December Weather in Kastraki, Greece

Last updated: August 21, 2025

In Kastraki, Greece, December offers a chilly embrace, with temperatures ranging from a brisk minimum of -6°C (21°F) to a comfortable maximum of 15°C (59°F), averaging around 5°C (41°F). This month brings significant moisture, recording a total precipitation of 128 mm (5.0 in) spread across 12 days, contributing to an overall humidity level of 83%. Visitors can expect a blend of cool air and occasional rain, making it an ideal time for cozy indoor activities and exploring the scenic winter landscapes.

December Temperature in Kastraki

In December, Kastraki, Greece, experiences the crisp embrace of winter, marked by a minimum temperature of -6°C (21°F) and an average hovering around 5°C (41°F). As the month unfolds, the warmth gradually retreats from the autumnal highs, with daytime temperatures peaking at 15°C (59°F). This transitional period sees a notable drop from November’s milder averages, signaling the onset of colder days. Visitors can expect a range of weather, from chilly mornings that invite cozy attire to refreshing afternoons perfect for exploring the stunning natural landscapes. The sharp contrasts in temperature throughout the month highlight the region's unique winter charm, making it a captivating time to experience Kastraki's serene beauty.

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

The chart illustrates December temperature patterns in Kastraki, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kastraki, 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).
JanFebMarAprMayJunJulAugSepOctNovDec354144516168747466564840
Data source: Temperature data for Kastraki 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 Kastraki

In Kastraki, Greece, December brings an impressive 128 mm (5.0 in) of precipitation, making it one of the wettest months of the year alongside November. This uptick is no coincidence, as both months consistently feature around 12 days of rain, setting the stage for a lush landscape. After a dry spell in the summer, where July and August see minimal rainfall, the late fall and early winter months witness a significant revival in precipitation. Not only does December stand out with its rainfall amount, but it also marks the transition into more consistent wet weather, hinting at the approaching winter. Thus, Kastraki’s December showcases a blend of vibrant greenery and a refreshing atmosphere, as the region gears up for the colder months ahead.

December Precipitation Trends in Kastraki

The chart displays monthly precipitation patterns in Kastraki, 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 Kastraki, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec1051109266637442323170125128
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Kastraki

In Kastraki, Greece, December brings a noticeable uptick in humidity, reaching 83%, which is a slight increase from the previous month’s 80%. This rise hints at the lingering effects of the autumn months, where humidity steadily climbs from the summer's low of 47% in August. Despite December's higher humidity, it remains lower than the peak levels experienced in the winter months of January at 84%. The transition from the dry summer to the cooler, more humid winter months illustrates Kastraki's dynamic climate, making December a month where the air is distinctly more palpable, setting the stage for the chilly days ahead.

December Average Humidity in Kastraki

This chart illustrates the average monthly humidity levels in Kastraki, 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 Kastraki is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%78%76%70%72%60%56%47%56%70%80%83%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Kastraki

In Kastraki, Greece, the UV Index during December remains at a moderate level of 3, similar to the beginning of the year in January. With a burn time of 30 minutes, this month offers a brief window of sun exposure that allows for outdoor activities without significant risk of harm. While the UV Index gradually increases from winter through the summer months, peaking at an extreme level of 11 in June, December serves as a gentle reminder of the sun’s potential hazards. As the year transitions from high to moderate exposure, it’s essential to stay mindful of sun safety throughout, even in the cooler months. For more details on UV levels, visit Kastraki UV Index.

Maximum UV Index Levels in Kastraki for December

The chart shows the monthly maximum UV Index (UVI) for Kastraki 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 Kastraki typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3468101110108643
Data source: Kastraki 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 Kastraki

December in Kastraki, Greece, marks a tranquil transition into winter, with 230 hours of sunshine gracing the landscape. While this is a notable drop from the sun-drenched heights of 421 hours in July, it reflects a typical pattern as the year draws to a close. The daylight hours slowly diminish from the vibrancy of spring and summer, peaking in May and June. However, December still offers a charming glow, inviting visitors to explore its scenic beauty under the gentle sun. The shift in seasons is palpable, with a cozy atmosphere that complements the warm hues of sunset, making it an enchanting time to experience this beautiful part of Greece.

Monthly Sunshine Duration in Kastraki: December Highlighted

The December sunshine duration represents the total number of hours Kastraki 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.
JanFebMarAprMayJunJulAugSepOctNovDec192h237h311h333h390h401h421h395h344h297h242h230h
Data source: Kastraki December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Kastraki During December

In December, Kastraki, Greece experiences a 40% chance of sunny weather, providing a modest likelihood of clear skies during a month often marked by cooler temperatures. While this figure reflects a drop from the vibrant summer months, where sunshine probabilities soar above 80%, December still offers a more promising outlook than the preceding months of October and November, which see chances of sun dip to 37% and 27% respectively. This suggests that while the sun may not shine as brightly as in peak tourist season, travelers can still expect occasional sunlit days amidst the winter chill, making it a charming time to explore this beautiful region.

