Last updated: August 21, 2025
December in Kallithea, Greece offers a mild Mediterranean experience, with average temperatures hovering around 11°C (53°F). The month can see maximums reaching up to 21°C (70°F) and occasional lows dipping to 1°C (34°F). While the weather remains relatively pleasant, visitors should prepare for 66 mm (2.6 in) of rainfall spread over 9 days, resulting in a humidity level of around 76%. This blend of mild temperatures and sporadic showers creates a refreshing atmosphere, perfect for exploring the charm of this coastal gem.
In December, Kallithea, Greece begins to embrace the winter chill, with temperatures showing a gradual descent as the year winds down. The month sees minimums around 1°C (34°F), hinting at the crispness in the air, while average temperatures rest at a comfortable 11°C (53°F), ideal for enjoying the festive season without extreme cold. Days can still reach up to 21°C (70°F), offering a pleasant escape from harsher winter climates. This month reflects a smooth transition into winter, contrasting sharply with the summer highs, and inviting visitors to experience the charming local culture amidst a milder Mediterranean winter.
In Kallithea, Greece, December marks a notable increase in precipitation, with an average of 66 mm (2.6 in) over the month, making it one of the wetter periods of the year. This uptick is reflected in the 9 days of rainfall, which is the highest number recorded across all months, highlighting December as a pivotal transition into winter. Notably, the rainfall has nearly doubled since the dry summer months, where July and August recorded minimal precipitation. As autumn gives way to winter, the consistent rainfall contributes to the region's lush greenery, setting the stage for a vibrant landscape against the cooler temperatures.
In Kallithea, Greece, December brings a notable return to higher humidity levels, with values reaching 76%, similar to the beginning of the year. This marks a gentle rise from November’s humidity of 75%. Observing the year as a whole, there is a clear trend of lower humidity during the summer months, peaking in August at just 63%. However, as the seasons shift toward winter, humidity steadily increases, indicating a comfortable, moist feel as the year closes. Overall, December serves as a transitional reminder of the wetter months ahead, balancing the drier heat of the previous summer.
In Kallithea, Greece, the UV Index showcases a clear transition through the winter months, peaking in the summer. By December, the UV Index settles at a moderate 3, similar to January, with a recommended burn time of 30 minutes under direct sunlight. As the year progresses, especially from March through September, there is a significant rise, reaching a high of 10 during the peak summer months, which requires vigilant sun protection due to its very high exposure category. This trend highlights the crucial importance of adjusting sun safety measures throughout the year, making the information on the Kallithea UV Index essential for locals and visitors alike.
UV Risk Categories
In Kallithea, Greece, December graces residents and visitors alike with a gentle 250 hours of sunlight, a cozy end to the year that reflects a gradual transition from the sun-drenched months of summer. As the calendar turns from July, boasting the year's peak of 423 hours, sunlight begins to taper off, leading through a vibrant autumn with October and November offering 313 and 261 hours, respectively. This steady decline continues into December, suggesting a tranquil respite before the bright resurgence of spring. Despite the reduction in daylight, Kallithea's charm remains ever-present, making it an inviting destination even in the cooler months, where the soft sunlight and mild temperatures create a serene backdrop for leisurely strolls and cultural exploration.
In Kallithea, Greece, December witnesses a moderate likelihood of sunny weather, with a 51% chance of sun, marking an interesting transition as the year draws to a close. As the colder months roll in, this probability reflects a notable dip compared to the summer peak, where July and August enjoy sunshine probabilities soaring to 94% and 95% respectively. Interestingly, December sits comfortably between the chill of November, boasting only a 40% chance of sunshine, and the more sun-kissed spring months like May, which holds a 70% likelihood. While December may not be the sunniest month, it still offers a reasonable chance for lovely, clear days, perfect for enjoying the festive atmosphere.
In Kallithea, Greece, December marks a return to shorter days, with daylight lasting around 9 hours. This decline follows a gradual increase in daylight hours from January, where the sun graces the sky for only 9 hours, to a peak of 14 hours during the summer months of May through July. As the year transitions into autumn, daylight begins to wane, dropping to 10 hours in November before reaching its minimum in December. This cyclical pattern reflects the Mediterranean climate's seasonal changes, creating a cozy atmosphere as locals embrace the shorter, tranquil days of winter.
