Last updated: August 21, 2025
December in Spetses, Greece offers a mild and inviting climate, with average temperatures hovering around 14°C (58°F). Daytime highs reach up to 20°C (68°F), while evenings cool down to a refreshing 8°C (46°F). Although the month sees an average precipitation of 55 mm (2.2 in) spread over 9 days, the humidity remains comfortably balanced at 76%. This blend of temperate weather and occasional rain makes December an enchanting time to explore the picturesque charm of Spetses, where the island’s beauty shines even in the cooler months.
In December, Spetses, Greece experiences a pleasant winter climate, characterized by a gentle drop in temperatures as the island transitions toward the colder months. With minimum temperatures around 8°C (46°F) and a comfortable average of 14°C (58°F), the weather remains relatively mild compared to many other European destinations. Daytime highs can reach 20°C (68°F), presenting a lovely opportunity to explore the charming streets and enjoy the stunning coastal views. As the year comes to a close, visitors can expect a refreshing yet inviting environment, perfect for leisurely strolls and local festivities.
December in Spetses, Greece, continues the trend of increased rainfall observed as the year draws to a close, bringing in 55 mm (2.2 in) of precipitation over 9 days. This marked increase aligns with the heavier rains of November, reflecting a consistent pattern in the late autumn and early winter months. As temperatures cool and the festive season approaches, locals and visitors can expect a few more damp days, which contrasts sharply with the near-dry summer months. The tranquil island atmosphere during this time, coupled with the relatively high precipitation, contributes to a unique charm, as the landscape is refreshed and revitalized before the arrival of milder, sunnier conditions in spring.
The humidity levels in Spetses, Greece exhibit a subtle ebb and flow throughout the year, with December maintaining a humidity rate of 76%—similar to January's reading. As we transition from the crisp autumn months into the depths of winter, the humidity remains fairly consistent, bouncing between 72% and 77% for much of the year. The summer months see a gradual decline, hitting its lowest point in August at 63%, which offers a refreshing reprieve from seemingly pervasive moisture. However, as the temperature dips in the fall, humidity creeps back up, signaling the approach of milder, wetter winter days. Overall, Spetses experiences a moderate climate where humidity plays a significant role in the island's allure, making December a refreshing time to visit.
In December, Spetses, Greece, experiences a moderate UV Index of 3, indicating a return to safer sun exposure levels after the intense summer months. With a recommended burn time of 30 minutes, visitors can enjoy the island's serene beauty without the fierce sunburn risks of prior months. This pattern highlights the shift from very high UV Index readings in the peak summer, where caution is essential and burn times dramatically decrease to just 15 minutes, to a more forgiving winter climate. As the year winds down, the UV Index reflects a general trend of decreasing exposure levels, providing a pleasant environment for outdoor activities without the same level of sun protection necessary during the height of summer. For more detailed information, check out Spetses UV Index.
UV Risk Categories
In Spetses, Greece, December greets you with a gentle warmth, offering 258 hours of sunshine—a lovely, albeit quieter, flicker compared to the sun-drenched peaks of summer, where July boasts a radiant 422 hours. As the year winds down, the daylight gradually recedes from the vibrant 400 hours of May and the sunniest stretch of June. Yet, the charm of December lies in its ability to let visitors relish the mild climate and beautiful views without the crowds, creating a serene atmosphere perfect for exploration. As winter approaches, the sunlight may dwindle, yet the allure of Spetses remains bright, inviting all to bask in its inviting glow, even in the heart of winter.
In Spetses, Greece, December sees a 57% chance of sunny weather, reflecting a modest increase from the cloudy November days when the sun only shines 41% of the time. This trend showcases the island's potential for pleasant, albeit cooler, winter days as the month progresses. While December doesn't boast the high sun probabilities of the summer months—where July and August enjoy an impressive 96%—it remains a significant improvement over the autumn chill. Visitors can expect a mix of sunny spells interspersed with the occasional overcast day, making December a charming time to explore the island without the typical summer crowds.