Percentage of Sunny Days in December in Kastraki

The chart illustrates the percentage of sunny days in Kastraki 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 Kastraki experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec29%53%48%48%60%63%80%85%60%37%27%40%
Data source: Kastraki December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Kastraki in December

In Kastraki, Greece, December marks a return to the shorter days of winter, with only 9 hours of daylight. This mirrors the daylight duration seen in both November and January, creating a seasonal pattern of diminishing light as the year draws to a close. As autumn transitions into winter, the length of daylight decreases gradually, peaking at 14 hours in May through July. The trend of increasing sunlight begins again in late March, signaling the approach of spring. Overall, December's daylight serves as a gentle reminder of the cyclical nature of time in Kastraki, where the days slowly elongate after the winter solstice, promising brighter moments just ahead.

Average Daylight Hours in Kastraki for December

The chart illustrates the variation in daylight duration in Kastraki throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 41m10h 41m11h 57m13h 16m14h 22m14h 55m14h 37m13h 39m12h 24m11h 6m9h 58m9h 23m
Data source: Kastraki daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Kastraki

In Kastraki, Greece, the December wind offers a gentle embrace, with an average speed of 1.8 m/s (4 mph)—a slight uptick from the quieter months of October and November, both averaging 1.5 m/s. This seasonal transition subtly hints at a shift towards cooler, more invigorating breezes, reflecting the region's characteristic calmness throughout the year. Interestingly, wind speeds in the earlier months—January through April—oscillate between 1.9 m/s and 2.0 m/s, showcasing a mild increase as spring approaches. However, as summer fades into autumn, the winds tend to soften, leveling off. December's breezy whisper serves as a charming herald to winter, inviting both locals and visitors to appreciate the tranquil yet dynamic atmosphere of this picturesque Greek locale.

Average December Wind Speed in Kastraki

The chart displays monthly wind speed patterns in Kastraki, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.91.81.92.02.21.71.81.81.71.51.51.8 m/s
Data source: Kastraki December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Kastraki Compares to Other Months

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

In December, temperatures range from a minimum of -6°C (21°F) to a maximum of 15°C (59°F), with an average of 5°C (41°F). The month experiences significant precipitation, totaling 128 mm (5.0 in) over about 12 days and maintains a humidity level of 83%. In contrast, January is typically colder, with temperatures dipping lower; the minimum reaches -15°C (5°F) while the maximum is slightly higher at 16°C (61°F), resulting in an average temperature of 2°C (36°F). Precipitation decreases slightly to 105 mm (4.1 in) over the same number of days, and humidity rises slightly to 84%. For a detailed look at January's weather specifically, check out Kastraki weather in January.

December weather tends to be milder, with average temperatures around 5°C (41°F) and maximums reaching up to 15°C (59°F). In contrast, February can experience colder nights, with minimum temperatures dropping to -15°C (6°F), though it also sees a slightly higher maximum of 19°C (66°F). Precipitation levels are similar for both months, with December receiving 128 mm (5.0 in) over 12 days and February totaling 110 mm (4.3 in) across 10 days. Moreover, December has higher humidity levels at 83%, compared to February's 78%. For a more detailed look at February weather, check out Kastraki weather in February.

December and March present notably different weather patterns. In December, temperatures range from a chilly -6°C (21°F) at night to a mild 15°C (59°F) during the day, with an average of 5°C (41°F). The month is also characterized by high humidity at 83% and precipitation totaling 128 mm (5.0 in) over 12 days. In contrast, March experiences slightly colder nights with minimum temperatures of -11°C (12°F) but boasts warmer daytime highs, reaching up to 24°C (75°F) and averaging 7°C (45°F). Precipitation in March is less, at 92 mm (3.6 in) over 11 days, and humidity decreases to 75%. For more details about specific weather conditions in Kastraki, visit Kastraki weather in March.

In December, temperatures in Kastraki can range from a chilly -6°C (21°F) at night to a milder 15°C (59°F) during the day, with an average temperature of around 5°C (41°F). The month sees considerable precipitation, totaling 128 mm (5.0 in) over approximately 12 days, and the humidity level is high at around 83%. In contrast, April experiences a more temperate climate, with minimum temperatures at -4°C (24°F) and daytime highs reaching 26°C (79°F), averaging about 11°C (52°F). Precipitation decreases significantly to 66 mm (2.6 in) over just 10 days, and the humidity drops to a more comfortable 70%. For more detailed insights on April's weather, visit Kastraki weather in April.

