Mar del Tuyú weather in May

In May, Mar del Tuyú sees average daytime highs of 16°C and overnight lows near 12°C, with 60 mm of rain across 7.1 wet days and about 10.1 hours of daylight. It is the 8th-warmest and 12th-wettest month of the year here.

Highs ease over the month, from about 17°C in the first days to 14°C by the end. The sky is clear or mostly clear about 34% of the time in May, and the air most often feels dry.

Daylight stretches from about 10 h 30 min at the start of May to 9 h 42 min by month's end. Set against the rest of the year, May is Mar del Tuyú's 10th-clearest and 12th-windiest month. For the whole year in context, see Mar del Tuyú's year-round climate.

Daytime high
16°
8th warmest
Overnight low
12°
5th coldest
Rainfall
60 mm
7.1 wet days
Daylight
10 h 06 min
7:41 AM – 5:45 PM
Cloud cover
58%
10th clearest
Wind
20 km/h
12th windiest
Solar energy
2.57 kWh/m²
Travel score
5.2
out of 10

Mar del Tuyú is human settlement in Argentina.

Founded
1945

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 17°C in the first days to 14°C by the end.

A typical May day in Mar del Tuyú reaches about 16°C in the afternoon and slips back to 12°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 18°C. Set against its neighbours, May runs about 3°C cooler than April and about 3°C warmer than June.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
11714
21714
31714
41714
51713
61713
71713
81713
91613
101613
111613
121613
131613
141613
151613
161612
171612
181512
191512
201512
211512
221512
231512
241512
251511
261511
271411
281411
291411
301411
311411

Mar del Tuyú weather by month

How May compares with the rest of the year at a glance. May is the 8th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan23° / 19°757.714.27.5
Feb23° / 20°847.613.47.4
Mar22° / 18°778.212.37.1
Apr19° / 15°937.511.16.5
May16° / 12°607.110.15.2
Jun13° / 717.29.63.8
Jul11° / 687.19.83.1
Aug12° / 77710.63.6
Sep14° / 10°747.411.84.2
Oct16° / 13°859.312.95.3
Nov19° / 15°818.513.96.5
Dec22° / 18°657.914.57.2

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% 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 52%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15347
25347
35446
45347
55347
65347
75347
85347
95248
105248
115248
125050
135050
144951
154852
164753
174753
184654
194555
204555
214456
224456
234357
244258
254357
264357
274357
284456
294456
304456
314555

Chance of precipitation in May

Any precipitation

Mar del Tuyú gets around 60 mm of rain over 7.1 wet days in May, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 23% and peaks near 24% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
122
222
322
422
522
622
722
821
921
1021
1122
1222
1322
1423
1523
1623
1724
1824
1924
2024
2124
2224
2324
2424
2524
2623
2723
2823
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 72% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
15927131
26126130
36226120
46226120
56425110
66425110
76524110
86624100
96723100
106723100
11692290
12692290
13702190
14712180
15712180
16712180
17732070
18732070
19732070
20751960
21751960
22771850
23781750
24781750
25801640
26811540
27831430
28831430
29851320
30861220
31861220

Wind in May

Winds average 20 km/h in May, the calmest month.

Across May, daily wind ranges from about 20 km/h on the calmest days to 20 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
120breezy
220breezy
320breezy
420breezy
520breezy
620light breeze
720light breeze
820light breeze
920light breeze
1020light breeze
1120light breeze
1220light breeze
1320light breeze
1420light breeze
1520light breeze
1620light breeze
1720breezy
1820breezy
1920breezy
2020breezy
2120breezy
2220breezy
2320breezy
2420breezy
2520breezy
2620breezy
2720breezy
2820breezy
2920breezy
3020breezy
3120breezy

