Rijeka weather and climate in 2024
Day
10 °C
Night
4 °C
Sea
12 °C
Precipitation
139 mm
in month
Rainy days
10 days
in month
Daylight
9 hours
average
Sunshine
3 hours
average
Humidity
76 %
Day
10 °C
Night
4 °C
Sea
12 °C
Precipitation
139 mm
in month
Rainy days
10 days
in month
Daylight
9 hours
average
Sunshine
3 hours
average
Humidity
76 %
Overview: Rijeka
Weather charts for Rijeka
We make the most from 40 years of historical weather data to predict the best weather conditions.
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Weather overview for Rijeka
Weather overview
Rijeka, a coastal city in Croatia, experiences a Mediterranean climate, characterized by mild, wet winters and warm, sunny summers. Daytime temperatures can reach a pleasant 29 °C (84 °F) during the sunniest month of July, with rainfall significantly dropping to occasional showers. As the seasons change, temperatures can dip to a cooler 9 °C (48 °F) in January, the coldest month. Short, light-filled days in winter gradually lengthen to the peak sunshine hours of over 9 hours in July before they shorten once again. Humidity levels are comfortable for the most part, with an average relative humidity around 75 % in winter, dropping slightly in the hot, dry summer months.
January weather
In January, Rijeka welcomes the new year with cooler temperatures, averaging around 9 °C (48 °F) during the day. Expect about 10 days of rain this month, making it one of the wetter periods. Despite the lower temperatures, the chill is alleviated by sea temperatures that don't drop much below 10 °C (51 °F).
February weather
February in Rijeka sees a slight increase in daytime temperatures to 10 °C (50 °F). The sea is still a brisk 10 °C (49 °F), so swimming is only for the bravest souls. Expect a reduction in the number of rainy days to around 9 days.
March weather
March sees a noticeable change with a jump in day temperatures to 13 °C (56 °F), making it more pleasant to explore Rijeka's sights. Dependable sea temperatures of 10 °C (50 °F) and around 9 days of rain are still present.
April weather
April offers a more robust invitation to enjoy the outdoors in Rijeka with an average high of 17 °C (63 °F). The sea remains cool at 12 °C (54 °F), while rain showers spread out over an average of 11 days.
May weather
May in Rijeka signals the approach of summer with temperatures reaching an enjoyable 22 °C (72 °F) during the day. The Adriatic sea is warming up, hitting 17 °C (62 °F), still refreshing for a quick dip. There is a lesser chance of rain with around 11 days expected.
June weather
June's arrival marks further warming, with daytime highs averaging 26 °C (78 °F). The sea temperature rises to a pleasant 21 °C (69 °F), beckoning beachgoers. About 11 days of rain signals that you might experience occasional showers.
July weather
July boasts the warmest weather in Rijeka, with splendid day temperatures around 29 °C (84 °F). Rain is sparse with only 8 days prone to precipitation, and the azure sea reaches a delightful 23 °C (74 °F).
August weather
August in Rijeka remains hot and sunny, nearly mirroring July's high temperatures with a daily average of 29 °C (83 °F). The Adriatic provides uninterrupted swimming opportunities at 23 °C (74 °F), with precipitation occurring on only 9 days.
September weather
As summer wanes, September's day temperatures in Rijeka dip slightly to a comfortable 24 °C (75 °F). Sea temperatures remain inviting at 20 °C (69 °F). The number of wet days rises slightly, with 10 days expected.
October weather
October sees a shift towards autumn with moderate day temperatures averaging 19 °C (66 °F). The sea is still relatively warm at 18 °C (64 °F), but the increase in rainy days to 11 days suggests the arrival of wetter times.
November weather
As Rijeka cools further in November, daytime temperatures hover around 14 °C (56 °F). The sea chills to 15 °C (59 °F), leaving the beaches quiet. Rain frequency increases with about 11 days feared.
December weather
December ushers in the winter season with the thermometer reading an average of 10 °C (50 °F) during the day. The wet trend continues with 10 days of rain, while the sea's chill at 12 °C (54 °F) dissuades most from swimming.
FAQs
How many layers should I wear when visiting Rijeka in January?
It's advisable to layer up in January when visiting Rijeka. While daytime temperatures hover around 9 °C (48 °F), evenings can be cooler, so having a good coat and multiple layers will ensure comfort.
What is the average wind speed in Rijeka during February?
February brings an average wind speed of 3 m/s in Rijeka, which is quite mild and shouldn't cause much discomfort.
Are outdoor activities suitable in Rijeka during March?
March weather in Rijeka is more conducive to outdoor activities with the emergence of spring and an average daytime temperature of 13 °C (56 °F). Remember to bring a light jacket for the cooler moments.
What should I pack for a trip to Rijeka in April?
For a trip to Rijeka in April, pack a mix of clothing options, including lighter attire for the daytime warmth of 17 °C (63 °F) and something a little warmer for evenings.
Can I swim in Rijeka during May?
While the sea temperature in Rijeka during May is 17 °C (62 °F), it might still be a bit too brisk for some, but it's definitely getting closer to swimming territory for others.
What is the humidity like in Rijeka during June?
June's humidity in Rijeka averages a comfortable 72 %, making it neither too dry nor excessively humid.
Are the evenings in Rijeka cool in July?
Evenings in Rijeka during July are quite mild, with minimal night temperatures averaging 19 °C (67 °F), offering beautiful warm nights for strolling along the promenade.
What can I expect from the weather in Rijeka in August?
Expect hot, sunny days with an average high of 29 °C (83 °F) in August, ideal for all the summer activities Rijeka offers, from beach outings to open-air festivals.
Is a light jacket necessary in Rijeka during September?
A light jacket might be a good idea for the evenings in September, as temperatures can cool down from the day's average of 24 °C (75 °F).
What kind of weather should I prepare for in Rijeka during October?
Prepare for typical autumn weather in October in Rijeka, with average daytime highs of 19 °C (66 °F) and the possibility of both sunny and rainy days.
Is November a gloomy month in Rijeka?
November can be considered somewhat gloomy in Rijeka, with shorter days and an average of 3 hours of sun alongside cooler temperatures.
Should I expect a white Christmas in Rijeka?
Snow is a rarity in the coastal city of Rijeka, so while a white Christmas is unlikely, the city does offer a festive atmosphere with holiday lights and decorations.
We make the most from 40 years of historical weather data to predict the best weather conditions.
Deciding on where to go for a holiday is hard sometimes. Get inspired by the most popular destinations.
We aggregate data from combining multiple weather sources to ensure accuracy of the highest order.