Last updated: August 21, 2025
December in Poros, Greece offers a mild climate that contrasts holiday festivities with the island's natural beauty. Average temperatures hover around 14°C (58°F), reaching a comfortable 20°C (69°F) at their peak, while dipping to a refreshing 7°C (45°F) at night. Visitors can expect about 60 mm (2.4 in) of rainfall over 9 days, contributing to the lush scenery and colorful landscapes. With a humidity level of 76%, December presents a tranquil atmosphere, perfect for leisurely exploration and enjoying the island's charm amidst the softer, cooler air.
As December arrives in Poros, Greece, the island begins to cool, with temperatures reflecting a significant drop from the mild autumn months. The average temperature rests at a comfortable 14°C (58°F), while nighttime lows can dip to a refreshing 7°C (45°F). This transitional period marks the onset of winter, but with maximum daytime temperatures still reaching 20°C (69°F), visitors can enjoy pleasant, sunny days perfect for exploring the picturesque scenery. Compared to earlier months, December provides a quieter atmosphere, ideal for those seeking a peaceful escape while still basking in the charm of the Mediterranean climate.
In December, Poros, Greece, experiences a notable increase in precipitation, with an average of 60 mm (2.4 in) falling over the month. This surge is accompanied by 9 rainy days, marking it as one of the wetter periods of the year. Compared to the relatively dry summer months, where rainfall is scarce—often just 5 mm (0.2 in) in July and 6 mm (0.2 in) in August—December sets itself apart with its more frequent showers. Following November's 47 mm (1.9 in), this increase hints at the seasonal shift, as cooler temperatures bring about a resurgence of rain. Overall, December's precipitation plays a significant role in replenishing the landscape, paving the way for a lush and vibrant winter season in Poros.
In December, Poros, Greece, experiences a notable humidity level of 76%, reflecting a slight increase from the previous month. This trend comes after a dip in the summer months, where humidity reaches its annual low of 63% in August. As the year progresses, humidity begins to rise again, peaking in May at 77% before gradually tapering off in the fall, hovering around 75% in both November and December. Overall, the consistent humidity levels, particularly during the winter months, contribute to Poros's charming coastal climate, making it an inviting destination year-round.
In December, Poros, Greece experiences a moderate UV Index of 3, indicating that sun exposure can still lead to some risk of harm without proper protection. As the year concludes, the burn time lengthens slightly to 30 minutes, mirroring the trend from January and February. Overall, the UV Index remains consistently lower during the winter months, particularly after the intense summer peaks, which see a high of 10 from May through August. This seasonal decrease in UV radiation serves as a reminder for visitors to enjoy the beautiful Mediterranean sun while remaining mindful of their skin’s sensitivity. For a closer look at UV levels throughout the year, check out Poros UV Index.
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December in Poros, Greece, may herald the onset of winter, but it still basks in a generous 255 hours of sunshine. As the year winds down, the days grow shorter, yet this charming island retains a warm glow reminiscent of the vibrant spring and summer months, where sunshine peaked at an invigorating 422 hours in July. The trend reveals a gradual decline in sunlight as the months progress, with December seeing significantly less brightness compared to the abundance of 399 hours in May. However, even in this cooler season, residents and visitors can still relish the sunny spells, making December a delightful time to experience the serene beauty of Poros without the summer crowds.
In Poros, Greece, the likelihood of enjoying sunny weather in December is relatively moderate, with a 55% chance of sunshine. This places December just above a coin toss in terms of clear skies, showing a gentle decline from the more sun-kissed months that precede it. As autumn fades into winter, the diminishing daylight hours play a role in the weather transition, which is reflected in the decreasing percentages from November's 45% to December's figure. However, compared to the chillier months that follow, December still offers a reassuring glimpse of sun, making it a pleasant time for those looking to escape the harsh winters elsewhere. The overall trend points to a gradual increase in sunshine leading up to the hot summer months, ensuring that even in December, Poros retains its charm as a sunlit getaway.
