December Weather in Kefalos, Greece

Last updated: August 21, 2025

In Kefalos, Greece, December welcomes visitors with a mild climate characterized by a maximum temperature of 21°C (69°F) and an average of 16°C (61°F), ensuring comfortable outdoor exploration. However, evenings can be cool, with lows reaching 9°C (49°F). The month experiences substantial precipitation, totaling 141 mm (5.5 in) over approximately 14 days, contributing to the lush landscape that the region is known for. With a humidity level averaging 78%, visitors should prepare for a mix of sunny spells and occasional rain, making December a unique time to experience the charm of Kefalos.

December Temperature in Kefalos

In Kefalos, Greece, the temperatures in December herald the onset of winter, offering a mild reprieve compared to the frigid climates of many other regions. With minimums around 9°C (49°F) and averages peaking at 16°C (61°F), the atmosphere remains pleasantly crisp during the day. The maximum temperature can reach 21°C (69°F), providing opportunities for sun-soaked afternoons, perfect for leisurely strolls along the coastline. As the month transitions from autumn to winter, the overall trend shows a gentle decline from the comfortable warmth of November while still maintaining a relatively mild climate, making December an inviting time to experience the tranquility of this charming Greek locale.

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

The chart illustrates December temperature patterns in Kefalos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kefalos, 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).
JanFebMarAprMayJunJulAugSepOctNovDec565758626773777876716660
Data source: Temperature data for Kefalos 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 Kefalos

In Kefalos, Greece, December marks a notable shift in the weather patterns, as the island experiences the highest precipitation levels of the year, totaling 141 mm (5.5 in). This increase is accompanied by 14 rainy days, making it the wettest month, starkly contrasting with the arid summer months of July and August, which see no rain at all. Following a gradual decline in rainfall from January's 116 mm to November's 68 mm, December's spike not only replenishes the natural landscape but also signals the arrival of the winter season. This trend highlights Kefalos’s unique climatic variability, where brief but intense periods of precipitation can transform the otherwise dry Mediterranean climate, preparing the region for the lush growth of spring.

December Precipitation Trends in Kefalos

The chart displays monthly precipitation patterns in Kefalos, 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 Kefalos, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec116846023230022668141
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Kefalos

In Kefalos, Greece, the humidity levels exhibit a subtle yet distinctive rhythm throughout the year. Starting off with a steady 77% in January, February, and March, the humidity remains closely knit, creating a comfortable atmosphere. As spring gives way to summer, there's a noticeable rise, peaking at 81% in May, which hints at the impending heat. Moving into the summer months, particularly July and August, the air feels drier with humidity dropping to 71% and 66% respectively, providing a refreshing escape from the summer heat. However, as autumn arrives, humidity levels climb back up, settling around 77% in November and slightly increasing to 78% in December. This trend of fluctuating humidity ensures that Kefalos enjoys a varied and comfortable climate all year round, making it a delightful destination regardless of the season.

December Average Humidity in Kefalos

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

In Kefalos, Greece, the UV Index displays a dynamic trend throughout the year. Starting with a moderate UV Index of 3 in January and December, the region sees a gradual rise, peaking at a striking 10 from May to August, indicating a very high exposure risk. As spring blossoms and summer arrives, burn times decline significantly, dropping to just 15 minutes during the hottest months. Conversely, autumn sees a gentle decrease, with the Index falling back to 8 in September and continuing to drop into winter. Notably, while January, February, and December maintain a more moderate level of risk with burn times of 30 minutes, the transition through spring into summer necessitates sharp vigilance against overexposure. For complete details and monthly comparisons, check out the Kefalos UV Index.

Maximum UV Index Levels in Kefalos for December

The chart shows the monthly maximum UV Index (UVI) for Kefalos 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 Kefalos typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101010108743
Data source: Kefalos 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 Kefalos

In Kefalos, Greece, December brings a gentle dip in sunshine, with 270 hours of sunlight, contributing to the island's charming winter ambiance. As the year draws to a close, the sun begins its transition from the vibrant heights of summer, where July reaches an impressive 424 hours, to more mellow winter months. This gradual decrease in daylight hours is a reflection of the breathtaking seasonal change that characterizes Kefalos, shifting from the sun-drenched days of May and June, which boast over 400 hours each, to the softer, more tranquil radiance of December. Despite the cooler temperatures, the persistent sunshine adds a touch of warmth to the island, inviting visitors to experience its serene beauty during the festive season.

Monthly Sunshine Duration in Kefalos: December Highlighted

The December sunshine duration represents the total number of hours Kefalos 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.
JanFebMarAprMayJunJulAugSepOctNovDec218h273h336h355h401h411h424h396h350h327h278h270h
Data source: Kefalos December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Kefalos During December

In Kefalos, Greece, December ushers in a cooler season, with a 44% likelihood of sunny weather. This marks a noticeable dip from the preceding autumn months, where the chance of sunshine hovers around 50% in November. As we transition from one year to another, the sunny days become less frequent compared to the luminous summer months, where the probability soars to nearly 100% in July and August. Despite this seasonal shift, December still offers its fair share of sunny spells, making it a charming time for visitors who appreciate the serene beauty of the island amidst its warming winter sun.

