December Weather in Kuusamo, Finland

Last updated: August 21, 2025

Experience the chilly charm of Kuusamo, Finland in December, where winter weaves its magic. With maximum temperatures reaching a crisp 2°C (36°F) and an average chill of -7°C (20°F), the landscape transforms into a frosty wonderland. Nights can plunge to as low as -22°C (-8°F), making it essential to bundle up. The month sees 54 mm (2.1 in) of precipitation over 15 days, contributing to a serene ambiance enveloped in 100% humidity. Discover the unique beauty and tranquility of this northern destination as it embraces the winter season!

December Temperature in Kuusamo

In December, Kuusamo, Finland, embraces the deep chill of winter with minimum temperatures plunging to -22°C (-8°F). The month averages around -7°C (20°F), offering a stark contrast to the milder conditions of the preceding months. While daytime highs can reach a mere 2°C (36°F), the consistent cold invites a picturesque snowscape, perfect for winter sports and cozy retreats. As the year draws to a close, the landscape transforms into a winter wonderland, making December an enchanting time for both locals and visitors to experience the beauty of Finnish nature in its most serene and frosty form.

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

The chart illustrates December temperature patterns in Kuusamo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kuusamo, December typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec141321314054595445352720
Data source: Temperature data for Kuusamo generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Kuusamo

In December, Kuusamo, Finland, experiences a notable precipitation pattern, with an average of 54 mm (2.1 in) over 15 days of the month. This increase in moisture compared to November's 66 mm (2.6 in) suggests a steady transition into winter. Although the amount is lower than the summer months, December retains a consistent level of precipitation that is essential for maintaining the region’s snowy landscape. Observing the trends, it's evident that while precipitation peaks in the summer, December offers a serene balance between moisture and the winter chill, creating a picturesque environment as the year draws to a close.

December Precipitation Trends in Kuusamo

The chart displays monthly precipitation patterns in Kuusamo, 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. In Kuusamo, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec413642425186729975826654
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Kuusamo

In December, Kuusamo experiences a notable spike in humidity, reaching 100%, which is a dramatic increase from the lower levels seen in the summer months. Throughout the year, humidity gradually declines from 101% in January to a minimum of 79% in June, before consistently rising again as winter approaches. This trend highlights December's significance as a transition point where the air retains maximum moisture, likely contributing to the picturesque winter landscapes and increased snowfall in this Finnish town. The pattern emphasizes how Kuusamo’s climate shifts with the seasons, providing a unique charm as the year comes to a close.

December Average Humidity in Kuusamo

This chart illustrates the average monthly humidity levels in Kuusamo, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Kuusamo is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec101%99%94%88%83%79%83%88%91%96%96%100%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Kuusamo

In Kuusamo, Finland, the UV Index remains consistently low during the winter months, with December reflecting a UV Index of 1, accompanied by a burn time of 45 minutes. This trend of low UV exposure is evident from January through November, creating a stark contrast to the sunnier months of May through July, where the index peaks at 6. The gradual rise in April and May to moderate levels encourages outdoor activities, while the summer months challenge residents with higher exposure. However, as the year winds down, the UV Index drops back to low levels, ensuring that winter sun seekers can enjoy the outdoors without the immediate risk of sunburn. For more information, visit Kuusamo UV Index.

Maximum UV Index Levels in Kuusamo for December

The chart shows the monthly maximum UV Index (UVI) for Kuusamo 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. In December, the maximum UV index in Kuusamo typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec112356643211
Data source: Kuusamo 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 Kuusamo

In Kuusamo, Finland, the sunlight plays a captivating game of hide-and-seek throughout the year. As December ushers in winter, the townspeople experience a sharp decline in daylight, with only 6 hours of sunshine illuminating the short, wintry days. This contrasts dramatically with earlier months like March, which boasts a promising 251 hours, and June, basking in an impressive 459 hours. The gradual increase from the dim depths of January's mere 24 hours to the bright vibrancy of May serves as a reminder of the unyielding return of longer days. As the year transitions back to winter, the stark drop in daylight during November and December highlights the region's unique seasonal rhythm, where the long winter nights invite the beauty of the northern lights to shine in place of the sun’s warmth.

Monthly Sunshine Duration in Kuusamo: December Highlighted

The December sunshine duration represents the total number of hours Kuusamo 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.
JanFebMarAprMayJunJulAugSepOctNovDec24h117h251h335h420h459h478h349h231h100h40h6h
Data source: Kuusamo December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Kuusamo During December

In December, the likelihood of sunny weather in Kuusamo, Finland dwindles to a modest 9%, mirroring the gloomy trend observed in the preceding months of October and November, which also see low chances of sunshine at 6% and 9%, respectively. As winter sets in, the sun becomes increasingly scarce, with sunshine probabilities remaining strikingly low compared to the more optimistic percentages found in late winter and early spring months like March (35%) and April (32%). This pattern highlights how December, with its short daylight hours and frequent cloud cover, is a time when the vibrant, sunlit days of summer feel like a distant memory, inviting residents and visitors to embrace the beauty of the Finnish winter instead.

