Libertador General San Martín weather in April

In April, Libertador General San Martín sees average daytime highs of 24°C and overnight lows near 15°C, with 196 mm of rain across 18.8 wet days and about 11.5 hours of daylight. It is the 8th-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 25°C in the first days to 22°C by the end. The sky is clear or mostly clear about 17% of the time in April, and the air most often feels humid.

Daylight stretches from about 11 h 48 min at the start of April to 11 h 06 min by month's end. Set against the rest of the year, April is Libertador General San Martín's 11th-clearest and 7th-windiest month. For the whole year in context, see Libertador General San Martín's year-round climate.

Daytime high
24°
8th warmest
Overnight low
15°
6th coldest
Rainfall
196 mm
18.8 wet days
Daylight
11 h 24 min
7:36 AM – 7:03 PM
Cloud cover
73%
11th clearest
Wind
5 km/h
7th windiest
Solar energy
3.72 kWh/m²
Travel score
5.3
out of 10

Libertador General San Martín is human settlement.

Founded
1899

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

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 25°C in the first days to 22°C by the end.

A typical April day in Libertador General San Martín reaches about 24°C in the afternoon and slips back to 15°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 28°C. Set against its neighbours, April runs about 3°C cooler than March and about 3°C warmer than May.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12517
22517
32517
42517
52416
62416
72416
82416
92416
102416
112416
122416
132415
142415
152415
162415
172415
182315
192315
202314
212314
222314
232314
242314
252314
262314
272314
282314
292213
302213

Libertador General San Martín weather by month

How April compares with the rest of the year at a glance. April is the 8th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 20°23217.513.34.4
Feb28° / 19°23917.712.84.7
Mar26° / 18°27520.712.24.8
Apr24° / 15°19618.811.55.3
May21° / 11°1011610.95.4
Jun19° / 5010.310.66.0
Jul19° / 316.610.76.9
Aug23° / 254.611.28.1
Sep26° / 11°366.311.97.6
Oct28° / 16°10311.512.66.0
Nov29° / 17°1651413.25.1
Dec29° / 19°24116.713.44.5

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 17% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 11% of April, with mostly cloudy or overcast conditions the remaining 72%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12377
22377
32377
42377
52377
62476
72476
82476
92575
102674
112674
122773
132872
142872
152872
162971
173070
183169
193169
203169
213169
223268
233268
243268
253268
263268
273268
283268
293268
303169

Chance of precipitation in April

Any precipitation

Libertador General San Martín gets around 196 mm of rain over 18.8 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 62% and peaks near 68% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
168
268
368
468
567
667
766
866
965
1064
1163
1262
1361
1460
1560
1659
1759
1859
1958
2058
2158
2258
2359
2459
2559
2659
2759
2859
2959
3059

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the humid band about 34% of days. Sticky, muggy-or-worse air turns up on roughly 28% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
131837357
241836357
341936347
442035337
552135337
652134327
762233326
872333316
982333306
1092432295
11102432285
12112532284
13132532264
14142533263
15152533252
16152534242
17162534231
18172534231
19182534221
20192534211
21202534211
22212534200
23222534190
24222434191
25232434181
26242434171
27252433171
28262433161
29272432161
30282432151

Wind in April

Winds average 5 km/h in April.

Across April, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 11 h 48 min at the start of April to 11 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 42 minutes over April. Sunrise moves from 7:30 AM to 7:42 AM, and sunset from 7:18 PM to 6:51 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.87:307:18
211.87:307:17
311.77:317:16
411.77:317:15
511.77:327:14
611.77:327:13
711.77:327:12
811.67:337:11
911.67:337:10
1011.67:347:09
1111.67:347:08
1211.57:347:07
1311.57:357:06
1411.57:357:05
1511.57:367:04
1611.47:367:03
1711.47:367:02
1811.47:377:01
1911.47:377:00
2011.47:386:59
2111.37:386:58
2211.37:396:57
2311.37:396:57
2411.37:396:56
2511.27:406:55
2611.27:406:54
2711.27:416:53
2811.27:416:52
2911.27:426:52
3011.17:426:51

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 3.72 kWh/m².

For context, solar energy here swings from a low near 3.36 kWh/m² to a high of 5.67 kWh/m² in December across the year — April's 3.72 kWh/m² sits near the bottom.

01234151015202530
Solar energy (kWh/m²)Level
13.9Moderate
23.9Moderate
33.9Moderate
43.8Moderate
53.8Moderate
63.8Moderate
73.8Moderate
83.8Moderate
93.8Moderate
103.8Moderate
113.8Moderate
123.8Moderate
133.8Moderate
143.8Moderate
153.8Moderate
163.8Moderate
173.8Moderate
183.8Moderate
193.8Moderate
203.8Moderate
213.7Moderate
223.7Moderate
233.7Moderate
243.7Moderate
253.7Moderate
263.6Moderate
273.6Moderate
283.6Moderate
293.6Moderate
303.6Moderate
Planning a trip in April

Hazard calendar for Libertador General San Martín

In seasonPeak

In April, Libertador General San Martín sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Libertador General San Martín's rainy season runs November–April, when most of the year's rain falls.

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

Is April a good time to visit Libertador General San Martín?

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

5.3
Sightseeing
7th-best month of the year
4.3
Beach & pool
9th-best month of the year

April is a reasonable time to visit Libertador General San Martín for sightseeing.

What to pack for Libertador General San Martín in April

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

In April, Libertador General San Martín sees daytime highs around 24°C and nights near 15°C. Pack rain gear. Worth having: light clothes. About 19 days see rain.

rain gearlight clothes

UV index in Libertador General San Martín in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Libertador General San Martín peaks around January 18 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 at about 5 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 18UV 15Jul 10UV 5
UV index (midday)Level
Jan15Extreme
Feb14Extreme
Mar13Extreme
Apr8Very high
May7High
Jun5High
Jul5High
Aug8Very high
Sep9Very high
Oct9Very high
Nov13Extreme
Dec14Extreme

Air quality in Libertador General San Martín in April

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where April falls, not just the annual average.

Air quality in Libertador General San Martín is worst in September — around 26 µg/m³ PM2.5 (moderate), about 5.6× the cleanest month (May, 5 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateSep 2326 µg/m³May 155 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb9Good
Mar7Good
Apr6Good
May5Good
Jun6Good
Jul8Good
Aug13Moderate
Sep26Moderate
Oct26Moderate
Nov19Moderate
Dec13Moderate
Location & terrain

Where is Libertador General San Martín?

Libertador General San Martín sits at 23.8°S, 64.8°W, 464 m above sea level, in Argentina. The nearest listed city is San Pedro de Jujuy, 47 km away.

Topography around Libertador General San Martín

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

Within 3 km, the terrain around Libertador General San Martín has significant variations in elevation — a maximum elevation change of 324 m around an average of 488 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,160 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,815 m.

The land around Libertador General San Martín is covered by cropland (45%), trees (27%) and artificial surfaces (21%) within 3 km, trees (64%) and cropland (29%) within 16 km, and trees (64%) within 80 km.

3 km
324 m
16 km
1,160 m
80 km
4,815 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
April weather nearby: San Pedro de Jujuy 47 km · Santa Rosa 60 km · Palpalá 65 km · San Salvador de Jujuy 66 km · Pichanal 81 km · San Ramón de la Nueva Orán 89 km · Embarcación 97 km · General Güemes 99 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 Libertador General San Martín (-23.8131°, -64.7935°, elevation 464 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).