December Weather in Klis, Croatia

Last updated: August 23, 2025

In December, the average temperature in Klis, Croatia hovers around 9°C (49°F), with minimums dipping to 0°C (32°F) and maximums reaching 16°C (60°F). Expect 233 mm (9.2 in) of precipitation spread over 16 days, contributing to a notable average humidity of 81%. Prepare for a mix of chilly days and damp weather!

December Temperature in Klis

In December in Klis, the average temperature is 9°C (49°F). Maximum temperatures can reach 16°C (60°F), while minimums can drop to as low as 0°C (32°F). This climate makes it a great time for travelers to enjoy cooler outdoor activities while layering up for warmth.

December Weather in Klis: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Klis, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Klis, December typically has an average temperature of 9°C (49°F), with highs reaching up to 16°C (60°F) and lows dropping to around 0°C (32°F).

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

December Precipitation in Klis

In Klis in December, the total precipitation amount is 233 mm (9.2 in) over a span of 16 days.

December Precipitation Trends in Klis

The chart displays monthly precipitation patterns in Klis, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Klis, December typically receives around 233 mm (9.2 inches) of precipitation spread over approximately 16 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

December Humidity in Klis

In Klis in December humidity is 81%. With an average temperature of 9°C (49°F), this humidity feels like a damp chill clinging to your skin, making outdoor explorations rather uncomfortable and potentially dreary for travelers.

December Average Humidity in Klis

This chart illustrates the average monthly humidity levels in Klis, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Klis is approximately 81%, offering insight into how humid the weather typically is during this month.

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

December UV Index in Klis

In Klis in December, 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 Klis, you can visit Hourly UV Index in Klis.

Maximum UV Index Levels in Klis for December

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

Data source: Klis December 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 December Weather in Klis Compares to Other Months

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

This table compares monthly weather conditions in Klis, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	7°C (45°F)	106 mm (4.2 inches)	83%	low
February Weather	9°C (48°F)	112 mm (4.4 inches)	76%	moderate
March Weather	10°C (50°F)	96 mm (3.8 inches)	73%	high
April Weather	13°C (55°F)	85 mm (3.4 inches)	75%	high
May Weather	17°C (63°F)	75 mm (2.9 inches)	78%	very high
June Weather	22°C (71°F)	35 mm (1.4 inches)	75%	very high
July Weather	24°C (75°F)	26 mm (1.0 inches)	71%	very high
August Weather	25°C (77°F)	28 mm (1.1 inches)	65%	very high
September Weather	21°C (70°F)	102 mm (4.0 inches)	69%	high
October Weather	17°C (62°F)	111 mm (4.4 inches)	76%	moderate
November Weather	13°C (56°F)	257 mm (10.1 inches)	81%	moderate
December Weather	9°C (49°F)	233 mm (9.2 inches)	81%	low