In December, the weather is notably colder, with average temperatures around 5°C (41°F), while May brings much warmer conditions, averaging 16°C (61°F). December sees temperatures dipping to a minimum of -6°C (21°F) and reaching a maximum of 15°C (59°F), creating a chilly atmosphere that often leads to higher humidity levels of around 83%. In contrast, May enjoys a more comfortable range, with minimum temperatures of 4°C (39°F) and a peak of 33°C (91°F), accompanied by significantly lower precipitation of 63 mm (2.5 in) over just 11 days. This substantial difference highlights the transition from the frigid, damp conditions of December to the warmer, drier days of May. For a detailed look at the weather specific to Kastraki, you can visit Kastraki weather in May.

December and June exhibit stark contrasts in weather patterns. In December, temperatures can drop as low as -6°C (21°F) and average around 5°C (41°F), with highs reaching 15°C (59°F). The month is also characterized by significant precipitation of 128 mm (5.0 in) over 12 days, coupled with high humidity at 83%, creating a damp and cold atmosphere. In contrast, June features much milder conditions, with minimum temperatures of 7°C (44°F), averaging 20°C (68°F), and soaring highs of 37°C (98°F). Precipitation decreases to 74 mm (2.9 in), also spread over 12 days, and humidity drops to 60%, offering a much drier and warmer climate perfect for outdoor activities. For more information, visit Kastraki weather in June.

The weather in December and July presents a vivid contrast. In December, temperatures range from a chilly -6°C (21°F) at their lowest to a mild 15°C (59°F) at their peak, with an average of 5°C (41°F). The month sees significant precipitation with 128 mm (5.0 in) spread over 12 days, and a high humidity level of 83%, creating a damp, winter atmosphere. In stark contrast, July boasts much warmer temperatures, with a minimum of 11°C (52°F) and a maximum reaching up to 38°C (101°F), averaging around 23°C (74°F). The summer month is considerably drier, with only 42 mm (1.7 in) of rain over just 5 days, accompanied by a lower humidity of 56%. For more details on July weather, you can check out Kastraki weather in July.

The weather in December is notably colder and wetter compared to August. In December, temperatures range from a minimum of -6°C (21°F) to a maximum of 15°C (59°F), with an average temperature of 5°C (41°F), and the month sees about 128 mm (5.0 in) of precipitation over 12 days. In contrast, August enjoys much warmer temperatures, with a minimum of 12°C (54°F) and a peak of 38°C (101°F), averaging around 23°C (74°F), and significantly less rainfall, totaling only 32 mm (1.3 in) across just 5 days. Additionally, the humidity is considerably higher in December at 83%, compared to a more comfortable 47% in August. For more detailed insights, you can check Kastraki weather in August.

December and September present significantly different weather conditions. In December, temperatures range from a chilly -6°C (21°F) at night to a mild 15°C (59°F) during the day, averaging around 5°C (41°F). The month is notably wetter, with 128 mm (5.0 in) of precipitation spread over about 12 days, contributing to a high humidity level of 83%. In contrast, September enjoys much warmer temperatures, with nighttime lows of 4°C (40°F) and daytime highs reaching 33°C (92°F), averaging 19°C (67°F). It experiences far less rainfall, with only 31 mm (1.2 in) over just 4 days and a lower humidity of 56%. For more detailed information about September weather, you can check Kastraki weather in September.

In comparing the weather in December to that of October, we see significant differences in temperature and precipitation. December experiences much colder temperatures, with a minimum of -6°C (21°F) and an average of only 5°C (41°F), while October offers milder conditions, ranging from a minimum of 1°C (34°F) to a comfortable average of 13°C (56°F) and a maximum of 29°C (84°F). Precipitation in December is also heavier, with 128 mm (5.0 in) over 12 days, compared to October’s 70 mm (2.8 in) over just 6 days. Additionally, humidity levels are higher in December at 83%, compared to 70% in October. For more detailed insights into October's weather, visit Kastraki weather in October.

In comparing the weather of December and November, December experiences slightly colder temperatures, with minimums reaching -6°C (21°F) compared to November's minimum of -3°C (27°F). The average temperature in December drops to 5°C (41°F), down from November's more mild average of 9°C (48°F), and the maximums also reflect this chill, peaking at 15°C (59°F) in December versus 22°C (72°F) in November. Despite having a similar amount of precipitation at around 128 mm (5.0 in) for December and 125 mm (4.9 in) for November, December shows a slightly higher humidity at 83%, compared to November's 80%. For more details on November’s weather conditions, visit Kastraki weather in November.

Compare Kastraki's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Kastraki

December in Kastraki brings a distinct chill compared to other months, with temperatures averaging a brisk 5°C, contrasting sharply with the warmth of summer. This month is characterized by frequent rainfall, with approximately 12 days seeing precipitation, contributing to a total of 128 mm—a noticeable increase from the drier months. The humidity lingers at a high 83%, creating a damp atmosphere that can feel quite cold, especially during the nights when temperatures can plunge well below freezing. For those keen on exploring the seasonal variations, more detailed insights can be found at Kastraki Climate.