Last updated: August 21, 2025
December in Chios, Greece offers a delightful blend of mild temperatures and vibrant atmosphere. With maximums reaching 20°C (68°F) and averages around 14°C (57°F), the island enjoys a comfortable climate. However, visitors should prepare for some rain, as precipitation often totals 154 mm (6.1 in) across approximately 16 days. High humidity levels averaging 85% contribute to the season's lush landscapes, making Chios a picturesque destination even in winter. Embrace the charm of this enchanting island during the festive month of December!
In December, Chios, Greece begins to feel the chill of winter, with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 20°C (68°F). The average temperature settles at a mild 14°C (57°F), making it a pleasant time to explore the island without the scorching summer heat. As the month progresses, you’ll notice the temperatures slowly dropping, transitioning from the warmer autumn months into the cooler winter season. This shift is indicative of a broader trend on the island, where December showcases mild conditions compared to the frigid winters found elsewhere, presenting an inviting atmosphere for visitors eager to experience Chios’ winter charm.
In December, Chios experiences a notable increase in precipitation, with 154 mm (6.1 in) of rainfall spread across 16 days, making it one of the wettest months of the year. This sharp rise follows the autumn trend, where November marked 80 mm of rain over 8 days, showcasing the island's transition to its wetter season. Compared to the preceding months, December stands out with its consistent rainfall, offering a stark contrast to the dry summer months, particularly July and August, which recorded minimal precipitation. This pattern underscores Chios' Mediterranean climate, where the rainy season begins in earnest, replenishing the landscape and preparing it for the lush greenery of the coming months.
As December unfolds in Chios, Greece, humidity levels reach a notable high of 85%, making it one of the most humid months of the year. This increase follows a seasonal pattern where humidity tends to peak during the winter months, contrasting sharply with the summer lows. In fact, from the refreshing, drier air of August at just 49%, the island experiences a significant rise through the fall, culminating in December's elevated moisture levels. This trend highlights the island's transition from the warm, arid conditions of summer to the cooler, more humid winter months, creating an atmosphere that feels rich and enveloping as the year comes to a close.
In December, Chios, Greece experiences a moderate UV Index of 3, typical for the winter season, allowing for safer outdoor activities with a burn time of about 30 minutes. This follows a significant peak in the summer months, where UV levels reached as high as 10, marking a perilous period for sun exposure. Notably, the UV Index displays a clear downward trend from the summer's intensity, dropping from 8 in September, through 6 in October, to a more forgiving 4 in November, and finally settling at 3 in December. This seasonal pattern underscores the importance of adapting sun protection measures throughout the year. For detailed insights, visit Chios UV Index.
UV Risk Categories
In Chios, Greece, December gently ushers in the seasonal transition, offering a cozy 253 hours of sunshine. While this is a decrease from the preceding months, it highlights a beautiful trend typical of winter's embrace. As the year nears its close, sunlight gradually fades from its vibrant peak in summer, where July dazzles with a striking 428 hours. However, the charm of December lies in its soft, golden rays that illuminate the island's picturesque landscapes, inviting warmth amidst the cooler temperatures. This month, while shorter in sunlight compared to the Spring and Summer months, still holds a comforting glow, making it a serene time to explore Chios' enchanting beauty.
In Chios, Greece, December ushers in a notable shift in sunny weather, with a 42% chance of sunshine. This decrease is consistent with the declining trends noted as the year comes to a close. While the summer months bask under nearly constant sunlight, peaking at a striking 99% in August, December's probability highlights a significant drop compared to late fall, where November sits at 48%. Although the chance of sunny days is less than in the vibrant spring and summer months, December still offers a glimmer of brightness, reminding visitors that even in winter, Chios retains its Mediterranean charm.
In Chios, Greece, December ushers in a return to shorter days, mirroring the 9 hours of daylight characteristic of January. This seasonal shift reflects a gradual tapering of sunlight as autumn gives way to winter. Following the peak brightness of May through July—when daylight reaches a vibrant 14 hours—the day's light begins to recede, cascading down through 13 hours in August and 12 hours in September. As the year winds down, daylight duration gradually decreases, offering a cozy atmosphere perfect for enjoying cozy indoor activities as temperatures drop. This rhythmic dance of sunlight not only marks the passage of time but also sets the tone for the changing seasons in this picturesque island setting.
