Rijeka weather

Our guide to the weather in Rijeka during August

27

Average high

5

UV Index

127mm

Monthly rainfall

24

Sea temperature

Rijeka is a beautiful Croatian city with plenty of cultural attractions and stunning scenery - perfect for a summer holiday. August can be hot and humid, so be sure to bring plenty of sun protection. We've looked at the most up-to-date weather data for Rijeka, covering the last 12 years up to 2024, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Rijeka weather in August.

How warm is it in Rijeka during August?

August is typically the hottest month in Rijeka. The temperature hits about 27℃ during the day, falling away to a balmy 17℃ at night.The UV index will be moderate at this time of year, so not something to worry about for the average person. However, if you're going to be outside for long periods it's worth wearing a broad spectrum SPF 30+ sunscreen and UV-blocking sunglasses. Remember that bright surfaces, such as water and sand increase UV exposure.

Does it rain in Rijeka during August?

August is typically the driest month in Rijeka. On average, there will be 6 rainy days during the month, amounting to 126.7mm in total. That's a significant amount of rain. For comparison, the wettest months in the UK typically sees between 80mm and 100mm, depending on where you are. There's a small chance that you'll catch a thunderstorm during your trip.

Is it windy in Rijeka during August?

You're unlikely to experience any strong winds. Expect a light breeze that picks up slightly at times in August. With moderate humidity and mild air temperatures, the breeze will have a slight cooling effect.

How warm is the sea in Rijeka during August?

The water temperature around Rijeka reaches a pleasant 24℃ during August. While generally considered warm, some people might find it a little on the cool side on entering the water.

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Weather in Rijeka

Our month-by-month guide to the weather and climate in Rijeka

5.3

Rijeka weather in

January
6.5

Rijeka weather in

February
10.2

Rijeka weather in

March
14.5

Rijeka weather in

April
18.6

Rijeka weather in

May
23.7

Rijeka weather in

June
26.2

Rijeka weather in

July
26.6

Rijeka weather in

August
21.2

Rijeka weather in

September
16.0

Rijeka weather in

October
10.9

Rijeka weather in

November
6.6

Rijeka weather in

December