Hreljin Weather in October

October in Hreljin typically sees daytime highs of 16°C (61°F) and nighttime lows of 9°C (48°F). October falls within the rainy season, so heavy rainfall is to be expected.

Rainfall in Hreljin in October

As part of the rainy season, Hreljin sees around 13 days of rain in October, with an average of 192 mm (7.6 in). Rainy season showers tend to be fairly substantial. A good rain jacket or umbrella is worth having with you most days.

Temperature in Hreljin in October

In October, expect moderate temperatures in Hreljin, with highs of 16°C (61°F) and lows of 9°C (48°F) at night. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights drop to 9°C (48°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

Sunshine in Hreljin in October

The city usually sees around 163 hours of sunlight, indicating a moderately sunny period (despite it being part of rainy season).

Average water temperature in October

At 20°C (68°F), the water is getting there — comfortable enough for most swimmers, though those used to warmer seas may still find it a touch cool.

October in Hreljin has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.

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Hreljin Temperature in October

Min Temperature 9°C (48°F)  

Max Temperature 16°C (61°F)  

Water Temperature 20°C (68°F) *  

Chance of Rain 43%  

Precipitation 192 mm (7.6 in)  

Rainy days 13 days  

Humidity 66% *  

Sunshine 163 hours *  

Percentage Sunshine 51% *  

* Data from: Rijeka, Croatia (16 KM, 10 Miles).

What to Wear in Hreljin in October

For Hreljin in October, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Also bring a poncho, it will rain a lot! Waterproof everything you can. With water temperatures around 20°C (68°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Hreljin in October

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

Swimming

5/10

Cycling

5/10

Walking

5/10

Camping

3/10

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 Hreljin's climate page.

More climate data for Hreljin

Temperature Rainfall Sunshine Humidity Water Temp

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