Montenegro weather in May

In May, Montenegro sees average daytime highs of 22°C and overnight lows near 13°C, with 121 mm of rain across 9.5 wet days and about 10.5 hours of daylight. It is the 9th-warmest and 12th-wettest month of the year here.

Highs ease over the month, from about 23°C in the first days to 20°C by the end. The sky is clear or mostly clear about 30% 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 Montenegro's 9th-clearest and 12th-windiest month. For the whole year in context, see Montenegro's year-round climate.

Daytime high
22°
9th warmest
Overnight low
13°
5th coldest
Rainfall
121 mm
9.5 wet days
Daylight
10 h 30 min
8:07 AM – 6:38 PM
Cloud cover
60%
9th clearest
Wind
8 km/h
12th windiest
Solar energy
2.84 kWh/m²
Travel score
6.6
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 23°C in the first days to 20°C by the end.

A typical May day in Montenegro 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 27°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)
12314
22314
32314
42314
52314
62314
72314
82214
92214
102214
112213
122213
132213
142213
152213
162113
172113
182113
192113
202113
212113
222112
232112
242112
252012
262012
272012
282012
292012
302012
312012

Montenegro weather by month

How May compares with the rest of the year at a glance. May is the 9th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 20°16415.313.74.6
Feb29° / 20°14113.913.14.7
Mar28° / 19°1261312.25.7
Apr25° / 16°1219.811.36.8
May22° / 13°1219.510.56.6
Jun20° / 11°12910.110.16.1
Jul19° / 10°16010.410.36.1
Aug21° / 11°13110.510.96.5
Sep22° / 13°16111.811.86.3
Oct24° / 15°19213.512.76.2
Nov27° / 17°14011.713.56.3
Dec29° / 19°14313.213.95.2

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 30% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 16% of May, with mostly cloudy or overcast conditions the remaining 54%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14951
24951
34852
44951
54951
64852
74852
84753
94753
104753
114753
124753
134753
144654
154753
164753
174654
184654
194654
204654
214555
224555
234555
244555
254555
264555
274555
284555
294456
304357
314357

Chance of precipitation in May

Any precipitation

Montenegro gets around 121 mm of rain over 9.5 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 30% and peaks near 31% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
131
230
330
430
530
630
730
830
931
1031
1131
1231
1331
1431
1531
1631
1731
1831
1931
2031
2131
2230
2330
2430
2530
2630
2730
2830
2930
3030
3130

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 39% of days. Sticky, muggy-or-worse air turns up on roughly 7% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1272630161
2282629151
3282729151
4292729141
5302829131
6302928121
7312928111
8313028100
932302890
1033312890
1133312780
1234312770
1335322770
1435322660
1536322660
1637322660
1738312550
1839312550
1940312450
2042302450
2143292340
2245292240
2346282240
2447282140
2549282030
2650272030
2751271930
2853261830
2953261830
3054261730
3154261730

Wind in May

Winds average 8 km/h in May, the calmest month.

Across May, daily wind ranges from about 8 km/h on the calmest days to 9 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
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

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 7:57 AM to 8:16 AM, and sunset from 6:49 PM to 6:31 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.97:576:49
210.87:586:48
310.87:586:47
410.87:596:46
510.88:006:46
610.78:006:45
710.78:016:44
810.78:016:43
910.78:026:42
1010.68:036:42
1110.68:036:41
1210.68:046:40
1310.68:056:39
1410.68:056:39
1510.58:066:38
1610.58:076:38
1710.58:076:37
1810.58:086:36
1910.58:096:36
2010.48:096:35
2110.48:106:35
2210.48:106:34
2310.48:116:34
2410.48:126:33
2510.38:126:33
2610.38:136:32
2710.38:136:32
2810.38:146:32
2910.38:156:31
3010.38:156:31
3110.38:166:31

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 2.84 kWh/m².

For context, solar energy here swings from a low near 2.38 kWh/m² to a high of 6.48 kWh/m² in December across the year — May's 2.84 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.2Moderate
23.2Moderate
33.2Moderate
43.2Moderate
53.1Moderate
63.1Moderate
73.1Moderate
83.0Moderate
93.0Moderate
103.0Moderate
113.0Moderate
122.9Moderate
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
312.5Moderate
Planning a trip in May

Is May a good time to visit Montenegro?

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

6.6
Sightseeing
2nd-best month of the year
4.4
Beach & pool
9th-best month of the year

May is a reasonable time to visit Montenegro for sightseeing.

What to pack for Montenegro in May

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

In May, Montenegro sees daytime highs around 22°C and nights near 13°C. Worth packing: rain gear. About 10 days see rain.

rain gear

UV index in Montenegro 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 Montenegro peaks around January 15 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 3 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateHighVery highExtremeJan 15UV 13Jun 19UV 3
UV index (midday)Level
Jan13Extreme
Feb12Extreme
Mar10Very high
Apr8Very high
May5Moderate
Jun3Moderate
Jul4Moderate
Aug5High
Sep8Very high
Oct7High
Nov11Extreme
Dec12Extreme

Air quality in Montenegro 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 Montenegro is worst in August — around 20 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (December, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodAug 1720 µg/m³Dec 1811 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb11Good
Mar12Good
Apr15Moderate
May17Moderate
Jun17Moderate
Jul19Moderate
Aug20Moderate
Sep19Moderate
Oct13Moderate
Nov12Good
Dec10Good
Location & terrain

Where is Montenegro?

Montenegro sits at 29.7°S, 51.5°W, 21 m above sea level, in Brazil. The nearest listed city is São Sebastião do Caí, 14 km away.

Topography around Montenegro

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

Within 3 km, the terrain around Montenegro has only modest variations in elevation — a maximum elevation change of 216 m around an average of 29 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 284 m; within 80 km, large variations in elevation — a maximum elevation change of 935 m.

The land around Montenegro is covered by trees (49%) and artificial surfaces (24%) within 3 km, trees (63%) and grassland (26%) within 16 km, and trees (60%) within 80 km.

3 km
216 m
16 km
284 m
80 km
935 m
treesgrasslandcroplandartificial surfaceswaterwetland
May weather nearby: São Sebastião do Caí 14 km · Portão 21 km · Nova Santa Rita 25 km · Estância Velha 28 km · Ivoti 31 km · São Leopoldo 31 km · Novo Hamburgo 32 km · Esteio 33 km

Brazil travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / N
127 / 220 V · 60 Hz
Prices
≈ 46% of US
price level, 2025
GDP per capita
$10,713
2025
Happiness
6.6 / 10
World Happiness, 2025
Safe drinking water
89%
of population, 2024
Homicide rate
19.3
per 100k, 2023
Road deaths
16
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 482
Religion
Roman Catholic 57%Evangelical 27%none 9%other 4%

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 Montenegro (-29.6886°, -51.4611°, elevation 21 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).