December Weather in Kalymnos, Greece

Last updated: February 6, 2025

Kalymnos in December offers a mild and refreshing climate, making it an ideal destination for those seeking to escape the winter chill. With maximum temperatures reaching 21°C (69°F) and an average of 15°C (60°F), visitors can enjoy pleasant outdoor activities. However, be prepared for cooler evenings with minimum temperatures dropping to 9°C (48°F). This month sees approximately 179 mm (7.1 in) of rainfall over 15 days, contributing to a humidity level of 78%. Whether exploring the island's stunning landscapes or relaxing by the sea, December in Kalymnos promises a unique blend of warmth and rejuvenation.

December Temperature in Kalymnos

In December, Kalymnos, Greece experiences a gentle transition into winter, with temperatures ranging from a minimum of 9°C (48°F) to a comfortable maximum of 21°C (69°F). The average temperature hovers around 15°C (60°F), offering a mild yet refreshing atmosphere. This month showcases a notable dip compared to the autumn highs, yet remains significantly warmer than many other European destinations in the winter. As the island prepares for the quieter season, December provides a perfect backdrop for leisurely exploration, enjoying the serene landscapes, and experiencing the island's charm without the summer crowds. Embrace the cooler temperatures while soaking in the beautiful views, making it an ideal time for a tranquil getaway.

December Weather in Kalymnos: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Kalymnos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec555757616773777875706660
Data source: Temperature data for Kalymnos generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Kalymnos

In Kalymnos, Greece, December marks a notable shift as the island transitions from the dry summer months to a wetter climatic phase. With 179 mm (7.1 in) of precipitation accumulating over 15 days, December stands out as one of the wettest months of the year, dramatically contrasting with the preceding summer when rainfall is virtually non-existent. This substantial increase in precipitation, particularly after November's 87 mm (3.4 in), underscores a trend of rising moisture that hints at the impending winter season. The heavy rains contribute to the island's rejuvenation, fostering lush landscapes and replenishing the local aquifers, setting a vibrant stage for the upcoming year.

December Precipitation Trends in Kalymnos

The chart displays monthly precipitation patterns in Kalymnos, with values for each month alongside December's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec150977530440043887179
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Kalymnos

In December, Kalymnos, Greece, experiences a humidity level of 78%, reflecting a slight increase from the previous months. The humidity throughout the year tends to hover around the mid-70s to low-80s, with summer months like July and August bringing a welcome dip to 71% and 66% respectively, offering some respite from the heat. As the year comes to a close, humidity begins to rise again, aligning more closely with the wetter season witnessed in spring and fall. This pattern indicates that while December is cooler, the air remains notably moist, contributing to the island's lush and vibrant coastal environment, ideal for holiday escapes.

December Average Humidity in Kalymnos

This chart illustrates the average monthly humidity levels in Kalymnos, with December's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how December's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec77%76%77%77%81%77%72%66%70%76%77%78%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Kalymnos

As December arrives in Kalymnos, Greece, the UV Index drops to a moderate level of 3, mirroring the figures seen at the beginning of the year. With a burn time of 30 minutes, outdoor enthusiasts can relish the mild winter sun without much risk of overexposure. This gradual decline from the summer's peak UV Index of 10—which required just 15 minutes for skin protection—reflects a seasonal trend where exposure risk decreases as the year draws to a close. The transition from the very high indices of May through September to the more manageable readings in the winter months highlights the importance of adjusting sun safety measures accordingly. For more detailed information on the UV Index throughout the year, check Kalymnos UV Index.

Maximum UV Index Levels in Kalymnos for December

The chart shows the monthly maximum UV Index (UVI) for Kalymnos in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec3578101010108643
Data source: Kalymnos December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

December Sunshine in Kalymnos

In Kalymnos, Greece, the allure of December sunshine offers a gentle retreat as the year comes to a close. With 268 hours of sunlight, this month marks a drop from the sun-drenched days of summer, yet it still shines brightly compared to the darker months preceding it. As the island transitions from the peak summer months—where sunlight reaches 425 hours in July—to the cooler winter, December’s lingering light sets a serene backdrop for exploration. This gradual decline in daylight hours, following the highs of May and June, paints a picture of a cozy winter season, beckoning visitors to experience the island’s unique charm in a softer glow. Overall, while December may invite a quieter pace, it still embraces its share of warmth, making it a delightful time to soak up the last rays of the year.

Monthly Sunshine Duration in Kalymnos: December Highlighted

The December sunshine duration represents the total number of hours Kalymnos experiences direct sunlight during the month of December, excluding cloudy or obstructed periods. This chart compares the sunshine duration of December with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec214h271h334h353h403h412h425h396h350h326h277h268h
Data source: Kalymnos December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Kalymnos During December

In Kalymnos, Greece, December marks a transitional phase as the island shifts from autumn to winter. The likelihood of sunny weather drops to 44%, a notable decline compared to the preceding months, particularly the 99% chance of sun experienced in July and August. Although December's sunshine probability is modest, it still reflects a significant improvement over the duller winter months of January and November, which see sun chances at 39% and 48%, respectively. As residents and visitors brace for cooler temperatures, they can find solace in the fact that December still offers an inviting opportunity for sunny days amidst the seasonal shift.

