 36 min; 8:20 AM – 5:54 PM
Cloud cover: 58%; 11th clearest
Wind: 16 km/h; 6th windiest
Solar energy: 2.16 kWh/m²
Travel score: 3.8; out of 10

Tres Arroyos is city in Buenos Aires Province, Argentina.

Density: 3,139/km²; people per km²
Founded: 1884

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

← June Tres Arroyos year-round climate August →Best places to visit in July

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 13°C through the month.

A typical July day in Tres Arroyos reaches about 13°C in the afternoon and slips back to 4°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 8°C and 17°C. Set against its neighbours, July runs on par with June and about 2°C cooler than August.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Avg high (°C)	13	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13
Avg low (°C)	4	4	4	4	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	4	4	4	4	4	4	4	4	4	4

	Avg high (°C)	Avg low (°C)
1	13	4
2	12	4
3	12	4
4	12	4
5	12	3
6	12	3
7	12	3
8	12	3
9	12	3
10	12	3
11	12	3
12	12	3
13	12	3
14	12	3
15	12	3
16	12	3
17	13	3
18	13	3
19	13	3
20	13	3
21	13	3
22	13	4
23	13	4
24	13	4
25	13	4
26	13	4
27	13	4
28	13	4
29	13	4
30	13	4
31	13	4

How July really feels in Tres Arroyos

Once humidity and wind are folded in, July averages 0 days that feel above 32°C and 28 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C

heat index over the day's high

Days feeling ≤ 0°C

wind chill below the day's low

The story in July is cold — wind chill drags the overnight "feels like" below the raw low.

Tres Arroyos weather by month

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

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	28° / 15°	74	9.7	14.4	6.1
Feb	27° / 15°	75	8.3	13.5	6.9
Mar	25° / 13°	76	8.2	12.3	7.4
Apr	21° / 10°	64	7.2	11	6.9
May	17° / 7°	46	6.2	9.9	5.7
Jun	13° / 4°	33	5.2	9.4	4.2
Jul	13° / 4°	38	6.1	9.6	3.8
Aug	15° / 5°	47	5.8	10.5	4.9
Sep	17° / 6°	51	6.9	11.7	5.8
Oct	20° / 9°	78	9.4	13	6.4
Nov	23° / 11°	83	9.3	14.1	7.1
Dec	27° / 14°	78	8.8	14.6	6.9

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% 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 53%.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Clearer (%)	47	47	47	46	46	46	45	45	46	45	46	46	45	45	45	46	46	46	47	47	47	48	48	48	49	49	49	50	50	50	49
Cloudier (%)	53	53	53	54	54	54	55	55	54	55	54	54	55	55	55	54	54	54	53	53	53	52	52	52	51	51	51	50	50	50	51

	Clearer (%)	Cloudier (%)
1	47	53
2	47	53
3	47	53
4	46	54
5	46	54
6	46	54
7	45	55
8	45	55
9	46	54
10	45	55
11	46	54
12	46	54
13	45	55
14	45	55
15	45	55
16	46	54
17	46	54
18	46	54
19	47	53
20	47	53
21	47	53
22	48	52
23	48	52
24	48	52
25	49	51
26	49	51
27	49	51
28	50	50
29	50	50
30	50	50
31	49	51

Chance of precipitation in July

Any precipitation

Tres Arroyos gets around 38 mm of rain and snow over 6.1 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 20% and peaks near 22% on the wettest days, and about 0 day brings snow.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Rain chance (%)	18	18	19	19	19	19	20	20	21	21	21	21	22	22	22	22	22	21	21	21	20	20	19	19	19	18	18	18	18	18	17

	Rain chance (%)
1	18
2	18
3	19
4	19
5	19
6	19
7	20
8	20
9	21
10	21
11	21
12	21
13	22
14	22
15	22
16	22
17	22
18	21
19	21
20	21
21	20
22	20
23	19
24	19
25	19
26	18
27	18
28	18
29	18
30	18
31	17

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 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Dry (%)	99	99	99	99	99	99	99	99	99	99	99	99	99	99	99	99	99	99	99	99	99	99	99	99	99	99	99	99	99	99	99
Comfortable (%)	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1

	Dry (%)	Comfortable (%)
1	99	1
2	99	1
3	99	1
4	99	1
5	99	1
6	99	1
7	99	1
8	99	1
9	99	1
10	99	1
11	99	1
12	99	1
13	99	1
14	99	1
15	99	1
16	99	1
17	99	1
18	99	1
19	99	1
20	99	1
21	99	1
22	99	1
23	99	1
24	99	1
25	99	1
26	99	1
27	99	1
28	99	1
29	99	1
30	99	1
31	99	1

Wind in July

Winds average 16 km/h in July.

