Rijeka weather in January

In January, Rijeka sees average daytime highs of 6°C and overnight lows near 1°C, with 123 mm of precipitation across 11.5 wet days and about 8.9 hours of daylight. It is the 12th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 6°C through the month. The sky is clear or mostly clear about 27% of the time in January, and the air most often feels dry.

Daylight stretches from about 8 h 36 min at the start of January to 9 h 24 min by month's end. Set against the rest of the year, January is Rijeka's 10th-clearest and 3rd-windiest month. For the whole year in context, see Rijeka's year-round climate.

Daytime high
12th warmest
Overnight low
1st coldest
Precipitation
123 mm
11.5 wet days
Daylight
8 h 54 min
7:44 AM – 4:39 PM
Cloud cover
65%
10th clearest
Wind
11 km/h
3rd windiest
Solar energy
1.41 kWh/m²
Travel score
0.2
out of 10
Air quality
Moderate
PM2.5 10.6 µg/m³ · 2019

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

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 6°C through the month.

A typical January day in Rijeka reaches about 6°C in the afternoon and slips back to 1°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 0°C and 10°C. Set against its neighbours, January runs about 1°C cooler than December and about 1°C cooler than February.

-10°-5°10°15°151015202531
Avg high (°C)Avg low (°C)
161
261
361
461
561
661
761
861
961
1061
1161
1261
1361
1461
1561
1661
1761
1851
1951
2051
2151
2251
2350
2450
2550
2650
2750
2850
2950
3050
3150

How January really feels in Rijeka

Once humidity and wind are folded in, January averages 0 days that feel above 32°C and 31 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
31
wind chill below the day's low

The story in January is cold — wind chill drags the overnight "feels like" below the raw low.

Rijeka weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 12311.54.28.90.2
Feb / 12810.74.710.10.7
Mar10° / 12311.63.211.62.3
Apr14° / 114130.913.23.8
May19° / 12°12013.70.114.65.5
Jun23° / 16°9412015.46.7
Jul25° / 18°7710015.17.2
Aug25° / 18°908.8013.97.3
Sep20° / 14°17711.8012.36.2
Oct16° / 10°20813.40.510.74.5
Nov11° / 22314.429.32.2
Dec / 16912.248.60.6

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 13% of January, with mostly cloudy or overcast conditions the remaining 60%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13961
23961
33961
43961
53961
63862
73961
83961
93961
103961
113961
124060
134060
143961
154060
164060
174159
184060
194060
204060
214060
223862
233862
243862
253862
263862
273961
283961
294060
304060
314060

Chance of precipitation in January

Any precipitationSnow

Rijeka gets around 123 mm of rain and snow over 11.5 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 37% and peaks near 39% on the wettest days, and about 4 days bring snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
13913
23913
33912
43912
53912
63911
73811
83811
93811
103811
113812
123712
133712
143713
153713
163714
173614
183615
193615
203615
213515
223516
233516
243516
253616
263616
273616
283615
293615
303715
313715

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January 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 January

Winds average 11 km/h in January.

Across January, daily wind ranges from about 10 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2712calm
2812calm
2912calm
3012calm
3112calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 8 h 36 min at the start of January to 9 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 48 minutes over January. Sunrise moves from 7:48 AM to 7:33 AM, and sunset from 4:23 PM to 4:58 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.67:484:23
28.67:484:24
38.67:484:25
48.67:484:26
58.77:484:27
68.77:484:28
78.77:474:29
88.77:474:30
98.77:474:31
108.77:474:32
118.87:464:33
128.87:464:34
138.87:464:35
148.87:454:36
158.97:454:37
168.97:444:39
178.97:444:40
189.07:434:41
199.07:434:42
209.07:424:44
219.17:414:45
229.17:414:46
239.17:404:47
249.27:394:49
259.27:384:50
269.27:384:51
279.37:374:53
289.37:364:54
299.37:354:56
309.47:344:57
319.47:334:58

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 1.41 kWh/m².

For context, solar energy here swings from a low near 1.16 kWh/m² to a high of 6.3 kWh/m² in July across the year — January's 1.41 kWh/m² sits near the bottom.

00.511.522.5151015202531
Solar energy (kWh/m²)Level
11.2Dim
21.2Dim
31.2Dim
41.2Dim
51.2Dim
61.2Dim
71.3Dim
81.3Dim
91.3Dim
101.3Dim
111.3Dim
121.3Dim
131.4Dim
141.4Dim
151.4Dim
161.4Dim
171.4Dim
181.4Dim
191.5Dim
201.5Dim
211.5Dim
221.5Dim
231.6Dim
241.6Dim
251.6Dim
261.6Dim
271.7Dim
281.7Dim
291.7Dim
301.8Dim
311.8Dim
Planning a trip in January

Is January a good time to visit Rijeka?

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

0.2
Sightseeing
12th-best month of the year
0.0
Beach & pool
9th-best month of the year

January is a weaker month for outdoor sightseeing in Rijeka.

What to pack for Rijeka in January

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

In January, Rijeka sees daytime highs around 6°C and nights near 1°C. Pack a warm layer. Worth having: a heavy coat and rain gear. About 12 days see rain.

a warm layera heavy coatrain gear

Sea temperature near Rijeka in January

The nearest coast averages about 10°C in January — 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 23°C and coldest in February near 10°C.

It's comfortable for a long swim from Jun 10 to Sep 22 — about 3.5 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan10Bracing
Feb10Bracing
Mar10Bracing
Apr12Bracing
May17Cool
Jun21Refreshing
Jul23Refreshing
Aug23Refreshing
Sep21Refreshing
Oct18Cool
Nov15Cool
Dec12Bracing

UV index in Rijeka in January

LowModerateHighVery highExtreme

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

Under clear skies, the midday UV index in Rijeka peaks around July 17 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 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 9Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar5Moderate
Apr7High
May7High
Jun8Very high
Jul9Very high
Aug8Very high
Sep5High
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Rijeka?

Rijeka sits at 45.3°N, 14.4°E, 12 m above sea level, in Croatia. The nearest listed city is Cres, 41 km away.

CresPostojnaDivačaKoperTriesteRovinjPulaPiran

Topography around Rijeka

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

Within 3 km, the terrain around Rijeka has significant variations in elevation — a maximum elevation change of 379 m around an average of 77 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,375 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,767 m.

The land around Rijeka is covered by water (44%), trees (29%) and artificial surfaces (25%) within 3 km, trees (51%) and water (38%) within 16 km, and trees (62%) and water (24%) within 80 km.

3 km
379 m
16 km
1,375 m
80 km
1,767 m
treesshrubsgrasslandcroplandartificial surfaceswater
January weather nearby: Cres 41 km · Postojna 53 km · Divača 54 km · Koper 61 km · Trieste 63 km · Rovinj 69 km · Pula 69 km · Piran 72 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 Rijeka (45.3267°, 14.4424°, elevation 12 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).