December Weather in Rasa, Croatia

Last updated: August 23, 2025

In December, the average temperature in Rasa, Croatia hovers around 9°C (48°F). Expect a minimum of 2°C (36°F) and a pleasant maximum of 15°C (60°F). Prepare for 193 mm (7.6 in) of precipitation over about 14 days, contributing to an average humidity of a tropical 88%.

December Temperature in Rasa

In December in Rasa, the average temperature is 9°C (48°F). The maximum can reach 15°C (60°F), and the minimum can be as low as 2°C (36°F). This weather makes it a great time to explore Rasa, so be sure to pack layers for your trip!

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

The chart illustrates December temperature patterns in Rasa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rasa, December typically has an average temperature of 9°C (48°F), with highs reaching up to 15°C (60°F) and lows dropping to around 2°C (36°F).

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

December Precipitation in Rasa

In Rasa in December, the total precipitation amount is 193 mm (7.6 in) spread over 14 days.

December Precipitation Trends in Rasa

The chart displays monthly precipitation patterns in Rasa, 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 Rasa, December typically receives around 193 mm (7.6 inches) of precipitation spread over approximately 14 days.

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

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Millimeters (mm) Inches (in)

December Humidity in Rasa

In Rasa in December, humidity is 88%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill settling into your bones, making outdoor exploration feel heavy and oppressive.

December Average Humidity in Rasa

This chart illustrates the average monthly humidity levels in Rasa, 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 Rasa is approximately 88%, 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 Rasa

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

Maximum UV Index Levels in Rasa for December

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

Data source: Rasa 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 Rasa Compares to Other Months

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

This table compares monthly weather conditions in Rasa, 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 (44°F)	85 mm (3.3 inches)	88%	low
February Weather	8°C (47°F)	132 mm (5.2 inches)	82%	moderate
March Weather	9°C (49°F)	80 mm (3.1 inches)	73%	moderate
April Weather	13°C (55°F)	92 mm (3.6 inches)	73%	high
May Weather	17°C (63°F)	121 mm (4.7 inches)	70%	very high
June Weather	22°C (72°F)	54 mm (2.1 inches)	69%	very high
July Weather	24°C (76°F)	61 mm (2.4 inches)	63%	very high
August Weather	25°C (77°F)	56 mm (2.2 inches)	51%	very high
September Weather	20°C (69°F)	187 mm (7.4 inches)	64%	high
October Weather	16°C (61°F)	136 mm (5.4 inches)	83%	moderate
November Weather	12°C (54°F)	205 mm (8.1 inches)	89%	moderate
December Weather	9°C (48°F)	193 mm (7.6 inches)	88%	low