Last updated: February 6, 2025
December in Ios presents a mild yet invigorating climate, with average temperatures hovering around 15°C (60°F), peaking at a maximum of 20°C (68°F) and dipping to a minimum of 9°C (49°F). While the month welcomes a fair share of precipitation, totaling 82 mm (3.2 in) over 13 days, the humidity levels remain a comfortable 78%, adding a refreshing touch to the air. This balance of cool temperatures and moderate rain creates a picturesque setting, perfect for exploring the beauty of Ios during the quieter winter months.
In December, Ios, Greece, experiences a gentle transition toward winter with temperatures ranging from a mild minimum of 9°C (49°F) to an average of 15°C (60°F) and a comfortable maximum of 20°C (68°F). This month marks a notable shift from the warmer fall months, yet the island retains a pleasant charm, making it an appealing destination for travelers seeking a quieter escape. Compared to the warmer summer peaks, December's cooler temperatures invite leisurely strolls through the scenic landscapes without the hustle and bustle of the tourist crowds. As the year draws to a close, Ios balances milder breezes with a cozy atmosphere, making it a perfect time for both relaxation and exploration.
December in Ios, Greece, marks a return to wetter weather, with precipitation levels reaching 82 mm (3.2 in) over 13 days. This spike in rainfall is a notable increase compared to the preceding months, reflecting the island's seasonal transition. While November experiences 48 mm of rain and 6 days of precipitation, December's weather shifts into a more significant wet phase, closing the year with nearly 1.7 times as much rainfall. This trend heralds the arrival of winter, setting the stage for a lush landscape in the months to follow, as the island gears up for the cooler season with the highest precipitation since January.
In December, Ios, Greece experiences a humidity level of 78%, slightly higher than the preceding months, reflecting the island's generally robust moisture patterns as winter settles in. Throughout the year, humidity remains relatively consistent, peaking in May at 81% and dipping to its lowest in August at 66%. Notably, the months leading up to December maintain a steady humidity rate around the 77% mark, illustrating a climate that is predominantly humid but sees a gentle rise as the year concludes. This trend highlights the island's stable yet slightly increasing moisture levels, contributing to its lush landscapes as it transitions into the cozy winter months.
In December, Ios, Greece experiences a UV Index of 3, categorized as moderate, which means you can enjoy the festive charm of the island without excessive sun exposure concerns. This brings a pleasant shift from the high levels seen in the summer months, where the index peaked at 10 in both June and July. As winter sets in, the average burn time extends to 30 minutes, allowing visitors more time to soak in the beauty of Ios without immediate sunburn worries. With this trend, it's clear that while sunshine may be less intense in December, sun safety remains essential. For more detailed UV Index information throughout the year, visit Ios UV Index.
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As the calendar turns to December in Ios, Greece, visitors can still bask in a delightful average of 261 hours of sunshine. While the days grow shorter, this month showcases a vibrant continuation of the island's sun-soaked charm. The trend of increasing sunlight hours peaks mid-year with July's impressive 425 hours, and though December sees a slight decline, it still offers ample opportunity to enjoy the scenic beauty and mild climate. This decline from the peak of summer is characteristic of Ios, transitioning from the sun-drenched excitement of summer to the more tranquil ambiance of winter. So, while December represents a cozy retreat, it doesn't shy away from providing plenty of sunshine-filled moments amidst the picturesque landscapes and historical allure of this Aegean gem.
As the year winds down, the chances of sunny weather in Ios, Greece, during December hover around a modest 50%. This marks a notable dip from the high summer months, where sun-soaked days reign with probabilities reaching 99% in July and a perfect 100% in August. As we transition from the vibrant warmth of summer to the cooler embrace of December, the likelihood of sun begins a gradual decline, peaking earlier in the year with May at 78% and October at 74%. While December does offer a balance of sunny intervals and cooler, unpredictable weather, it's clear that tourists looking for winter sun may still find pockets of brightness amidst the seasonal changes.
