Last updated: August 21, 2025
In Kolari, Finland, December unveils a polar landscape, with temperatures ranging from a brisk maximum of 3°C (38°F) to a chilling minimum of -29°C (-20°F). The average temperature hovers around -8°C (17°F), creating a crisp and frosty atmosphere. This month also brings 56 mm (2.2 in) of precipitation over 14 days, contributing to the enchanting wintry scenery. With humidity levels soaring at 101%, the air is thick with the essence of the season, making December a truly captivating time to experience the arctic charm of Kolari.
In December, Kolari, Finland, experiences a notable chill as winter settles in, with temperatures dipping dramatically. The month begins with minimum temperatures plummeting to around -29°C (-20°F), while daytime averages hover around a brisk -8°C (17°F), allowing for a captivating winter landscape. Skies may brighten with a few sunny days, but the maximum temperatures only reach about 3°C (38°F), signaling a stark contrast to the warmer months preceding it. As the year closes, Kolari showcases a quintessential Arctic scene, where the frigid air and soft snowfall create a serene atmosphere, making it a perfect time for winter activities and a glimpse into the beauty of the Finnish wilderness.
December in Kolari, Finland, typically sees 56 mm (2.2 in) of precipitation, spread over approximately 14 days. As winter sets in, the precipitation levels represent a slight decrease from the preceding months, yet they still contribute to the region's snow-covered landscapes. This consistent moisture in December echoes a broader trend of increasing rainfall during the summer months, peaking in August and October. The relatively high number of precipitation days highlights the persistent winter conditions, offering a stark contrast to the drier spells earlier in the year. As the year closes, Kolari's weather not only embraces the festive spirit of winter but also maintains a rhythm of reliable precipitation that sustains its beautiful, snowy terrain.
In Kolari, Finland, December marks a notable peak in humidity, reaching an impressive 101%. This surge can be seen as a continuation of the steady rise in moisture levels throughout the colder months. Starting from October's 96%, humidity levels have gradually increased, reflecting the transition into winter. In fact, this winter trend is consistent, with November also recording high humidity at 98%. The seasonal shift from the drier spring months of April (86%) and May (82%) to the more humid winter demonstrates how Kolari's climate is intricately linked to its northerly position, producing a landscape where moisture is ever-present, especially as the year draws to a close.
In December, Kolari, Finland experiences a low UV Index of 1, consistent with the winter months where the sun's rays are less intense. This trend continues from earlier months, with January and November also recording a UV Index of 1, indicating minimal risk of harm from the sun. As daylight hours shorten and snow blankets the landscape, residents can enjoy the outdoors safely, with a burn time of about 45 minutes. It's a reminder that despite the cold winter chill, UV exposure is still a factor to consider. For a detailed look at UV levels throughout the year, visit Kolari UV Index.
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In Kolari, Finland, the month of December stands out starkly with a mere 2 hours of sunshine, marking a poignant contrast to the sunlight-rich spring and summer months. Beginning with a sparse 23 hours in January, the region gradually awakens with 135 hours by February, and further surges into vibrant 278 hours in March. As the days lengthen, the sun bathes Kolari in up to 479 hours of radiant daylight during the peak of summer in June and July. However, this golden streak of sunlight begins to wane sharply, tapering off to 110 hours in October and even more dramatically to 62 hours in November. The return of December signals the onset of long, dark nights, where the fleeting 2 hours of daylight serves as a reminder of the stark beauty of the Arctic winter. This cyclical dance of light illustrates the unique and striking transition that defines Kolari’s seasonal landscape.
In December, Kolari, Finland, sees a modest 17% chance of sunny weather, reflecting a broader trend of reduced sunlight as winter deepens. While the preceding months hint at a gradual increase in sunshine, December experiences a notable dip, akin to October's mere 8%. Following November's 22% likelihood, it's evident that as the year wanes, sunlight becomes a rare treasure. Compared to the brighter spring months, such as April and May, where chances soar above 30%, December's overcast skies remind us of the cozy charm that winter brings, albeit with less sunlight than many might hope for. With snow-covered landscapes and less brightness, this time invites both tranquility and a touch of nostalgia for the sunlit days ahead.
