Rijeka Weather in August

August in Rijeka averages 26°C (79°F) during the day and 17°C (63°F) at night. Quite a bit of rainfall is typical this month, with around 111 mm (4.4 in) on average. An umbrella is a good idea.

Rainfall in Rijeka in August

You can expect rain on roughly 13 days based on historical data, averaging 111 mm (4.4 in) for the month. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in Rijeka in August

In August, expect high temperatures in Rijeka, with highs of 26°C (79°F) and lows of 17°C (63°F) at night. August is part of summer. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights cool down to 17°C (63°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions. On average, it is the warmest month of the year.

Sunshine in Rijeka in August

The month enjoys around 281 hours of sunshine, creating mostly sunny days with good weather conditions.

Average water temperature in August

With water at 25°C (77°F), you can expect warm, pleasant conditions for any water activity. There's no adjustment period — it feels comfortable straight away.

If your ideal day consists of dry skies and pleasant temperatures, July typically offers the best circumstances for Rijeka.

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Croatia, check out our Rijeka's climate page.

Rijeka Temperature in August

Min Temperature 17°C (63°F)  

Max Temperature 26°C (79°F)  

Water Temperature 25°C (77°F)  

Chance of Rain 43%  

Precipitation 111 mm (4.4 in)  

Rainy days 13 days  

Humidity 56%  

Sunshine 281 hours  

Percentage Sunshine 71%  

What to Wear in Rijeka in August

Warm weather calls for comfortable, breathable clothing in August. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Expect water temperatures of around 25°C (77°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Rijeka in August

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

9/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Croatia, check out our Rijeka's climate page.

More climate data for Rijeka

Temperature Rainfall Sunshine Humidity Water Temp

See the full Rijeka climate overview or explore weather in Croatia.