Last updated: August 21, 2025
Experience the charm of Poros, Greece in December, where the weather offers a mild retreat with a maximum temperature reaching 19°C (67°F) and an average of 15°C (58°F). As the month unfolds, temperatures dip to a minimum of 8°C (46°F), ensuring cozy days and cool evenings. Visitors should be prepared for occasional rain, as 204 mm (8.0 in) of precipitation graces the island across 16 days, creating a vibrant and lush landscape. With an average humidity of 83%, the atmosphere feels refreshingly crisp, making it the perfect time for leisurely strolls along the beautiful coastline and exploring local culture without the crowds. Enjoy the serene beauty of Poros as it transforms into a hidden gem during the winter months.
In December, Poros, Greece begins to embrace the charm of winter, with temperatures gradually cooling as the year draws to a close. The minimum temperature hovers around 8°C (46°F), providing a crisp, refreshing atmosphere ideal for exploring the island's scenic beauty. The average temperature reaches a comfortable 15°C (58°F), making it a pleasant time for leisurely strolls along the coast or quaint village streets. With a maximum of 19°C (67°F), sunny days can still beckon travelers to enjoy the last remnants of mild weather before winter fully sets in. This transitional month highlights a trend of increasingly cooler temperatures compared to the preceding autumn months, while still offering inviting days to experience the unique allure of Poros.
In Poros, Greece, December brings a notable shift in weather patterns, marked by a significant precipitation increase. With 204 mm (8.0 in) of rain over 16 days, December stands out as a month when the island often feels the weight of winter's arrival. This trend of heightened rainfall follows the exceptionally wet November, which recorded 225 mm (8.8 in) across the same number of days, creating a seasonal rhythm of consistent moisture. As the year comes to a close, the skies open up more frequently than in previous months, with precipitation days peaking to 16 in December—an increase from November's already active weather pattern. This consistent rainfall not only nourishes the landscape but also paints a vivid picture of Poros as it transitions into the heart of winter.
In December, Poros, Greece experiences an increase in humidity, reaching 83%. This month marks a return to damp conditions reminiscent of earlier winter months, contrasting sharply with the drier summer peak seen in August, when humidity dipped to a low 47%. As the year progresses, humidity tends to rise from the summer's low, peaking in the wetter months of November and December. Following the seasonal trend, October also reveals a spike to 70%, hinting at the shift back to more humid weather as the region transitions from the warmth of summer to the cooler embrace of winter. Overall, December's humidity underscores the island's characteristic seasonal variability, with fluctuations that mirror the ebb and flow of the Mediterranean climate.
In December, Poros, Greece experiences a moderate UV Index of 3, suggesting relatively safe sun exposure with a burn time of 30 minutes for fair-skinned individuals. As we transition from the intense summer months, where the UV Index soared to a peak of 10 in July and August, December offers a reprieve with lower UV levels. This trend of decreasing UV intensity continues from the autumn months, with November recording a similar Index of 4, making it comfortable for outdoor activities without the heavy precautions of earlier months. As the year culminates, the sun's rays become less harsh, but it's still wise to remain cautious. For more detailed information, check the Poros UV Index.
UV Risk Categories
Poros, Greece, basks in the warm embrace of sunlight throughout the year, with December offering a delightful 250 hours of sunshine. As the year progresses from January's 209 hours to December’s 250, there's a clear upward trend in daylight, peaking in the summer months of June and July with an impressive 410 and 422 hours respectively. This gradual increase not only highlights the island's appeal as a year-round destination, but also showcases the beauty of transitioning seasons. Through the charming winter days of December, visitors can still enjoy the serene landscapes and mild weather, making it an enticing time to explore the vibrant shores and rich culture of Poros.
