General José de San Martín weather in March

In March, General José de San Martín sees average daytime highs of 30°C and overnight lows near 20°C, with 124 mm of rain across 11 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 6th-wettest month of the year here.

Highs ease over the month, from about 31°C in the first days to 29°C by the end. The sky is clear or mostly clear about 44% of the time in March, and the air most often feels oppressive.

Daylight stretches from about 12 h 36 min at the start of March to 11 h 48 min by month's end. Set against the rest of the year, March is General José de San Martín's 5th-clearest and 12th-windiest month. For the whole year in context, see General José de San Martín's year-round climate.

Daytime high
30°
4th warmest
Overnight low
20°
9th coldest
Rainfall
124 mm
11 wet days
Daylight
12 h 12 min
7:01 AM – 7:13 PM
Cloud cover
49%
5th clearest
Wind
11 km/h
12th windiest
Solar energy
5.2 kWh/m²
Travel score
5.0
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 March

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 31°C in the first days to 29°C by the end.

A typical March day in General José de San Martín reaches about 30°C in the afternoon and slips back to 20°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 35°C. Set against its neighbours, March runs about 2°C cooler than February and about 3°C warmer than April.

10°20°30°40°151015202531
Avg high (°C)Avg low (°C)
13122
23122
33121
43121
53121
63121
73121
83121
93121
103121
113121
123121
133121
143021
153021
163021
173020
183020
193020
203020
213020
223020
232920
242920
252920
262919
272919
282919
292919
302919
312919

How March really feels in General José de San Martín

Once humidity and wind are folded in, March averages 15 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
15
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in March is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

General José de San Martín weather by month

How March compares with the rest of the year at a glance. March is the 4th-warmest and 6th-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 March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 44% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 14% of March, with mostly cloudy or overcast conditions the remaining 41%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15941
25941
35941
46040
56040
66040
75941
85941
95941
105941
115842
125842
135743
145743
155743
165743
175743
185743
195743
205842
215941
225941
235941
245941
255941
265941
275941
285941
295941
305941
315842

Chance of precipitation in March

Any precipitation

General José de San Martín gets around 124 mm of rain over 11 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 35% and peaks near 39% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
139
239
338
438
538
638
738
837
937
1037
1137
1236
1336
1436
1536
1636
1736
1836
1935
2035
2134
2234
2333
2433
2533
2633
2732
2832
2932
3032
3132

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, March lands in the oppressive band about 37% of days. Sticky, muggy-or-worse air turns up on roughly 73% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1151328448
2151329448
3151429438
4151430438
5151431437
6141431427
7141432427
8141432426
9141432426
10151433426
11151533425
12151533424
13151533424
14161633423
15161633413
16171733402
17171733392
18181833382
19281933372
20291933351
21292033341
223102033331
233102133321
243102134311
254102134301
264112234291
274112234281
284112234281
295112233271
305112233271
316122232262

Wind in March

Winds average 11 km/h in March, the calmest month.

Across March, daily wind ranges from about 11 km/h on the calmest days to 11 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
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in March

DaylightNight

Daylight runs from about 12 h 36 min at the start of March to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 48 minutes over March. Sunrise moves from 6:53 AM to 7:09 AM, and sunset from 7:28 PM to 6:56 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.66:537:28
212.66:547:27
312.56:547:26
412.56:557:25
512.56:557:24
612.56:567:23
712.46:567:22
812.46:577:21
912.46:577:20
1012.46:587:19
1112.36:597:18
1212.36:597:17
1312.37:007:16
1412.27:007:15
1512.27:017:14
1612.27:017:13
1712.27:027:12
1812.17:027:11
1912.17:037:10
2012.17:037:08
2112.17:047:07
2212.07:047:06
2312.07:057:05
2412.07:057:04
2512.07:067:03
2611.97:067:02
2711.97:077:01
2811.97:076:59
2911.87:086:58
3011.87:086:57
3111.87:096:56

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 5.2 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 — March's 5.2 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.6Bright
45.6Bright
55.6Bright
65.5Bright
75.5Bright
85.5Bright
95.4Bright
105.4Bright
115.3Bright
125.3Bright
135.3Bright
145.2Bright
155.2Bright
165.2Bright
175.1Bright
185.1Bright
195.1Bright
205.0Bright
215.0Bright
225.0Bright
234.9Bright
244.9Bright
254.8Bright
264.8Bright
274.8Bright
284.7Bright
294.7Bright
304.7Bright
314.6Bright
Planning a trip in March

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

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

5.0
Sightseeing
9th-best month of the year
6.8
Beach & pool
3rd-best month of the year

March is a reasonable time to visit General José de San Martín for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for General José de San Martín in March

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

In March, General José de San Martín sees daytime highs around 30°C and nights near 20°C. Pack light clothes. Worth having: rain gear and sun protection. About 11 days see rain.

light clothesrain gearsun protection

UV index in General José de San Martín in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 12 (very high — sun protection essential). 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 March

GoodModeratePoorUnhealthyVery unhealthy

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