Last updated: August 21, 2025
Experience Mykonos in December, where the charm of this Greek island transitions into a more tranquil vibe. With temperatures ranging from a mild 9°C (48°F) to a pleasant 20°C (69°F), you can expect an average temperature of around 15°C (59°F), perfect for exploring on foot. However, be prepared for some rain, as the island sees approximately 86 mm (3.4 in) of precipitation over 12 days, resulting in a humidity level of 78%. This weather can enhance the island's beauty, giving it a serene and captivating atmosphere far from the bustling summer months.
In December, Mykonos experiences a gentle transition into winter, with temperatures ranging from a minimum of 9°C (48°F) to a comfortable 20°C (69°F) during the day. The average temperature settles at around 15°C (59°F), creating a mild atmosphere perfect for exploring the island's charming villages without the summer crowds. As the year wraps up, the cooling trend becomes apparent, with December’s temperatures marking a notable drop from the balmy autumn months. While the evenings can be brisk, the island still enjoys pleasant sunny days, making it an inviting destination for those seeking a quieter getaway amidst stunning landscapes.
In December, Mykonos experiences a notable uptick in precipitation, with 86 mm (3.4 in) of rain falling over 12 days. This marks a significant increase compared to the drier months of summer, where July and August recorded zero precipitation. As autumn transitions into winter, the island sees a moderate resurgence in rainfall, with November preceding December at 44 mm over just 6 days. This trend illustrates the shift from the dry heat of summer to a wetter climate, making December a month characterized by a more frequent, albeit mild, splash of rain that refreshes the landscape before diving into the cooler depths of winter.
In December, Mykonos experiences a humidity level of 78%, marking a slight increase compared to the preceding months. Throughout the year, humidity in this beautiful Greek island fluctuates, generally hovering around the 77% mark for most of the year, peaking in May at 81%. As summer fades, humidity declines, reaching its annual low of 66% in August before gradually rising again as winter approaches. This trend highlights the island's transition from the sultry summer months to the cooler, more comfortable winter season, making December a time of refreshing crispness amidst the lingering warmth of the Mediterranean.
In December, Mykonos experiences a moderate UV Index of 3, indicating that while the sun is less intense than in the peak summer months, protective measures are still recommended for extended outdoor activities, with a burn time of about 30 minutes. This month stands in contrast to the preceding summer, where the UV Index soared to 10, requiring quick reapplication of sunscreen and limited exposure. As the year winds down, December's UV conditions mirror those of January, emphasizing a seasonal trend of decreased UV intensity, making it a pleasant time to enjoy the island's beauty without the summer's sweltering sun. For detailed information on UV levels throughout the year, check out Mykonos UV Index.
UV Risk Categories
Nestled in the heart of the Aegean, Mykonos offers a delightful retreat even in the midst of winter. December, with its 253 sunshine hours, wraps up the year with a gentle glow that beckons travelers seeking milder weather. While the sun shines less than in the vibrant summer months of July and June, which boast over 420 hours of sunlight, December still holds its charm, outshining the brisk days of January. As the year transitions, the steady decline from the bright 402 hours of May to December's softer light suggests a gradual retreat into the serenity of the holiday season, inviting visitors to enjoy the stunning landscapes and tranquil ambiance of this iconic island.
While Mykonos enjoys a remarkable progression in sunshine throughout the year, December presents a unique transitional phase with a 52% chance of sunny weather. Following the radiant peak of summer, where sunshine reigns supreme with probabilities soaring above 98%, the island experiences a noticeable dip in sunlit days as autumn gives way to winter. However, as the year closes, December still maintains a moderate likelihood of clear skies, offering a refreshing contrast to the cooler months. This slight uptick from November’s 49% suggests that even in winter, Mykonos holds the potential for crisp sunlit days, inviting visitors to embrace the island's charm beyond the bustling summer season.