In Poros, Greece, the likelihood of sunny weather varies significantly throughout the year, revealing a clear trend towards consistently brighter days in the summer months. While December sees a decent 53% chance of sunshine, it's notable that this figure is part of a larger pattern where the chances increase as the year progresses, culminating in the peak summer months of July and August, which boast impressive probabilities of 97% and 95%, respectively. As the colder months approach, particularly in November and January, the sunshine dips again to 34%, showing a marked contrast to the sun-drenched summer. This cyclical pattern underscores Poros's Mediterranean charm, promising both warm, sunny summers and a mild, albeit cloudier winter for those seeking an escape from the chill.
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.
As the calendar turns to December in Poros, Greece, the average wind speed experiences a notable uptick, rising to 7.1 m/s (16 mph). This marks a gentle increase from the preceding months, aligning with the trend of wind speeds typically peaking during the winter months. While earlier months like June, July, and August showcase calm breezes averaging around 4 m/s, the winds begin to gather strength as autumn transitions into winter. With November's winds reaching 6.8 m/s (15 mph), December's gusts signal the season’s arrival, creating a lively atmosphere that invites both adventure and tranquility to the beautiful island.
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.
December and January both feature mild temperatures, but January tends to be slightly cooler. In December, the minimum temperature averages around 8°C (46°F), while January sees a drop to about 3°C (38°F). Both months share the same maximum temperature of 19°C (66°F), but January's average temperature is lower at 12°C (54°F) compared to December's 15°C (58°F). Precipitation is common in both months, with December receiving 204 mm (8.0 in) over 16 days, whereas January has 179 mm (7.1 in) of rain across 14 days. Humidity remains consistent, with December at 83% and January slightly higher at 84%. For more detailed information, you can refer to the weather specifics here: Poros weather in January.
In December, the weather is generally milder with temperatures ranging from a minimum of 8°C (46°F) to a maximum of 19°C (67°F), and an average temperature of 15°C (58°F). This month experiences significant precipitation, totaling 204 mm (8.0 in) over 16 rainy days, coupled with high humidity at 83%. In contrast, February sees cooler temperatures, with a minimum of 4°C (40°F) and a maximum of 17°C (63°F), averaging 13°C (55°F). The precipitation in February decreases to 96 mm (3.8 in) spread over just 10 days, and humidity is slightly lower at 78%. For more insights on February weather, you can check Poros weather in February.
In December, temperatures are generally milder, ranging from a minimum of 8°C (46°F) to a maximum of 19°C (67°F), with an average of 15°C (58°F). The month experiences significant rainfall, totaling 204 mm (8.0 in) over 16 days, accompanied by high humidity levels at 83%. In contrast, March offers slightly cooler temperatures, with a minimum of 6°C (44°F) and a maximum of 17°C (63°F), averaging 13°C (56°F). Rainfall is considerably lower in March at 63 mm (2.5 in) across 10 days, and humidity also decreases to 75%. For more specific details about March weather, you can check Poros weather in March.
December and April present contrasting weather patterns. In December, temperatures range from a chilly 8°C (46°F) at night to a mild 19°C (67°F) during the day, with an average temperature of 15°C (58°F). The month is characterized by significant rainfall, receiving 204 mm (8.0 in) over 16 days, and high humidity levels at 83%. In stark contrast, April experiences slightly warmer minimum temperatures of 11°C (52°F) and can reach up to 23°C (74°F), averaging 15°C (60°F). Precipitation in April is minimal, totaling only 31 mm (1.2 in) over just 5 days, and humidity drops to a more comfortable 70%. For more details on April weather, visit Poros weather in April.
December and May showcase distinctly different weather patterns. In December, temperatures range from a mild 8°C (46°F) to a comfortable max of 19°C (67°F), accompanied by significant precipitation totaling 204 mm (8.0 in) over 16 days, alongside high humidity at 83%. In contrast, May brings warmer temperatures, with a minimum of 13°C (55°F) and a maximum reaching 24°C (75°F). The month is notably drier, with only 16 mm (0.6 in) of precipitation spread across just 3 days and a lower humidity of 72%. For a closer look at Poros weather specifics in May, you can visit Poros weather in May.
