Isidro Casanova weather in April

In April, Isidro Casanova sees average daytime highs of 22°C and overnight lows near 13°C, with 91 mm of rain across 7.9 wet days and about 11.2 hours of daylight. It is the 6th-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 24°C in the first days to 20°C by the end. The sky is clear or mostly clear about 44% of the time in April, and the air most often feels dry.

Daylight stretches from about 11 h 42 min at the start of April to 10 h 42 min by month's end. Set against the rest of the year, April is Isidro Casanova's 6th-clearest and 9th-windiest month. For the whole year in context, see Isidro Casanova's year-round climate.

Daytime high
22°
6th warmest
Overnight low
13°
7th coldest
Rainfall
91 mm
7.9 wet days
Daylight
11 h 06 min
7:21 AM – 6:28 PM
Cloud cover
50%
6th clearest
Wind
13 km/h
9th windiest
Solar energy
3.69 kWh/m²
Travel score
7.2
out of 10

Isidro Casanova is city in Buenos Aires Province, Argentina.

Density
6,761/km²
people per km²
Founded
1911

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 24°C in the first days to 20°C by the end.

A typical April day in Isidro Casanova reaches about 22°C in the afternoon and slips back to 13°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 27°C. Set against its neighbours, April runs about 4°C cooler than March and about 4°C warmer than May.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12415
22415
32415
42414
52314
62314
72314
82314
92314
102314
112314
122213
132213
142213
152213
162213
172213
182213
192213
202112
212112
222112
232112
242112
252112
262112
272112
282012
292012
302011

Isidro Casanova weather by month

How April compares with the rest of the year at a glance. April is the 6th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 19°877.414.16.3
Feb28° / 18°928.213.36.8
Mar26° / 17°857.412.37.4
Apr22° / 13°917.911.27.2
May18° / 10°616.110.26.4
Jun15° / 605.99.75.0
Jul14° / 606.19.94.6
Aug16° / 625.810.75.7
Sep18° / 726.711.86.4
Oct21° / 12°1099.112.96.7
Nov24° / 15°938.413.87.3
Dec27° / 17°858.614.36.8

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 13% of April, with mostly cloudy or overcast conditions the remaining 43%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16238
26139
36139
45941
55941
65743
75743
85644
95644
105644
115545
125545
135644
145644
155644
165644
175743
185743
195743
205842
215743
225743
235743
245743
255743
265743
275743
285644
295644
305644

Chance of precipitation in April

Any precipitation

Isidro Casanova gets around 91 mm of rain over 7.9 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 25% and peaks near 28% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
124
225
326
426
527
627
728
828
928
1028
1128
1227
1327
1426
1526
1625
1725
1824
1924
2024
2124
2224
2324
2423
2523
2623
2723
2823
2922
3022

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 46% of days. Sticky, muggy-or-worse air turns up on roughly 8% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1332526160
2332526150
3342626140
4352626140
5352625130
6362625120
7372625110
8392724100
9392724100
1041272391
1142272281
1243272181
1344282071
1445281971
1546281871
1647281861
1748281761
1849291651
1950291650
2051291550
2151291550
2253291440
2354281440
2454281440
2555281430
2656271430
2757261430
2857251530
2957251530
3059241520

Wind in April

Winds average 13 km/h in April.

Across April, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
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
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light breeze

Sunrise & sunset in April

DaylightNight

Daylight runs from about 11 h 42 min at the start of April to 10 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 60 minutes over April. Sunrise moves from 7:09 AM to 7:32 AM, and sunset from 6:49 PM to 6:11 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.77:096:49
211.67:106:48
311.67:106:46
411.67:116:45
511.57:126:44
611.57:136:42
711.57:146:41
811.47:146:39
911.47:156:38
1011.37:166:37
1111.37:176:35
1211.37:176:34
1311.27:186:32
1411.27:196:31
1511.27:206:30
1611.17:216:28
1711.17:216:27
1811.17:226:26
1911.07:236:25
2011.07:246:23
2111.07:256:22
2210.97:256:21
2310.97:266:20
2410.97:276:18
2510.87:286:17
2610.87:296:16
2710.87:306:15
2810.77:306:14
2910.77:316:12
3010.77:326:11

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 3.69 kWh/m².