As December arrives in Chios, Greece, the winds pick up, averaging 7.0 m/s (16 mph), reminiscent of the breezy start to the year. This month sees a slight increase in wind speed compared to the calmer summer months of May and June, where the average dropped to around 4.6 m/s (10 mph). Interestingly, the winter months maintain a robust breeze, with January just edging out December at 7.2 m/s (16 mph) and February closely following. As autumn gives way to winter, it's clear that the winds in Chios remain a defining feature of the island's charm, inviting both residents and visitors to embrace the refreshing seasonal gusts.
Weather in Chios varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Chios, focusing on differences in temperature, rainfall, humidity, and UV levels.
December and January weather on Chios exhibit some notable differences and similarities. In December, temperatures range from a minimum of 6°C (43°F) to a maximum of 20°C (68°F), with an average of 14°C (57°F). The month experiences significant rainfall, with 154 mm (6.1 in) over 16 days, and humidity levels are quite high at 85%. In contrast, January sees cooler temperatures, with a minimum of 2°C (35°F) and an average of 11°C (53°F), peaking at 19°C (67°F). Although it has a slightly higher total precipitation of 161 mm (6.3 in), rainfall occurs over fewer days, just 12. Humidity remains similar at 84%. For a more detailed look at January weather, you can check out Chios weather in January.
In December, the weather generally starts off cooler with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 20°C (68°F) and an average of 14°C (57°F). This month also experiences significant rainfall, with approximately 154 mm (6.1 in) of precipitation over 16 days, leading to higher humidity levels at 85%.
In contrast, February sees milder temperatures, with minimums dropping to 3°C (37°F), averaging around 12°C (55°F), and maximums reaching 18°C (64°F). The precipitation in February is reduced to about 85 mm (3.4 in), spread over 9 days, and the humidity remains slightly lower at 83%. For more details on February weather, you can check Chios weather in February.
In December, the weather is generally milder, with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 20°C (68°F) and an average of 14°C (57°F). This month experiences significant rainfall, totaling 154 mm (6.1 in) across 16 days, contributing to a high humidity level of 85%. In contrast, March tends to be cooler, with temperatures dropping slightly to a minimum of 3°C (37°F) and a maximum of 19°C (66°F), averaging 13°C (56°F). Precipitation is also considerably less in March, at 63 mm (2.5 in) over 9 days and a humidity level of 81%. For a more detailed look at the climate during this month, visit Chios weather in March.
December and April both showcase moderate temperatures, but with notable differences. In December, the weather is cooler, with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 20°C (68°F) and an average of 14°C (57°F). This month also sees higher precipitation, with 154 mm (6.1 in) spread over 16 days and a humidity level of 85%. In contrast, April brings warmer conditions, with temperatures fluctuating between a minimum of 9°C (48°F) and a maximum of 25°C (76°F), averaging at 16°C (61°F). Rainfall significantly decreases to 36 mm (1.4 in) over just 5 days, accompanied by lower humidity at 75%. For more details on April's weather, check out Chios weather in April.
December and May present contrasting weather conditions. In December, temperatures range from a chilly minimum of 6°C (43°F) to a comfortable average of 14°C (57°F), peaking at a mild 20°C (68°F). This month is characterized by significant rainfall, with approximately 154 mm (6.1 in) over 16 days, leading to a high humidity level of 85%. In contrast, May offers a much warmer climate, with temperatures starting at 14°C (57°F) and soaring to a maximum of 28°C (82°F), averaging around 20°C (68°F). Rainfall is minimal, with just 11 mm (0.4 in) over 2 days, and humidity decreases to 74%. For more insights on the weather, check out Chios weather in May.