As the year draws to a close, December in Mykonos, Greece, offers a return to shorter days, with only 9 hours of daylight. This reflects a broader trend of gradually diminishing sunlight from the bright peak of 14 hours in the summer months of June and July. The year unfolds with daylight increasing from 9 hours in January to its zenith in May and June, before tapering off again in the fall. By November, the sunlight decreases to 10 hours, setting the stage for December's shorter days, which invite cozy evenings and a chance to embrace the serene beauty of the island’s winter landscape. Despite the reduced daylight, Mykonos continues to charm visitors with its mild Mediterranean winter.
As December rolls into Mykonos, the island experiences a notable shift in its winds, with an average speed of 8.4 m/s (19 mph), mirroring the gusty conditions of earlier winter months. This trend showcases a resilience in the island's breezes, as December maintains a wind speed comparable to the peaks of summer and autumn. Following a steady drop from its breezy high in July, the island's winds appear to regain momentum, creating an exhilarating atmosphere perfect for outdoor adventures. Whether you're lounging by the coast or exploring the charming streets, the invigorating December winds breathe life into this picturesque destination, making it a captivating time to experience the beauty of Mykonos.
Weather in Mykonos varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Mykonos, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather of December and January, we observe a slight decrease in temperatures as January averages around 12°C (55°F), compared to December's average of 15°C (59°F). While December showcases a maximum of 20°C (69°F), January's peak is only slightly lower at 19°C (67°F). Both months experience comparable precipitation, with December receiving 86 mm (3.4 in) and January slightly higher at 97 mm (3.8 in), each with rain on about 12 days. Humidity levels remain relatively stable, with December at 78% and January at 77%. For more detailed insights specific to January conditions, please visit Mykonos weather in January.
In comparing the weather of December and February, one can observe notable differences in temperature and precipitation. December has a milder climate overall, with average temperatures ranging from a minimum of 9°C (48°F) to a maximum of 20°C (69°F) and experiencing more precipitation at 86 mm (3.4 in) over 12 rainy days. In contrast, February is slightly cooler, with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 18°C (64°F), and a significant reduction in rainfall, totaling just 41 mm (1.6 in) over 8 days. While both months maintain relatively high humidity levels around 76-78%, February tends to feel a bit drier. For a detailed look at February weather in Mykonos, check out Mykonos weather in February.
In December, the weather is generally milder, with temperatures ranging from a minimum of 9°C (48°F) to a maximum of 20°C (69°F), making it feel quite comfortable for outdoor activities. However, December experiences significantly more rainfall, totaling 86 mm (3.4 in) over about 12 days, contributing to a higher humidity level of 78%.
In contrast, March sees slightly cooler temperatures, with a minimum of 5°C (41°F) and a maximum of 17°C (63°F), but it is drier, with only 44 mm (1.7 in) of precipitation spread over 6 days. The humidity is comparable at 77%, making March a fresher choice for those seeking to enjoy the outdoors. For more detailed information, you can check Mykonos weather in March.
In comparison to December, April presents a milder and drier climate. While both months share a similar average temperature of around 15°C (59°F), December experiences slightly cooler minimum temperatures at 9°C (48°F) compared to April's 10°C (50°F). Additionally, December sees considerably more precipitation, with 86 mm (3.4 in) over 12 days, in contrast to April's modest 20 mm (0.8 in) over just 3 days. Humidity levels are quite comparable, with December at 78% and April at 77%. For more details on the weather in April, visit Mykonos weather in April.
In December, the weather is generally cooler, with temperatures ranging from a minimum of 9°C (48°F) to a maximum of 20°C (69°F) and an average of 15°C (59°F). This month also sees a significant amount of rainfall, with about 86 mm (3.4 in) spread over 12 days, resulting in a humidity level of 78%. In contrast, May offers a warmer climate, with temperatures ranging from 15°C (58°F) to 23°C (74°F) and an average of 19°C (66°F). Precipitation is minimal in May, totaling only 4 mm (0.2 in) over just 1 day, and the humidity is slightly higher at 81%. For more details on the weather in May, you can check Mykonos weather in May.