Percentage of Sunny Days in December in Kalymnos

The chart illustrates the percentage of sunny days in Kalymnos throughout the year, with December highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Kalymnos experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec39%67%68%55%78%94%99%100%96%80%48%44%
Data source: Kalymnos December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Kalymnos in December

In Kalymnos, Greece, the daylight duration exhibits a distinct seasonal rhythm, with a gradual increase from 9 hours in January to a peak of 14 hours from May to July. As the year progresses into late summer and early autumn, the daylight gently recedes, dropping to 13 hours in August and continuing its decline to 12 hours in September and 11 hours in October. November mirrors the early months of the year, again offering 10 hours of sunlight before wrapping up the year with another 9-hour stretch in December. This pattern not only highlights the island's character but also sets the stage for diverse activities that the varying daylight invites throughout the year.

Average Daylight Hours in Kalymnos for December

The chart illustrates the variation in daylight duration in Kalymnos throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 55m10h 49m11h 58m13h 9m14h 8m14h 38m14h 22m13h 30m12h 22m11h 12m10h 10m9h 39m
Data source: Kalymnos daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Kalymnos

As December sweeps into Kalymnos, Greece, the winds pick up, offering a notable average speed of 8.4 m/s (19 mph)—aligned with the more blustery summer months. This brisk pace contrasts with the gentler breezes of late fall, where November's winds slow to 6.1 m/s (14 mph). Interestingly, the average wind speed during December showcases a return to the higher levels seen earlier in the year, only slightly below the March peak of 8.5 m/s (19 mph). Such invigorating winds are characteristic of the island's winter, creating a dynamic atmosphere perfect for outdoor enthusiasts and those seeking a refreshing escape. The resilience of these December currents hints at the island's unique climatic rhythm, balancing between the serenity of spring and the boldness of summer.

Average December Wind Speed in Kalymnos

The chart displays monthly wind speed patterns in Kalymnos, with values for each month shown alongside December's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how December's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec8.38.38.58.46.27.78.48.28.06.46.18.4 m/s
Data source: Kalymnos December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Kalymnos Compares to Other Months

The weather in Kalymnos 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 Kalymnos and find detailed weather information for every month.

In comparing the weather between December and January, we see a slight cooling trend with January experiencing lower temperatures; the minimum drops to 5°C (42°F) compared to December's 9°C (48°F). The average temperature also declines from 15°C (60°F) in December to 13°C (56°F) in January, leading to a maximum of 19°C (66°F) in January, which is cooler than December's 21°C (69°F). Precipitation decreases as well, with 150 mm (5.9 in) expected in January over 13 days, compared to 179 mm (7.1 in) across 15 days in December. Humidity remains relatively stable, slightly lower in January at 77% compared to 78% in December. For more detailed information, you can check Kalymnos weather in January.

December and February exhibit notable differences in weather patterns. In December, temperatures range from a minimum of 9°C (48°F) to a maximum of 21°C (69°F), with an average temperature of 15°C (60°F). This month also sees substantial rainfall, totaling 179 mm (7.1 in) over about 15 days, and a humidity level of 78%. In contrast, February experiences slightly cooler temperatures, with a minimum of 5°C (41°F) and a maximum of 19°C (66°F), leading to an average temperature of 14°C (57°F). Precipitation decreases significantly to 97 mm (3.8 in) across approximately 10 days, while humidity remains relatively similar at 76%. For a detailed overview of February weather, you can check Kalymnos weather in February.

December and March both offer mild temperatures, but December tends to be slightly warmer, with average highs reaching 21°C (69°F) compared to March's 18°C (65°F). The minimum temperatures in December are also more forgiving, at a minimum of 9°C (48°F), while March starts cooler with a minimum of 5°C (41°F). December experiences significantly more rainfall at 179 mm (7.1 in) over 15 days, in contrast to March, which sees only 75 mm (3.0 in) over 7 days. Humidity remains similar in both months, hovering around 78% in December and 77% in March. For a more detailed look at March weather, you can check Kalymnos weather in March.

In December, the weather is characterized by a mild average temperature of 15°C (60°F) with daily highs reaching up to 21°C (69°F). However, this month is quite wet, experiencing a significant 179 mm (7.1 in) of precipitation over 15 days, and humidity levels hover around 78%. In contrast, April brings slightly warmer conditions with an average temperature of 16°C (61°F) and similar maximums of 21°C (70°F). Nonetheless, it is much drier, with only 30 mm (1.2 in) of rainfall occurring over just 4 days, and humidity remains comparable at 77%. For more detailed weather information regarding April, check out Kalymnos weather in April.

