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December Weather in Sikinos, Greece

Last updated: August 23, 2025

In December, the average temperature in Sikinos, Greece hovers around 15°C (60°F). Expect a comfortable range, with minimums dipping to 9°C (48°F) and maximums reaching 20°C (69°F). Be prepared for some rain, as 82 mm (3.2 in) of precipitation is anticipated over approximately 13 days, while the average humidity remains relatively high at 76%.

December Temperature in Sikinos

In December in Sikinos, the average temperature is 15°C (60°F). Maximums can reach 20°C (69°F), while minimums can be as low as 9°C (48°F). This moderate climate makes it an ideal time for sightseeing and outdoor activities.

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

The chart illustrates December temperature patterns in Sikinos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sikinos, December typically has an average temperature of 15°C (60°F), with highs reaching up to 20°C (69°F) and lows dropping to around 9°C (48°F).
JanFebMarAprMayJunJulAugSepOctNovDec555757606673777774696459
Data source: Temperature data for Sikinos generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Sikinos

In Sikinos in December, the total precipitation amount is 82 mm (3.2 in), occurring over the course of 13 days.

December Precipitation Trends in Sikinos

The chart displays monthly precipitation patterns in Sikinos, 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 Sikinos, December typically receives around 82 mm (3.2 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec9359411743124244882
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Sikinos

In Sikinos in December humidity is 76%. With an average temperature of 15°C (60°F), this humidity feels like a warm, damp blanket wrapping around you, making outdoor activities a bit more challenging and urging you to stay hydrated while exploring the area.

December Average Humidity in Sikinos

This chart illustrates the average monthly humidity levels in Sikinos, 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 Sikinos is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%75%74%75%77%72%68%63%65%72%75%76%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Sikinos

In Sikinos 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 Sikinos, you can check the information here.

Maximum UV Index Levels in Sikinos for December

The chart shows the monthly maximum UV Index (UVI) for Sikinos 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 Sikinos typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357991010108743
Data source: Sikinos 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 Sikinos Compares to Other Months

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

This table compares monthly weather conditions in Sikinos, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather13°C (56°F)93 mm (3.6 inches)76%moderate
February Weather14°C (57°F)59 mm (2.3 inches)75%moderate
March Weather14°C (58°F)41 mm (1.6 inches)74%high
April Weather16°C (61°F)17 mm (0.7 inches)75%very high
May Weather19°C (66°F)3 mm (0.1 inches)77%very high
June Weather23°C (73°F)2 mm (0.1 inches)71%very high
July Weather25°C (77°F)1 mm (0.0 inches)68%very high
August Weather25°C (77°F)2 mm (0.1 inches)63%very high
September Weather24°C (75°F)4 mm (0.2 inches)65%very high
October Weather21°C (69°F)24 mm (1.0 inches)72%high
November Weather18°C (65°F)48 mm (1.9 inches)75%moderate
December Weather15°C (60°F)82 mm (3.2 inches)76%moderate

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