December and June present strikingly different weather conditions. In December, temperatures range from a minimum of 9°C (48°F) to a maximum of 20°C (69°F) with an average of 15°C (59°F). This month typically sees about 86 mm (3.4 in) of precipitation spread over 12 days, accompanied by a humidity level of 78%. In contrast, June offers much warmer temperatures, with a minimum of 17°C (63°F) and a maximum of 27°C (81°F), averaging at 22°C (72°F). Precipitation is minimal in June, totaling only 3 mm (0.1 in) over just 1 day, and the humidity is slightly lower at 77%. For more detailed insights into June weather, check out Mykonos weather in June.
In December, the weather is notably cooler with temperatures ranging from a minimum of 9°C (48°F) to a maximum of 20°C (69°F), averaging around 15°C (59°F). This month also sees considerable rainfall, with 86 mm (3.4 in) of precipitation over 12 days, contributing to a higher humidity level of 78%. In contrast, July offers a warm and dry climate, with temperatures starting at a minimum of 21°C (71°F) and peaking at 29°C (85°F), averaging at 25°C (77°F). Remarkably, July experiences no precipitation and has a lower humidity level of 71%. For more details on the warm July weather, visit Mykonos weather in July.
December and August present stark contrasts in weather conditions. In December, temperatures range from a mild minimum of 9°C (48°F) to a maximum of 20°C (69°F), accompanied by a notable average of 15°C (59°F). This month experiences significant precipitation of 86 mm (3.4 in) over approximately 12 days, resulting in a relatively high humidity level of 78%. In contrast, August boasts a much warmer climate, with minimum temperatures around 22°C (71°F) and a daily average of 25°C (77°F), reaching highs of 29°C (85°F). Remarkably, August sees no rainfall, contributing to lower humidity levels at 66%. For more detailed information on the weather, you can check Mykonos weather in August.
In comparing the weather between December and September, it's clear that September offers a much warmer climate. The average temperature in September reaches 23°C (74°F), with highs around 27°C (81°F), while December’s average is significantly cooler at 15°C (59°F), peaking at 20°C (69°F). Additionally, September enjoys much drier conditions, with only 5 mm (0.2 in) of precipitation and no rainy days, contrasting sharply with December’s 86 mm (3.4 in) of rainfall over 12 days. Humidity levels are also slightly lower in September at 70%, compared to 78% in December. For more insights on Mykonos weather during September, visit Mykonos weather in September.
In comparing the weather between December and October, we see a notable shift in temperatures and precipitation patterns. December has lower temperatures, with a minimum of 9°C (48°F) and an average of 15°C (59°F), compared to October's milder range, where the minimum is 15°C (58°F) and the average sits at 20°C (69°F). Additionally, December experiences significantly more rainfall, with 86 mm (3.4 in) over 12 days, while October is much drier, receiving only 20 mm (0.8 in) across just 2 days. Humidity levels are relatively similar, with December at 78% and October at 76%. For a closer look at October's weather, you can check Mykonos weather in October.
December weather tends to be cooler and wetter compared to November. In December, the minimum temperature drops to 9°C (48°F) with an average of 15°C (59°F) and a maximum reaching 20°C (69°F). This month also sees increased precipitation, accumulating to 86 mm (3.4 in) over 12 days, while humidity remains relatively high at 78%. In contrast, November features warmer temperatures, with a minimum of 12°C (53°F), an average of 17°C (64°F), and a maximum of 22°C (72°F). Precipitation in November is significantly lower at 44 mm (1.7 in) across just 6 days, and humidity is slightly lower at 77%. For a detailed look at the weather trends, check out Mykonos weather in November.
As December sets in, Mykonos transforms into a serene winter retreat, offering a delightful contrast to its bustling summer months. While temperatures remain mild, with a comfortable average around 15°C, the island experiences increased humidity and precipitation, leading to a more tranquil atmosphere. With rain on about half the month’s days, December invites visitors to explore the stunning landscapes and charming villages at a more leisurely pace. For those seeking to understand how this beautiful island’s weather changes throughout the year, you can find detailed insights at Mykonos Climate.