Avellaneda weather in May

In May, Avellaneda sees average daytime highs of 22°C and overnight lows near 13°C, with 84 mm of rain across 7.4 wet days and about 10.6 hours of daylight. It is the 10th-warmest and 9th-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 36% of the time in May, and the air most often feels dry.

Daylight stretches from about 10 h 54 min at the start of May to 10 h 18 min by month's end. Set against the rest of the year, May is Avellaneda's 11th-clearest and 8th-windiest month. For the whole year in context, see Avellaneda's year-round climate.

Daytime high
22°
10th warmest
Overnight low
13°
5th coldest
Rainfall
84 mm
7.4 wet days
Daylight
10 h 30 min
7:38 AM – 6:11 PM
Cloud cover
55%
11th clearest
Wind
12 km/h
8th windiest
Solar energy
3 kWh/m²
Travel score
7.1
out of 10

Avellaneda is town in Santa Fe Province, Argentina.

Density
25/km²
people per km²
Founded
1879

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

A typical May day in Avellaneda 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 17°C and 28°C. Set against its neighbours, May runs about 4°C cooler than April and about 2°C warmer than June.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12415
22414
32414
42414
52314
62314
72314
82314
92314
102314
112314
122313
132213
142213
152213
162213
172213
182213
192213
202113
212112
222112
232112
242112
252112
262112
272112
282112
292012
302011
312011

How May really feels in Avellaneda

Once humidity and wind are folded in, May averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Avellaneda weather by month

How May compares with the rest of the year at a glance. May is the 10th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 21°13910.513.74.3
Feb31° / 21°1209.7134.7
Mar29° / 19°1259.612.25.7
Apr26° / 16°1479.411.37.0
May22° / 13°847.410.67.1
Jun20° / 11°67710.26.7
Jul19° / 465.510.37.1
Aug22° / 11°645.7117.7
Sep24° / 13°927.111.87.7
Oct26° / 16°14710.612.76.7
Nov28° / 18°1419.213.56.1
Dec31° / 20°1559.913.84.8

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 36% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 14% of May, with mostly cloudy or overcast conditions the remaining 50%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15446
25446
35446
45347
55347
65347
75347
85248
95248
105248
115149
125149
135050
145050
154951
164951
174852
184753
194753
204753
214753
224753
234753
244753
254852
264852
274951
284852
294951
304852
314951

Chance of precipitation in May

Any precipitation

Avellaneda gets around 84 mm of rain over 7.4 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 24% and peaks near 27% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
127
227
327
426
526
625
725
825
924
1024
1123
1223
1323
1423
1523
1623
1723
1823
1923
2023
2123
2223
2323
2423
2522
2622
2722
2822
2922
3022
3122

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 48% of days. Sticky, muggy-or-worse air turns up on roughly 15% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1372019176
2382019176
3392018176
4402018176
5412018165
6412018165
7422018164
8422118154
9432118154
10432118143
11442118143
12442119132
13452119132
14452119122
15462119121
16472119121
17482119111
18492119111
19502019101
20512018101
2152201891
2253201791
2355191781
2455191682
2556191582
2657181582
2758181482
2859181382
2960181372
3060181282
3160181282

Wind in May

Winds average 12 km/h in May.

Across May, daily wind ranges from about 11 km/h on the calmest days to 12 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
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2612calm
2712calm
2812calm
2912calm
3012calm
3112calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 10 h 54 min at the start of May to 10 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 36 minutes over May. Sunrise moves from 7:29 AM to 7:47 AM, and sunset from 6:23 PM to 6:05 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.97:296:23
210.97:306:22
310.87:306:21
410.87:316:20
510.87:316:19
610.87:326:18
710.77:336:18
810.77:336:17
910.77:346:16
1010.77:356:15
1110.77:356:15
1210.67:366:14
1310.67:376:13
1410.67:376:13
1510.67:386:12
1610.57:386:11
1710.57:396:11
1810.57:406:10
1910.57:406:10
2010.57:416:09
2110.57:416:09
2210.47:426:08
2310.47:436:08
2410.47:436:07
2510.47:446:07
2610.47:446:06
2710.47:456:06
2810.37:466:06
2910.37:466:05
3010.37:476:05
3110.37:476:05

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 3 kWh/m².

For context, solar energy here swings from a low near 2.54 kWh/m² to a high of 6.98 kWh/m² in December across the year — May's 3 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.4Moderate
23.4Moderate
33.4Moderate
43.4Moderate
53.3Moderate
63.3Moderate
73.3Moderate
83.2Moderate
93.2Moderate
103.2Moderate
113.1Moderate
123.1Moderate
133.1Moderate
143.0Moderate
153.0Moderate
163.0Moderate
172.9Moderate
182.9Moderate
192.9Moderate
202.9Moderate
212.8Moderate
222.8Moderate
232.8Moderate
242.8Moderate
252.8Moderate
262.8Moderate
272.8Moderate
282.7Moderate
292.7Moderate
302.7Moderate
312.7Moderate
Planning a trip in May

Is May a good time to visit Avellaneda?

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

7.1
Sightseeing
3rd-best month of the year
4.9
Beach & pool
10th-best month of the year

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

What to pack for Avellaneda in May

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

In May, Avellaneda sees daytime highs around 22°C and nights near 13°C. Little to plan around — just the basics. About 7 days see rain.

UV index in Avellaneda in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Avellaneda peaks around January 24 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighModerateHighVery highExtremeJan 24UV 14Jun 21UV 4
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar11Extreme
Apr7Very high
May5Moderate
Jun4Moderate
Jul4Moderate
Aug6High
Sep7Very high
Oct9Very high
Nov11Extreme
Dec13Extreme
Location & terrain

Where is Avellaneda?

Avellaneda sits at 29.1°S, 59.7°W, 52 m above sea level, in Argentina. The nearest listed city is Reconquista, 4.0 km away.

Topography around Avellaneda

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

Within 3 km, the terrain around Avellaneda has only modest variations in elevation — a maximum elevation change of 23 m around an average of 44 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 37 m; within 80 km, only modest variations in elevation — a maximum elevation change of 70 m.

The land around Avellaneda is covered by cropland (38%) and artificial surfaces (28%) within 3 km, cropland (32%), wetland (26%) and grassland (20%) within 16 km, and trees (31%), grassland (29%) and wetland (22%) within 80 km.

3 km
23 m
16 km
37 m
80 km
70 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
May weather nearby: Reconquista 4.0 km · Goya 38 km · Vera 66 km · Villa Ocampo 76 km · Esquina 101 km · Saladas 139 km · San Lorenzo 140 km · Mercedes 154 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 Avellaneda (-29.1176°, -59.6583°, elevation 52 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).