Last updated: August 21, 2025
Oia, Greece, in December offers a mild coastal climate characterized by maximum temperatures reaching 20°C (68°F) and an average of 15°C (60°F). Visitors can expect a minimum temperature of 10°C (50°F), making it a comfortable destination for exploring its stunning landscapes. However, December also sees average precipitation of 72 mm (2.8 in) over 12 days, and a humidity level of 78%, which can add a refreshing touch to the atmosphere. This combination of pleasant temperatures and occasional rain creates an enchanting setting, perfect for enjoying the beauty of Oia's iconic sunsets and charming streets.
As December rolls into Oia, Greece, the temperatures begin to cool down, with minimums averaging around 10°C (50°F) and daily highs reaching up to 20°C (68°F). This marks a transition from the warmer autumn months, as the average temperature settles at a comfortable 15°C (60°F). While the days are still pleasantly mild, there's a noticeable dip from the preceding months, inviting visitors to enjoy the serene beauty of the village without the summer crowds. With scenic vistas and crisp, refreshing air, December offers a unique charm perfect for cozy exploration and tranquil evenings by the sea.
December in Oia, Greece, marks a significant uptick in precipitation as the region prepares for the winter months. With 72 mm (2.8 in) of rain spread over 12 days, it becomes one of the wetter months, only slightly less than January. This contrasts sharply with the dry summer months, where July and August record virtually no rainfall at all. The gradual increase in precipitation from 4 mm (0.2 in) in May to nearly ten times that amount by December highlights a clear seasonal shift. As the year concludes, Oia experiences a cozy, refreshing atmosphere, inviting visitors to explore its charm amidst the soft patter of rain.
As December settles over Oia, Greece, humidity levels average a comfortable 78%, slightly elevating from the previous months but remaining consistent with the year’s trend. The winter months, from November through March, show a stable humidity range around 76% to 78%, creating a cozy atmosphere for visitors. Interestingly, the most humid month is May, peaking at 81%, hinting at the warmth that precedes the summer heat. Conversely, humidity dips during the peak summer months of July and August, reflecting the island's dry, sun-kissed climate. Overall, December offers a balanced humidity, adding to Oia's charm as the year winds down.
In Oia, Greece, the UV Index presents a seasonal pattern that reflects the shifting sunlight exposure throughout the year. Starting with a moderate index of 3 in December, the winter months offer a more forgiving sun, allowing for up to 30 minutes of safe exposure without the risk of sunburn. As spring approaches, the UV Index rises, peaking at an intense 10 during the summer months, where even brief sun exposure of just 15 minutes can lead to burns. This trend highlights the importance of sun protection as temperatures rise, with high levels sustained well into September. By late autumn, the numbers decrease again, returning to a moderate level by November and once more in December. For more detailed information on the UV Index throughout the year, check out Oia UV Index.
UV Risk Categories
In December, Oia, Greece, experiences a gentle retreat from the abundant sunshine of summer, boasting 267 hours of sunlight. Although this marks a decline from the sun-drenched months of July and August, which enjoy upwards of 400 hours, December still offers a charming respite for visitors seeking milder weather. As the year winds down, the gradual decrease in sunshine hours from the peak of 424 in July signals the approaching winter, yet the allure of Oia remains, with its stunning sunsets and warm Mediterranean charm. This transition into winter, while seeing fewer sunlit hours than the previous months, creates an intimate ambiance perfect for cozy explorations of the island's iconic whitewashed buildings and breathtaking views.
In Oia, Greece, December offers a charming atmosphere with a 51% chance of sunny weather. While this marks a dip compared to the sunnier months of June and July, which boast almost full sunshine at 93% and 99%, respectively, it still brings a decent likelihood of pleasant days. The trend is notable as the year transitions, with November seeing a 48% chance, slightly lower than December. As winter approaches, sunshine becomes less reliable, but this enchanting village remains a captivating destination, promising moments of warmth and beauty amidst the cooler climate. Whether you're wandering the stunning cliffside paths or enjoying the local cuisine, December in Oia offers a unique charm that makes it worthwhile, even with the occasional cloud cover.
