December Weather in Keratsini, Greece

Last updated: August 23, 2025

In Keratsini, Greece, the average temperature in December hovers around 11°C (53°F), with a range that can dip to a chilly 3°C (37°F) and peak at a mild 20°C (68°F). Expect about 68 mm (2.7 in) of precipitation over 9 days, with an average humidity of 76%, making it a notably damp time of year.

December Temperature in Keratsini

In December in Keratsini, the average temperature is 11°C (53°F), with maximums reaching 20°C (68°F) and minimums dipping as low as 3°C (37°F). This makes Keratsini an ideal destination for travelers seeking a mild climate.

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

The chart illustrates December temperature patterns in Keratsini, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Keratsini, December typically has an average temperature of 11°C (53°F), with highs reaching up to 20°C (68°F) and lows dropping to around 3°C (37°F).

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

December Precipitation in Keratsini

In Keratsini in December, the precipitation amount is 68 mm (2.7 in) spread over 9 days.

December Precipitation Trends in Keratsini

The chart displays monthly precipitation patterns in Keratsini, 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 Keratsini, December typically receives around 68 mm (2.7 inches) of precipitation spread over approximately 9 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 Keratsini

In Keratsini in December, humidity is 76%. With an average temperature of 11°C (53°F), this humidity feels like a brisk chill that can make outdoor excursions slightly uncomfortable, as the dampness in the air clings to your skin, making layered clothing essential for any travelers venturing out.

December Average Humidity in Keratsini

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

In Keratsini 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 Keratsini, you can check the information here.

Maximum UV Index Levels in Keratsini for December

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

Data source: Keratsini 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 Keratsini Compares to Other Months

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

This table compares monthly weather conditions in Keratsini, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	9°C (48°F)	60 mm (2.3 inches)	76%	moderate
February Weather	10°C (51°F)	53 mm (2.1 inches)	75%	moderate
March Weather	12°C (53°F)	41 mm (1.6 inches)	74%	high
April Weather	15°C (59°F)	42 mm (1.6 inches)	75%	very high
May Weather	20°C (68°F)	22 mm (0.9 inches)	77%	very high
June Weather	24°C (76°F)	31 mm (1.2 inches)	71%	very high
July Weather	27°C (82°F)	9 mm (0.4 inches)	68%	very high
August Weather	28°C (82°F)	5 mm (0.2 inches)	63%	very high
September Weather	24°C (75°F)	22 mm (0.9 inches)	65%	very high
October Weather	19°C (66°F)	40 mm (1.6 inches)	72%	high
November Weather	15°C (59°F)	56 mm (2.2 inches)	75%	moderate
December Weather	11°C (53°F)	68 mm (2.7 inches)	76%	moderate