As December rolls into Kallithea, Greece, the winds begin to pick up, with average speeds reaching 3.5 m/s (8 mph). This marks a noticeable increase compared to the calmer summer months, where wind speeds dipped as low as 1.8 m/s (4 mph) in June. The trend throughout the year reveals a journey from the gentle breezes of late spring, peaking during the vibrant fall months before leading into a breezy winter. With December's winds outpacing many previous months, locals and visitors alike may find the invigorating gusts particularly refreshing, hinting at the festive atmosphere of the holiday season. The shift in wind patterns emphasizes Kallithea's dynamic climate, making it a unique destination to experience the transition from mild to more spirited winter weather.
Weather in Kallithea varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Kallithea, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, the weather features a mild average temperature of 11°C (53°F), with daytime highs reaching up to 21°C (70°F) and nighttime lows around 1°C (34°F). This month typically experiences around 66 mm (2.6 in) of precipitation over 9 days, maintaining a humidity level of 76%. In contrast, January brings cooler temperatures, with a lower average of 9°C (48°F). The maximum temperature in January is slightly higher at 22°C (72°F), while the minimum drops to -4°C (25°F). Precipitation decreases to 57 mm (2.2 in) over just 7 days, but humidity remains consistent at 76%. For more insights, check out Kallithea weather in January.
In December, the temperatures range from a chilly minimum of 1°C (34°F) to a warm maximum of 21°C (70°F), with an average of 11°C (53°F). This month experiences significant precipitation, totaling 66 mm (2.6 in) over approximately 9 days, and maintains a humidity level of 76%. In contrast, February sees slightly cooler temperatures, with a minimum of 0°C (32°F) and a maximum of 20°C (68°F), averaging around 10°C (51°F). Precipitation decreases to 48 mm (1.9 in) over 8 days, with humidity dropping slightly to 75%. For more detailed insights on February weather, you can check Kallithea weather in February.
When comparing the weather in December and March, December tends to be slightly cooler, with average temperatures ranging from a minimum of 1°C (34°F) to a maximum of 21°C (70°F). The month also experiences more precipitation, averaging 66 mm (2.6 in) over about 9 days, contributing to a higher humidity level of 76%. In contrast, March sees a similar temperature range, with a minimum of 0°C (32°F) and a maximum of 23°C (74°F), but less rainfall at 39 mm (1.5 in) over just 5 days, leading to a slightly lower humidity of 74%. For more detailed information about Kallithea weather in March, visit Kallithea weather in March.
In December, the weather is cooler with temperatures ranging from a minimum of 1°C (34°F) to a maximum of 21°C (70°F), while the average sits at 11°C (53°F). The month experiences more rainfall, totaling 66 mm (2.6 inches) over about 9 days, accompanied by high humidity at 76%. In contrast, April sees a significant rise in temperatures, with a minimum of 4°C (40°F) and a maximum reaching 29°C (85°F), averaging around 15°C (60°F). Precipitation decreases to 42 mm (1.6 inches) across just 5 days, and humidity remains relatively stable at 75%. For more details, you can check Kallithea weather in April.
December and May present contrasting weather patterns. In December, temperatures range from a chilly minimum of 1°C (34°F) to a mild maximum of 21°C (70°F), with an average of 11°C (53°F). The month experiences more precipitation, totaling 66 mm (2.6 in) over about 9 days, and the humidity hovers around 76%. In stark contrast, May brings warmer temperatures, starting with a minimum of 10°C (51°F) and peaking at 36°C (97°F), with an average temperature of 21°C (70°F). Precipitation drops significantly to just 23 mm (0.9 in) over 4 days, while humidity remains relatively constant at 77%. For more details about the weather in May, you can check Kallithea weather in May.
