Montenegro weather in December

In December, Montenegro sees average daytime highs of 29°C and overnight lows near 19°C, with 143 mm of rain across 13.2 wet days and about 13.9 hours of daylight. It is the 3rd-warmest and 5th-wettest month of the year here.

Highs climb over the month, from about 28°C in the first days to 30°C by the end. The sky is clear or mostly clear about 34% of the time in December, and the air most often feels muggy.

Daylight stretches from about 13 h 48 min at the start of December to 13 h 54 min by month's end. Set against the rest of the year, December is Montenegro's 3rd-clearest and 4th-windiest month. For the whole year in context, see Montenegro's year-round climate.

Daytime high
29°
3rd warmest
Overnight low
19°
10th coldest
Rainfall
143 mm
13.2 wet days
Daylight
13 h 54 min
6:25 AM – 8:19 PM
Cloud cover
57%
3rd clearest
Wind
10 km/h
4th windiest
Solar energy
6.48 kWh/m²
Travel score
5.2
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 28°C in the first days to 30°C by the end.

A typical December day in Montenegro reaches about 29°C in the afternoon and slips back to 19°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 33°C. Set against its neighbours, December runs about 2°C warmer than November and about 1°C cooler than January.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12818
22818
32818
42818
52818
62818
72818
82818
92818
102918
112918
122919
132919
142919
152919
162919
172919
182919
192919
202919
212919
222919
232919
243019
253020
263020
273020
283020
293020
303020
313020

Montenegro weather by month

How December compares with the rest of the year at a glance. December is the 3rd-warmest and 5th-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 December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 19% of December, with mostly cloudy or overcast conditions the remaining 47%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15347
25347
35347
45248
55347
65347
75347
85446
95347
105347
115347
125347
135347
145347
155347
165347
175347
185347
195347
205347
215347
225446
235347
245347
255347
265248
275248
285347
295347
305347
315347

Chance of precipitation in December

Any precipitation

Montenegro gets around 143 mm of rain over 13.2 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 42% and peaks near 44% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
140
241
341
441
541
641
741
842
942
1042
1142
1243
1343
1443
1543
1643
1743
1843
1943
2043
2143
2243
2343
2443
2543
2643
2743
2843
2944
3044
3144

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the muggy band about 38% of days. Sticky, muggy-or-worse air turns up on roughly 57% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1719323380
2719323490
3719313490
4718313590
57183135100
67173135100
76173036110
86163036110
96163037120
106152937130
115152937130
125142838140
135142839150
145132739160
154132640170
164122540180
174122540190
184112440200
194112340220
203102340230
213102340240
223102239260
23392239270
24392139280
25282138301
26282038311
27282038311
28282037321
29272037331
30172037331
31172037341

Wind in December

Winds average 10 km/h in December.

Across December, daily wind ranges from about 10 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 13 h 48 min at the start of December to 13 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over December. Sunrise moves from 6:23 AM to 6:33 AM, and sunset from 8:09 PM to 8:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.86:238:09
213.86:238:09
313.86:238:10
413.86:238:11
513.86:238:12
613.86:238:12
713.86:238:13
813.86:238:14
913.96:238:14
1013.96:238:15
1113.96:248:16
1213.96:248:16
1313.96:248:17
1413.96:248:18
1513.96:258:18
1613.96:258:19
1713.96:258:19
1813.96:268:20
1913.96:268:21
2013.96:278:21
2113.96:278:22
2213.96:288:22
2313.96:288:23
2413.96:298:23
2513.96:298:23
2613.96:308:24
2713.96:308:24
2813.96:318:25
2913.96:318:25
3013.96:328:25
3113.96:338:25

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.48 kWh/m² — the sunniest month for solar.

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 — December's 6.48 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.4Intense
26.4Intense
36.4Intense
46.4Intense
56.4Intense
66.4Intense
76.5Intense
86.5Intense
96.5Intense
106.5Intense
116.5Intense
126.5Intense
136.5Intense
146.5Intense
156.5Intense
166.5Intense
176.5Intense
186.5Intense
196.5Intense
206.5Intense
216.5Intense
226.5Intense
236.5Intense
246.5Intense
256.5Intense
266.5Intense
276.5Intense
286.5Intense
296.4Intense
306.4Intense
316.4Intense
Planning a trip in December

Is December a good time to visit Montenegro?

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

5.2
Sightseeing
10th-best month of the year
6.5
Beach & pool
1st-best month of the year

December is a reasonable time to visit Montenegro for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Montenegro in December

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

In December, Montenegro sees daytime highs around 29°C and nights near 19°C. Pack light clothes and sun protection. Worth having: rain gear. About 13 days see rain.

light clothessun protectionrain gear

UV index in Montenegro in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 12 (very high — sun protection essential). 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 December

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where December 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
December 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).