For context, solar energy here swings from a low near 2.24 kWh/m² to a high of 7.47 kWh/m² in December across the year — April's 3.69 kWh/m² falls in the middle.

012345151015202530
Solar energy (kWh/m²)Level
14.3Bright
24.3Bright
34.2Bright
44.2Bright
54.1Bright
64.1Bright
74.0Bright
84.0Moderate
93.9Moderate
103.9Moderate
113.8Moderate
123.8Moderate
133.8Moderate
143.7Moderate
153.7Moderate
163.7Moderate
173.6Moderate
183.6Moderate
193.6Moderate
203.6Moderate
213.5Moderate
223.5Moderate
233.5Moderate
243.4Moderate
253.4Moderate
263.3Moderate
273.3Moderate
283.3Moderate
293.2Moderate
303.2Moderate
Planning a trip in April

Is April a good time to visit Isidro Casanova?

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

7.2
Sightseeing
3rd-best month of the year
5.0
Beach & pool
6th-best month of the year

April is one of the better times to visit Isidro Casanova for general sightseeing.

What to pack for Isidro Casanova in April

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

In April, Isidro Casanova sees daytime highs around 22°C and nights near 13°C. Worth packing: light clothes. About 8 days see rain.

light clothes

Sea temperature near Isidro Casanova in April

The nearest coast averages about 21°C in April — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 21 km away) is warmest in January at about 25°C and coldest in July near 13°C.

It's comfortable for a long swim from Nov 9 to Apr 20 — about 5.4 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swimcomfortable to swim
Sea temperature (°C)Comfort
Jan25Warm
Feb25Warm
Mar23Refreshing
Apr21Refreshing
May17Cool
Jun14Bracing
Jul13Bracing
Aug13Bracing
Sep15Cool
Oct18Cool
Nov21Refreshing
Dec23Refreshing

UV index in Isidro Casanova in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Isidro Casanova peaks around January 14 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateHighVery highExtremeJan 14UV 12Jun 19UV 3
UV index (midday)Level
Jan13Extreme
Feb11Extreme
Mar10Very high
Apr6High
May3Moderate
Jun3Moderate
Jul3Moderate
Aug4Moderate
Sep6High
Oct8Very high
Nov11Extreme
Dec12Extreme

Air quality in Isidro Casanova 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 Isidro Casanova is worst in June — around 25 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (December, 12 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateJun 2325 µg/m³Dec 1612 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb14Moderate
Mar16Moderate
Apr17Moderate
May22Moderate
Jun25Moderate
Jul25Moderate
Aug24Moderate
Sep19Moderate
Oct16Moderate
Nov13Moderate
Dec12Moderate
Location & terrain

Where is Isidro Casanova?

Isidro Casanova sits at 34.7°S, 58.6°W, 25 m above sea level, in Argentina. The nearest listed city is San Justo, 3.0 km away.

Topography around Isidro Casanova

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

Within 3 km, the terrain around Isidro Casanova has only modest variations in elevation — a maximum elevation change of 28 m around an average of 27 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 62 m; within 80 km, only modest variations in elevation — a maximum elevation change of 98 m.

The land around Isidro Casanova is covered by artificial surfaces (91%) within 3 km, artificial surfaces (63%) within 16 km, and grassland (31%) and cropland (25%) within 80 km.

3 km
28 m
16 km
62 m
80 km
98 m
treesgrasslandcroplandartificial surfaceswaterwetland
April weather nearby: San Justo 3.0 km · Morón 6.0 km · Haedo 6.0 km · Castelar 7.0 km · Villa Sarmiento 8.0 km · El Palomar 9.0 km · Villa Lugano 11 km · San Antonio de Padua 11 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 Isidro Casanova (-34.7°, -58.5874°, elevation 25 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. 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).