Arroyito weather in May

In May, Arroyito sees average daytime highs of 20°C and overnight lows near 11°C, with 40 mm of rain across 5.2 wet days and about 10.4 hours of daylight. It is the 9th-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 22°C in the first days to 18°C by the end. The sky is clear or mostly clear about 38% of the time in May, and the air most often feels dry.

Daylight stretches from about 10 h 48 min at the start of May to 10 h 06 min by month's end. Set against the rest of the year, May is Arroyito's 12th-clearest and 9th-windiest month. For the whole year in context, see Arroyito's year-round climate.

Daytime high
20°
9th warmest
Overnight low
11°
5th coldest
Rainfall
40 mm
5.2 wet days
Daylight
10 h 24 min
7:56 AM – 6:21 PM
Cloud cover
54%
12th clearest
Wind
11 km/h
9th windiest
Solar energy
2.87 kWh/m²
Travel score
7.1
out of 10

Arroyito is city in Córdoba, Argentina.

Density
978/km²
people per km²
Founded
1778

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 22°C in the first days to 18°C by the end.

A typical May day in Arroyito reaches about 20°C in the afternoon and slips back to 11°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 25°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)
12212
22212
32212
42212
52212
62212
72112
82112
92112
102112
112111
122111
132111
142011
152011
162011
172011
182011
192010
202010
211910
221910
231910
241910
25199
26199
27199
28199
29189
30189
31189

Arroyito weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 20°12510.313.84.9
Feb29° / 19°1211013.15.6
Mar27° / 17°1289.812.26.6
Apr24° / 14°868.111.37.4
May20° / 11°405.210.47.1
Jun17° / 213.1106.6
Jul17° / 142.710.26.6
Aug20° / 263.210.97.7
Sep23° / 11°41511.87.9
Oct25° / 14°1029.112.87.2
Nov28° / 16°115913.66.4
Dec30° / 19°13310.2145.2

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 38% of the time in May, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 14% of May, with mostly cloudy or overcast conditions the remaining 48%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15743
25644
35644
45644
55644
65545
75545
85446
95347
105347
115347
125248
135149
145050
155050
165050
174951
184951
194852
204951
214951
224951
235050
245050
255050
265149
275149
285149
295248
305347
315347

Chance of precipitation in May

Any precipitation

Arroyito gets around 40 mm of rain over 5.2 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 17% and peaks near 23% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
123
222
322
421
521
620
720
819
919
1018
1118
1218
1318
1417
1517
1617
1717
1817
1916
2016
2116
2215
2315
2415
2514
2614
2713
2813
2913
3012
3112

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 70% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
15619187
25619187
35818177
45818177
56018166
66018166
76218155
86318145
96318145
106518134
116518134
126718123
136718123
146917113
157017112
167116112
177116112
187215112
197314112
207414102
217513102
227612102
237612102
24781192
25781192
26801082
27801082
28821071
29821071
30831061
3184961

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 48 min at the start of May to 10 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 42 minutes over May. Sunrise moves from 7:46 AM to 8:06 AM, and sunset from 6:33 PM to 6:13 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.87:466:33
210.87:466:32
310.77:476:31
410.77:486:30
510.77:496:29
610.77:496:28
710.67:506:28
810.67:516:27
910.67:516:26
1010.57:526:25
1110.57:536:24
1210.57:536:23
1310.57:546:23
1410.57:556:22
1510.47:566:21
1610.47:566:21
1710.47:576:20
1810.47:586:19
1910.37:586:19
2010.37:596:18
2110.38:006:18
2210.38:006:17
2310.38:016:17
2410.28:026:16
2510.28:026:16
2610.28:036:15
2710.28:036:15
2810.28:046:14
2910.28:056:14
3010.18:056:14
3110.18:066:13

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 2.87 kWh/m².

For context, solar energy here swings from a low near 2.6 kWh/m² to a high of 7.08 kWh/m² in December across the year — May's 2.87 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.3Moderate
23.3Moderate
33.2Moderate
43.2Moderate
53.2Moderate
63.1Moderate
73.1Moderate
83.1Moderate
93.0Moderate
103.0Moderate
113.0Moderate
123.0Moderate
132.9Moderate
142.9Moderate
152.9Moderate
162.8Moderate
172.8Moderate
182.8Moderate
192.8Moderate
202.7Moderate
212.7Moderate
222.7Moderate
232.7Moderate
242.7Moderate
252.7Moderate
262.7Moderate
272.6Moderate
282.6Moderate
292.6Moderate
302.6Moderate
312.6Moderate
Planning a trip in May

Hazard calendar for Arroyito

In seasonPeak

None of Arroyito's seasonal hazards are active in May. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Arroyito'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 May a good time to visit Arroyito?

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

7.1
Sightseeing
5th-best month of the year
3.8
Beach & pool
9th-best month of the year

May is one of the better times to visit Arroyito for general sightseeing.

What to pack for Arroyito in May

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

In May, Arroyito sees daytime highs around 20°C and nights near 11°C. Little to plan around — just the basics. About 5 days see rain.

UV index in Arroyito 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 Arroyito peaks around January 18 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 3 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeModerateHighVery highExtremeJan 18UV 14Jun 21UV 3
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar11Extreme
Apr7High
May4Moderate
Jun3Moderate
Jul3Moderate
Aug5Moderate
Sep7High
Oct10Very high
Nov12Extreme
Dec13Extreme
Location & terrain

Where is Arroyito?

Arroyito sits at 31.4°S, 63.1°W, 147 m above sea level, in Argentina. The nearest listed city is Villa del Rosario, 48 km away.

Topography around Arroyito

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

Within 3 km, the terrain around Arroyito has only modest variations in elevation — a maximum elevation change of 35 m around an average of 153 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 62 m; within 80 km, significant variations in elevation — a maximum elevation change of 269 m.

The land around Arroyito is covered by cropland (51%) and artificial surfaces (20%) within 3 km, cropland (87%) within 16 km, and cropland (87%) within 80 km.

3 km
35 m
16 km
62 m
80 km
269 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Villa del Rosario 48 km · Las Varillas 59 km · Pilar 84 km · Río Segundo 86 km · San Francisco 92 km · Colonia Caroya 106 km · Cordoba 108 km · Jesús María 111 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 Arroyito (-31.4192°, -63.0508°, elevation 147 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).