Hreljin Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Hreljin.
Climate overview of Hreljin
Temperatures in Hreljin, Primorje-Gorski Kotar County, Croatia, vary greatly throughout the year. August is the hottest month at 27°C (81°F), while January is the coldest at 6°C (43°F).
Rain/snowfall is high, totalling around 1656 mm (65 in) per year. November is the wettest month and July the driest. The city also experiences a distinct rainy season from September to November, with warm summers and cold winters. Sunshine peaks in July, when the city sees around 9.9 hours of sunshine per day.
Hreljin Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Hreljin - and find the best time to visit.
Monthly Temperature in Hreljin
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 (81°F) in August, the warmest time of the year, to a chilly 6°C (43°F) during cooler months like January.
At night, you can expect temperatures ranging from 17°C (63°F) in August to around -1°C (30°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Hreljin
Hreljin has a notably wet climate with abundant precipitation, recording 1656 mm (65 in) of rain/snowfall per year. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, November it receives heavy rainfall, averaging 207 mm (8.1 in) of precipitation, recorded across 15 rainy days. In contrast, the driest month July brings less rainfall, with 85 mm (3.3 in) 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
The average number of days each month with precipitation
Sunshine Hours in Hreljin
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
Daily hours of sunshine
Daily percentage of sunshine
Water Temperature in Hreljin
The mean water temperature over the year ranges from 11°C (52°F) in January to 25°C (77°F) in August.
Water temperature over the year
Humidity in Hreljin by Month
The relative humidity is high throughout the year in Hreljin.
The city experiences its highest humidity in November, reaching 67%. In July, the humidity drops to its lowest level at 56%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Hreljin
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: July and August
- Warmest weather: July and August
- Most sunshine: July
- Best for swimming: June, July, August and September.
- Seasonal pattern: A distinct rainy season from September to November, with warm summers and cold winters
- Coldest conditions: January, with freezing nights around -1°C (30°F).
Frequently asked questions about the climate in Hreljin
What is the best time to visit Hreljin?
July and August typically offer the most optimal weather in Hreljin. In contrast, January, February, March, October, November and December tend to have less optimal conditions. Hreljin has a distinct rainy season from September to November, with warm summers and cold winters.
What temperatures can I expect in Hreljin?
Daytime highs range from 6°C (43°F) in January to 27°C (81°F) in August. Nighttime lows range from -1°C (30°F) to 17°C (63°F). Temperatures vary considerably through the year.
How much rain does Hreljin get?
Annual rainfall is around 1656 mm (65 in). November is the wettest month with 207 mm (8.1 in), while July is the driest with 85 mm (3.3 in).
How sunny is Hreljin?
Hreljin receives around 2,222 hours of sunshine per year. July is the sunniest month with 298 hours, while December is the cloudiest with just 100 hours. Overall, Hreljin enjoys abundant sunshine.
Hreljin 3-Day Forecast
Hreljin 3-Day Forecast
Hreljin on the map
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