Across July, daily wind ranges from about 16 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Wind speed (km/h)	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16
Feels	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze

	Wind speed (km/h)	Feels
1	16	light breeze
2	16	light breeze
3	16	light breeze
4	16	light breeze
5	16	light breeze
6	16	light breeze
7	16	light breeze
8	16	light breeze
9	16	light breeze
10	16	light breeze
11	16	light breeze
12	16	light breeze
13	16	light breeze
14	16	light breeze
15	16	light breeze
16	16	light breeze
17	16	light breeze
18	16	light breeze
19	16	light breeze
20	16	light breeze
21	16	light breeze
22	16	light breeze
23	16	light breeze
24	16	light breeze
25	16	light breeze
26	16	light breeze
27	16	light breeze
28	16	light breeze
29	16	light breeze
30	16	light breeze
31	16	light breeze

Sunrise & sunset in July

DaylightNight

Daylight runs from about 9 h 24 min at the start of July to 10 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 36 minutes over July. Sunrise moves from 8:24 AM to 8:09 AM, and sunset from 5:45 PM to 6:06 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Daylight (h)	9.4	9.4	9.4	9.4	9.4	9.4	9.4	9.4	9.4	9.5	9.5	9.5	9.5	9.5	9.6	9.6	9.6	9.6	9.6	9.7	9.7	9.7	9.7	9.8	9.8	9.8	9.8	9.9	9.9	9.9	10.0
Sunrise (AM)	8:24	8:24	8:24	8:23	8:23	8:23	8:23	8:23	8:22	8:22	8:22	8:21	8:21	8:21	8:20	8:20	8:19	8:19	8:18	8:17	8:17	8:16	8:15	8:15	8:14	8:13	8:12	8:11	8:10	8:10	8:09
Sunset (PM)	5:45	5:46	5:46	5:46	5:47	5:48	5:48	5:49	5:49	5:50	5:50	5:51	5:52	5:52	5:53	5:54	5:55	5:55	5:56	5:57	5:58	5:58	5:59	6:00	6:01	6:02	6:02	6:03	6:04	6:05	6:06

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	9.4	8:24	5:45
2	9.4	8:24	5:46
3	9.4	8:24	5:46
4	9.4	8:23	5:46
5	9.4	8:23	5:47
6	9.4	8:23	5:48
7	9.4	8:23	5:48
8	9.4	8:23	5:49
9	9.4	8:22	5:49
10	9.5	8:22	5:50
11	9.5	8:22	5:50
12	9.5	8:21	5:51
13	9.5	8:21	5:52
14	9.5	8:21	5:52
15	9.6	8:20	5:53
16	9.6	8:20	5:54
17	9.6	8:19	5:55
18	9.6	8:19	5:55
19	9.6	8:18	5:56
20	9.7	8:17	5:57
21	9.7	8:17	5:58
22	9.7	8:16	5:58
23	9.7	8:15	5:59
24	9.8	8:15	6:00
25	9.8	8:14	6:01
26	9.8	8:13	6:02
27	9.8	8:12	6:02
28	9.9	8:11	6:03
29	9.9	8:10	6:04
30	9.9	8:10	6:05
31	10.0	8:09	6:06

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 2.16 kWh/m².

For context, solar energy here swings from a low near 1.95 kWh/m² to a high of 7.77 kWh/m² in December across the year — July's 2.16 kWh/m² sits near the bottom.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Solar energy (kWh/m²)	2.0	2.0	2.0	2.0	2.0	2.0	2.0	2.0	2.0	2.0	2.1	2.1	2.1	2.1	2.1	2.1	2.2	2.2	2.2	2.2	2.3	2.3	2.3	2.3	2.4	2.4	2.4	2.4	2.5	2.5	2.5
Level	Dim	Dim	Dim	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate

	Solar energy (kWh/m²)	Level
1	2.0	Dim
2	2.0	Dim
3	2.0	Dim
4	2.0	Moderate
5	2.0	Moderate
6	2.0	Moderate
7	2.0	Moderate
8	2.0	Moderate
9	2.0	Moderate
10	2.0	Moderate
11	2.1	Moderate
12	2.1	Moderate
13	2.1	Moderate
14	2.1	Moderate
15	2.1	Moderate
16	2.1	Moderate
17	2.2	Moderate
18	2.2	Moderate
19	2.2	Moderate
20	2.2	Moderate
21	2.3	Moderate
22	2.3	Moderate
23	2.3	Moderate
24	2.3	Moderate
25	2.4	Moderate
26	2.4	Moderate
27	2.4	Moderate
28	2.4	Moderate
29	2.5	Moderate
30	2.5	Moderate
31	2.5	Moderate

Planning a trip in July

Is July a good time to visit Tres Arroyos?

