nomadseason

December Weather in Sision, Greece

Last updated: August 23, 2025

In Sision, Greece, the average temperature in December is a mild 13°C (56°F). Expect minimums to dip down to 5°C (42°F) and highs reaching up to 23°C (73°F). With an average precipitation of 49 mm (1.9 in) spread over 11 days, it’s wise to be prepared for occasional rain. Don’t forget, the average humidity hovers around 72%, adding a touch of mugginess to the atmosphere.

December Temperature in Sision

In December in Sision, the average temperature is 13°C (56°F), with maximums reaching up to 23°C (73°F) and minimums dropping as low as 5°C (42°F). This mild climate makes it an ideal time for travelers to explore the area comfortably.

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

The chart illustrates December temperature patterns in Sision, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sision, December typically has an average temperature of 13°C (56°F), with highs reaching up to 23°C (73°F) and lows dropping to around 5°C (42°F).
JanFebMarAprMayJunJulAugSepOctNovDec525456617075808075696356
Data source: Temperature data for Sision generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Sision

In Sision in December, the total precipitation amount is 49 mm (1.9 in) spread over 11 days.

December Precipitation Trends in Sision

The chart displays monthly precipitation patterns in Sision, 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 Sision, December typically receives around 49 mm (1.9 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec44504824291713710244350
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Sision

In Sision in December, humidity is 72%. With an average temperature of 13°C (56°F), this humidity feels like a damp blanket enveloping you, making outdoor activities somewhat uncomfortable and reminding travelers to stay hydrated and seek shade whenever possible.

December Average Humidity in Sision

This chart illustrates the average monthly humidity levels in Sision, 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 Sision is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec72%73%75%79%85%84%83%81%80%77%73%73%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Sision

In Sision 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 Sision, you can check the information here.

Maximum UV Index Levels in Sision for December

The chart shows the monthly maximum UV Index (UVI) for Sision 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 Sision typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101110109753
Data source: Sision 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 Sision Compares to Other Months

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

This table compares monthly weather conditions in Sision, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (52°F)44 mm (1.7 inches)72%moderate
February Weather12°C (54°F)50 mm (2.0 inches)72%moderate
March Weather13°C (56°F)48 mm (1.9 inches)75%high
April Weather16°C (62°F)24 mm (1.0 inches)79%very high
May Weather21°C (70°F)29 mm (1.1 inches)85%very high
June Weather24°C (76°F)17 mm (0.7 inches)84%extreme
July Weather26°C (80°F)13 mm (0.5 inches)83%very high
August Weather26°C (80°F)7 mm (0.3 inches)81%very high
September Weather24°C (76°F)10 mm (0.4 inches)80%very high
October Weather20°C (69°F)24 mm (0.9 inches)77%high
November Weather17°C (63°F)43 mm (1.7 inches)73%moderate
December Weather13°C (56°F)49 mm (1.9 inches)72%moderate

Compare Sision's Climate with Cities Worldwide