December and June present stark contrasts in weather. December tends to be cooler, with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 20°C (68°F), accompanied by significant precipitation totaling 154 mm (6.1 in) over 16 days, along with high humidity at 85%. In contrast, June boasts warmer temperatures, starting from a minimum of 16°C (61°F) and reaching up to 31°C (88°F), while experiencing minimal rainfall of just 8 mm (0.3 in) over only 1 day and lower humidity at 67%. For more detailed information on June weather, check out Chios weather in June.
When comparing the weather in December and July, a striking contrast emerges. December experiences milder temperatures, with minimums around 6°C (43°F) and maximums reaching 20°C (68°F). The month is also characterized by significant precipitation, accumulating 154 mm (6.1 in) over about 16 days, resulting in high humidity levels of 85%. In contrast, July boasts a warm climate, with minimum temperatures of 21°C (70°F) and maximums climbing to 33°C (91°F). Notably, July sees very little rainfall, with only 1 mm (0.0 in) and no rainy days, making it much drier and more comfortable, with humidity levels dropping to 57%. For more details on July weather, you can visit Chios weather in July.
The weather in December and August presents a stark contrast. In December, temperatures range from a minimum of 6°C (43°F) to a maximum of 20°C (68°F), with an average of 14°C (57°F). This month also sees significant rainfall, with 154 mm (6.1 in) of precipitation over 16 days and high humidity at 85%. In sharp contrast, August boasts much warmer conditions, with temperatures starting at 22°C (71°F) and peaking at 32°C (90°F), averaging 26°C (79°F). Notably, August experiences negligible rainfall, with only 1 mm (0.0 in) and no rainy days, accompanied by a lower humidity level of 49%. For more details on August weather in Chios, check out Chios weather in August.
In December, the weather takes on a much cooler and wetter profile compared to September. December temperatures range from a minimum of 6°C (43°F) to a maximum of 20°C (68°F), resulting in an average of 14°C (57°F). In contrast, September enjoys much warmer conditions, with temperatures ranging from a minimum of 17°C (63°F) to a maximum of 30°C (86°F) and an average of 24°C (75°F). Additionally, December experiences significant precipitation with 154 mm (6.1 in) over 16 days, while September is typically dry, with only 5 mm (0.2 in) of rain falling over just one day. Humidity levels are also higher in December at 85%, compared to a modest 56% in September. For more detailed insights, check out Chios weather in September.
In comparing the weather between December and October, December presents cooler temperatures with a minimum of 6°C (43°F) and an average of 14°C (57°F), while October boasts warmer conditions with a minimum of 13°C (55°F) and an average of 20°C (68°F). Additionally, December experiences significantly higher precipitation, averaging 154 mm (6.1 in) over 16 days, in contrast to October’s much drier conditions with only 49 mm (1.9 in) over just 4 days. The humidity also rises in December, reaching 85%, compared to a more comfortable 74% in October. For a detailed look at the climate during October, you can visit Chios weather in October.
In comparing the weather between November and December, we see a noticeable drop in temperatures as December features a minimum of 6°C (43°F), compared to November's milder minimum of 10°C (50°F). While December's average temperature of 14°C (57°F) remains cooler than November's 17°C (63°F), the maximum in December peaks at 20°C (68°F), which is still lower than November's 23°C (74°F). Additionally, December experiences significantly higher precipitation, with 154 mm (6.1 in) over 16 days, while November receives only 80 mm (3.1 in) over 8 days. Despite the slight increase in humidity levels in December at 85%, November's humidity is relatively similar at 82%. For more detailed information on how you can expect the weather to be in November, check out Chios weather in November.
As December settles in, Chios experiences a notable shift in weather compared to other months. With temperatures averaging around 14°C, the island feels cooler, inviting cozy moments while still offering occasional mild days. The increase in precipitation, totaling 154 mm over about 16 days, contributes to the lush greenery and revitalized landscapes that charm visitors during the off-peak season. Coupled with a high humidity level of 85%, December presents a unique, atmospheric quality, showcasing the island's serene beauty even amidst the rain. Embrace the winter vibes and discover more about the island's climate at Chios Climate.