Herceg Novi weather in December

In December, Herceg Novi sees average daytime highs of 9°C and overnight lows near 4°C, with 204 mm of precipitation across 12.8 wet days and about 8.9 hours of daylight. It is the 10th-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 11°C in the first days to 8°C by the end. The sky is clear or mostly clear about 38% of the time in December, and the air most often feels dry.

Daylight stretches from about 9 h 06 min at the start of December to 8 h 54 min by month's end. Set against the rest of the year, December is Herceg Novi's 7th-clearest and 1st-windiest month. For the whole year in context, see Herceg Novi's year-round climate.

Daytime high
10th warmest
Overnight low
3rd coldest
Precipitation
204 mm
12.8 wet days
Daylight
8 h 54 min
7:15 AM – 4:09 PM
Cloud cover
54%
7th clearest
Wind
10 km/h
1st windiest
Solar energy
1.49 kWh/m²
Travel score
1.8
out of 10

Herceg Novi is city in Montenegro.

Density
83/km²
people per km²
Founded
1382

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 11°C in the first days to 8°C by the end.

A typical December day in Herceg Novi reaches about 9°C in the afternoon and slips back to 4°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 5°C and 13°C. Set against its neighbours, December runs about 4°C cooler than November and about 1°C warmer than January.

-5°10°15°151015202531
Avg high (°C)Avg low (°C)
1116
2116
3116
4116
5105
6105
7105
8105
9105
10105
11105
1295
1394
1494
1594
1694
1794
1894
1994
2094
2194
2294
2394
2494
2584
2684
2784
2883
2983
3083
3183

How December really feels in Herceg Novi

Once humidity and wind are folded in, December 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

December sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Herceg Novi weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 1521129.21.4
Feb / 15211.32.410.31.7
Mar12° / 145121.411.63.0
Apr15° / 14113.40.413.14.2
May19° / 13°10312.4014.46.0
Jun23° / 16°578.90157.4
Jul26° / 19°376014.88.0
Aug26° / 19°466.8013.77.8
Sep22° / 16°1239.3012.37.1
Oct18° / 12°18510.5010.85.9
Nov13° / 25212.90.29.63.6
Dec / 20412.81.48.91.8

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 10% of December, with mostly cloudy or overcast conditions the remaining 51%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14258
24258
34357
44456
54456
64555
74555
84654
94753
104753
114951
125050
135050
145149
155149
165050
175149
185149
195149
205248
215149
225149
235149
245149
255149
265149
275149
285050
295050
305050
315149

Chance of precipitation in December

Any precipitationSnow

Herceg Novi gets around 204 mm of rain and snow over 12.8 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 41% and peaks near 45% on the wettest days, and about 1 day brings snow.

0%20%40%60%151015202531
Rain chance (%)Snow chance (%)
1452
2452
3452
4452
5442
6443
7433
8433
9423
10424
11424
12414
13415
14415
15405
16405
17406
18406
19406
20406
21406
22406
23406
24406
25406
26406
27406
28396
29396
30396
31386

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in December

Winds average 10 km/h in December, the windiest month of the year.

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 9 h 06 min at the start of December to 8 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over December. Sunrise moves from 7:02 AM to 7:21 AM, and sunset from 4:09 PM to 4:17 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.17:024:09
29.17:034:09
39.17:044:09
49.17:054:09
59.07:064:08
69.07:074:08
79.07:084:08
89.07:094:08
99.07:104:08
109.07:104:08
119.07:114:08
128.97:124:08
138.97:134:08
148.97:144:09
158.97:144:09
168.97:154:09
178.97:164:09
188.97:164:10
198.97:174:10
208.97:174:10
218.97:184:11
228.97:184:11
238.97:194:12
248.97:194:12
258.97:204:13
268.97:204:13
278.97:204:14
288.97:214:15
298.97:214:15
308.97:214:16
318.97:214:17

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 1.49 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 1.49 kWh/m² to a high of 6.91 kWh/m² in July across the year — December's 1.49 kWh/m² sits near the bottom.

00.511.522.5151015202531
Solar energy (kWh/m²)Level
11.6Dim
21.6Dim
31.6Dim
41.5Dim
51.5Dim
61.5Dim
71.5Dim
81.5Dim
91.5Dim
101.5Dim
111.5Dim
121.5Dim
131.5Dim
141.5Dim
151.5Dim
161.5Dim
171.5Dim
181.5Dim
191.5Dim
201.5Dim
211.5Dim
221.5Dim
231.5Dim
241.5Dim
251.5Dim
261.5Dim
271.5Dim
281.5Dim
291.5Dim
301.5Dim
311.5Dim
Planning a trip in December

Is December a good time to visit Herceg Novi?

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

1.8
Sightseeing
10th-best month of the year
0.0
Beach & pool
9th-best month of the year

December is a weaker month for outdoor sightseeing in Herceg Novi.

What to pack for Herceg Novi in December

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

In December, Herceg Novi sees daytime highs around 9°C and nights near 4°C. Pack a warm layer. Worth having: rain gear. About 13 days see rain.

a warm layerrain gear

Sea temperature near Herceg Novi in December

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

The sea offshore is warmest in August at about 26°C and coldest in February near 14°C.

It's comfortable for a long swim from May 26 to Oct 29 — about 5.2 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb14Bracing
Mar14Bracing
Apr15Cool
May19Cool
Jun23Refreshing
Jul25Warm
Aug26Warm
Sep24Refreshing
Oct21Refreshing
Nov19Cool
Dec16Cool

UV index in Herceg Novi in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 1. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Herceg Novi peaks around July 17 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highModerateLowJul 17UV 9Dec 21UV 1
UV index (midday)Level
Jan1Low
Feb3Moderate
Mar5High
Apr7High
May7High
Jun9Very high
Jul9Very high
Aug9Very high
Sep6High
Oct4Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Herceg Novi?

Herceg Novi sits at 42.5°N, 18.5°E, 87 m above sea level, in Montenegro. The nearest listed city is Tivat, 13 km away.

TivatPerastKotorBudvaCetinjeTrebinjeBečići

Topography around Herceg Novi

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

Within 3 km, the terrain around Herceg Novi has large variations in elevation — a maximum elevation change of 761 m around an average of 119 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,882 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,184 m.

The land around Herceg Novi is covered by water (43%) and trees (42%) within 3 km, water (43%) and trees (41%) within 16 km, and trees (40%) and water (34%) within 80 km.

3 km
761 m
16 km
1,882 m
80 km
2,184 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
December weather nearby: Tivat 13 km · Perast 14 km · Kotor 19 km · Budva 31 km · Cetinje 32 km · Trebinje 33 km · Bečići 33 km · Dubrovnik 41 km

Montenegro travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 42% of US
price level, 2025
GDP per capita
$14,817
2025
Happiness
6.1 / 10
World Happiness, 2025
Safe drinking water
86%
of population, 2024
Homicide rate
0.8
per 100k, 2023
Road deaths
7.6
per 100k/yr, 2019
Income group
Upper middle
World Bank
Religion
Orthodox 72%Muslim 19%Catholic 3%other 2%

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 Herceg Novi (42.4531°, 18.5375°, elevation 87 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).