Percentage of Sunny Days in December in Kefalos

The chart illustrates the percentage of sunny days in Kefalos 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 Kefalos experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec40%68%68%55%78%95%99%100%97%80%50%44%
Data source: Kefalos December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Kefalos in December

In Kefalos, Greece, the December daylight duration mirrors the shorter days of January, both offering about 9 hours of sunlight. As the year progresses from winter to summer, daylight steadily increases, peaking in May to 14 hours and remaining consistent through July. This gradual rise creates a vibrant atmosphere, perfect for enjoying the beautiful landscapes of Kefalos. As summer fades into autumn, daylight gradually declines again, with August seeing a slight drop to 13 hours, and continuing to decrease through the months. By the time we reach December, the cycle returns to its winter rhythm, with shorter days reminding us of the cozy moments indoors while we look forward to the return of longer days as the new year unfolds.

Average Daylight Hours in Kefalos for December

The chart illustrates the variation in daylight duration in Kefalos throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 56m10h 50m11h 58m13h 8m14h 8m14h 37m14h 22m13h 30m12h 22m11h 12m10h 11m9h 40m
Data source: Kefalos daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Kefalos

As December arrives in Kefalos, Greece, the wind whispers its way through the charming landscapes, boasting an average speed of 8.2 m/s (18 mph). This aligns with the consistent breezy character of earlier months, where winds typically hover between 8.0 and 8.5 m/s, particularly peaking in March and July. Interestingly, as we transition from the warmer summer months to the cooler winter, there's a noticeable dip in wind speeds during May and October, with November marking the calmest month at 6.0 m/s (13 mph). However, December's winds return to a lively pace, embracing the cooler temperatures and setting the stage for a tranquil yet invigorating end to the year, reminding us that the seasonal shifts in Kefalos bring not just changes in climate, but also in the rhythm of the winds that dance through its sunlit hills.

Average December Wind Speed in Kefalos

The chart displays monthly wind speed patterns in Kefalos, 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.
JanFebMarAprMayJunJulAugSepOctNovDec8.18.08.58.26.27.68.48.38.16.56.08.2 m/s
Data source: Kefalos December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Kefalos Compares to Other Months

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

In December, temperatures in Kefalos range from a minimum of 9°C (49°F) to a maximum of 21°C (69°F), with an average temperature of 16°C (61°F). This month experiences about 141 mm (5.5 in) of rainfall over 14 days, accompanied by a humidity level of 78%. In contrast, January brings slightly cooler temperatures, with a minimum of 6°C (43°F), an average of 14°C (57°F), and a maximum of 19°C (66°F). Precipitation decreases to 116 mm (4.6 in) over 12 days, while humidity remains relatively stable at 77%. For more detailed insights, you can check Kefalos weather in January.

December weather in Kefalos is generally mild, with temperatures ranging from a minimum of 9°C (49°F) to a maximum of 21°C (69°F) and an average of 16°C (61°F). However, it also experiences higher precipitation, totaling 141 mm (5.5 in) over about 14 days, contributing to a humid atmosphere with 78% humidity. In contrast, February sees slightly cooler temperatures, with a minimum of 6°C (43°F), an average of 14°C (58°F), and a maximum of 18°C (65°F). Precipitation drops significantly to 84 mm (3.3 in) over about 10 days, and humidity decreases slightly to 76%. Overall, February offers a drier and slightly cooler experience compared to December. For more details, visit Kefalos weather in February.

December and March present notable differences in weather conditions. In December, temperatures range from a minimum of 9°C (49°F) to a maximum of 21°C (69°F), with an average of 16°C (61°F). The month is characterized by higher precipitation, totaling 141 mm (5.5 in) over 14 rainy days and a humidity level of 78%. In contrast, March experiences slightly cooler temperatures, with a minimum of 6°C (42°F) and a maximum of 18°C (65°F), averaging 14°C (58°F). Precipitation in March drops significantly to 60 mm (2.3 in) over just 7 days, while humidity remains relatively stable at 77%. For more detailed information on March weather, you can visit Kefalos weather in March.

December and April weather exhibit some intriguing similarities and differences. Both months have average temperatures around 16°C (61°F), but December tends to be slightly cooler at its minimum, with temperatures reaching as low as 9°C (49°F) compared to April's minimum of 10°C (51°F). Precipitation levels highlight a stark contrast; December sees significantly more rain, with 141 mm (5.5 inches) over 14 days, while April enjoys a much drier environment, receiving only 23 mm (0.9 inches) across just 3 days. Additionally, humidity levels are relatively consistent, hovering around 77% in April and 78% in December. For more detailed insights on April weather, you can check out Kefalos weather in April.

