January Weather in Ostrovo, Croatia

Last updated: August 23, 2025

In January, the average temperature in Ostrovo, Croatia hovers around 1°C (34°F). Expect a range from a chilly -18°C (0°F) on the low end to a pleasant 16°C (62°F) at its warmest. During this time, precipitation totals approximately 44 mm (1.7 in) spread over 8 days, and with an average humidity of 89%, don't forget your umbrella!

January Temperature in Ostrovo

In January in Ostrovo, the average temperature is 1°C (34°F), with maximums reaching 16°C (62°F) and minimums dropping as low as -18°C (0°F). Travelers should be prepared for a wide range of temperatures and pack accordingly to ensure comfort during their visit.

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

The chart illustrates January temperature patterns in Ostrovo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ostrovo, January typically has an average temperature of 1°C (34°F), with highs reaching up to 16°C (62°F) and lows dropping to around -18°C (0°F).

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

January Precipitation in Ostrovo

In Ostrovo in January, the total precipitation amount is 44 mm (1.7 in) over a duration of 8 days.

January Precipitation Trends in Ostrovo

The chart displays monthly precipitation patterns in Ostrovo, 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 Ostrovo, January typically receives around 44 mm (1.7 inches) of precipitation spread over approximately 8 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 Ostrovo

In Ostrovo in January humidity is 89%. With an average temperature of 1°C (34°F), this humidity feels like a chilling dampness that seeps into your bones, making travel uncomfortable and requiring extra layers to combat the cold and moisture.

January Average Humidity in Ostrovo

This chart illustrates the average monthly humidity levels in Ostrovo, 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 Ostrovo is approximately 89%, 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 Ostrovo

In Ostrovo 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 Ostrovo, you can visit Hourly UV Index in Ostrovo.

Maximum UV Index Levels in Ostrovo for January

The chart shows the monthly maximum UV Index (UVI) for Ostrovo 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 Ostrovo typically reaches 2, which falls under the low exposure category.

Data source: Ostrovo 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 Ostrovo Compares to Other Months

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

This table compares monthly weather conditions in Ostrovo, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	1°C (34°F)	44 mm (1.7 inches)	89%	low
February Weather	5°C (41°F)	53 mm (2.1 inches)	84%	moderate
March Weather	8°C (46°F)	54 mm (2.1 inches)	77%	moderate
April Weather	13°C (55°F)	54 mm (2.1 inches)	70%	high
May Weather	17°C (63°F)	79 mm (3.1 inches)	70%	very high
June Weather	22°C (72°F)	68 mm (2.7 inches)	68%	very high
July Weather	24°C (75°F)	73 mm (2.9 inches)	63%	very high
August Weather	24°C (75°F)	48 mm (1.9 inches)	52%	very high
September Weather	19°C (66°F)	34 mm (1.3 inches)	61%	high
October Weather	13°C (56°F)	53 mm (2.1 inches)	81%	moderate
November Weather	8°C (47°F)	54 mm (2.1 inches)	86%	moderate
December Weather	4°C (39°F)	68 mm (2.7 inches)	89%	low