December Weather in Chalki, Greece

Last updated: August 21, 2025

In December, Chalki, Greece experiences a mild and somewhat wet climate, with maximum temperatures reaching up to 20°C (69°F) and an average temperature of 16°C (61°F). The minimum temperatures can drop to 10°C (50°F), creating a comfortable atmosphere for visitors. This month is characterized by considerable precipitation, averaging 135 mm (5.3 in) over about 15 days, contributing to a humidity level of 78%. While the weather may be damp, the enchanting scenery and pleasant temperatures make December a unique time to explore this picturesque island.

December Temperature in Chalki

As December rolls into Chalki, Greece, the temperatures begin to reflect the mild embrace of winter. With minimums hovering around 10°C (50°F) and a comfortable average of 16°C (61°F), visitors can expect a pleasant shift from the warmer months. The maximum temperatures reach a balmy 20°C (69°F), making it one of the more temperate times of the year. This marks a transition from November's lingering warmth, signifying that while colder months are approaching, Chalki maintains a charm that invites exploration without the extreme chill of winter. The climate is perfect for enjoying the island's picturesque landscapes and historical sites at a comfortable pace.

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

The chart illustrates December temperature patterns in Chalki, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chalki, December typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec575859626773777977726761
Data source: Temperature data for Chalki 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 Chalki

In Chalki, Greece, December marks a notable shift in the weather pattern, as it welcomes the highest precipitation of the year, with 135 mm (5.3 in) accumulating over 15 days. This increase follows the relatively dry summer months, where July and August recorded no rainfall at all. As winter approaches, the contrast becomes stark; November sees 68 mm (2.7 in) over just 6 days, setting the stage for December's more frequent downpours. This trend culminates in a period where the island experiences both increased dampness and cooler temperatures, reminiscent of a cozy, rain-soaked holiday season that contrasts sharply with the arid summer skies.

December Precipitation Trends in Chalki

The chart displays monthly precipitation patterns in Chalki, 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 Chalki, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec120676321530012568135
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Chalki

In Chalki, Greece, December experiences a humidity level of 78%, slightly higher than the previous month's 77%. This reflects a stable trend throughout the year, where humidity remains relatively consistent, hovering around the 77% mark from January to June, before showing a gradual increase during the warmer months. Notably, May stands out with its peak of 81%, while August offers the lowest humidity at 66%. As the year winds down, December brings a slight uptick, echoing November's levels and indicating a stable, maritime climate that contributes to Chalki’s charming atmosphere in the winter months.

December Average Humidity in Chalki

This chart illustrates the average monthly humidity levels in Chalki, 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 Chalki is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%76%77%77%81%77%72%66%70%76%77%78%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Chalki

In Chalki, Greece, December brings a return to moderate UV Index levels, resting at 3, mirroring the beginning of the year in January. As the cooler winter months settle in, the recommended burn time remains steady at 30 minutes, allowing residents and visitors to enjoy outdoor activities without excessive risk. This seasonal dip follows a summer peak in June, where the UV Index soared to an extreme 11, and highlights the overall trend of increasing UV exposure from winter through summer. As the months progress, the UV Index gradually rises, peaking during the hottest months, indicating the importance of sun safety as one plans their time outdoors. For more details on the annual UV trends, visit Chalki UV Index.

Maximum UV Index Levels in Chalki for December

The chart shows the monthly maximum UV Index (UVI) for Chalki 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 Chalki typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101110109743
Data source: Chalki 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.

December Sunshine in Chalki

In Chalki, Greece, December embraces the winter season with a delightful 269 hours of sunshine, marking a gentle descent from the sun-drenched days of summer. While the month may seem modest compared to the height of July's 422 hours, it still offers a vibrant glow that keeps the spirits high. As the year draws to a close, December reflects a notable trend, post the peak warmth of June and July, where sunshine begins to wane gradually. However, this symbolizes not just a seasonal change, but a transition into the serene beauty of winter, where each sunlit hour contributes to the island's charm, inviting both locals and visitors to bask in its mild rays.

Monthly Sunshine Duration in Chalki: December Highlighted

The December sunshine duration represents the total number of hours Chalki experiences direct sunlight during the month of December, excluding cloudy or obstructed periods. This chart compares the sunshine duration of December with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec220h271h336h354h400h409h422h396h349h326h277h269h
Data source: Chalki December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Chalki During December

In Chalki, Greece, the likelihood of sunny weather in December hovers around 48%, marking a subtle dip as the year draws to a close. While this figure is an improvement over the months preceding summer, it pales in comparison to the sun-soaked heights of the summer months, where the chance of sunshine soars above 95%. Interestingly, December’s weather reflects a transitional period; as autumn wanes, the chances of clear skies begin to dwindle after the milder autumn months, showcasing a blend of winter's onset with remnants of autumn's warmth. As you plan your December getaway, embrace the charming unpredictability of Chalki's climate, where even a brief glimpse of the sun can make for a delightful experience.

