Paraná weather in May

In May, Paraná sees average daytime highs of 20°C and overnight lows near 12°C, with 70 mm of rain across 5.8 wet days and about 10.4 hours of daylight. It is the 9th-warmest and 8th-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 39% 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 Paraná's 12th-clearest and 8th-windiest month. For the whole year in context, see Paraná's year-round climate.

Daytime high
20°
9th warmest
Overnight low
12°
5th coldest
Rainfall
70 mm
5.8 wet days
Daylight
10 h 24 min
7:47 AM – 6:10 PM
Cloud cover
54%
12th clearest
Wind
11 km/h
8th windiest
Solar energy
2.87 kWh/m²
Travel score
7.0
out of 10

Paraná is capital city of the Argentine province Entre Ríos.

Founded
1730

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 Paraná reaches about 20°C in the afternoon and slips back to 12°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 16°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)
12213
22213
32213
42213
52213
62213
72113
82112
92112
102112
112112
122112
132112
142012
152012
162012
172012
182011
192011
202011
212011
221911
231911
241911
251911
261910
271910
281910
291910
301810
311810

Paraná 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
Jan31° / 20°1058.513.85.1
Feb29° / 19°1128.413.25.6
Mar27° / 18°1328.212.26.8
Apr24° / 15°1138.111.27.4
May20° / 12°705.810.47.0
Jun17° / 455.4106.3
Jul17° / 394.510.16.2
Aug19° / 474.810.87.2
Sep22° / 11°636.111.87.4
Oct24° / 14°1229.312.87.2
Nov27° / 16°1087.313.67.1
Dec29° / 19°1288.2145.8

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 39% 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 49%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15743
25644
35644
45545
55545
65545
75446
85446
95347
105248
115248
125149
135149
145050
154951
164951
174852
184951
194951
204951
214951
224951
234852
244852
254951
265050
275050
285050
295149
305149
315248

Chance of precipitation in May

Any precipitation

Paraná gets around 70 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
223
323
423
522
622
721
821
921
1020
1120
1220
1320
1420
1520
1619
1719
1819
1919
2019
2118
2218
2317
2417
2517
2617
2716
2816
2916
3016
3116

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 61% of days. Sticky, muggy-or-worse air turns up on roughly 6% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
150221811
252211710
353211610
452221610
553221510
654221410
75423149
85523139
95524138
105724127
115724127
125824126
135824126
145924125
155924125
165923135
176122134
186221134
196320134
206419134
216518134
226617134
236716134
246815134
257014124
267113124
277213114
287312114
297412104
30761293
31771283

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 7:36 AM to 7:57 AM, and sunset from 6:23 PM to 6:03 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.87:366:23
210.77:376:22
310.77:386:21
410.77:386:20
510.77:396:19
610.67:406:18
710.67:406:17
810.67:416:16
910.67:426:15
1010.57:436:14
1110.57:436:14
1210.57:446:13
1310.57:456:12
1410.47:456:11
1510.47:466:11
1610.47:476:10
1710.47:476:09
1810.37:486:09
1910.37:496:08
2010.37:496:07
2110.37:506:07
2210.37:516:06
2310.27:526:06
2410.27:526:05
2510.27:536:05
2610.27:536:04
2710.27:546:04
2810.17:556:04
2910.17:556:03
3010.17:566:03
3110.17:576:03

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 2.45 kWh/m² to a high of 7.23 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
93.1Moderate
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
252.6Moderate
262.6Moderate
272.6Moderate
282.6Moderate
292.6Moderate
302.6Moderate
312.6Moderate
Planning a trip in May

Is May a good time to visit Paraná?

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

7.0
Sightseeing
6th-best month of the year
3.8
Beach & pool
9th-best month of the year

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

What to pack for Paraná in May

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

In May, Paraná sees daytime highs around 20°C and nights near 12°C. Little to plan around — just the basics. About 6 days see rain.

UV index in Paraná 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 Paraná peaks around January 17 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 — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeModerateHighVery highExtremeJan 17UV 13Jun 20UV 3
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar11Extreme
Apr7High
May4Moderate
Jun3Moderate
Jul4Moderate
Aug5Moderate
Sep7High
Oct9Very high
Nov11Extreme
Dec13Extreme
Location & terrain

Where is Paraná?

Paraná sits at 31.7°S, 60.5°W, 78 m above sea level, in Argentina. The nearest listed city is Santa Fe, 19 km away.

Topography around Paraná

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

Within 3 km, the terrain around Paraná has only modest variations in elevation — a maximum elevation change of 89 m around an average of 49 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 121 m; within 80 km, only modest variations in elevation — a maximum elevation change of 117 m.

The land around Paraná is covered by artificial surfaces (60%) within 3 km, grassland (23%) and trees (22%) within 16 km, and cropland (55%) and grassland (22%) within 80 km.

3 km
89 m
16 km
121 m
80 km
117 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
May weather nearby: Santa Fe 19 km · Santo Tomé 24 km · Diamante 39 km · Crespo 39 km · Coronda 46 km · Esperanza 49 km · Gálvez 73 km · Nogoyá 101 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 Paraná (-31.7327°, -60.529°, elevation 78 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).