When comparing the weather in December and June, the most noticeable difference is the temperature. December has a cooler climate, with minimums reaching 1°C (34°F) and averages around 11°C (53°F), whereas June boasts significantly warmer temperatures, with minimums of 13°C (56°F) and averages of 25°C (77°F). Additionally, June can see maximum temperatures soaring up to 38°C (101°F), while December's highest is a comfortable 21°C (70°F). Precipitation levels also vary, with December receiving more rainfall—66 mm (2.6 in) over 9 days—compared to June's lighter 33 mm (1.3 in) spread over just 5 days. Humidity is slightly higher in December at 76% compared to June's 71%. For more detailed information about June weather in Kallithea, check out Kallithea weather in June.
December and July weather present a stark contrast in Kallithea. In December, temperatures range from a chilly minimum of 1°C (34°F) to a comfortable average of 11°C (53°F), with highs reaching up to 21°C (70°F). The month sees a notable amount of precipitation at 66 mm (2.6 in) over about 9 days, accompanied by humidity levels around 76%. In comparison, July boasts much warmer temperatures, with a minimum of 19°C (67°F) and an average of 28°C (83°F), peaking at a scorching 42°C (108°F). This summer month is significantly drier, receiving only 9 mm (0.4 in) of rain across just 2 days, with humidity at a lower 68%. For a detailed look at July conditions, check out Kallithea weather in July.
December and August present stark contrasts in weather. In December, temperatures range from a cool minimum of 1°C (34°F) to a comfortable average of 11°C (53°F), peaking at a mild 21°C (70°F). This month experiences more frequent rainfall, with an average of 66 mm (2.6 in) spread over 9 days, coupled with higher humidity at 76%. Conversely, August boasts much warmer temperatures, with a minimum of 19°C (66°F), an average of 28°C (83°F), and soaring maximums reaching up to 43°C (109°F). Precipitation is minimal in August, totaling just 4 mm (0.2 in) over a completely dry month, and humidity is lower at 63%. For more detailed information about the weather in August, you can check Kallithea weather in August.
In December, temperatures range from a chilly minimum of 1°C (34°F) to a mild maximum of 21°C (70°F), with an average temperature of 11°C (53°F). The month sees about 66 mm (2.6 in) of precipitation over nine days, contributing to a higher humidity level of 76%. In contrast, September offers much warmer weather, with minimum temperatures around 13°C (55°F) and highs reaching up to 37°C (98°F), averaging at 24°C (76°F). This month experiences significantly less precipitation, with only 17 mm (0.7 in) over two days and lower humidity at 65%. For more information on the weather in September, you can check out Kallithea weather in September.
In comparing the weather in December and October, we find notable differences in temperature and precipitation levels. December sees a range of temperatures with a minimum of 1°C (34°F) and an average of 11°C (53°F), while October enjoys milder conditions, with temperatures dipping to a minimum of 7°C (45°F) and peaking at an average of 19°C (66°F). Additionally, October experiences considerably less precipitation, at 30 mm (1.2 in) over just 4 days compared to December's 66 mm (2.6 in) across 9 days. Humidity levels are fairly similar, with December at 76% and October at 72%. For those interested in a more detailed analysis, you can check Kallithea weather in October.
December weather shows a significant drop in temperature compared to November, with average highs of 21°C (70°F) in December versus 25°C (78°F) in November. While December's minimum temperatures are cooler at 1°C (34°F), November experiences milder lows of 4°C (39°F). Additionally, December sees an increase in precipitation, totaling 66 mm (2.6 in) over 9 days, compared to November's 48 mm (1.9 in) over 7 days. Despite these changes, humidity levels remain fairly consistent, hovering around 76% in December and 75% in November. For further details, you can check out Kallithea weather in November.
As December unfolds in Kallithea, the weather takes on a distinct charm, contrasting sharply with the preceding months. The temperatures cool significantly, creating a crisp ambiance perfect for cozy gatherings and festive activities. With an increase in humidity and an uptick in precipitation days, the atmosphere adopts a more refreshing feel, inviting the occasional winter rain. This month marks a transition from the warmth of autumn to the cool breezes of winter, making it an ideal time to explore the tranquility of the season. For a deeper insight into what to expect throughout the year, check out the Kallithea Climate page.