Sunrise & sunset in May

DaylightNight

Daylight runs from about 10 h 30 min at the start of May to 9 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 48 minutes over May. Sunrise moves from 7:28 AM to 7:53 AM, and sunset from 6:00 PM to 5:35 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.57:286:00
210.57:295:59
310.57:305:57
410.47:315:56
510.47:325:55
610.47:335:54
710.37:345:53
810.37:345:52
910.37:355:51
1010.27:365:50
1110.27:375:49
1210.27:385:48
1310.17:395:47
1410.17:405:46
1510.17:405:46
1610.17:415:45
1710.07:425:44
1810.07:435:43
1910.07:445:42
2010.07:455:42
219.97:455:41
229.97:465:40
239.97:475:40
249.97:485:39
259.87:495:38
269.87:495:38
279.87:505:37
289.87:515:37
299.77:515:36
309.77:525:36
319.77:535:35

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 2.57 kWh/m².

For context, solar energy here swings from a low near 2.12 kWh/m² to a high of 7.67 kWh/m² in December across the year — May's 2.57 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.1Moderate
23.0Moderate
33.0Moderate
43.0Moderate
53.0Moderate
62.9Moderate
72.9Moderate
82.8Moderate
92.8Moderate
102.8Moderate
112.7Moderate
122.7Moderate
132.7Moderate
142.6Moderate
152.6Moderate
162.5Moderate
172.5Moderate
182.5Moderate
192.5Moderate
202.4Moderate
212.4Moderate
222.4Moderate
232.4Moderate
242.3Moderate
252.3Moderate
262.3Moderate
272.3Moderate
282.3Moderate
292.3Moderate
302.3Moderate
312.2Moderate
Planning a trip in May

Is May a good time to visit Mar del Tuyú?

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

5.2
Sightseeing
8th-best month of the year
0.6
Beach & pool
8th-best month of the year

May is a reasonable time to visit Mar del Tuyú for sightseeing.

What to pack for Mar del Tuyú in May

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

In May, Mar del Tuyú sees daytime highs around 16°C and nights near 12°C. Worth packing: a warm layer. About 7 days see rain.

a warm layer

Sea temperature near Mar del Tuyú in May

The nearest coast averages about 16°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in February at about 22°C and coldest in July near 11°C.

It's comfortable for a long swim from Dec 18 to Mar 31 — about 3.4 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan22Refreshing
Feb22Refreshing
Mar21Refreshing
Apr19Cool
May16Cool
Jun13Bracing
Jul11Bracing
Aug11Bracing
Sep12Bracing
Oct15Bracing
Nov17Cool
Dec20Cool

UV index in Mar del Tuyú in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 3 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Mar del Tuyú peaks around January 16 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 2 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateHighVery highExtremeJan 16UV 12Jun 19UV 2
UV index (midday)Level
Jan12Extreme
Feb12Extreme
Mar9Very high
Apr5High
May3Moderate
Jun2Moderate
Jul3Moderate
Aug3Moderate
Sep5High
Oct7Very high
Nov11Extreme
Dec12Extreme
Location & terrain

Where is Mar del Tuyú?

Mar del Tuyú sits at 36.6°S, 56.7°W, 13 m above sea level, in Argentina. The nearest listed city is Santa Teresita, 4.0 km away.

Topography around Mar del Tuyú

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

Within 3 km, the terrain around Mar del Tuyú has only modest variations in elevation — a maximum elevation change of 18 m around an average of 3 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 34 m; within 80 km, only modest variations in elevation — a maximum elevation change of 33 m.

The land around Mar del Tuyú is covered by water (38%), grassland (25%) and artificial surfaces (21%) within 3 km, water (47%) and grassland (36%) within 16 km, and water (44%) and grassland (39%) within 80 km.

3 km
18 m
16 km
34 m
80 km
33 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
May weather nearby: Santa Teresita 4.0 km · Mar de Ajó 17 km · Pinamar 62 km · General Juan Madariaga 62 km · Villa Gesell 81 km · Dolores 92 km · Santa Clara del Mar 158 km · Chascomús 162 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 Mar del Tuyú (-36.5743°, -56.6939°, elevation 13 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).