December Weather in Gialos, Greece

Last updated: August 23, 2025

In December, the average temperature in Gialos, Greece hovers around 13°C (55°F). Expect minimum temperatures to dip to 5°C (42°F), while highs can reach up to 19°C (67°F). The month brings about 112 mm (4.4 in) of precipitation over approximately 14 days, with humidity levels averaging around 71%. Prepare for a mix of cool and damp weather!

December Temperature in Gialos

In December in Gialos, the average temperature is 13°C (55°F). Maximums can reach 19°C (67°F), and minimums can be as low as 5°C (42°F). It’s advisable to pack layers to comfortably enjoy your travels in this mild and variable climate.

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

The chart illustrates December temperature patterns in Gialos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Gialos, December typically has an average temperature of 13°C (55°F), with highs reaching up to 19°C (67°F) and lows dropping to around 5°C (42°F).

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

December Precipitation in Gialos

In Gialos in December, the precipitation amount is 112 mm (4.4 in) spread over 14 days.

December Precipitation Trends in Gialos

The chart displays monthly precipitation patterns in Gialos, 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 Gialos, December typically receives around 112 mm (4.4 inches) of precipitation spread over approximately 14 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 Gialos

In Gialos in December humidity is 71%. With an average temperature of 13°C (55°F), this humidity feels like a damp embrace, making travel a bit challenging as the moisture clings to your skin and the air feels thick, creating a sense of heaviness that can sap your energy while exploring.

December Average Humidity in Gialos

This chart illustrates the average monthly humidity levels in Gialos, 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 Gialos is approximately 71%, 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 Gialos

In Gialos 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 Gialos, you can check the information here.

Maximum UV Index Levels in Gialos for December

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

Data source: Gialos 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 Gialos Compares to Other Months

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

This table compares monthly weather conditions in Gialos, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (51°F)	94 mm (3.7 inches)	71%	moderate
February Weather	11°C (52°F)	77 mm (3.0 inches)	72%	moderate
March Weather	12°C (54°F)	67 mm (2.6 inches)	74%	high
April Weather	15°C (60°F)	28 mm (1.1 inches)	78%	very high
May Weather	19°C (67°F)	19 mm (0.7 inches)	84%	very high
June Weather	23°C (73°F)	12 mm (0.5 inches)	83%	extreme
July Weather	26°C (79°F)	3 mm (0.1 inches)	81%	very high
August Weather	27°C (80°F)	2 mm (0.1 inches)	78%	very high
September Weather	24°C (75°F)	29 mm (1.1 inches)	74%	very high
October Weather	20°C (68°F)	39 mm (1.5 inches)	73%	high
November Weather	16°C (62°F)	69 mm (2.7 inches)	71%	moderate
December Weather	13°C (55°F)	112 mm (4.4 inches)	71%	moderate