In December, the weather is significantly cooler, with temperatures ranging from a minimum of 9°C (49°F) to a maximum of 21°C (69°F), along with considerable rainfall of 141 mm (5.5 in) spread over 14 days. The high humidity level of 78% adds to the chill, making it feel even colder. Conversely, May brings much warmer conditions, with temperatures ranging from a minimum of 16°C (60°F) to a maximum of 25°C (77°F). The dry climate in May is notable, as it only sees 2 mm (0.1 in) of precipitation throughout the month, with no rainy days, and humidity rises slightly to 81%. For a more detailed look at May weather, you can check Kefalos weather in May.

December and June present contrasting weather patterns. In December, temperatures range from a minimum of 9°C (49°F) to a maximum of 21°C (69°F), with an average of 16°C (61°F). The month sees significant precipitation with 141 mm (5.5 in) over 14 days, resulting in a humid atmosphere with 78% humidity. In stark contrast, June boasts milder temperatures, with a minimum of 16°C (61°F) and a maximum of 27°C (81°F), averaging 23°C (73°F). Additionally, June experiences minimal precipitation, totaling just 3 mm (0.1 in) over the month with no rainy days, and maintains a slightly lower humidity level at 77%. For more insights on June weather, check out Kefalos weather in June.

In December, the weather is notably cooler, with temperatures ranging from a minimum of 9°C (49°F) to a maximum of 21°C (69°F), accompanied by an average temperature of 16°C (61°F). This month also experiences significant precipitation, totaling 141 mm (5.5 in) over approximately 14 days, leading to a higher humidity level of 78%. In contrast, July offers a much warmer climate with temperatures ranging from a minimum of 22°C (72°F) to a high of 29°C (85°F), averaging 25°C (77°F). Remarkably, July sees no rainfall, with 0 mm of precipitation over 0 days, and a slightly lower humidity of 71%. These stark contrasts highlight the seasonal shift in Kefalos weather. For more details on July, visit Kefalos weather in July.

December and August present strikingly different weather patterns. In December, temperatures range from a minimum of 9°C (49°F) to a maximum of 21°C (69°F), with an average of 16°C (61°F). The month is relatively wet, with 141 mm (5.5 in) of precipitation spread over 14 days, resulting in a humidity level of 78%. In contrast, August boasts much warmer temperatures, with a minimum of 23°C (74°F) and a maximum of 30°C (86°F), averaging 26°C (78°F). Notably, August is exceptionally dry, experiencing no recorded precipitation and only 66% humidity. For more details on the weather conditions in August, visit Kefalos weather in August.

In comparing December and September weather, December features significantly cooler temperatures, with a minimum of 9°C (49°F) and an average of 16°C (61°F), while September enjoys a warmer range with a minimum of 20°C (68°F) and an average of 24°C (76°F). Additionally, December experiences much higher precipitation at 141 mm (5.5 in) over 14 days, whereas September typically sees negligible amounts of rainfall, with just 2 mm (0.1 in) over the entire month. The humidity levels also differ slightly, with December at 78% compared to September's 70%. For a more detailed look at the weather patterns in September, check out Kefalos weather in September.

In comparing the weather between December and October, October tends to be noticeably warmer and drier. With minimum temperatures around 16°C (60°F) and an average of 22°C (71°F), it offers a comfortable climate, whereas December's temperatures drop, with a minimum of 9°C (49°F) and an average of 16°C (61°F). Additionally, October experiences significantly less precipitation, with only 26 mm (1.0 in) over 4 days, compared to December's 141 mm (5.5 in) spread across 14 days. Humidity levels are quite similar, hovering around 76% in October and slightly increasing to 78% in December. For more specific details on October weather, you can visit Kefalos weather in October.

In December, the weather sees a noticeable drop in temperatures compared to November, with minimums around 9°C (49°F) and an average high of 21°C (69°F). In contrast, November enjoys milder conditions, with minimums of 12°C (55°F) and a maximum temperature reaching 24°C (75°F). Additionally, December experiences significantly more rainfall, totaling 141 mm (5.5 in) over 14 days, while November records only 68 mm (2.7 in) of precipitation over 6 days. Humidity remains relatively consistent, with December at 78% and November at 77%. For more details on the weather in November, you can check Kefalos weather in November.

Compare Kefalos's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Kefalos

As December arrives in Kefalos, the weather takes on a distinct character compared to the warmer months. With a maximum temperature hovering around 21°C (69°F) and an average of 16°C (61°F), visitors can expect mild conditions, although nights can be quite cool with drops to 9°C (49°F). Increased precipitation, averaging 141 mm (5.5 in) over about 14 days, injects a sense of freshness into the air, accompanied by a noticeable humidity of 78%. This shift makes December a unique time to experience Kefalos, as the vibrant greenery contrasts beautifully with the scenic coastal views. For more detailed insights into the seasonal climate, explore Kefalos Climate.