Last updated: August 21, 2025
December in Savonlinna, Finland, offers a chilly yet captivating winter experience. With average temperatures hovering around -4°C (26°F), the city sees a maximum of 4°C (40°F) and occasional dips to a brisk -22°C (-7°F). This month is particularly wet, boasting 70 mm (2.8 inches) of precipitation spread over 15 days, contributing to the city’s enchanting wintry landscape. High humidity levels at 95% compound the chill, creating a crisp, invigorating atmosphere perfect for embracing the beauty of Finnish winter.
In December, Savonlinna, Finland, fully embraces the winter chill, with temperatures reaching a minimum of -22°C (-7°F) and an average hovering around -4°C (26°F). The city experiences its typical cold snap, as temperatures occasionally peak at 4°C (40°F). This marks a notable drop compared to the milder temperatures of the preceding months, making December the beginning of a deep winter phase. The transition from November's slightly warmer 1°C (34°F) average to December's frost sets the stage for a picturesque, snow-covered landscape, inviting winter enthusiasts to enjoy a myriad of outdoor activities amidst the serene beauty of winter in Finland.
In December, Savonlinna, Finland, experiences a noticeable uptick in precipitation, with an average of 70 mm (2.8 in) spread across approximately 15 days. This marks a significant shift as the year closes, reflecting a trend of increasing moisture compared to the preceding months. November’s total of 51 mm (2.0 in) and only 13 days of precipitation sets the stage for December’s wetter landscape, which mirrors the generally rising pattern of rainfall observed during the latter half of the year. Notably, July and August lead the charts with the highest amounts, but December effectively captures the essence of winter, as the city prepares for snow and shorter days. As the temperatures drop, this precipitation contributes to the enchanting frosty scenery that characterizes Savonlinna during the holiday season.
As December settles in Savonlinna, Finland, the humidity begins to rise slightly, averaging 95%. This figure indicates a trend of elevated moisture as winter approaches, consistent with the cold months of January and February, which boast humidity levels of 98% and 96% respectively. The transition from autumn to winter shows a gradual increase in humidity, beginning with 90% in September and maintaining a high level through the fall months of October and November. Interestingly, this December value is a slight uptick from November's 93%, hinting at the natural onset of winter's chill, where humidity tends to linger, leading to the crisp, cold atmosphere characteristic of Savonlinna's winter landscape.
In Savonlinna, Finland, the UV Index in December remains at a low level of 1, similar to the earlier months of January, February, and November. This consistent rating indicates that residents can enjoy outdoor activities without the need for extensive sun protection, as the recommended burn time is a generous 45 minutes. As the year progresses into the spring and summer months, the UV Index peaks during June and July, reaching up to 7. However, as winter approaches, the protective cold weather layers can keep you shielded from UV rays, allowing for safe outdoor experiences. For detailed monthly insights and updates, visit Savonlinna UV Index.
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In Savonlinna, Finland, the sunshine hours create a captivating seasonal rhythm, with December emerging as a stark contrast to the brighter months. At just 24 hours of sunlight, December's fiendishly limited daylight stands out against the spring surge, where hours dramatically climb to 355 by April. The year’s trajectory begins slowly with a mere 34 hours in January, but as winter recedes, the sunshine blossoms through vibrant spring and summer, peaking in June with an impressive 490 hours. The transition into fall brings a gentle decline, ultimately leading back to the short days of winter. This cyclical pattern not only highlights Savonlinna's beautiful seasonal changes but also serves as a reminder of winter's cozy embrace, inviting residents to appreciate the delicate balance between dark and light.
In Savonlinna, Finland, the chance of sunny weather in December is notably low, sitting at just 9%. This trend of scarce sunshine becomes more pronounced as the year wraps up, with December's figures trailing closely behind November's 8% and far below the sunnier months of summer, which boast probabilities exceeding 50% in July and June. As winter approaches, the likelihood of enjoying a bright, sunny day diminishes significantly, highlighting a stark contrast to the more vibrant spring and summer seasons. Thus, those dreaming of a sunny December may want to temper their expectations, as the long, dark days dominate this time of year.