December and May present quite contrasting weather conditions. In December, temperatures range from a minimum of 9°C (48°F) to a maximum of 21°C (69°F), with an average of 15°C (60°F). This month experiences significant rainfall, with 179 mm (7.1 in) spread over approximately 15 days, and humidity levels are relatively high at 78%. In stark contrast, May boasts warmer temperatures, starting at a minimum of 15°C (60°F) and peaking at 24°C (75°F), with a comfortable average of 19°C (67°F). Remarkably, May sees very little precipitation, only 4 mm (0.1 in), and no rainy days, while humidity hovers slightly higher at 81%. For a detailed overview of May's delightful weather, you can check Kalymnos weather in May.

When comparing December and June weather, notable contrasts emerge. December experiences cooler temperatures, with a minimum of 9°C (48°F) and an average of 15°C (60°F), while June boasts warmer conditions, starting at a minimum of 16°C (61°F) and averaging 23°C (73°F). Precipitation is significantly higher in December, with 179 mm (7.1 in) spread over 15 days, compared to June's minimal 4 mm (0.1 in) on just 1 day. Additionally, humidity levels remain relatively similar, with December at 78% and June at 77%. For more specifics on June's climate, visit Kalymnos weather in June.

When comparing December and July weather, the most striking difference is in temperature. December sees temperatures ranging from a minimum of 9°C (48°F) to a maximum of 21°C (69°F), while July enjoys much warmer weather, with temperatures peaking at 29°C (84°F) and rarely dropping below 22°C (71°F). Additionally, December is notably wetter, with 179 mm (7.1 in) of precipitation spread across 15 days and an average humidity of 78%. In contrast, July boasts a dry climate with no recorded precipitation and lower humidity levels at 71%. This stark contrast in weather makes December feel cool and damp, while July provides a warm and dry atmosphere perfect for outdoor activities. For a closer look at July conditions, you can check Kalymnos weather in July.

The weather in December contrasts sharply with that of August, showcasing a significant seasonal shift. December experiences cooler temperatures, with a minimum of 9°C (48°F) and an average of 15°C (60°F), peaking at a maximum of 21°C (69°F). This month is also characterized by frequent rainfall, averaging 179 mm (7.1 in) over 15 days, along with higher humidity levels at 78%. In stark contrast, August boasts much warmer temperatures, with a minimum of 23°C (73°F) and an average of 25°C (78°F), reaching up to 29°C (85°F). Remarkably, August sees no rainfall, maintaining a dry climate with 0 mm of precipitation and 0 rainy days, complemented by lower humidity at 66%. For more details on August weather, visit Kalymnos weather in August.

In December, the weather is noticeably cooler, with average temperatures ranging from a minimum of 9°C (48°F) to a maximum of 21°C (69°F), while September boasts warmer conditions, with averages between 19°C (66°F) and 28°C (83°F). Additionally, December experiences significantly more precipitation, totaling 179 mm (7.1 in) over 15 days, compared to September's virtually dry spell with only 4 mm (0.1 in) and zero rainy days. The humidity in December is higher at 78%, compared to September's more comfortable 70%. For a closer look at September weather specifics, visit Kalymnos weather in September.

In December, the weather in Kalymnos is noticeably cooler, with temperatures ranging from a minimum of 9°C (48°F) to a maximum of 21°C (69°F), while October sees warmer temperatures, with a minimum of 15°C (59°F) and a maximum of 25°C (77°F). Additionally, December experiences significantly more rainfall, with 179 mm (7.1 in) of precipitation spread over 15 days, compared to October's lighter 38 mm (1.5 in) of rain over just 4 days. Humidity is slightly higher in December at 78%, compared to the still humid 76% in October. For more details, visit Kalymnos weather in October.

When comparing the weather in December and November, December tends to be cooler with average temperatures ranging from a minimum of 9°C (48°F) to a maximum of 21°C (69°F), while November offers slightly warmer conditions, with temperatures ranging from a minimum of 12°C (53°F) to a maximum of 23°C (74°F). Additionally, December experiences significantly more rainfall, with 179 mm (7.1 in) over 15 days compared to November's 87 mm (3.4 in) across 8 days. Humidity levels are quite similar, with December at 78% and November at 77%. For more detailed insights into November's climate, visit Kalymnos weather in November.

Compare Kalymnos's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Kalymnos

In December, Kalymnos transforms into a tranquil haven, as temperatures cool down compared to the warmer months, offering a refreshing break with average highs around 15°C. This month also ushers in increased precipitation, with rain gracing approximately half the days, contributing to a more humid climate at around 78%. While the island tends to be a bit wetter and cooler, it makes for a unique experience that showcases the rugged beauty of the landscape, perfect for those seeking a peaceful retreat. For a detailed overview of seasonal changes, visit Kalymnos Climate.