January Weather in Sunja, Croatia

Last updated: August 23, 2025

In January, the average temperature in Sunja, Croatia hovers around 1°C (35°F). Expect a chilly range, with minimum temperatures dipping to -15°C (6°F) and highs reaching up to 17°C (64°F). During this month, you can anticipate 51 mm (2.0 in) of precipitation over 9 days, while the average humidity lingers at a brisk 89%.

January Temperature in Sunja

In January in Sunja, the average temperature is 1°C (35°F). Maximum temperatures can reach 17°C (64°F), while minimums can drop as low as -15°C (6°F). Be prepared for a wide range of temperatures during your travels, so pack accordingly!

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

The chart illustrates January temperature patterns in Sunja, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sunja, January typically has an average temperature of 1°C (35°F), with highs reaching up to 17°C (64°F) and lows dropping to around -15°C (6°F).

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

January Precipitation in Sunja

In Sunja in January, the total precipitation amount is 51 mm (2.0 in) spread over 9 days.

January Precipitation Trends in Sunja

The chart displays monthly precipitation patterns in Sunja, 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 Sunja, January typically receives around 51 mm (2.0 inches) of precipitation spread over approximately 9 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in Sunja

In Sunja in January humidity is 89%. With an average temperature of 1°C (35°F), this humidity feels like a chilly dampness enveloping you, making traveling quite uncomfortable as every breath brings a lingering chill and the air feels heavy, often leading to a sense of unease as you navigate through the damp conditions.

January Average Humidity in Sunja

This chart illustrates the average monthly humidity levels in Sunja, 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 Sunja 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 Sunja

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

Maximum UV Index Levels in Sunja for January

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

Data source: Sunja 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 Sunja Compares to Other Months

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

This table compares monthly weather conditions in Sunja, 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 (35°F)	51 mm (2.0 inches)	89%	low
February Weather	5°C (41°F)	70 mm (2.7 inches)	83%	moderate
March Weather	8°C (46°F)	59 mm (2.3 inches)	75%	moderate
April Weather	12°C (54°F)	78 mm (3.1 inches)	72%	high
May Weather	16°C (62°F)	123 mm (4.8 inches)	70%	very high
June Weather	22°C (71°F)	85 mm (3.3 inches)	69%	very high
July Weather	23°C (73°F)	87 mm (3.4 inches)	64%	very high
August Weather	23°C (73°F)	82 mm (3.2 inches)	51%	very high
September Weather	18°C (64°F)	96 mm (3.8 inches)	62%	high
October Weather	13°C (55°F)	90 mm (3.5 inches)	81%	moderate
November Weather	8°C (46°F)	86 mm (3.4 inches)	87%	moderate
December Weather	4°C (39°F)	88 mm (3.5 inches)	88%	low