Montecarlo weather in May

In May, Montecarlo sees average daytime highs of 23°C and overnight lows near 14°C, with 172 mm of rain across 9.7 wet days and about 10.7 hours of daylight. It is the 10th-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 25°C in the first days to 22°C by the end. The sky is clear or mostly clear about 38% of the time in May, and the air most often feels humid.

Daylight stretches from about 11 hours at the start of May to 10 h 30 min by month's end. Set against the rest of the year, May is Montecarlo's 8th-clearest and 7th-windiest month. For the whole year in context, see Montecarlo's year-round climate.

Daytime high
23°
10th warmest
Overnight low
14°
4th coldest
Rainfall
172 mm
9.7 wet days
Daylight
10 h 42 min
7:14 AM – 5:56 PM
Cloud cover
55%
8th clearest
Wind
8 km/h
7th windiest
Solar energy
3.17 kWh/m²
Travel score
6.9
out of 10

Montecarlo is village and municipality in Misiones province, Argentina.

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 25°C in the first days to 22°C by the end.

A typical May day in Montecarlo reaches about 23°C in the afternoon and slips back to 14°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 28°C. Set against its neighbours, May runs about 4°C cooler than April and about 2°C warmer than June.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12515
22515
32515
42515
52415
62415
72415
82414
92414
102414
112414
122314
132314
142314
152314
162314
172314
182314
192313
202213
212213
222213
232213
242213
252213
262213
272213
282213
292213
302213
312213

How May really feels in Montecarlo

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.

Montecarlo weather by month

How May compares with the rest of the year at a glance. May is the 10th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 21°17015.713.53.8
Feb31° / 21°17215.112.94.0
Mar30° / 20°1491312.24.9
Apr27° / 17°15010.111.46.5
May23° / 14°1729.710.76.9
Jun21° / 13°1629.710.46.6
Jul21° / 12°1359.410.56.8
Aug24° / 13°977.811.17.5
Sep26° / 15°16610.511.86.8
Oct28° / 17°22213.812.65.8
Nov29° / 18°17611.813.35.2
Dec31° / 20°19914.813.64.1

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 38% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 13% of May, with mostly cloudy or overcast conditions the remaining 49%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15545
25545
35446
45446
55446
65446
75347
85248
95248
105248
115149
125149
135149
145050
155149
165050
175050
185050
195050
205050
215050
224951
234951
244951
254951
265050
274951
285050
295050
305149
315149

Chance of precipitation in May

Any precipitation

Montecarlo gets around 172 mm of rain over 9.7 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 31% and peaks near 33% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
129
228
328
428
528
628
728
828
929
1029
1129
1230
1330
1430
1531
1631
1732
1832
1933
2033
2133
2233
2333
2433
2533
2633
2733
2833
2933
3033
3133

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the humid band about 29% of days. Sticky, muggy-or-worse air turns up on roughly 17% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1181831294
2191930284
3202030283
4202129273
5212229262
6222329252
7222428232
8232528222
9232628211
10242728201
11242728191
12252828181
13252829171
14262929161
15262929141
16262930141
17272930131
18282930121
19292930111
20302930111
21312830101
22322829101
2333272991
2434272991
2534272991
2635262991
2736262891
2837262891
2938252891
3038252791
3139252791

Wind in May

Winds average 8 km/h in May.

Across May, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 hours at the start of May to 10 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 30 minutes over May. Sunrise moves from 7:06 AM to 7:22 AM, and sunset from 6:07 PM to 5:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.07:066:07
211.07:076:06
311.07:076:05
410.97:086:04
510.97:086:03
610.97:096:03
710.97:096:02
810.97:106:01
910.87:106:01
1010.87:116:00
1110.87:125:59
1210.87:125:59
1310.87:135:58
1410.77:135:57
1510.77:145:57
1610.77:145:56
1710.77:155:56
1810.77:155:55
1910.67:165:55
2010.67:175:54
2110.67:175:54
2210.67:185:53
2310.67:185:53
2410.67:195:53
2510.57:195:52
2610.57:205:52
2710.57:205:52
2810.57:215:51
2910.57:215:51
3010.57:225:51
3110.57:225:50

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 3.17 kWh/m².

For context, solar energy here swings from a low near 2.72 kWh/m² to a high of 6.38 kWh/m² in December across the year — May's 3.17 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.7Moderate
23.6Moderate
33.6Moderate
43.6Moderate
53.5Moderate
63.5Moderate
73.5Moderate
83.4Moderate
93.4Moderate
103.4Moderate
113.3Moderate
123.3Moderate
133.3Moderate
143.2Moderate
153.2Moderate
163.1Moderate
173.1Moderate
183.1Moderate
193.1Moderate
203.0Moderate
213.0Moderate
223.0Moderate
233.0Moderate
242.9Moderate
252.9Moderate
262.9Moderate
272.9Moderate
282.9Moderate
292.8Moderate
302.8Moderate
312.8Moderate
Planning a trip in May

Is May a good time to visit Montecarlo?

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

6.9
Sightseeing
2nd-best month of the year
5.4
Beach & pool
10th-best month of the year

May is a reasonable time to visit Montecarlo for sightseeing.

What to pack for Montecarlo in May

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

In May, Montecarlo sees daytime highs around 23°C and nights near 14°C. Worth packing: light clothes and rain gear. About 10 days see rain.

light clothesrain gear

UV index in Montecarlo in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Montecarlo peaks around January 19 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 5 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighModerateHighVery highExtremeJan 19UV 14Jun 23UV 5
UV index (midday)Level
Jan15Extreme
Feb14Extreme
Mar12Extreme
Apr8Very high
May6High
Jun5Moderate
Jul5Moderate
Aug6High
Sep7Very high
Oct9Very high
Nov11Extreme
Dec13Extreme

Air quality in Montecarlo in May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.

Air quality in Montecarlo is worst in September — around 20 µg/m³ PM2.5 (moderate), about 2.8× the cleanest month (March, 7 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1619 µg/m³Mar 157 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb8Good
Mar7Good
Apr8Good
May8Good
Jun8Good
Jul10Good
Aug14Moderate
Sep20Moderate
Oct13Moderate
Nov9Good
Dec7Good
Location & terrain

Where is Montecarlo?

Montecarlo sits at 26.6°S, 54.8°W, 197 m above sea level, in Argentina. The nearest listed city is Eldorado, 23 km away.

Topography around Montecarlo

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

Within 3 km, the terrain around Montecarlo has only modest variations in elevation — a maximum elevation change of 158 m around an average of 190 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 342 m; within 80 km, large variations in elevation — a maximum elevation change of 641 m.

The land around Montecarlo is covered by trees (76%) within 3 km, trees (65%) within 16 km, and trees (68%) and cropland (24%) within 80 km.

3 km
158 m
16 km
342 m
80 km
641 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Eldorado 23 km · Puerto Rico 37 km · San Vicente 62 km · Puerto Esperanza 62 km · San Pedro 65 km · Colonia Wanda 69 km · Jardín América 70 km · El Soberbio 98 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 Montecarlo (-26.5685°, -54.7579°, elevation 197 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. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).