In Spetses, Greece, December marks a return to shorter days, with daylight lasting approximately 9 hours. This decrease in sunlight is part of a broader trend throughout the year, as daylight gradually increases from January’s 9 hours to a peak of 14 hours during the summer months of June, July, and August. As autumn sets in, daylight begins to wane again, transitioning back to 10 hours in November. The ebb and flow of daylight in this stunning island destination not only influences daily activities but also enhances the charm of its picturesque landscapes, inviting visitors to embrace the serene beauty of winter.
As December settles over Spetses, Greece, the island experiences a notable increase in wind speed, reaching an average of 5.5 m/s (12 mph). This is a sharp contrast to the more tranquil breezes of summer, where wind speeds dipped to as low as 3.0 m/s (7 mph) in June. The winter months generally bring a refreshing uptick, beginning with October's 5.3 m/s (12 mph) and continuing into December, suggesting a natural shift towards brisker conditions as the year draws to a close. Unlike the milder, warmer breezes of earlier months, December's winds add a vibrant energy to the island, making it an ideal time for those seeking the invigorating embrace of nature.
Weather in Spetses varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Spetses, focusing on differences in temperature, rainfall, humidity, and UV levels.
December and January weather in Spetses exhibit some similarities and differences. In December, temperatures range from a minimum of 8°C (46°F) to a maximum of 20°C (68°F), with an average temperature of 14°C (58°F). The month sees about 55 mm (2.2 in) of precipitation over 9 days, with humidity sitting at a consistent 76%. In contrast, January experiences slightly cooler conditions, with a minimum temperature of 3°C (38°F) and an average of 12°C (53°F), peaking at 21°C (69°F). January also has a similar level of precipitation, amounting to 53 mm (2.1 in) over 8 days, while maintaining the same humidity level of 76%. For more detailed information, you can check Spetses weather in January.
In December, the weather tends to be slightly milder, with average temperatures ranging from a minimum of 8°C (46°F) to a maximum of 20°C (68°F). The month typically experiences around 55 mm (2.2 in) of precipitation over about 9 days, accompanied by a humidity level of 76%. In contrast, February sees a slight dip in temperature, with averages from a minimum of 5°C (41°F) to a maximum of 18°C (64°F). Despite having similar precipitation levels of 55 mm (2.1 in), February is typically drier, with rain occurring on around 7 days and a humidity of 75%. For more detailed information about the weather in February, you can visit Spetses weather in February.
December and March exhibit mild winter conditions, but there are notable differences between the two months. In December, temperatures generally range from a minimum of 8°C (46°F) to a maximum of 20°C (68°F), with an average of 14°C (58°F). This month sees approximately 55 mm (2.2 in) of precipitation over about 9 days, coupled with a humidity level of 76%. In contrast, March presents slightly cooler temperatures, with a minimum of 5°C (41°F) and a maximum of 19°C (66°F), averaging around 13°C (56°F). Precipitation decreases to about 35 mm (1.4 in) over 4 days, with a humidity level of 74%. For more detailed information, you can check Spetses weather in March.
In December, the weather tends to be cooler, with average temperatures ranging from a minimum of 8°C (46°F) to a maximum of 20°C (68°F). This month also experiences a higher level of precipitation, with around 55 mm (2.2 in) falling over approximately 9 days, contributing to a relative humidity of 76%. In contrast, April brings milder temperatures, with a minimum of 9°C (49°F) and a maximum of 22°C (72°F), while also being drier, with only 25 mm (1.0 in) of rain over just 4 days and a slightly lower humidity at 75%. For a more detailed look at the weather patterns in April, you can check Spetses weather in April.
December weather features cooler temperatures, with a minimum of 8°C and an average of 14°C, peaking at 20°C. It's also marked by higher precipitation levels, averaging 55 mm over about 9 days, along with a humidity of 76%. In contrast, May offers a significant warm-up, with temperatures starting at a minimum of 14°C, averaging 20°C, and reaching a comfortable maximum of 26°C. Precipitation is much lower in May, totaling just 11 mm and typically occurring over only 1 day, while humidity remains slightly higher at 77%. For a detailed look at May weather specifically, you can visit Spetses weather in May.