Percentage of Sunny Days in December in Chalki

The chart illustrates the percentage of sunny days in Chalki throughout the year, with December highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Chalki experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec42%69%70%58%80%97%98%99%98%79%53%48%
Data source: Chalki December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Chalki in December

In Chalki, Greece, the rhythm of daylight dances elegantly throughout the year, with December closing the cycle at 9 hours of sunlight. As the year progresses from the depths of winter in January, where daylight also spans just 9 hours, a gradual increase begins. By February, the days stretch to 10 hours, heralding the approach of spring. The true awakening happens in March and April, with daylight peaking at 11 to 13 hours, respectively, as nature prepares for the vibrant months of summer. May through July bask in an abundance of 14 hours, providing the sunniest days of the year. As late summer transitions into autumn, daylight wanes gradually, descending to 12 hours in September and back to 10 hours in November, before returning to its winter minimum in December. This cyclical pattern highlights not just the changing seasons, but the enticing rhythm of life in this beautiful Greek island.

Average Daylight Hours in Chalki for December

The chart illustrates the variation in daylight duration in Chalki throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 59m10h 51m11h 58m13h 7m14h 5m14h 34m14h 19m13h 28m12h 22m11h 13m10h 14m9h 43m
Data source: Chalki daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Chalki

In December, the winds in Chalki, Greece pick up speed, averaging 7.9 m/s (18 mph), making it one of the breezier months of the year alongside March and August. As the year progresses from the milder November winds at 5.3 m/s (12 mph), December's gusts herald a shift in the climate, reminiscent of the invigorating zephyrs felt in spring and summer months. This consistent winter wind can invigorate the senses and adds a lively dynamic to the serene winter landscape, inviting locals and visitors alike to embrace the charm of Chalki's coastal beauty.

Average December Wind Speed in Chalki

The chart displays monthly wind speed patterns in Chalki, with values for each month shown alongside December's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how December's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec7.67.68.37.65.97.57.07.97.85.95.37.9 m/s
Data source: Chalki December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Chalki Compares to Other Months

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

In December, the weather is relatively mild, with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 20°C (69°F) and an average temperature of 16°C (61°F). The month also sees a substantial amount of rainfall, with about 135 mm (5.3 in) of precipitation spread over 15 days, contributing to a humidity level of 78%. In contrast, January experiences slightly cooler temperatures, with a minimum of 5°C (41°F), an average of 14°C (57°F), and a maximum of 19°C (66°F). Precipitation decreases to 120 mm (4.7 in) over 13 days, maintaining a similar humidity of 77%. For more detailed information, you can check Chalki weather in January.

In December, temperatures typically range from a minimum of 10°C (50°F) to a maximum of 20°C (69°F), with an average of 16°C (61°F). This month experiences considerable rainfall, with 135 mm (5.3 in) of precipitation spread over 15 days, resulting in a humidity level of 78%.

In contrast, February's weather is slightly cooler, with minimum temperatures dropping to 6°C (43°F) and a maximum of 18°C (64°F), averaging at 15°C (58°F). The month sees significantly less rainfall, totaling 67 mm (2.6 in) over just 8 days, and maintains a humidity level of around 76%. For more details on February’s weather, visit Chalki weather in February.

In December, the weather tends to be slightly warmer with average temperatures ranging from a minimum of 10°C (50°F) to a maximum of 20°C (69°F), while March experiences slightly cooler temperatures, with averages from 7°C (44°F) to 18°C (65°F). December is marked by higher precipitation levels, accumulating 135 mm (5.3 in) over 15 days, compared to March, which sees significantly less rain at 63 mm (2.5 in) over just 6 days. Humidity levels remain quite similar in both months, with December at 78% and March at 77%. For a detailed look at weather specifics in March, you can check Chalki weather in March.

December and April exhibit noticeable differences in weather patterns. In December, temperatures range from a minimum of 10°C (50°F) to a maximum of 20°C (69°F), with an average temperature of 16°C (61°F). This month experiences significant precipitation, totaling 135 mm (5.3 in) over 15 days, coupled with a humidity level of 78%. In contrast, April sees a slight increase in temperatures, with a minimum of 11°C (52°F) and a maximum of 22°C (72°F), averaging 17°C (62°F). Notably, April is much drier, receiving only 21 mm (0.8 in) of rain over just 3 days, and maintaining a similar humidity level of 77%. For a more detailed look at April weather, check out Chalki weather in April.