In Savonlinna, Finland, the daylight duration experiences a dramatic shift throughout the year, reflecting the region's unique seasonal rhythm. As winter drapes its cloak in December, residents find themselves with just 5 hours of daylight—the shortest span of the year. This stark contrast is part of a gradual decline that begins in October, where daylight diminishes to 9 hours, before reaching its nadir in December. Conversely, as the year progresses towards summer, daylight hours blossom remarkably, peaking in June with an impressive 19 hours of sunlight. This cyclical pattern underscores how the long summer days give way to the deep, dark winters, creating a captivating interplay between light and shadow in this northern retreat.
In Savonlinna, Finland, December heralds the arrival of brisk winds, with an average speed of 3.8 m/s (8 mph). This figure reveals a slight uptick compared to the calmer summer months of July and August, where winds dipped to around 3.0-3.8 m/s, but it remains lower than the gustier autumn months of October and November. Interestingly, December's winds reflect a consistent pattern as the year closes, sitting comfortably between the more energetic offerings of early autumn and the lighter breezes of late spring. As the cold sets in, the wind adds a refreshing vigor to the already enchanting winter landscape, setting the stage for a beautifully serene holiday season.
Weather in Savonlinna varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Savonlinna, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, the weather is characterized by relatively mild averages, with temperatures ranging from a minimum of -22°C (-7°F) to a maximum of 4°C (40°F). The month experiences around 70 mm (2.8 in) of precipitation over approximately 15 days, coupled with high humidity at 95%. In contrast, January tends to be colder, with minimum temperatures dropping to -27°C (-16°F) and maximums reaching 6°C (43°F). The precipitation level decreases to 46 mm (1.8 in) over 12 days, but the humidity rises slightly to 98%. This shift in weather signifies a transition to more frigid conditions as winter deepens. For more detailed insights into January's weather, visit Savonlinna weather in January.
December and February both feature cold temperatures, but February tends to be slightly colder overall. In December, temperatures range from a minimum of -22°C (-7°F) to a maximum of 4°C (40°F), with an average of -4°C (26°F), while February sees an even lower minimum of -26°C (-15°F) and an average temperature of -6°C (21°F). Precipitation is more frequent in December, occurring on 15 days and totaling 70 mm (2.8 in), compared to February's 11 days and 47 mm (1.8 in). Humidity remains high during both months, slightly higher in February at 96% compared to December's 95%. For more detailed insights on February weather, check out Savonlinna weather in February.
In December, the weather is characterized by a frigid cold, with temperatures ranging from a minimum of -22°C (-7°F) to a maximum of 4°C (40°F). The month experiences considerable precipitation, averaging 70 mm (2.8 in) over 15 days, coupled with high humidity levels of 95%. In contrast, March sees a slightly milder climate, with temperatures varying from a minimum of -24°C (-10°F) to a maximum of 9°C (49°F). Although March has less precipitation at 45 mm (1.8 in) over 12 days and slightly lower humidity at 93%, the overall warmth in comparison to December marks a significant shift towards the onset of spring. For more specific details, check out Savonlinna weather in March.
In December, the weather is considerably colder, with temperatures ranging from a minimum of -22°C (-7°F) to a maximum of only 4°C (40°F), and an average temperature of -4°C (26°F). The month experiences high humidity at 95% and significant precipitation over 15 days, totaling 70 mm (2.8 in). In contrast, April sees a marked warming, with minimum temperatures around -11°C (12°F) and maximums reaching up to 19°C (66°F), resulting in a more moderate average of 2°C (36°F). Additionally, April has less precipitation, about 43 mm (1.7 in) over 11 days, and a slightly lower humidity level at 88%. For more details on the shifting weather patterns, you can check Savonlinna weather in April.
December and May present starkly contrasting weather conditions. In December, temperatures can plummet to a chilling minimum of -22°C (-7°F), with an average hovering around -4°C (26°F) and only peaking at a maximum of 4°C (40°F). The month is characterized by high humidity at 95% and significant precipitation over 15 days, totaling 70 mm (2.8 inches). In contrast, May ushers in a much milder climate, with minimums around -4°C (25°F) and an average that rises to 10°C (50°F). The maximum temperature can reach a pleasant 27°C (80°F), while precipitation decreases to 54 mm (2.1 inches) over just 10 days and humidity drops to a more comfortable 77%. For more details on the weather in May, you can refer to Savonlinna weather in May.