As the year draws to a close in Oia, Greece, December brings a return to shorter days, offering only 9 hours of daylight. This decline is part of a familiar seasonal pattern, where daylight gradually increases from the winter solstice in December, reaching a peak of 14 hours by June. The months preceding December witness a steady tapering, transitioning from 10 hours in November to the year’s lowest point in December. Following this, the days will slowly lengthen again, reigniting the island’s vibrant beauty come spring. The dance between day and night establishes a rhythm of life in Oia, with each month wrapping itself in a unique blend of light and shadow.
As December descends upon Oia, Greece, the wind begins to resonate with a notable vigor, averaging 8.0 m/s (18 mph)—a brisk reminder of winter’s approach. This increase in wind speed echoes a trend observed throughout the year, where early winter months showcase a resurgence of stronger breezes, mimicking the patterns seen from March and July. While spring months tend to experience gentler winds, December's gusts create a dynamic backdrop against the stunning caldera views, inviting visitors to embrace the invigorating atmosphere. As the year closes, the winds of Oia not only enhance its enchanting landscape but also invigorate the spirit of those who wander its charming streets.
Weather in Oia varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Oia, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, temperatures typically range from a minimum of 10°C (50°F) to an average of 15°C (60°F), peaking at 20°C (68°F). The month sees about 72 mm (2.8 in) of precipitation over 12 days, contributing to a humidity level of 78%. In contrast, January brings slightly cooler conditions, with minimum temperatures dropping to 5°C (40°F) and an average of 13°C (56°F), while the maximum remains the same at 20°C (68°F). January experiences a negligible increase in precipitation to 76 mm (3.0 in) over 11 days, and humidity remains similar at 77%. For more detailed insights into the weather in January, visit Oia weather in January.
December and February both have mild temperatures, but December is slightly warmer overall. In December, temperatures range from a minimum of 10°C (50°F) to a maximum of 20°C (68°F), with an average of 15°C (60°F). In contrast, February sees minimum temperatures drop to 7°C (44°F) and a maximum of 19°C (66°F), averaging 14°C (58°F). Precipitation is also higher in December, with 72 mm (2.8 in) over 12 days compared to February's 58 mm (2.3 in) across 8 days. Despite the overall decrease in rainfall and slightly lower temperatures, February maintains a low humidity level of 76%, only a notch below December's 78%. For more detailed information, check out Oia weather in February.
In December, temperatures are generally warmer, with a minimum of 10°C (50°F) and a maximum reaching up to 20°C (68°F), while March experiences cooler weather with a minimum of 6°C (44°F) and a maximum of 18°C (65°F). December also tends to be wetter, receiving approximately 72 mm (2.8 in) of precipitation over 12 days, compared to March's 44 mm (1.7 in) spread across just 6 days. Humidity levels remain fairly consistent between the two months, with December at 78% and March slightly lower at 77%. For more specific insights about the weather in March, you can explore Oia weather in March.
In comparing the weather between December and April, we see some notable differences. December tends to be cooler with an average temperature of 15°C (60°F) and increased precipitation, totaling 72 mm (2.8 in) over about 12 days, resulting in a humidity level of 78%. In contrast, April offers slightly warmer averages at 16°C (61°F), with significantly less rain amounting to just 17 mm (0.7 in) over only 2 days, and a similar humidity level of 77%. This makes April a drier and more pleasant month overall. For more detailed information about the weather in Oia during April, you can check Oia weather in April.
In December, the weather tends to be cooler, with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 20°C (68°F), paired with a fair amount of precipitation at 72 mm (2.8 in) over 12 days. The humidity levels hover around 78%, contributing to a damp feel throughout the month. In contrast, May experiences milder conditions, with temperatures ranging from a minimum of 15°C (60°F) to a maximum of 24°C (75°F). Remarkably, May sees significantly less rain, with only 4 mm (0.2 in) of precipitation and no rainy days, making it a drier month, despite a slightly higher humidity level of 81%. For more detailed information, check Oia weather in May.