Percentage of Sunny Days in December in Kuusamo

The chart illustrates the percentage of sunny days in Kuusamo 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 Kuusamo experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec2%14%35%32%21%39%42%22%24%6%9%9%
Data source: Kuusamo December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Kuusamo in December

In Kuusamo, Finland, the daylight duration experiences a dramatic shift throughout the year, with December standing out as one of the darkest months, offering only 3 hours of daylight. As winter settles in, the days significantly shorten, continuing the trend from November's 5 hours. This sharp decline in sunlight highlights the stark contrast to the summer months, where June boasts nearly 23 hours of daylight. Following the winter solstice, daylight begins to gradually increase, signaling the approach of brighter days. The transition from the long twilight of June to the brief glimmers of December encapsulates the unique allure of northern Finland's seasonal rhythms, where each month offers its own distinct character and light.

Average Daylight Hours in Kuusamo for December

The chart illustrates the variation in daylight duration in Kuusamo throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec4h 38m8h 12m11h 48m15h 27m19h 20m23h 19m20h 44m16h 40m13h 1m9h 26m5h 47m3h 6m
Data source: Kuusamo daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Kuusamo

In December when winter firmly settles in Kuusamo, the wind carries the crisp essence of a Nordic landscape. With an average wind speed of 3.2 m/s (7 mph), December mirrors the conditions of its preceding months, maintaining a consistent breeze typical of late autumn. This stability in wind patterns contrasts with the gradual rise observed in spring, as wind speeds increased from 3.0 m/s (7 mph) in January to 3.7 m/s (8 mph) in March. The mild yet steady winds of December provide a peaceful backdrop to the snow-covered scenery, making it an enchanting time to experience the charm of the Finnish wilderness.

Average December Wind Speed in Kuusamo

The chart displays monthly wind speed patterns in Kuusamo, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.03.23.73.43.23.23.23.23.13.73.23.2 m/s
Data source: Kuusamo December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Kuusamo Compares to Other Months

Weather in Kuusamo varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Kuusamo, focusing on differences in temperature, rainfall, humidity, and UV levels.

In comparing December and January weather, January tends to be slightly colder with average temperatures dipping to -10°C (14°F) compared to December's average of -7°C (20°F). The minimum temperature in January can plummet to -28°C (-17°F), whereas December's minimum is a milder -22°C (-8°F). Precipitation is lower in January, with 41 mm (1.6 in) falling over 12 days, compared to December's 54 mm (2.1 in) over 15 days. Interestingly, humidity levels are slightly higher in January at 101%, compared to December's steady 100%. For more detailed information, visit Kuusamo weather in January.

December and February each bring their own distinct chill, but February tends to be a tad colder overall. In December, average temperatures hover around -7°C (20°F), with a maximum of 2°C (36°F), while February's average dips to -10°C (14°F), featuring a minimum of -27°C (-16°F). Precipitation in December is higher at 54 mm (2.1 in) across 15 days, compared to February's 36 mm (1.4 in) over 8 days. Both months experience high humidity, but December's is at a full 100%, just slightly above February's 99%. For more detailed insights into February weather in Kuusamo, check out Kuusamo weather in February.

December and March present notable differences in their weather conditions. In December, temperatures range from a minimum of -22°C (-8°F) to a maximum of 2°C (36°F), with an average of -7°C (20°F). The month experiences considerable precipitation, totaling 54 mm (2.1 in) over 15 days, and humidity levels remain high at 100%. In contrast, March sees slightly milder temperatures, with a minimum of -25°C (-12°F) and a maximum of 8°C (46°F), averaging -6°C (21°F). Precipitation decreases to 42 mm (1.6 in) over 10 days, and humidity drops to 94%. For more detailed insights into March weather, you can check out Kuusamo weather in March.

December and April present vastly different weather experiences. In December, temperatures can plummet to a minimum of -22°C (-8°F) and hover around an average of -7°C (20°F), with maximums only reaching 2°C (36°F). The month is characterized by high humidity at 100% and significant precipitation over 15 days, totaling 54 mm (2.1 in). In contrast, April sees a noticeable warming trend, with minimum temperatures around -15°C (6°F) and an average of -1°C (31°F), rising to a maximum of 15°C (60°F). This month has lower precipitation, averaging 42 mm (1.7 in) over just 9 days, and humidity drops to 88%. The transition from the harsh cold of winter to the milder temperatures of spring is evident, making April a time of renewal. For more detailed information, check out Kuusamo weather in April.