December and June present contrasting weather conditions. In December, temperatures range from a minimum of 8°C (46°F) to a maximum of 20°C (68°F), with an average of 14°C (58°F). The month experiences significant rainfall, totaling 55 mm (2.2 in) over approximately 9 days, contributing to a relatively high humidity level of 76%. In contrast, June offers much warmer weather, with temperatures ranging from a minimum of 18°C (65°F) to a maximum of 29°C (85°F) and an average of 24°C (75°F). Rainfall is scarce during June, with only 9 mm (0.3 in) falling over just 2 days, and humidity is slightly lower at 71%. For more details about weather in June, see Spetses weather in June.
December and July present strikingly contrasting weather conditions. In December, temperatures range from a minimum of 8°C (46°F) to a maximum of 20°C (68°F), with an average of 14°C (58°F). This month sees around 55 mm (2.2 in) of precipitation over approximately 9 days, accompanied by a higher humidity level of 76%. In stark contrast, July experiences much warmer temperatures, with a minimum of 22°C (72°F) and a maximum of 33°C (92°F), resulting in an average of 27°C (80°F). Precipitation is minimal during July, with only 2 mm (0.1 in) and no rainy days, alongside a lower humidity of 68%. For more detailed information, you can check Spetses weather in July.
In December, temperatures in Spetses range from a minimum of 8°C (46°F) to a maximum of 20°C (68°F), with an average of 14°C (58°F). The month experiences considerable rainfall, with 55 mm (2.2 in) spread over about 9 days and a higher humidity level of 76%. In contrast, August boasts much warmer conditions, with temperatures ranging from a minimum of 23°C (73°F) to a maximum of 34°C (93°F) and an average of 27°C (81°F). Precipitation is minimal in August, with only 6 mm (0.2 in) recorded over just 1 day, coupled with lower humidity at 63%. For more insights into Spetses' warm summer weather, you can visit Spetses weather in August.
In December, the weather takes a significant turn compared to September, with lower temperatures ranging from a minimum of 8°C (46°F) to a maximum of 20°C (68°F), marking an average of 14°C (58°F). The month also sees increased rainfall, with about 55 mm (2.2 inches) of precipitation over 9 days, accompanied by a higher humidity level of 76%. In contrast, September enjoys much warmer conditions, with temperatures fluctuating between 18°C (64°F) and 31°C (88°F), averaging at 25°C (77°F). This month experiences considerably less rain, just 32 mm (1.2 inches) over 2 days, and a lower humidity of 65%. For more details on September's climate, visit Spetses weather in September.
When comparing the weather in December to that of October, notable differences emerge. October enjoys milder temperatures, with minimums around 16°C (60°F) and maximums reaching up to 27°C (81°F), while December experiences cooler averages, with minimums of 8°C (46°F) and a maximum of 20°C (68°F). Additionally, October sees less precipitation, averaging only 28 mm (1.1 in) over about three days, compared to December's 55 mm (2.2 in) spread across nine days. While both months have relatively high humidity levels, October is slightly lower at 72% compared to December's 76%. For more specific insights, you can check this link: Spetses weather in October.
December weather is notably cooler than November, with average temperatures dropping from 18°C (64°F) in November to 14°C (58°F) in December. The minimum temperatures also reflect this shift, moving from 11°C (53°F) in November to 8°C (46°F) in December. Both months experience similar levels of precipitation, around 55 mm, but December tends to have slightly more rainy days, with 9 days compared to November’s 8. Humidity levels are relatively close as well, with December at 76% and November at 75%. For a more detailed look at November weather, you can visit Spetses weather in November.
As December unfolds in Spetses, the weather takes on a distinctly cooler character compared to the mild temperatures of previous months. With average highs around 14°C (58°F) and lows dipping to 8°C (46°F), the month is characterized by a noticeable drop in daytime warmth. While rainfall increases with about nine days of precipitation, contributing to a humidity level of 76%, the island's charm remains unwavering. Although December may not offer the sunniest days, it provides a different but equally enchanting atmosphere for visitors and locals alike. For a more detailed understanding of what to expect throughout the year, explore the full Spetses Climate.