As the year comes to a close in Ios, Greece, December welcomes daylight with a brief 9 hours, mirroring the light available in January. This daylight duration represents the low point of the year, sandwiched between the prolonged brightness of the spring and summer months, which boast up to 14 hours of daylight from May through July. The gradual increase from winter's 9 hours to the subtropical bliss of summer highlights a delightful transition into spring, offering a sense of anticipation for the longer days ahead. As daylight slowly begins to extend again in February and March, the rhythmic cycle of the seasons underscores Ios’s charm, where each month brings a distinct experience of light and warmth.
In December, the winds in Ios, Greece pick up, averaging a brisk 8.1 m/s (18 mph). This month, alongside March and September, is one of the windiest of the year, showcasing a noticeable rise in wind speed as winter approaches. From May's gentle breezes at 5.6 m/s (13 mph) to the sharp increase seen in later months, the trend highlights the island's unique maritime climate. As the summer heat fades, December’s invigorating winds create the perfect backdrop for those seeking a lively coastal experience. Visitors can revel in the fresh air, making it an ideal time for outdoor adventures amidst Ios's stunning landscapes.
The weather in Ios changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of December's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Ios and find detailed weather information for every month.
In December, the weather in Ios sees a minimum temperature of 9°C (49°F) and an average of 15°C (60°F), with maximum temperatures reaching up to 20°C (68°F). The month experiences approximately 82 mm (3.2 in) of precipitation over 13 days, with humidity levels around 78%. In contrast, January features a cooler minimum temperature of 4°C (39°F) and a slightly lower average of 13°C (56°F), while the maximum temperature remains the same at 20°C (68°F). This month also has a bit more precipitation at 88 mm (3.5 in) over 12 days, with humidity slightly decreased to 77%. For more detailed information about January weather, visit Ios weather in January.
In December, the weather is generally mild with an average temperature of 15°C (60°F), ranging from a minimum of 9°C (49°F) to a maximum of 20°C (68°F). This month sees considerable precipitation, totaling 82 mm (3.2 in) over 13 days, and the humidity levels are relatively high at 78%.
In contrast, February experiences slightly cooler temperatures, with an average of 14°C (57°F) and minimums that dip to 7°C (44°F), while the maximums reach 18°C (65°F). Precipitation is less frequent and totals about 57 mm (2.3 in) over just 8 days, with humidity levels a touch lower at 76%. For a detailed look at February weather, check out Ios weather in February.
In December, the weather is generally mild with temperatures ranging from a minimum of 9°C (49°F) to a maximum of 20°C (68°F) and an average of 15°C (60°F). This month experiences relatively high precipitation at 82 mm (3.2 in) over 13 days, contributing to a humidity level of 78%. In contrast, March sees slightly cooler temperatures with a minimum of 6°C (43°F) and a maximum of 18°C (65°F), averaging around 14°C (58°F). Additionally, precipitation in March is significantly lower at 42 mm (1.7 in) across 7 days, while humidity remains nearly the same at 77%. For more detailed information on March weather, you can check Ios weather in March.
In December, the weather in Ios is cooler and wetter, with average temperatures ranging from a minimum of 9°C (49°F) to a maximum of 20°C (68°F) and experiencing around 82 mm (3.2 in) of precipitation over 13 days. Humidity levels are relatively high at 78%. In contrast, April offers slightly milder temperatures, with minimums around 10°C (51°F) and maximums reaching 20°C (69°F), but much less rainfall—only 15 mm (0.6 in) over just 2 days. The humidity remains comparable at 77%. Overall, while both months feature similar high temperatures, April is significantly drier and a touch warmer than December. For more detailed insights, check out Ios weather in April.
In December, the weather is notably cooler with temperatures ranging from a minimum of 9°C (49°F) to a maximum of 20°C (68°F), alongside frequent precipitation of 82 mm (3.2 in) over approximately 13 days. The humidity is relatively high at 78%, creating a damp atmosphere. In contrast, May brings warmer temperatures, with a minimum of 15°C (60°F) and a maximum of 23°C (74°F), making it more pleasant for outdoor activities. Additionally, May experiences minimal rainfall, with only about 4 mm (0.1 in) and no rainy days, though humidity remains slightly elevated at 81%. For more detailed information on the weather in May, you can check Ios weather in May.
