December Weather in Karystos, Greece

Last updated: August 23, 2025

In December, the average temperature in Karystos, Greece is a mild 13°C (56°F), with daytime highs reaching up to 20°C (69°F) and nighttime lows dipping to 5°C (40°F). Expect 92 mm (3.6 inches) of precipitation over approximately 12 days, accompanied by an average humidity level of 76%. Stay prepared for a mix of weather conditions!

December Temperature in Karystos

In December in Karystos, the average temperature is 13°C (56°F). Maximums can reach 20°C (69°F), while minimums can drop as low as 5°C (40°F). This mild climate makes Karystos a pleasant destination for travelers seeking a comfortable escape.

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

The chart illustrates December temperature patterns in Karystos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Karystos, December typically has an average temperature of 13°C (56°F), with highs reaching up to 20°C (69°F) and lows dropping to around 5°C (40°F).

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

December Precipitation in Karystos

In Karystos in December, the precipitation amount is 92 mm (3.6 in) over the course of 12 days.

December Precipitation Trends in Karystos

The chart displays monthly precipitation patterns in Karystos, 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 Karystos, December typically receives around 92 mm (3.6 inches) of precipitation spread over approximately 12 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 Karystos

In Karystos in December humidity is 76%. With an average temperature of 13°C (56°F), this humidity feels like a damp blanket enveloping you, making travel a bit uncomfortable as you navigate through the heavy, moisture-laden air.

December Average Humidity in Karystos

This chart illustrates the average monthly humidity levels in Karystos, 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 Karystos is approximately 76%, 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 Karystos

In Karystos in December, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Karystos, you can check the information here.

Maximum UV Index Levels in Karystos for December

The chart shows the monthly maximum UV Index (UVI) for Karystos 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 Karystos typically reaches 3, which falls under the moderate exposure category.

Data source: Karystos 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 Karystos Compares to Other Months

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

This table compares monthly weather conditions in Karystos, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	11°C (52°F)	81 mm (3.2 inches)	76%	moderate
February Weather	12°C (54°F)	60 mm (2.4 inches)	75%	moderate
March Weather	13°C (55°F)	51 mm (2.0 inches)	74%	high
April Weather	15°C (59°F)	34 mm (1.3 inches)	75%	very high
May Weather	19°C (67°F)	17 mm (0.7 inches)	77%	very high
June Weather	23°C (74°F)	15 mm (0.6 inches)	71%	very high
July Weather	26°C (79°F)	10 mm (0.4 inches)	68%	very high
August Weather	26°C (79°F)	3 mm (0.1 inches)	63%	very high
September Weather	23°C (75°F)	13 mm (0.5 inches)	65%	very high
October Weather	19°C (67°F)	30 mm (1.2 inches)	72%	high
November Weather	16°C (62°F)	53 mm (2.1 inches)	75%	moderate
December Weather	13°C (56°F)	92 mm (3.6 inches)	76%	moderate