San Lorenzo weather in April

In April, San Lorenzo sees average daytime highs of 18°C and overnight lows near 11°C, with 216 mm of precipitation across 20 wet days and about 11.4 hours of daylight. It is the 8th-warmest and 6th-wettest month of the year here.

Highs ease over the month, from about 19°C in the first days to 18°C by the end. The sky is clear or mostly clear about 16% of the time in April, and the air most often feels dry.

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 San Lorenzo's 8th-clearest and 7th-windiest month. For the whole year in context, see San Lorenzo's year-round climate.

Daytime high
18°
8th warmest
Overnight low
11°
7th coldest
Precipitation
216 mm
20 wet days
Daylight
11 h 24 min
7:40 AM – 7:05 PM
Cloud cover
73%
8th clearest
Wind
5 km/h
7th windiest
Solar energy
3.96 kWh/m²
Travel score
4.5
out of 10

San Lorenzo is human settlement in Argentina.

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 19°C in the first days to 18°C by the end.

A typical April day in San Lorenzo reaches about 18°C in the afternoon and slips back to 11°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 22°C. Set against its neighbours, April runs about 2°C cooler than March and about 2°C warmer than May.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
11912
21912
31912
41912
51912
61912
71912
81911
91911
101911
111911
121911
131911
141911
151911
161911
171810
181810
191810
201810
211810
221810
231810
241810
251810
261810
27189
28189
29189
30179

San Lorenzo weather by month

How April compares with the rest of the year at a glance. April is the 8th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan23° / 14°33926.2013.44.2
Feb22° / 14°31524.1012.94.0
Mar20° / 13°34126.1012.23.9
Apr18° / 11°216200.111.44.5
May16° / 131150.310.84.5
Jun15° / 619.60.510.54.8
Jul15° / 447.80.810.65.1
Aug17° / 528.10.511.16.1
Sep19° / 8010.90.211.86.2
Oct20° / 10°17317.70.112.65.3
Nov21° / 12°23519013.25.0
Dec22° / 14°31423.5013.54.5

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 16% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 10% of April, with mostly cloudy or overcast conditions the remaining 74%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11783
21783
31783
41882
51981
61981
72179
82278
92278
102377
112575
122575
132674
142674
152773
162872
172971
182971
193070
203070
213070
223169
233169
243169
253169
263169
273268
283367
293367
303367

Chance of precipitation in April

Any precipitation

San Lorenzo gets around 216 mm of rain and snow over 20 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 66% and peaks near 79% on the wettest days, and about 0 day brings snow. The odds ease toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
179
278
377
476
575
674
772
871
970
1068
1167
1266
1365
1464
1563
1662
1762
1862
1961
2061
2161
2261
2361
2461
2561
2661
2761
2861
2961
3060

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the dry band about 64% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
1444015
2463915
3473915
4483814
5493814
6503713
7523612
8523612
9543511
10563410
1158339
1259329
1361318
1463307
1565296
1666295
1767285
1869274
1971263
2071263
2172253
2274242
2375232
2475232
2576222
2677212
2778211
2879201
2979201
3080191

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 7:33 AM to 7:46 AM, and sunset from 7:20 PM to 6:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.87:337:20
211.87:347:19
311.77:347:18
411.77:347:17
511.77:357:16
611.77:357:15
711.67:367:14
811.67:367:13
911.67:367:12
1011.67:377:11
1111.57:377:10
1211.57:387:09
1311.57:387:08
1411.57:397:07
1511.47:397:06
1611.47:407:05
1711.47:407:04
1811.47:407:03
1911.47:417:02
2011.37:417:01
2111.37:427:00
2211.37:426:59
2311.37:436:58
2411.27:436:57
2511.27:446:57
2611.27:446:56
2711.27:456:55
2811.27:456:54
2911.17:466:53
3011.17:466:53

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 3.96 kWh/m².

For context, solar energy here swings from a low near 3.56 kWh/m² to a high of 6.08 kWh/m² in November across the year — April's 3.96 kWh/m² sits near the bottom.

012345151015202530
Solar energy (kWh/m²)Level
14.1Bright
24.1Bright
34.1Bright
44.0Bright
54.0Bright
64.0Bright
74.0Bright
84.0Bright
94.0Bright
104.0Bright
114.0Bright
124.0Bright
134.0Bright
144.0Bright
154.0Bright
164.0Bright
174.0Bright
184.0Bright
194.0Moderate
204.0Moderate
214.0Moderate
223.9Moderate
233.9Moderate
243.9Moderate
253.9Moderate
263.9Moderate
273.8Moderate
283.8Moderate
293.8Moderate
303.8Moderate
Planning a trip in April

Hazard calendar for San Lorenzo

In seasonPeak

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

San Lorenzo's rainy season runs October–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 San Lorenzo?

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

4.5
Sightseeing
7th-best month of the year
1.7
Beach & pool
8th-best month of the year

April is a reasonable time to visit San Lorenzo for sightseeing.

What to pack for San Lorenzo in April

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

In April, San Lorenzo sees daytime highs around 18°C and nights near 11°C. Pack rain gear. About 20 days see rain.

rain gear

UV index in San Lorenzo in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in San Lorenzo peaks around January 16 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 16UV 16Jul 10UV 6
UV index (midday)Level
Jan16Extreme
Feb16Extreme
Mar14Extreme
Apr9Very high
May7Very high
Jun6High
Jul6High
Aug8Very high
Sep10Extreme
Oct13Extreme
Nov15Extreme
Dec16Extreme
Location & terrain

Where is San Lorenzo?

San Lorenzo sits at 24.7°S, 65.5°W, 1,335 m above sea level, in Argentina. The nearest listed city is Salta, 10 km away.

Topography around San Lorenzo

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

Within 3 km, the terrain around San Lorenzo has large variations in elevation — a maximum elevation change of 647 m around an average of 1,401 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,253 m; within 80 km, extreme variations in elevation — a maximum elevation change of 5,347 m.

The land around San Lorenzo is covered by trees (48%) and grassland (36%) within 3 km, trees (56%) and grassland (20%) within 16 km, and trees (41%), bare terrain (23%) and grassland (20%) within 80 km.

3 km
647 m
16 km
2,253 m
80 km
5,347 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
April weather nearby: Salta 10 km · San José de los Cerrillos 18 km · Rosario de Lerma 29 km · General Güemes 45 km · Palpalá 60 km · San Salvador de Jujuy 64 km · San Pedro de Jujuy 84 km · San José de Metán 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 San Lorenzo (-24.7362°, -65.4873°, elevation 1,335 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).