In Poros, Greece, the daylight duration experiences a rhythmic ebb and flow throughout the year, peaking in the lush days of May through July with a consistent 14 hours of sunlight. This vibrant stretch gradually recedes into the gentler lights of autumn, where September offers 12 hours before tapering down to 11 hours in October and further to 10 hours in November. As winter sets in, daylight takes a dip, reaching a modest 9 hours in December, echoing the shorter days of January. This cyclical pattern showcases the enchanting shift from the sun-drenched summer to the tranquil embrace of winter, inviting both relaxation and reflection in this picturesque Mediterranean locale.
In December, Poros, Greece, experiences a notable shift in its wind patterns, with an average wind speed of 5.5 m/s (12 mph), making it one of the breeziest months of the year. As the temperatures cool, the winds pick up, contrasting sharply with the lighter breezes of the late spring and early summer. From May to October, wind speeds remain relatively gentle, rarely exceeding 4.8 m/s, but as the year draws to a close, there's a remarkable resurgence, with December winds surpassing those of previous months. This trend highlights a seasonal change that not only invigorates the air but also enhances the island's charm, inviting visitors to enjoy the refreshing gusts against the backdrop of its stunning landscapes.
Weather in Poros varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Poros, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, temperatures in Poros range from a minimum of 7°C (45°F) to a maximum of 20°C (69°F), with an average of 14°C (58°F). The month experiences around 60 mm (2.4 in) of precipitation over approximately 9 days, while humidity remains fairly high at 76%.
In contrast, January shows a slight dip in temperatures, with a minimum of 2°C (36°F) and an average of 12°C (53°F), but the maximum remains the same at 20°C (69°F). Precipitation decreases to 52 mm (2.0 in) over about 7 days, yet humidity levels stay consistent at 76%. For more detailed information on January weather, you can check Poros weather in January.
December and February exhibit relatively mild weather, though December tends to be slightly warmer and wetter. In December, temperatures range from a minimum of 7°C (45°F) to a maximum of 20°C (69°F), with an average of 14°C (58°F) and 60 mm (2.4 in) of precipitation over approximately 9 days. In contrast, February experiences slightly cooler weather, with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 18°C (65°F) and an average of 13°C (55°F). Precipitation in February is lighter, totaling 46 mm (1.8 in) across about 7 days. Both months have similar humidity levels, with December at 76% and February at 75%. For more detailed information on February weather, check out Poros weather in February.
In December, the weather in Poros is generally mild, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 20°C (69°F), averaging around 14°C (58°F). This month experiences more precipitation, with about 60 mm (2.4 in) over roughly 9 days, coupled with a humidity level of 76%.
In contrast, March sees slightly cooler temperatures, with a minimum of 4°C (40°F) and an average of 13°C (56°F), still peaking at 20°C (68°F). The rainfall decreases significantly to about 33 mm (1.3 in) occurring over just 4 days, and the humidity is slightly lower at 74%. This makes March a drier and often more pleasant month for outdoor activities. For more detailed information, check out Poros weather in March.
December and April weather in Poros exhibit notable differences in temperature and precipitation. In December, temperatures range from a minimum of 7°C (45°F) to a maximum of 20°C (69°F), with an average of 14°C (58°F). It also tends to be wetter, with around 60 mm (2.4 in) of precipitation over approximately 9 days and a humidity level of 76%.
In contrast, April brings milder temperatures, with a minimum of 9°C (49°F) and a maximum of 24°C (75°F), averaging 16°C (60°F). The precipitation is significantly lower at 27 mm (1.1 in) over just 4 days, while the humidity remains similar at 75%. For more details on April weather, you can visit Poros weather in April.
In December, temperatures range from a minimum of 7°C (45°F) to a maximum of 20°C (69°F), with an average of 14°C (58°F). This month also sees considerable precipitation, totaling 60 mm (2.4 in) over approximately 9 days, with humidity levels around 76%. In stark contrast, May brings warmer temperatures, ranging from a minimum of 14°C (57°F) to a maximum of 27°C (81°F), averaging 20°C (68°F). Additionally, May experiences much less rainfall, with only 11 mm (0.5 in) over just 2 days, while humidity slightly increases to 77%. For a closer look at the specific weather conditions in Poros during May, you can visit Poros weather in May.