In December, the weather is quite cool with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 20°C (68°F), averaging around 15°C (60°F). This month also experiences significant precipitation, with around 72 mm (2.8 in) spread over approximately 12 days, and humidity levels hovering at 78%. In contrast, June boasts warmer temperatures, with a minimum of 18°C (65°F) and a maximum of 27°C (80°F), averaging 23°C (73°F). June is notably dry, receiving only about 3 mm (0.1 in) of precipitation during the month, with no rainy days, and maintaining a slightly lower humidity of 77%. This significant difference in weather patterns makes June a much more pleasant time to enjoy outdoor activities, as highlighted in this resource: Oia weather in June.
When comparing the weather in December and July, it’s evident that the two months differ significantly. December offers cooler temperatures, with a minimum of 10°C (50°F) and an average of 15°C (60°F), while July boasts much warmer weather, with temperatures starting at a minimum of 22°C (72°F) and averaging 25°C (77°F). Additionally, December experiences about 72 mm (2.8 in) of precipitation over 12 days, leading to a higher humidity level of 78%. In stark contrast, July enjoys a dry spell with no recorded precipitation, resulting in lower humidity at 71%. For more details on July weather specifics, you can check out Oia weather in July.
The weather in December is significantly cooler than in August, with average temperatures ranging from a minimum of 10°C (50°F) to a maximum of 20°C (68°F), while August experiences much warmer temperatures, with lows of 22°C (73°F) and highs reaching up to 30°C (86°F). December also sees more precipitation, with 72 mm (2.8 in) spread over approximately 12 days, resulting in a humidity level of 78%. In contrast, August is characterized by dry conditions, receiving only 1 mm (0.0 in) of rainfall and enjoying a lesser humidity of 66%. For more detailed weather information during August, visit Oia weather in August.
December and September present quite contrasting weather conditions. In December, temperatures range from a minimum of 10°C (50°F) to a maximum of 20°C (68°F), with an average of 15°C (60°F). This month also experiences higher precipitation, with around 72 mm (2.8 in) spread over 12 days, and a humidity level of 78%. In contrast, September boasts much warmer temperatures, with a minimum of 20°C (68°F) and a maximum of 27°C (82°F), averaging 24°C (75°F). Notably, it sees minimal rainfall, with only 2 mm (0.1 in) and no rainy days, along with slightly lower humidity at 70%. For more detailed insights into September weather, you can check out Oia weather in September.
In comparing the weather between December and October, October typically offers warmer temperatures, with averages around 21°C (70°F) compared to December's milder 15°C (60°F). While October enjoys a maximum of 26°C (79°F), December's highs reach only up to 20°C (68°F). Precipitation is notably higher in December, with 72 mm (2.8 in) spread over 12 days, while October experiences significantly less rain, totaling just 14 mm (0.5 in) over only 2 days. Humidity levels are fairly similar, hovering around 76% in October and slightly increasing to 78% in December. For more information on October weather in Oia, you can visit Oia weather in October.
In comparing the weather of December to November, December typically experiences cooler temperatures, with a minimum of 10°C (50°F) and a maximum of 20°C (68°F), versus November's minimum of 13°C (55°F) and maximum of 23°C (73°F). Additionally, December sees a significant increase in precipitation, totaling 72 mm (2.8 in) across 12 days, compared to November's 41 mm (1.6 in) over just 5 days. Humidity remains fairly similar, with December at 78% and November slightly lower at 77%. For more specifics on November weather, you can check out Oia weather in November.
As December rolls into Oia, the weather takes on a chillier character compared to the warmer months, with temperatures hovering around a comfortable yet brisk average of 15°C (60°F). This month is marked by an increase in precipitation, adding a touch of unpredictability with about 12 days of rain. While the air tends to be humid at 78%, it creates a cozy atmosphere perfect for enjoying the scenic views without the bustling summer crowds. For a deeper understanding of how the climate shapes your visit, explore the details at Oia Climate.