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

3.8

Sightseeing

12th-best month of the year

0.0

Beach & pool

12th-best month of the year

July is a weaker month for outdoor sightseeing in Tres Arroyos.

What to pack for Tres Arroyos in July

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

In July, Tres Arroyos sees daytime highs around 13°C and nights near 4°C. Worth packing: a warm layer. About 6 days see rain.

a warm layer

Sea temperature near Tres Arroyos in July

The nearest coast averages about 10°C in July — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 56 km away) is warmest in February at about 21°C and coldest in August near 10°C.

It's comfortable for a long swim from Jan 8 to Mar 21 — about 2.4 months when the water holds above 20°C.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sea temperature (°C)	21	21	20	18	15	12	10	10	11	13	16	18
Comfort	Refreshing	Refreshing	Refreshing	Cool	Cool	Bracing	Bracing	Bracing	Bracing	Bracing	Cool	Cool

	Sea temperature (°C)	Comfort
Jan	21	Refreshing
Feb	21	Refreshing
Mar	20	Refreshing
Apr	18	Cool
May	15	Cool
Jun	12	Bracing
Jul	10	Bracing
Aug	10	Bracing
Sep	11	Bracing
Oct	13	Bracing
Nov	16	Cool
Dec	18	Cool

UV index in Tres Arroyos in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 2. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Tres Arroyos peaks around December 20 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	12	12	8	6	3	2	2	3	5	7	10	13
Level	Extreme	Extreme	Very high	High	Moderate	Low	Moderate	Moderate	Moderate	Very high	Very high	Extreme

	UV index (midday)	Level
Jan	12	Extreme
Feb	12	Extreme
Mar	8	Very high
Apr	6	High
May	3	Moderate
Jun	2	Low
Jul	2	Moderate
Aug	3	Moderate
Sep	5	Moderate
Oct	7	Very high
Nov	10	Very high
Dec	13	Extreme

Location & terrain

Where is Tres Arroyos?

Tres Arroyos sits at 38.4°S, 60.3°W, 100 m above sea level, in Argentina. The nearest listed city is Benito Juárez, 89 km away.

Topography around Tres Arroyos

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

Within 3 km, the terrain around Tres Arroyos has only modest variations in elevation — a maximum elevation change of 21 m around an average of 109 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 93 m; within 80 km, significant variations in elevation — a maximum elevation change of 268 m.

The land around Tres Arroyos is covered by artificial surfaces (43%) and grassland (41%) within 3 km, cropland (81%) within 16 km, and cropland (61%) and grassland (28%) within 80 km.

3 km

21 m

artificial surfaces 43%

16 km

93 m

cropland 81%

80 km

268 m

cropland 61%

treesgrasslandcroplandartificial surfacesbare terrainwater

← June Tres Arroyos year-round climate August →Best places to visit in July

July weather nearby: Benito Juárez 89 km · Coronel Pringles 104 km · Necochea 135 km · Tandil 154 km · Olavarría 165 km · Punta Alta 166 km · Bahía Blanca 177 km · Coronel Suárez 178 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

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 Arroyos (-38.3769°, -60.2756°, elevation 100 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).

	Avg high (°C)	Avg low (°C)
1	13	4
2	12	4
3	12	4
4	12	4
5	12	3
6	12	3
7	12	3
8	12	3
9	12	3
10	12	3
11	12	3
12	12	3
13	12	3
14	12	3
15	12	3
16	12	3
17	13	3
18	13	3
19	13	3
20	13	3
21	13	3
22	13	4
23	13	4
24	13	4
25	13	4
26	13	4
27	13	4
28	13	4
29	13	4
30	13	4
31	13	4

	Clearer (%)	Cloudier (%)
1	47	53
2	47	53
3	47	53
4	46	54
5	46	54
6	46	54
7	45	55
8	45	55
9	46	54
10	45	55
11	46	54
12	46	54
13	45	55
14	45	55
15	45	55
16	46	54
17	46	54
18	46	54
19	47	53
20	47	53
21	47	53
22	48	52
23	48	52
24	48	52
25	49	51
26	49	51
27	49	51
28	50	50
29	50	50
30	50	50
31	49	51