In December, the weather tends to be cooler, with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 20°C (69°F), accompanied by significant precipitation of 135 mm (5.3 in) spread over approximately 15 days. The humidity is relatively high at 78%, creating a damp atmosphere. In contrast, May brings warmer conditions, with an average temperature of 20°C (68°F) and highs reaching up to 26°C (80°F). Rainfall is minimal in May, only about 5 mm (0.2 in) over a single day, and the humidity rises slightly to 81%. For more information on the weather in Chalki during May, visit Chalki weather in May.

December and June exhibit distinctly different weather patterns. In December, temperatures range from a minimum of 10°C (50°F) to a maximum of 20°C (69°F), with an average of 16°C (61°F). This month also sees considerable rainfall, with 135 mm (5.3 in) of precipitation spread over 15 days, and a high humidity level of 78%. In contrast, June boasts much warmer conditions, with temperatures ranging from a minimum of 17°C (62°F) to a maximum of 28°C (82°F), averaging 23°C (73°F). Notably, June experiences minimal precipitation, with only 3 mm (0.1 in) and no rainy days, while humidity remains relatively constant at 77%. For more detailed insights on the weather in June, visit Chalki weather in June.

December and July present two contrasting weather profiles. In December, the average temperature hovers around 16°C (61°F), with minimums dipping to 10°C (50°F) and maximums reaching 20°C (69°F). This month is characterized by significant precipitation, with about 135 mm (5.3 inches) falling over 15 days, and humidity levels at a relatively high 78%. In stark contrast, July offers a much warmer climate, with average temperatures around 25°C (77°F), minimums of 22°C (71°F), and maximums soaring to 30°C (86°F). Remarkably, July experiences no precipitation, making it a dry month with a lower humidity level of 71%. For more details on the weather specifics in July, check out Chalki weather in July.

December and August present contrasting weather patterns. In December, temperatures range from a mild minimum of 10°C (50°F) to a comfortable maximum of 20°C (69°F), accompanied by significant rainfall of 135 mm (5.3 in) over approximately 15 days, resulting in a high humidity level of 78%. In stark contrast, August boasts warmer temperatures, with a minimum of 24°C (75°F) and a maximum reaching 31°C (88°F). This summer month is remarkably dry, experiencing no precipitation, and a lower humidity of 66%. For those curious about the specific climate conditions during this time, refer to Chalki weather in August.

When comparing the weather in December and September, notable differences emerge. December experiences cooler temperatures with a minimum of 10°C (50°F), an average of 16°C (61°F), and a maximum of 20°C (69°F). This month is also marked by significant rainfall, accumulating around 135 mm (5.3 in) over approximately 15 days, coupled with a relatively high humidity level of 78%. In contrast, September boasts warmer conditions, with temperatures ranging from a minimum of 21°C (70°F) to a comfortable average of 25°C (77°F), peaking at 28°C (83°F). This month is characterized by very little precipitation—only 1 mm (0.0 in)—and no rainy days, alongside a lower humidity of 70%. For more details on September's weather, visit Chalki weather in September.

In comparing the weather of December and October, December tends to be cooler and wetter. The average temperature in December ranges from a minimum of 10°C (50°F) to a maximum of 20°C (69°F), while October enjoys warmer averages between 16°C (62°F) and 26°C (79°F). Furthermore, December experiences significantly higher precipitation levels, with 135 mm (5.3 in) spread over 15 days, in contrast to October's mere 25 mm (1.0 in) over only 4 days. Humidity levels are also slightly higher in December at 78%, compared to October's 76%. For more detailed insights on October's weather, you can visit Chalki weather in October.

In comparing the weather of December to November, December presents cooler temperatures, with a minimum of 10°C (50°F) compared to November's 13°C (56°F). The average temperature in December is also lower at 16°C (61°F), while November enjoys a warmer average of 19°C (67°F), peaking at 24°C (75°F) versus December's maximum of 20°C (69°F). Additionally, December is notably wetter, receiving 135 mm (5.3 in) of precipitation over 15 days, whereas November sees only 68 mm (2.7 in) across 6 days. Humidity levels remain relatively similar, with December at 78% and November at 77%. For a more detailed overview, check out Chalki weather in November.

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Conclusion: What to Expect From December Weather in Chalki

As December settles in, Chalki transforms into a refreshing winter retreat with its mild temperatures and increased rainfall compared to the preceding months. While daytime highs can still reach a comfortable 20°C, the average temperature dips, inviting cozy afternoons under cloudy skies. With around 15 days of precipitation this month, the island's lush landscape flourishes, complemented by a humidity level of 78% that adds a touch of briskness to the air. This unique blend of temperatures and weather conditions makes December a distinctive month to explore the island's charm. For more detailed insights on the climate throughout the year, visit Chalki Climate.