December and June present contrasting weather patterns on the island of Ios. In December, temperatures range from a mild 9°C (49°F) to a comfortable 20°C (68°F), with an average of 15°C (60°F). This month also sees more precipitation, with about 82 mm (3.2 in) over 13 days and humidity levels around 78%. In stark contrast, June boasts warmer temperatures, with a minimum of 18°C (64°F), an average of 22°C (73°F), and a maximum of 27°C (81°F). Notably, June enjoys significantly less rainfall, receiving just 3 mm (0.1 in) over a single day, while maintaining similar humidity levels at 77%. For more insights on June weather in Ios, check out Ios weather in June.
In December, the weather in Ios is characterized by milder temperatures, with daily averages hovering around 15°C (60°F) and a maximum of 20°C (68°F). This month also sees about 82 mm (3.2 in) of precipitation spread over 13 days, contributing to a relatively high humidity of 78%. In contrast, July offers much warmer conditions, with minimum temperatures starting at 22°C (72°F) and reaching an average of 25°C (77°F), peaking at 28°C (83°F). Remarkably, July is dry, with no recorded precipitation and lower humidity levels at 71%. For a detailed overview, you can check Ios weather in July.
December and August present contrasting weather patterns. In December, temperatures range from a minimum of 9°C (49°F) to a maximum of 20°C (68°F), with an average of 15°C (60°F). The month is relatively wet, experiencing 82 mm (3.2 in) of precipitation over 13 days, and it boasts a humidity level of 78%. In stark contrast, August features warmer temperatures, with a minimum of 22°C (72°F) and a maximum of 29°C (85°F), averaging at 25°C (77°F). Remarkably, August is almost rain-free, with just 1 mm (0.0 in) of precipitation across the month and no rainy days, along with lower humidity at 66%. For more details on August weather, you can check Ios weather in August.
In December, the weather takes a notable turn towards cooler temperatures, with a minimum of 9°C (49°F) and an average of 15°C (60°F), compared to September's milder conditions, which feature a minimum of 19°C (67°F) and an average of 23°C (74°F). While December experiences a significant amount of precipitation, totaling 82 mm (3.2 in) over 13 days, September is remarkably dry, recording only 3 mm (0.1 in) with no rainy days. Additionally, December's humidity at 78% makes the cooler air feel even chillier, whereas September's lower humidity of 70% contributes to a more comfortable warmth. For more details on September weather, you can check out Ios weather in September.
In December, the weather in Ios becomes cooler with average temperatures ranging from a minimum of 9°C (49°F) to a maximum of 20°C (68°F). In contrast, October boasts milder conditions, with temperatures averaging between 15°C (60°F) and 26°C (79°F). Additionally, December experiences significantly more precipitation, totaling 82 mm (3.2 in) over 13 days, while October has just 18 mm (0.7 in) across only 3 days. Humidity levels are quite similar, standing at 78% in December compared to 76% in October. For more details on October's weather, check out Ios weather in October.
In comparing the weather between November and December, December generally experiences cooler temperatures, with minimums around 9°C (49°F) and an average of 15°C (60°F), compared to November’s milder minimum of 12°C (55°F) and average of 18°C (65°F). December also sees increased precipitation, totaling 82 mm (3.2 in) over 13 days, while November has a significantly lighter rainfall of 48 mm (1.9 in) across just 6 days. Despite the slight increase in humidity, both months maintain relatively similar humidity levels, with December at 78% and November at 77%. For a more detailed look at November's weather, check out Ios weather in November.
December on Ios offers a gentle transition into winter, with milder temperatures compared to the heat of summer, creating a more comfortable atmosphere for exploring the island. While the days can be inconsistent, featuring occasional rainfall and increased humidity, the cooler air also invites a cozy ambiance, perfect for enjoying local cafes and scenic views. This month marks a departure from the sun-soaked summer days, giving visitors a unique chance to experience the island's quieter charm. For a comprehensive overview of what to expect, visit Ios Climate.