December and June weather in Poros exhibit stark contrasts. December sees cooler temperatures, with minimums around 8°C (46°F) and averages reaching only 15°C (58°F), while June enjoys much warmer conditions, with minimums of 16°C (62°F) and averages of 22°C (71°F). Additionally, December is marked by considerable rainfall, totaling 204 mm (8.0 in) over 16 days, compared to the much drier June, which experiences only 23 mm (0.9 in) across just 2 days. The humidity also varies significantly, with December’s high humidity at 83% compared to a more comfortable 60% in June. For a closer look at what to expect, you can check out Poros weather in June.
December and July present strikingly contrasting weather patterns. In December, temperatures range from a cool 8°C (46°F) at night to a mild 19°C (67°F) during the day, with an average of 15°C (58°F). The month is characterized by frequent rain, boasting a total precipitation of 204 mm (8.0 in) over 16 days, accompanied by high humidity levels at 83%. In contrast, July features much warmer temperatures, with nighttime lows of 20°C (68°F) and daytime highs reaching 28°C (83°F), averaging 24°C (76°F). This summer month experiences significantly less rain, receiving only 13 mm (0.5 in) across just 1 day, and the humidity is considerably lower at 56%. For more detailed insights on the warm and dry conditions of July, check out Poros weather in July.
When comparing the weather in December and August, a stark contrast emerges. December experiences cooler temperatures, with averages ranging from a minimum of 8°C (46°F) to a maximum of 19°C (67°F), alongside high humidity levels at 83% and significant rainfall of 204 mm over 16 days. In contrast, August boasts significantly warmer weather, with temperatures ranging from a comfortable 23°C (73°F) to a maximum of 30°C (85°F), featuring drastically lower precipitation at just 5 mm over only 1 day and a much drier humidity level of 47%. For more detailed information on August conditions, you can refer to Poros weather in August.
When comparing the weather in December and September, it's evident that September offers warmer temperatures with a minimum of 18°C (64°F) and an average of 24°C (76°F), while December has cooler temperatures, with a minimum of 8°C (46°F) and an average of 15°C (58°F). Additionally, September experiences significantly less precipitation, totaling only 49 mm (1.9 in) over just 4 days, compared to December's 204 mm (8.0 in) spread across 16 days, making December much wetter. Moreover, the humidity in December is notably higher at 83%, compared to the more comfortable 56% in September. For more detailed information, you can check Poros weather in September.
In comparing the weather between December and October, October features significantly warmer temperatures with minimums around 15°C (59°F) and average highs reaching 26°C (79°F), compared to December's cooler averages of 8°C (46°F) to 19°C (67°F). Additionally, October sees less precipitation, totaling 121 mm (4.8 in) over just 8 days, whereas December is much wetter with 204 mm (8.0 in) of rain spread over 16 days. Humidity levels are also lower in October at 70%, while December experiences a higher humidity of 83%. For more detailed information, you can check Poros weather in October.
In comparing the weather between November and December, we observe a transition from slightly warmer to cooler temperatures. December experiences a lower minimum temperature of 8°C (46°F) and an average of 15°C (58°F), compared to November's milder minimum of 12°C (53°F) and average of 18°C (64°F). Precipitation levels are substantial in both months, with December receiving 204 mm (8.0 in) over 16 days, while November has a higher total of 225 mm (8.8 in) over just 14 days. Humidity also sees a slight increase, reaching 83% in December, up from November's 80%. For more detailed insights into November weather, you can visit Poros weather in November.
As December unfolds in Poros, it brings a noticeable shift in weather compared to the milder months that precede it. The average temperatures dip, creating a cooler atmosphere more characteristic of winter, with crisp mornings and refreshing evenings. Increased precipitation is also a hallmark of this month, with several rainy days contributing to the island’s lush greenery, while humidity levels linger high, enhancing the chill in the air. Despite the frequent showers, December's charm lies in its serene ambiance, inviting visitors to experience Poros's beauty in a quieter setting. For more comprehensive insights on the climate, check out Poros Climate.