In December, temperatures in Poros range from a minimum of 7°C (45°F) to a maximum of 20°C (69°F), with an average of 14°C (58°F). The month experiences relatively higher humidity at 76% and about 60 mm (2.4 in) of precipitation over approximately 9 days, giving it a distinct cool and wet feel. In contrast, June offers a much warmer climate, with temperatures ranging from a minimum of 17°C (62°F) to a scorching maximum of 32°C (90°F), averaging around 24°C (75°F). The month is generally dry, with only about 12 mm (0.5 in) of rain over just 2 days and slightly lower humidity at 71%. For more details on June weather, check out Poros weather in June.
December weather contrasts sharply with that of July, showcasing a significant difference in temperature and precipitation. In December, temperatures range from a minimum of 7°C (45°F) to a maximum of 20°C (69°F), with an average of 14°C (58°F) and a notable 60 mm (2.4 in) of rainfall over about 9 days. This results in a high humidity of 76%, creating a cool and damp atmosphere. In stark contrast, July boasts much warmer conditions, with temperatures ranging from 22°C (71°F) to a sweltering 34°C (94°F), averaging 27°C (81°F). Rainfall drops dramatically to just 5 mm (0.2 in) over 1 day, coupled with a lower humidity level of 68%, which contributes to a hot and dry climate. For those interested in the specifics, details about Poros weather in July provide insight into this summer experience.
December and August present strikingly different weather conditions. In December, temperatures range from a minimum of 7°C (45°F) to a maximum of 20°C (69°F), with an average of 14°C (58°F). This month typically sees around 60 mm (2.4 in) of precipitation over about 9 days, resulting in a humidity level of 76%. In contrast, August boasts much warmer temperatures, with a minimum of 23°C (73°F) and a maximum of 34°C (93°F), averaging 28°C (82°F). With only 6 mm (0.2 in) of precipitation across 0 days, August maintains a lower humidity level of 63%. For more detailed weather insights, you can check out Poros weather in August.
December weather presents a cooler atmosphere compared to September, with average temperatures ranging from a minimum of 7°C (45°F) to a maximum of 20°C (69°F). In contrast, September boasts significantly warmer conditions, with temperatures ranging from 18°C (65°F) to 32°C (91°F) and an average temperature of 25°C (77°F). Additionally, December experiences more frequent precipitation, averaging 60 mm (2.4 in) over about 9 days, while September sees much less rainfall—around 30 mm (1.2 in) in only 2 days. The humidity is also notably higher in December, sitting at 76% compared to September’s 65%. For more detailed insights, check out Poros weather in September.
When comparing the weather between December and October, December tends to be cooler and wetter. In December, temperatures range from a minimum of 7°C (45°F) to a maximum of 20°C (69°F), with an average of 14°C (58°F). This month also sees more precipitation, with 60 mm (2.4 in) over about 9 days, contributing to a humid atmosphere at 76%. In contrast, October boasts milder temperatures, with a minimum of 15°C (60°F) and a maximum of 28°C (83°F), averaging 21°C (70°F). It experiences significantly less rainfall at 28 mm (1.1 in) over just 4 days, along with slightly lower humidity at 72%. For more specific details about October's climate, you can check Poros weather in October.
In comparing the weather between November and December, December tends to be cooler, with average temperatures ranging from a minimum of 7°C (45°F) to a maximum of 20°C (69°F). In contrast, November boasts warmer temperatures, with a minimum of 11°C (53°F) and a maximum of 24°C (75°F). Additionally, December experiences slightly more precipitation, totaling 60 mm (2.4 in) over 9 days, compared to November's 47 mm (1.9 in) over 7 days. Humidity levels remain relatively similar, with December at 76% and November at 75%. For a closer look at the conditions in November, you can visit Poros weather in November.
As December rolls in, Poros experiences a noticeable shift in weather, characterized by cooler temperatures and an increase in humidity, settling at a regional average of 76%. Unlike the warmer months, where sunshine dominates, December sees approximately nine days of rainfall, contributing to a total precipitation of about 60 mm. The maximum temperature hovers around a mild 20°C, providing a refreshing contrast to the summer heat while still allowing for pleasant outdoor exploration. For those planning a visit, understanding these climatic changes is key to fully enjoying the beautiful island. Dive deeper into the seasonal variations by checking out Poros Climate.