December Weather in Kastanies, Greece

Last updated: August 23, 2025

In December, the average temperature in Kastanies, Greece hovers around 7°C (45°F), with minimums dipping to -5°C (23°F) and maximums reaching up to 20°C (68°F). Rainfall amounts to 85 mm (3.3 in) over approximately 10 days, contributing to an average humidity of 86%.

December Temperature in Kastanies

In December in Kastanies, the average temperature is 7°C (45°F). Maximums can reach 20°C (68°F), while minimums can drop as low as -5°C (23°F). Be prepared for a mix of mild and chilly weather when traveling during this time.

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

The chart illustrates December temperature patterns in Kastanies, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kastanies, December typically has an average temperature of 7°C (45°F), with highs reaching up to 20°C (68°F) and lows dropping to around -5°C (23°F).

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

December Precipitation in Kastanies

In Kastanies in December, the precipitation amount is 85 mm (3.3 in) over the course of 10 days.

December Precipitation Trends in Kastanies

The chart displays monthly precipitation patterns in Kastanies, 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 Kastanies, December typically receives around 85 mm (3.3 inches) of precipitation spread over approximately 10 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 Kastanies

In Kastanies in December, humidity is 86%. With an average temperature of 7°C (45°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration a bit uncomfortable and necessitating cozy layers to stay warm while navigating the moist air.

December Average Humidity in Kastanies

This chart illustrates the average monthly humidity levels in Kastanies, 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 Kastanies is approximately 86%, 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 Kastanies

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

Maximum UV Index Levels in Kastanies for December

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

Data source: Kastanies 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 Kastanies Compares to Other Months

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

This table compares monthly weather conditions in Kastanies, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	4°C (39°F)	64 mm (2.5 inches)	87%	low
February Weather	6°C (44°F)	51 mm (2.0 inches)	84%	moderate
March Weather	8°C (48°F)	57 mm (2.3 inches)	81%	high
April Weather	13°C (55°F)	49 mm (1.9 inches)	72%	high
May Weather	19°C (66°F)	46 mm (1.8 inches)	74%	very high
June Weather	23°C (73°F)	69 mm (2.7 inches)	65%	very high
July Weather	26°C (79°F)	36 mm (1.4 inches)	59%	very high
August Weather	27°C (80°F)	12 mm (0.5 inches)	49%	very high
September Weather	22°C (72°F)	14 mm (0.6 inches)	57%	high
October Weather	16°C (60°F)	74 mm (2.9 inches)	76%	high
November Weather	11°C (52°F)	47 mm (1.8 inches)	84%	moderate
December Weather	7°C (45°F)	85 mm (3.3 inches)	86%	low