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December Weather in Arriana, Greece

Last updated: August 23, 2025

In December, the average temperature in Arriana, Greece hovers around 8°C (46°F), with a chilly minimum dipping to -4°C (26°F) and a pleasant maximum reaching 18°C (65°F). Expect 156 mm (6.2 in) of precipitation spread over approximately 12 days, accompanied by a high average humidity of 86%, creating a moist and cool atmosphere perfect for cozy indoor activities.

December Temperature in Arriana

In December in Arriana, the average temperature is 8°C (46°F). The maximum can reach 18°C (65°F), while the minimum can drop as low as -4°C (26°F). Travelers should be prepared for a mix of cool and mild weather, making it a great time to explore.

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

The chart illustrates December temperature patterns in Arriana, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Arriana, December typically has an average temperature of 8°C (46°F), with highs reaching up to 18°C (65°F) and lows dropping to around -4°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec404548556573798072605346
Data source: Temperature data for Arriana 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 Arriana

In Arriana in December, the precipitation amount is 156 mm (6.2 in), occurring over the course of 12 days.

December Precipitation Trends in Arriana

The chart displays monthly precipitation patterns in Arriana, 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 Arriana, December typically receives around 156 mm (6.2 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec10376776455753810208989156
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Arriana

In Arriana in December humidity is 86%. With an average temperature of 8°C (46°F), this humidity feels like a damp chill enveloping you, making outdoor activities less enjoyable and requiring extra layers to stay comfortable while exploring.

December Average Humidity in Arriana

This chart illustrates the average monthly humidity levels in Arriana, 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 Arriana is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%84%81%72%74%65%59%49%57%76%84%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Arriana

In Arriana in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Arriana, you can visit Hourly UV Index in Arriana.

Maximum UV Index Levels in Arriana for December

The chart shows the monthly maximum UV Index (UVI) for Arriana 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 Arriana typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34689101098632
Data source: Arriana 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 Arriana Compares to Other Months

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

This table compares monthly weather conditions in Arriana, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)103 mm (4.1 inches)87%moderate
February Weather7°C (45°F)76 mm (3.0 inches)84%moderate
March Weather9°C (48°F)77 mm (3.0 inches)81%high
April Weather13°C (55°F)64 mm (2.5 inches)72%very high
May Weather18°C (65°F)55 mm (2.2 inches)74%very high
June Weather23°C (73°F)75 mm (2.9 inches)65%very high
July Weather26°C (79°F)38 mm (1.5 inches)59%very high
August Weather27°C (80°F)10 mm (0.4 inches)49%very high
September Weather22°C (72°F)20 mm (0.8 inches)57%very high
October Weather16°C (61°F)89 mm (3.5 inches)76%high
November Weather11°C (53°F)89 mm (3.5 inches)84%moderate
December Weather8°C (46°F)156 mm (6.2 inches)86%low

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