Rovinj weather in December

In December, Rovinj sees average daytime highs of 10°C and overnight lows near 7°C, with 106 mm of precipitation across 10.7 wet days and about 8.6 hours of daylight. It is the 10th-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 11°C in the first days to 9°C by the end. The sky is clear or mostly clear about 32% of the time in December, and the air most often feels dry.

Daylight stretches from about 8 h 48 min at the start of December to 8 h 36 min by month's end. Set against the rest of the year, December is Rovinj's 11th-clearest and 2nd-windiest month. For the whole year in context, see Rovinj's year-round climate.

Daytime high
10°
10th warmest
Overnight low
3rd coldest
Precipitation
106 mm
10.7 wet days
Daylight
8 h 36 min
7:44 AM – 4:19 PM
Cloud cover
59%
11th clearest
Wind
16 km/h
2nd windiest
Solar energy
1.29 kWh/m²
Travel score
2.3
out of 10

Rovinj is town and settlement in Istria County, Croatia.

Density
186/km²
people per km²

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 9°C by the end.

A typical December day in Rovinj reaches about 10°C in the afternoon and slips back to 7°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 6°C and 13°C. Set against its neighbours, December runs about 4°C cooler than November and about 1°C warmer than January.

10°15°151015202531
Avg high (°C)Avg low (°C)
1119
2119
3118
4118
5118
6118
7118
8118
9118
10108
11108
12107
13107
14107
15107
16107
17107
18107
19107
20107
21107
22107
23107
2497
2596
2696
2796
2896
2996
3096
3196

Rovinj weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 7490.491.7
Feb / 818.70.910.11.9
Mar12° / 728.90.411.63.2
Apr15° / 11°709.50.113.24.6
May19° / 15°759.5014.66.4
Jun24° / 20°547.6015.47.6
Jul26° / 22°435.7015.17.8
Aug26° / 22°647.2013.97.6
Sep22° / 18°1219.6012.37.0
Oct18° / 15°11611.1010.75.8
Nov14° / 11°14712.809.33.7
Dec10° / 10610.70.58.62.3

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 14% of December, with mostly cloudy or overcast conditions the remaining 55%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14456
24456
34456
44555
54555
64555
74555
84654
94654
104753
114654
124654
134753
144654
154753
164753
174654
184654
194555
204456
214456
224456
234555
244555
254555
264555
274654
284555
294555
304555
314654

Chance of precipitation in December

Any precipitationSnow

Rovinj gets around 106 mm of rain and snow over 10.7 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 35% and peaks near 40% on the wettest days, and about 1 day brings snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
1400
2390
3380
4380
5370
6371
7361
8361
9351
10351
11351
12341
13341
14332
15332
16332
17332
18332
19332
20332
21332
22332
23332
24332
25342
26342
27342
28342
29342
30342
31342

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 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1973
2973
3982
4982
5982
6991
7991
8991
9991
10991
11991
12991
13991
14991
15991
16991
17991
18991
19991
20991
211000
221000
231000
241000
251000
261000
271000
281000
291000
301000
311000

Wind in December

Winds average 16 km/h in December.

Across December, daily wind ranges from about 15 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
116light breeze
216light breeze
316light breeze
416light breeze
516light breeze
616light breeze
716light breeze
816light breeze
916light breeze
1016light breeze
1116light breeze
1216light breeze
1316light breeze
1416light breeze
1516light breeze
1616light breeze
1716light breeze
1816light breeze
1916light breeze
2016light breeze
2116light breeze
2216light breeze
2316light breeze
2416light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3015light breeze
3115light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 8 h 48 min at the start of December to 8 h 36 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 7:30 AM to 7:50 AM, and sunset from 4:20 PM to 4:27 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.87:304:20
28.87:324:20
38.87:334:19
48.87:344:19
58.77:354:19
68.77:364:19
78.77:374:19
88.77:384:18
98.77:384:18
108.77:394:18
118.67:404:18
128.67:414:19
138.67:424:19
148.67:434:19
158.67:434:19
168.67:444:19
178.67:454:19
188.67:454:20
198.67:464:20
208.67:474:20
218.67:474:21
228.67:484:21
238.67:484:22
248.67:484:22
258.67:494:23
268.67:494:24
278.67:494:24
288.67:504:25
298.67:504:26
308.67:504:26
318.67:504:27

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 1.29 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 1.29 kWh/m² to a high of 6.82 kWh/m² in June across the year — December's 1.29 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
11.4Dim
21.4Dim
31.4Dim
41.4Dim
51.3Dim
61.3Dim
71.3Dim
81.3Dim
91.3Dim
101.3Dim
111.3Dim
121.3Dim
131.3Dim
141.3Dim
151.3Dim
161.3Dim
171.3Dim
181.3Dim
191.3Dim
201.3Dim
211.3Dim
221.3Dim
231.3Dim
241.3Dim
251.3Dim
261.3Dim
271.3Dim
281.3Dim
291.3Dim
301.3Dim
311.3Dim
Planning a trip in December

Is December a good time to visit Rovinj?

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

2.3
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 Rovinj.

What to pack for Rovinj in December

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

In December, Rovinj sees daytime highs around 10°C and nights near 7°C. Pack a warm layer. Worth having: rain gear. About 11 days see rain.

a warm layerrain gear

Sea temperature near Rovinj in December

The nearest coast averages about 14°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 10°C.

It's comfortable for a long swim from Jun 1 to Oct 12 — about 4.4 months when the water holds above 20°C.

10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan11Bracing
Feb10Bracing
Mar11Bracing
Apr13Bracing
May18Cool
Jun22Refreshing
Jul25Warm
Aug26Warm
Sep23Refreshing
Oct20Cool
Nov17Cool
Dec14Bracing

UV index in Rovinj 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 Rovinj peaks around July 16 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 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 highHighModerateLowJul 16UV 8Jan 10UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar4Moderate
Apr7High
May7High
Jun8Very high
Jul9Very high
Aug8Very high
Sep5Moderate
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Rovinj?

Rovinj sits at 45.1°N, 13.6°E, 0 m above sea level, in Croatia. The nearest listed city is Pula, 29 km away.

PulaPiranKoperCresTriesteRijekaDivačaMonfalcone

Topography around Rovinj

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

Within 3 km, the terrain around Rovinj has only modest variations in elevation — a maximum elevation change of 70 m around an average of 11 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 301 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,494 m.

The land around Rovinj is covered by water (52%) and trees (22%) within 3 km, water (57%) and trees (29%) within 16 km, and water (60%) and trees (31%) within 80 km.

3 km
70 m
16 km
301 m
80 km
1,494 m
treesshrubsgrasslandcroplandartificial surfaceswater
December weather nearby: Pula 29 km · Piran 50 km · Koper 52 km · Cres 63 km · Trieste 64 km · Rijeka 69 km · Divača 72 km · Monfalcone 81 km

Croatia travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 53% of US
price level, 2025
GDP per capita
$27,104
2025
Happiness
6.0 / 10
World Happiness, 2025
Safe drinking water
87%
of population, 2024
Homicide rate
0.7
per 100k, 2023
Road deaths
7.9
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 617
Religion
Roman Catholic 79%other Christian 5%none or atheist 5%Orthodox 3%

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 Rovinj (45.0827°, 13.6346°, elevation 0 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).