General José de San Martín weather in July

In July, General José de San Martín sees average daytime highs of 21°C and overnight lows near 11°C, with 53 mm of rain across 6.5 wet days and about 10.5 hours of daylight. It is the 12th-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 21°C through the month. The sky is clear or mostly clear about 49% 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 General José de San Martín's 3rd-clearest and 4th-windiest month. For the whole year in context, see General José de San Martín's year-round climate.

Daytime high
21°
12th warmest
Overnight low
11°
1st coldest
Rainfall
53 mm
6.5 wet days
Daylight
10 h 30 min
7:48 AM – 6:17 PM
Cloud cover
45%
3rd clearest
Wind
13 km/h
4th windiest
Solar energy
3.09 kWh/m²
Travel score
7.3
out of 10

General José de San Martín is city in Chaco, Argentina.

Density
398/km²
people per km²

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 21°C through the month.

A typical July day in General José de San Martín reaches about 21°C in the afternoon and slips back to 11°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 29°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)
12112
22112
32112
42112
52112
62112
72112
82111
92111
102111
112111
122111
132111
142111
152111
162111
172111
182111
192111
202111
212111
222111
232211
242211
252211
262211
272211
282211
292211
302211
312211

How July really feels in General José de San Martín

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.

General José de San Martín 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
Jan33° / 22°11911.313.53.7
Feb32° / 22°12610.712.94.1
Mar30° / 20°1241112.25.0
Apr27° / 18°1511011.46.5
May23° / 14°948.910.77.1
Jun22° / 13°707.810.46.9
Jul21° / 11°536.510.57.3
Aug24° / 13°586.411.17.8
Sep26° / 15°87811.87.2
Oct28° / 18°15411.312.65.9
Nov30° / 19°16210.713.35.2
Dec32° / 21°15010.813.64.2

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 49% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 11% of July, with mostly cloudy or overcast conditions the remaining 39%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15248
25347
35347
45446
55545
65644
75743
85842
95941
105941
115941
125941
136040
146040
156139
166139
176238
186238
196238
206337
216337
226337
236436
246535
256535
266634
276634
286733
296634
306634
316634

Chance of precipitation in July

Any precipitation

General José de San Martín gets around 53 mm of rain over 6.5 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 21% and peaks near 25% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
125
225
325
424
524
624
723
823
923
1023
1122
1222
1322
1421
1521
1620
1720
1820
1920
2019
2119
2219
2319
2419
2519
2618
2718
2818
2918
3018
3118

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 60% of days. Sticky, muggy-or-worse air turns up on roughly 5% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
15217229
25317228
35317228
45417218
55517217
65517217
75517217
85517217
95717206
105717206
115717206
125817205
135917195
145917195
156016195
166216184
176216184
186316174
196317164
206317164
216417154
226418153
236418153
246419143
256419143
266420133
276321133
286421123
296222124
306322114
316322114

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 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
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2914light breeze
3014light breeze
3114light breeze

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 7:50 AM to 7:42 AM, and sunset from 6:11 PM to 6:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.47:506:11
210.47:506:12
310.47:506:12
410.47:506:12
510.47:506:13
610.47:506:13
710.47:506:14
810.47:506:14
910.47:506:14
1010.47:506:15
1110.47:506:15
1210.47:496:16
1310.47:496:16
1410.57:496:17
1510.57:496:17
1610.57:486:17
1710.57:486:18
1810.57:486:18
1910.57:486:19
2010.57:476:19
2110.67:476:20
2210.67:466:20
2310.67:466:21
2410.67:466:21
2510.67:456:22
2610.67:456:22
2710.67:446:23
2810.77:446:23
2910.77:436:24
3010.77:426:25
3110.77:426:25

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 3.09 kWh/m².

For context, solar energy here swings from a low near 2.65 kWh/m² to a high of 6.79 kWh/m² in January across the year — July's 3.09 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
12.7Moderate
22.7Moderate
32.7Moderate
42.8Moderate
52.8Moderate
62.8Moderate
72.8Moderate
82.9Moderate
92.9Moderate
102.9Moderate
113.0Moderate
123.0Moderate
133.0Moderate
143.0Moderate
153.1Moderate
163.1Moderate
173.1Moderate
183.1Moderate
193.2Moderate
203.2Moderate
213.2Moderate
223.3Moderate
233.3Moderate
243.3Moderate
253.3Moderate
263.4Moderate
273.4Moderate
283.4Moderate
293.5Moderate
303.5Moderate
313.5Moderate
Planning a trip in July

Is July a good time to visit General José de San Martín?

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

7.3
Sightseeing
2nd-best month of the year
4.7
Beach & pool
11th-best month of the year

July is one of the better times to visit General José de San Martín for general sightseeing.

What to pack for General José de San Martín in July

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

In July, General José de San Martín sees daytime highs around 21°C and nights near 11°C. Little to plan around — just the basics. About 7 days see rain.

UV index in General José de San Martín 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 General José de San Martín peaks around January 18 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 17 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 14Jul 17UV 4
UV index (midday)Level
Jan15Extreme
Feb14Extreme
Mar12Extreme
Apr8Very high
May6High
Jun5Moderate
Jul4Moderate
Aug5Moderate
Sep8Very high
Oct7Very high
Nov12Extreme
Dec13Extreme

Air quality in General José de San Martín 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 General José de San Martín is worst in September — around 22 µg/m³ PM2.5 (moderate), about 3.3× the cleanest month (May, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1321 µg/m³May 137 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb10Good
Mar10Good
Apr7Good
May7Good
Jun7Good
Jul10Good
Aug19Moderate
Sep22Moderate
Oct14Moderate
Nov10Good
Dec8Good
Location & terrain

Where is General José de San Martín?

General José de San Martín sits at 26.5°S, 59.3°W, 62 m above sea level, in Argentina. The nearest listed city is Machagai, 83 km away.

Topography around General José de San Martín

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of General José de San Martín.

Within 3 km, the terrain around General José de San Martín has only modest variations in elevation — a maximum elevation change of 13 m around an average of 75 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 27 m; within 80 km, only modest variations in elevation — a maximum elevation change of 54 m.

The land around General José de San Martín is covered by grassland (49%) and trees (28%) within 3 km, grassland (50%) and trees (47%) within 16 km, and trees (53%) and grassland (44%) within 80 km.

3 km
13 m
16 km
27 m
80 km
54 m
treesgrasslandcroplandartificial surfaceswetland
July weather nearby: Machagai 83 km · Pirané 92 km · Quitilipi 94 km · Fontana 103 km · Pilar 109 km · Resistencia 109 km · Tres Isletas 111 km · Barranqueras 112 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 General José de San Martín (-26.5364°, -59.3414°, elevation 62 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).