December and June present two starkly contrasting weather patterns. In December, temperatures plunge to a minimum of -22°C (-7°F), with an average of -4°C (26°F) and a maximum reaching only 4°C (40°F). This month is characterized by high humidity at 95% and frequent precipitation, occurring on about 15 days, totaling 70 mm (2.8 in). In contrast, June welcomes warmer temperatures, starting at a minimum of 2°C (36°F), averaging 16°C (61°F), and peaking at a comfortable 31°C (89°F). With less humidity at 75% and lower precipitation on about 11 days—amounting to 60 mm (2.3 in)—June offers a pleasant escape from December's chill. For a closer look at the delightful June conditions, check out Savonlinna weather in June.
December and July present stark contrasts in weather conditions. In December, temperatures can plummet to a chilling minimum of -22°C (-7°F), with an average temperature of -4°C (26°F) and occasional highs reaching 4°C (40°F). The month is characterized by high humidity at 95% and frequent precipitation, occurring on about 15 days, totaling approximately 70 mm (2.8 in). In contrast, July boasts a much milder climate, with temperatures ranging from a minimum of 8°C (46°F) to an average of 18°C (64°F) and maximums that can soar to 31°C (88°F). Although rainfall is similar in volume at 73 mm (2.9 in), it occurs over slightly fewer days, around 13. Overall, December offers a wintry experience, while July brings warmth and summer vibes. For more details, check Savonlinna weather in July.
When comparing the weather in December and August, striking differences emerge. December brings much colder temperatures, with a minimum of -22°C (-7°F) and an average of -4°C (26°F), while August enjoys milder conditions ranging from a minimum of 8°C (46°F) to a maximum of 28°C (83°F). Precipitation is slightly higher in August at 88 mm (3.5 in) compared to December’s 70 mm (2.8 in), although both months experience precipitation over 15 days. Additionally, December's high humidity level of 95% contrasts with August's 84%, making the winter month feel much chillier despite similar rainfall days. For more details, you can check Savonlinna weather in August.
December and September exhibit stark differences in weather patterns. December is characterized by frigid temperatures, with a minimum of -22°C (-7°F) and an average of -4°C (26°F), while September enjoys milder conditions, featuring a minimum of 0°C (32°F) and a comfortable average of 11°C (51°F). Precipitation levels are somewhat similar, with December receiving 70 mm (2.8 in) over 15 days and September slightly higher at 74 mm (2.9 in) over 13 days. Additionally, December brings a high humidity level of 95%, compared to September's 90%, contributing to the winter chill versus the early autumn freshness. For those interested in more detailed September weather, visit Savonlinna weather in September.
December's weather is marked by significantly colder temperatures, with a minimum of -22°C (-7°F) and an average of -4°C (26°F), while October enjoys milder conditions with a minimum of -5°C (23°F) and an average of 6°C (42°F). The maximum temperature in December reaches only 4°C (40°F), contrasting sharply with October's highs of 17°C (63°F). Precipitation levels are quite similar, with December receiving 70 mm (2.8 in) over 15 days, compared to October's 73 mm (2.9 in) over 13 days. Humidity is slightly higher in December at 95%, compared to October's 93%. For more specific insights into October's climate, you can view Savonlinna weather in October.
In December, temperatures drop significantly compared to November, with minimums reaching a chilling -22°C (-7°F) and averages hovering around -4°C (26°F). In contrast, November offers a milder climate with minimums of -12°C (10°F) and an average temperature of 1°C (34°F). Precipitation is also more frequent in December, occurring on 15 days and totaling 70 mm (2.8 in), whereas November sees slightly less at 51 mm (2.0 in) over 13 days. Humidity levels remain high in both months, but December edges out with 95%, compared to November's 93%. For further insights on November weather, visit Savonlinna weather in November.
As December sets in, Savonlinna transforms into a winter wonderland with its unique chill and atmospheric beauty. The sharp contrast in temperatures compared to the milder months is striking, with frigid lows dipping significantly. While the skies weep with an average of 15 days of precipitation, the humidity soars to an impressive 95%, contributing to the frosty landscape. This combination of cold and moisture makes December one of the most distinct months in Savonlinna, inviting those who embrace winter's chill. To delve deeper into the seasonal variations, explore Savonlinna Climate.