Hreljin Weather in December

With daytime temperatures of 7°C (45°F) and nighttime lows of 1°C (34°F), December in Hreljin brings low temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 162 mm (6.4 in) falls on average.

Rainfall in Hreljin in December

You can typically expect 15 days of rain this month, averaging around 162 mm (6.4 in). The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Hreljin in December

Expect highs of 7°C (45°F) in Hreljin in December, with nights dropping to around 1°C (34°F). The month of December belongs to the winter season. Temperatures remain on the cold side all day. A proper warm jacket is worth having, not just for evenings. Nights drop to 1°C (34°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

Sunshine in Hreljin in December

The area enjoys a moderate level of sunlight, with around 100 hours. It's a good balance between sunny and cloudy days.

Average water temperature in December

The water is 14°C (57°F) this month — cool enough to feel refreshing on a warm day, but cold enough that most people won't stay in for long without a wetsuit.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. July and August typically offer the best weather for Hreljin.

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

Hreljin Temperature in December

Min Temperature 1°C (34°F)  

Max Temperature 7°C (45°F)  

Water Temperature 14°C (57°F) *  

Chance of Rain 48%  

Precipitation 162 mm (6.4 in)  

Rainy days 15 days  

Humidity 66% *  

Sunshine 100 hours *  

Percentage Sunshine 39% *  

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

What to Wear in Hreljin in December

Dress warmly and in layers for your trip to Hreljin in December. A good base layer system works wonders. Start with good thermal underwear, add something warm like a fleece sweater, then finish with a waterproof jacket on top. It's going to pour! Pack a good poncho and prepare for very wet conditions. Expect water temperatures of around 14°C (57°F), which is definitely too cold for comfortable swimming. Your luggage space is better used for other items. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Hreljin in December

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

Swimming

5/10

Cycling

4/10

Walking

4/10

Camping

3/10

Outdoor sports

4/10

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.