Rijeka climate — normals and trends
Rijeka (Croatia) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 11.3 °C and it receives 1,680 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is July (20.9 °C on average) and the coldest is January (2.0 °C). Rainfall peaks in November.
Rijeka averages 43 frost days, 3 hot days (≥ 30 °C) and 148 rainy days per year.
Rijeka has warmed by +2.3 °C between 1940 and 2025, or +0.27 °C per decade. This trend is statistically significant.
The number of frost days there went from about 60 to 26 per year over the period.
The hottest day of the period reached 34.0 °C (on 4 August 2013) and the coldest -22.2 °C (on 15 February 1940).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
RijekaPrimorje-Gorski Kotar County
- coords
- 45.33°, 14.44°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
11.3°C
Average daily high
14.4°C
Average daily low
8.5°C
Annual rainfall
1,680mm
Sunshine / day
9.1h
Mean relative humidity
77%
Average peak wind
14.3km/h
Seasonal range
18.9°C
Frost days (< 0 °C)
43 d/yr
Hot days (≥ 30 °C)
3 d/yr
Rainy days (≥ 1 mm)
148 d/yr
Annual snowfall
76.0 cm
Average feels-like high
13.1 °C
Average feels-like low
6.5 °C
Average peak gust
34.3 km/h
Tropical nights (≥ 20 °C)
10 d/yr
Solar radiation
13.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.3 °C
since 1940
+0.3 °C per decade · r² = 0.57 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
34.0 °C
4 August 2013
Coldest day
-22.2 °C
15 February 1940
Wettest day
104 mm
6 November 2016
Windiest day
49.4 km/h
2 December 1983
Strongest gust
111.6 km/h
2 December 1983
Hottest feels-like
37.5 °C
27 June 2019
Coldest feels-like
-27.6 °C
15 February 1940
Snowiest day
29.2 cm
19 November 1999
Sunniest day
14.7 h
19 June 2009
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 7.7 °C | +3.2 °C | 234 mm | +102 mm |
| Feb | 7.3 °C | +1.4 °C | 99 mm | -34 mm |
| Mar | 11.7 °C | +2.4 °C | 223 mm | +92 mm |
| Apr | 15.7 °C | +2.3 °C | 113 mm | -13 mm |
| May | 18.3 °C | +0.4 °C | 149 mm | +26 mm |
| Jun | 26.4 °C | +4.6 °C | 4 mm | -109 mm |
| Jul | 25.7 °C | +1.2 °C | 153 mm | +65 mm |
| Aug | 25.9 °C | +1.4 °C | 84 mm | -17 mm |
| Sep | 21.8 °C | +1.4 °C | 130 mm | -29 mm |
| Oct | 15.7 °C | +0.4 °C | 255 mm | +69 mm |
| Nov | 11.4 °C | +1.5 °C | 236 mm | +19 mm |
| Dec | 8.5 °C | +2.6 °C | 37 mm | -133 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Rijeka?
Rijeka has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 11.3 °C and it receives 1,680 mm of precipitation per year.
What is the hottest day ever recorded in Rijeka?
The hottest day measured in Rijeka between 1940 and 2025 was 4 August 2013, reaching 34.0 °C.
What is the coldest day in Rijeka?
The coldest day measured in Rijeka between 1940 and 2025 was 15 February 1940, at -22.2 °C.
Does it snow in Rijeka?
Yes. Rijeka gets on average 76.0 cm of snow per year and has around 43 frost days.
Has the climate of Rijeka warmed?
Yes: Rijeka warmed by +2.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Rijeka?
The wettest day measured in Rijeka between 1940 and 2025 was 6 November 2016, with 104 mm of rain in 24 hours.
What was the windiest day in Rijeka?
The windiest day measured in Rijeka between 1940 and 2025 was 2 December 1983, with winds reaching 49.4 km/h.
What is the warmest month in Rijeka?
The warmest month in Rijeka is July (20.9 °C on average); the coldest is January (2.0 °C).
How much does it rain in Rijeka?
Rijeka receives on average 1,680 mm of precipitation per year, spread over about 148 rainy days.
Is it sunny in Rijeka?
Rijeka gets on average 9.1 hours of sunshine per day, roughly 3,322 hours per year over 1940-2025.
What is the biggest single-day snowfall in Rijeka?
The heaviest 24-hour snowfall measured in Rijeka between 1940 and 2025 was 19 November 1999, with 29.2 cm.
Are there tropical nights in Rijeka?
Yes: Rijeka has on average 10 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Rijeka?
In Rijeka, between 1940 and 2025, the highest apparent temperature reached 37.5 °C on 27 June 2019, and the lowest was -27.6 °C on 15 February 1940.
Compare Rijeka with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Rijeka