January Weather in Hreljin, Croatia

Last updated: August 23, 2025

In January, the average temperature in Hreljin, Croatia hovers around 3°C (38°F), with a minimum drop to -13°C (10°F) and a maximum reaching up to 13°C (56°F). Expect 105 mm (4.1 in) of precipitation over approximately 9 days, contributing to an average humidity of 88%. Prepare for a chilly, damp month!

January Temperature in Hreljin

In January in Hreljin, the average temperature is 3°C (38°F), with maximums reaching 13°C (56°F) and minimums dropping as low as -13°C (10°F). Travelers should be prepared for chilly weather and pack accordingly.

January Weather in Hreljin: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Hreljin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hreljin, January typically has an average temperature of 3°C (38°F), with highs reaching up to 13°C (56°F) and lows dropping to around -13°C (10°F).

Data source: Temperature data for Hreljin generated using information from the Copernicus Climate Change Service.

January Precipitation in Hreljin

In Hreljin in January, the total precipitation amount reaches 105 mm (4.1 in) over the course of 9 days.

January Precipitation Trends in Hreljin

The chart displays monthly precipitation patterns in Hreljin, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Hreljin, January typically receives around 105 mm (4.1 inches) of precipitation spread over approximately 9 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

January Humidity in Hreljin

In Hreljin in January, humidity is 88%. With an average temperature of 3°C (38°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and requiring extra layers to stay comfortable while traveling.

January Average Humidity in Hreljin

This chart illustrates the average monthly humidity levels in Hreljin, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Hreljin is approximately 88%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Hreljin

In Hreljin in January, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Hreljin, you can visit Hourly UV Index in Hreljin.

Maximum UV Index Levels in Hreljin for January

The chart shows the monthly maximum UV Index (UVI) for Hreljin in January, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In January, the maximum UV index in Hreljin typically reaches 2, which falls under the low exposure category.

Data source: Hreljin January UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How January Weather in Hreljin Compares to Other Months

Weather in Hreljin varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Hreljin, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Hreljin, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	3°C (38°F)	105 mm (4.1 inches)	88%	low
February Weather	5°C (42°F)	168 mm (6.6 inches)	82%	moderate
March Weather	7°C (45°F)	115 mm (4.5 inches)	73%	moderate
April Weather	11°C (52°F)	110 mm (4.3 inches)	73%	high
May Weather	15°C (59°F)	164 mm (6.5 inches)	70%	very high
June Weather	20°C (69°F)	74 mm (2.9 inches)	69%	very high
July Weather	22°C (72°F)	85 mm (3.3 inches)	63%	very high
August Weather	23°C (73°F)	72 mm (2.8 inches)	51%	very high
September Weather	18°C (64°F)	194 mm (7.7 inches)	64%	high
October Weather	13°C (56°F)	162 mm (6.4 inches)	83%	moderate
November Weather	9°C (48°F)	204 mm (8.0 inches)	89%	moderate
December Weather	5°C (41°F)	226 mm (8.9 inches)	88%	low