Casilda weather in May

In May, Casilda sees average daytime highs of 19°C and overnight lows near 10°C, with 64 mm of rain across 5.8 wet days and about 10.3 hours of daylight. It is the 9th-warmest and 8th-wettest month of the year here.

Highs ease over the month, from about 21°C in the first days to 18°C by the end. The sky is clear or mostly clear about 37% of the time in May, and the air most often feels dry.

Daylight stretches from about 10 h 42 min at the start of May to 10 hours by month's end. Set against the rest of the year, May is Casilda's 12th-clearest and 9th-windiest month. For the whole year in context, see Casilda's year-round climate.

Daytime high
19°
9th warmest
Overnight low
10°
5th coldest
Rainfall
64 mm
5.8 wet days
Daylight
10 h 18 min
7:52 AM – 6:10 PM
Cloud cover
55%
12th clearest
Wind
11 km/h
9th windiest
Solar energy
2.8 kWh/m²
Travel score
6.8
out of 10

Casilda is city in the province of Santa Fe, Argentina.

Density
83/km²
people per km²

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 21°C in the first days to 18°C by the end.

A typical May day in Casilda reaches about 19°C in the afternoon and slips back to 10°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 24°C. Set against its neighbours, May runs about 4°C cooler than April and about 3°C warmer than June.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12111
22111
32111
42111
52111
62111
72111
82111
92011
102011
112010
122010
132010
142010
151910
161910
171910
181910
191910
201910
21199
22189
23189
24189
25189
26189
27189
28188
29188
30188
31178

Casilda weather by month

How May compares with the rest of the year at a glance. May is the 9th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 19°1078.813.95.6
Feb28° / 18°1108.513.26.2
Mar27° / 16°1278.412.37.1
Apr23° / 13°998.211.27.3
May19° / 10°645.810.36.8
Jun16° / 324.29.95.9
Jul16° / 304.6105.7
Aug18° / 494.610.86.9
Sep21° / 545.811.87.3
Oct24° / 13°1089.312.87.2
Nov27° / 15°1148.613.77.0
Dec29° / 17°1128.714.16.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 37% of the time in May, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 12% of May, with mostly cloudy or overcast conditions the remaining 51%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15446
25446
35446
45347
55347
65347
75149
85149
95149
105050
114951
124951
134852
144852
154753
164654
174753
184654
194654
204654
214654
224555
234654
244654
254654
264753
274852
284852
294951
305050
315050

Chance of precipitation in May

Any precipitation

Casilda gets around 64 mm of rain over 5.8 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 19% and peaks near 24% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
124
224
323
423
522
622
721
820
920
1019
1119
1219
1319
1419
1518
1618
1718
1818
1918
2018
2118
2218
2317
2417
2517
2617
2716
2816
2916
3015
3115

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the dry band about 72% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
16120145
26219145
36318145
46318145
56418135
66518134
76618124
86717124
96817114
106917103
117017103
127017103
13711793
14711793
15711793
16721792
17731692
18731692
19741592
20741592
21751492
22761392
23771292
24771292
25791182
26791182
27801082
28811072
29811072
3083962
3183962

Wind in May

Winds average 11 km/h in May.

Across May, 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 May

DaylightNight

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

Days shrink by about 42 minutes over May. Sunrise moves from 7:41 AM to 8:02 AM, and sunset from 6:23 PM to 6:02 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.77:416:23
210.77:416:22
310.67:426:21
410.67:436:20
510.67:446:19
610.67:446:18
710.57:456:17
810.57:466:16
910.57:476:15
1010.57:476:15
1110.47:486:14
1210.47:496:13
1310.47:506:12
1410.47:506:11
1510.37:516:11
1610.37:526:10
1710.37:536:09
1810.37:536:09
1910.27:546:08
2010.27:556:07
2110.27:556:07
2210.27:566:06
2310.17:576:06
2410.17:586:05
2510.17:586:05
2610.17:596:04
2710.18:006:04
2810.08:006:03
2910.08:016:03
3010.08:016:02
3110.08:026:02

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 2.8 kWh/m².

For context, solar energy here swings from a low near 2.41 kWh/m² to a high of 7.32 kWh/m² in December across the year — May's 2.8 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.3Moderate
23.2Moderate
33.2Moderate
43.2Moderate
53.1Moderate
63.1Moderate
73.1Moderate
83.0Moderate
93.0Moderate
103.0Moderate
113.0Moderate
122.9Moderate
132.9Moderate
142.8Moderate
152.8Moderate
162.8Moderate
172.7Moderate
182.7Moderate
192.7Moderate
202.7Moderate
212.6Moderate
222.6Moderate
232.6Moderate
242.6Moderate
252.6Moderate
262.5Moderate
272.5Moderate
282.5Moderate
292.5Moderate
302.5Moderate
312.5Moderate
Planning a trip in May

Is May a good time to visit Casilda?

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

6.8
Sightseeing
7th-best month of the year
3.1
Beach & pool
9th-best month of the year

May is a reasonable time to visit Casilda for sightseeing.

What to pack for Casilda in May

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

In May, Casilda sees daytime highs around 19°C and nights near 10°C. Little to plan around — just the basics. About 6 days see rain.

UV index in Casilda in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May 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 Casilda peaks around January 15 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateHighVery highExtremeJan 15UV 13Jun 20UV 3
UV index (midday)Level
Jan14Extreme
Feb12Extreme
Mar10Very high
Apr6High
May4Moderate
Jun3Moderate
Jul3Moderate
Aug4Moderate
Sep6High
Oct9Very high
Nov11Extreme
Dec12Extreme
Location & terrain

Where is Casilda?

Casilda sits at 33.0°S, 61.2°W, 73 m above sea level, in Argentina. The nearest listed city is Carcarañá, 21 km away.

Topography around Casilda

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

Within 3 km, the terrain around Casilda has only modest variations in elevation — a maximum elevation change of 23 m around an average of 72 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 61 m; within 80 km, only modest variations in elevation — a maximum elevation change of 133 m.

The land around Casilda is covered by cropland (60%) and artificial surfaces (27%) within 3 km, cropland (95%) within 16 km, and cropland (81%) within 80 km.

3 km
23 m
16 km
61 m
80 km
133 m
treesgrasslandcroplandartificial surfaceswaterwetland
May weather nearby: Carcarañá 21 km · Cañada de Gómez 33 km · Pérez 37 km · Granadero Baigorria 47 km · Capitán Bermúdez 48 km · Gobernador Gálvez 49 km · Rosario 50 km · Firmat 55 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 Casilda (-33.0446°, -61.1642°, elevation 73 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).