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December Weather in Iasmos, Greece

Last updated: August 23, 2025

In Iasmos, Greece, the average temperature in December hovers around 6°C (43°F). However, temperatures can swing from a chilly -7°C (20°F) to a pleasant 18°C (64°F). Expect some wet days, as the area receives an average precipitation of 159 mm (6.3 in) over approximately 12 days. Stay prepared for the damp conditions with an average humidity level of 86%!

December Temperature in Iasmos

In December in Iasmos, the average temperature is 6°C (43°F). Maximums can reach 18°C (64°F), while minimums can dip as low as -7°C (20°F). Travelers should be prepared for a wide range of temperatures, so dressing in layers is advisable.

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

The chart illustrates December temperature patterns in Iasmos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Iasmos, December typically has an average temperature of 6°C (43°F), with highs reaching up to 18°C (64°F) and lows dropping to around -7°C (20°F).
JanFebMarAprMayJunJulAugSepOctNovDec384246546370767870585043
Data source: Temperature data for Iasmos 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 Iasmos

In Iasmos in December, the precipitation amount is 159 mm (6.3 in) spread over a period of 12 days.

December Precipitation Trends in Iasmos

The chart displays monthly precipitation patterns in Iasmos, 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 Iasmos, December typically receives around 159 mm (6.3 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec9270876550714011238395159
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Iasmos

In Iasmos in December humidity is 86%. With an average temperature of 6°C (43°F), this humidity feels like a chilling blanket enveloping you, making outdoor exploration feel damp and uncomfortable.

December Average Humidity in Iasmos

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

In Iasmos 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 Iasmos, you can visit Hourly UV Index in Iasmos.

Maximum UV Index Levels in Iasmos for December

The chart shows the monthly maximum UV Index (UVI) for Iasmos 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 Iasmos typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24689101098632
Data source: Iasmos 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 Iasmos Compares to Other Months

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

This table compares monthly weather conditions in Iasmos, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)92 mm (3.6 inches)87%low
February Weather6°C (43°F)69 mm (2.7 inches)84%moderate
March Weather8°C (46°F)87 mm (3.4 inches)81%high
April Weather12°C (54°F)65 mm (2.6 inches)72%very high
May Weather17°C (63°F)50 mm (2.0 inches)74%very high
June Weather21°C (71°F)70 mm (2.8 inches)65%very high
July Weather24°C (76°F)40 mm (1.6 inches)59%very high
August Weather25°C (78°F)10 mm (0.4 inches)49%very high
September Weather21°C (70°F)23 mm (0.9 inches)57%very high
October Weather14°C (58°F)83 mm (3.3 inches)76%high
November Weather10°C (50°F)95 mm (3.7 inches)84%moderate
December Weather6°C (43°F)159 mm (6.3 inches)86%low

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