	Rain chance (%)
1	18
2	18
3	19
4	19
5	19
6	19
7	20
8	20
9	21
10	21
11	21
12	21
13	22
14	22
15	22
16	22
17	22
18	21
19	21
20	21
21	20
22	20
23	19
24	19
25	19
26	18
27	18
28	18
29	18
30	18
31	17

	Dry (%)	Comfortable (%)
1	99	1
2	99	1
3	99	1
4	99	1
5	99	1
6	99	1
7	99	1
8	99	1
9	99	1
10	99	1
11	99	1
12	99	1
13	99	1
14	99	1
15	99	1
16	99	1
17	99	1
18	99	1
19	99	1
20	99	1
21	99	1
22	99	1
23	99	1
24	99	1
25	99	1
26	99	1
27	99	1
28	99	1
29	99	1
30	99	1
31	99	1

	Avg high (°C)	Avg low (°C)
1	13	4
2	12	4
3	12	4
4	12	4
5	12	3
6	12	3
7	12	3
8	12	3
9	12	3
10	12	3
11	12	3
12	12	3
13	12	3
14	12	3
15	12	3
16	12	3
17	13	3
18	13	3
19	13	3
20	13	3
21	13	3
22	13	4
23	13	4
24	13	4
25	13	4
26	13	4
27	13	4
28	13	4
29	13	4
30	13	4
31	13	4

	Clearer (%)	Cloudier (%)
1	47	53
2	47	53
3	47	53
4	46	54
5	46	54
6	46	54
7	45	55
8	45	55
9	46	54
10	45	55
11	46	54
12	46	54
13	45	55
14	45	55
15	45	55
16	46	54
17	46	54
18	46	54
19	47	53
20	47	53
21	47	53
22	48	52
23	48	52
24	48	52
25	49	51
26	49	51
27	49	51
28	50	50
29	50	50
30	50	50
31	49	51

	Rain chance (%)
1	18
2	18
3	19
4	19
5	19
6	19
7	20
8	20
9	21
10	21
11	21
12	21
13	22
14	22
15	22
16	22
17	22
18	21
19	21
20	21
21	20
22	20
23	19
24	19
25	19
26	18
27	18
28	18
29	18
30	18
31	17

	Dry (%)	Comfortable (%)
1	99	1
2	99	1
3	99	1
4	99	1
5	99	1
6	99	1
7	99	1
8	99	1
9	99	1
10	99	1
11	99	1
12	99	1
13	99	1
14	99	1
15	99	1
16	99	1
17	99	1
18	99	1
19	99	1
20	99	1
21	99	1
22	99	1
23	99	1
24	99	1
25	99	1
26	99	1
27	99	1
28	99	1
29	99	1
30	99	1
31	99	1

	Avg high (°C)	Avg low (°C)
1	13	4
2	12	4
3	12	4
4	12	4
5	12	3
6	12	3
7	12	3
8	12	3
9	12	3
10	12	3
11	12	3
12	12	3
13	12	3
14	12	3
15	12	3
16	12	3
17	13	3
18	13	3
19	13	3
20	13	3
21	13	3
22	13	4
23	13	4
24	13	4
25	13	4
26	13	4
27	13	4
28	13	4
29	13	4
30	13	4
31	13	4

	Clearer (%)	Cloudier (%)
1	47	53
2	47	53
3	47	53
4	46	54
5	46	54
6	46	54
7	45	55
8	45	55
9	46	54
10	45	55
11	46	54
12	46	54
13	45	55
14	45	55
15	45	55
16	46	54
17	46	54
18	46	54
19	47	53
20	47	53
21	47	53
22	48	52
23	48	52
24	48	52
25	49	51
26	49	51
27	49	51
28	50	50
29	50	50
30	50	50
31	49	51

	Rain chance (%)
1	18
2	18
3	19
4	19
5	19
6	19
7	20
8	20
9	21
10	21
11	21
12	21
13	22
14	22
15	22
16	22
17	22
18	21
19	21
20	21
21	20
22	20
23	19
24	19
25	19
26	18
27	18
28	18
29	18
30	18
31	17

	Dry (%)	Comfortable (%)
1	99	1
2	99	1
3	99	1
4	99	1
5	99	1
6	99	1
7	99	1
8	99	1
9	99	1
10	99	1
11	99	1
12	99	1
13	99	1
14	99	1
15	99	1
16	99	1
17	99	1
18	99	1
19	99	1
20	99	1
21	99	1
22	99	1
23	99	1
24	99	1
25	99	1
26	99	1
27	99	1
28	99	1
29	99	1
30	99	1
31	99	1