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Hreljin Weather and Climate: A Comprehensive Guide

Hreljin experiences great temperature shifts. The city's weather can transition from warm days to cold weather. It also has a notably wet climate with much precipitation. Let’s explore the climate details in depth to provide you with a complete overview.

Average maximum day and minimum night temperature

The climate in Hreljin is known for significant temperature differences throughout the year, making the weather dynamic. Average maximum daytime temperatures range from a comfortable 27°C in August, the warmest time of the year, to a chilly 6°C during cooler months like January.

At night, temperatures typically drop to an average of around -1°C during these months. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Hreljin has a notably wet climate with abundant precipitation, recording 1656 mm of rain/snowfall per year. Significant seasonal changes in precipitation occur throughout the year. During the wetter season, November receives heavy rainfall, averaging 207 mm of precipitation, recorded across 15 rainy days. In contrast, the drier season, July brings less rainfall, with 85 mm over 12 rainy days. For more details, please visit our Hreljin Precipitation page.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

Seasonal changes in sunshine hours are quite dramatic in Hreljin. While July receives considerable daily sunshine with up to 9.9 hours, December marks the darkest time of the year, where sunshine is scarce with only 3.3 hours of sunlight per day. Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

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

Daily hours of sunshine

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

Average water temperature

The mean water temperature over the year ranges from 11°C in January to 25°C in August.

Water temperature over the year

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

Forecast for Hreljin

Mon   Jan 06
13°C | 7°C
S 7 m/s
20 mm
broken clouds and rain

broken clouds and rain

Tue   Jan 07
13°C | 7°C
SW 5 m/s
20 mm
overcast and heavy rain

overcast and heavy rain

Wed   Jan 08
12°C | 7°C
SW 7 m/s
12 mm
overcast and heavy rain

overcast and heavy rain

Select a Month of Interest

Check the weather conditions for any month in Hreljin.

The best time of year to visit Hreljin in Croatia

During the months of June and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • Which months have the greatest rainfall in Hreljin?
    Most rainfall (rainy season) is seen in September, October, November and December.
  • Which is the warmest month in Hreljin?
    August has an average maximum temperature of 27°C and is the warmest month of the year.
  • Which is the coldest month in Hreljin?
    The coldest month is January with an average maximum temperature of 6°C.
  • Which is the wettest month in Hreljin?
    November tops the wettest month list with 207 mm of rainfall.
  • Which is the driest month in Hreljin?
    July is the driest month with 85 mm of precipitation.
  • Which is the sunniest month in Hreljin?
    July is the sunniest month with an average of 298 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.