December and May present contrasting weather conditions that reflect the stark differences between winter and spring. In December, temperatures can plummet as low as -22°C (-8°F), with an average temperature of -7°C (20°F) and a maximum of only 2°C (36°F). The month is characterized by high humidity at 100% and consistent precipitation over 15 days, totaling 54 mm (2.1 in). In contrast, May sees much milder conditions, with a minimum temperature of -7°C (19°F), an average of 5°C (41°F), and a maximum reaching a pleasant 24°C (76°F). Precipitation is slightly lower at 51 mm (2.0 in) but occurs over just 10 days, and humidity decreases to 83%. These differences highlight the transition from the harshness of winter to the warmth of late spring, making May a much more inviting time. For more specific insights on the delightful weather in May, you can visit Kuusamo weather in May.

In December, the weather in Kuusamo is characterized by frigid temperatures, with a minimum of -22°C (-8°F) and an average of -7°C (20°F). The maximum temperature only reaches 2°C (36°F), coupled with high humidity levels at 100% and a total of 54 mm (2.1 in) of precipitation over 15 days. In contrast, June brings a much milder climate, featuring a minimum temperature of -1°C (31°F) and an average of 12°C (54°F), peaking at a comfortable 26°C (79°F). While June experiences slightly more precipitation at 86 mm (3.4 in), it occurs over just 13 days and boasts a lower humidity of 79%. For a detailed look at weather patterns during this summer month, visit Kuusamo weather in June.

December and July display stark contrasts in weather. December is characterized by frigid temperatures, with a minimum of -22°C (-8°F) and an average of -7°C (20°F), making it the coldest month with high humidity levels reaching 100%. It receives about 54 mm (2.1 in) of precipitation over 15 days, often in the form of snow. In contrast, July boasts milder conditions, featuring a minimum temperature of 4°C (40°F) and an average of 15°C (59°F), peaking at a pleasant 28°C (82°F). July also experiences a slightly higher precipitation total of 72 mm (2.8 in) over 12 days, but with significantly lower humidity at 83%. For a detailed look at the warm summer conditions, visit Kuusamo weather in July.

December and August present starkly contrasting weather conditions. In December, temperatures plunge to a chilling minimum of -22°C (-8°F), with an average of -7°C (20°F) and a maximum of just 2°C (36°F). The month experiences high humidity at 100%, along with precipitation on 15 days totaling 54 mm (2.1 in). In contrast, August boasts milder temperatures, ranging from a minimum of 2°C (36°F) to a warm maximum of 29°C (84°F), with an average of 12°C (55°F). Although the month is slightly wetter, with 99 mm (3.9 in) of precipitation over 17 days, the humidity is notably lower at 87%. For a closer look at the specifics of August weather, you can visit Kuusamo weather in August.

When comparing the weather in December to that of September, it's clear that December is significantly colder. In December, temperatures can plunge to a minimum of -22°C (-8°F), with an average around -7°C (20°F) and a maximum of only 2°C (36°F). The month sees a total precipitation of 54 mm (2.1 in) spread across 15 days, along with a humidity level reaching a frigid 100%.

In contrast, September experiences much milder temperatures, with a minimum of -4°C (26°F) and an average of 7°C (45°F), peaking at 21°C (70°F). Although it receives more precipitation at 75 mm (2.9 in) over 13 days, the humidity is lower at 91%. For more detailed information, you can visit Kuusamo weather in September. Overall, while December brings the chill of winter, September offers a transition more suited to autumn conditions.

In December, temperatures plunge significantly, with minimums reaching -22°C (-8°F) and average highs only reaching 2°C (36°F), whereas October experiences much milder conditions, with a minimum of -12°C (11°F) and daytime highs peaking at 14°C (58°F). While both months see considerable precipitation, October leads with 82 mm (3.2 in) over 16 days, compared to December's 54 mm (2.1 in) over 15 days. Additionally, humidity levels in December remain high at 100%, slightly elevated from October's 96%. For a closer look at October weather in Kuusamo, you can explore Kuusamo weather in October.

In comparing the weather between November and December, December tends to be colder, with average temperatures hovering around -7°C (20°F) compared to November's milder average of -3°C (27°F). The minimum temperatures dip lower in December, reaching -22°C (-8°F), while November's minimum is slightly higher at -20°C (-3°F). Precipitation levels are also noteworthy; December receives 54 mm (2.1 in) over 15 days, while November sees a bit more rain at 66 mm (2.6 in) across the same number of days. Humidity remains high in both months, with December achieving a full 100%, compared to November's 96%. For more details on November weather, you can visit Kuusamo weather in November.

Compare Kuusamo's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Kuusamo

December in Kuusamo is a compelling blend of icy charm and winter wonder, setting itself apart from other months with its stark temperature lows and persistent precipitation. With maximum temperatures barely reaching above freezing, the average chill deepens to create a frosty landscape that can plunge into the depths of winter, making it one of the coldest months of the year. Unlike the milder months, December's near-constant humidity and frequent precipitation introduce an enchanting layer of snow, transforming the town into a picturesque winter haven, ideal for those seeking seasonal beauty. For a deeper understanding of what to expect throughout the year, check out Kuusamo Climate.