In Kolari, Finland, December brings about 9 hours of daylight, a notable increase from the preceding month of November, which offers just 5 hours. This gradual return of light hints at the changing seasons, as daylight duration increases steadily from the winter solstice towards spring. The trend establishes a rhythmic pattern where daylight stretches significantly during the spring and summer months, peaking at a remarkable 24 hours in June. Conversely, the darker months of late fall and early winter see the least light, with December being a transitional period that bridges the dimness of winter with the longer days ahead. As the year progresses towards March, the lengthening daylight offers a gentle promise of the vibrant spring days to come.
In December, Kolari, Finland experiences an average wind speed of 3.0 m/s (7 mph), which is consistent with the moderate breezes characteristic of late autumn transitioning into winter. As the year progresses, it’s evident that the wind speeds in Kolari show a slight upward trend, peaking in March at 3.6 m/s (8 mph), before gradually tapering down again toward the end of the year. Notably, the wind calmed in November, dropping to its lowest average of 2.7 m/s (6 mph). As December arrives, the winds pick up again, providing a refreshing chill that complements the region's snowy landscapes, making the month a unique blend of cool winds and winter charm.
Weather in Kolari varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Kolari, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, temperatures range from a chilly minimum of -29°C (-20°F) to a mild maximum of 3°C (38°F), with an average of -8°C (17°F). The month sees about 56 mm (2.2 in) of precipitation spread over 14 days, accompanied by high humidity levels of 101%. In contrast, January experiences even colder conditions, with minimum temperatures plunging to -34°C (-29°F) and an average of -11°C (12°F). Although the maximum temperature creeps up to 5°C (41°F), the month has less precipitation at 36 mm (1.4 in) over just 10 days, while maintaining the same high humidity of 101%. For a more detailed view of January weather, visit Kolari weather in January.
In comparing December and February weather, December tends to be slightly milder, with average temperatures ranging from a minimum of -29°C (-20°F) to a maximum of 3°C (38°F), while February experiences even colder conditions, peaking at -32°C (-25°F) and reaching a maximum of 7°C (45°F). Precipitation is more frequent in December, with rain or snow falling on approximately 14 days and totaling 56 mm (2.2 in), compared to just 33 mm (1.3 in) across 8 days in February. Humidity remains high in both months, hovering at 101% in December and slightly lower at 99% in February. For more details on the weather conditions in February, you can visit Kolari weather in February.
In December, the weather is characterized by frigid temperatures, with a minimum of -29°C (-20°F) and an average temperature of -8°C (17°F), making it one of the coldest months of the year. This cold is accompanied by 56 mm (2.2 in) of precipitation over 14 days, despite the humidity soaring to an extreme 101%. In contrast, March sees a slight reprieve from the bitter cold, with minimum temperatures around -27°C (-17°F) and an average of -6°C (22°F). The maximum temperature can reach as high as 9°C (48°F), and precipitation drops to 37 mm (1.5 in) over 10 days, while humidity remains lower at 92%. For more details on March weather, visit Kolari weather in March.
December and April present stark contrasts in weather conditions. December typically sees frigid temperatures, with averages around -8°C (17°F) and nighttime lows plummeting to -29°C (-20°F). In contrast, April brings a notable temperature increase, averaging 0°C (32°F) and reaching highs of 21°C (71°F). Precipitation is also more frequent in December, with 56 mm falling over 14 days, compared to April's 33 mm over just 8 days. Humidity levels remain high in both months, but December's extreme chill drives the humidity to 101%, while April's warmth sees it at a slightly lower 86%. For more detailed insights, check out Kolari weather in April.
December and May showcase stark contrasts in weather. In December, temperatures can plunge to a chilling low of -29°C (-20°F) and average around -8°C (17°F), with a maximum of just 3°C (38°F). The month experiences considerable precipitation, totaling 56 mm (2.2 in) over 14 days, contributing to a damp 101% humidity level. In contrast, May brings milder conditions with minimum temperatures around -8°C (18°F) and an average of 6°C (44°F), peaking at a pleasant 26°C (78°F). Precipitation is slightly lower at 49 mm (1.9 in) over 10 days, and humidity sits at a more comfortable 82%. For those interested in more details, visit Kolari weather in May.
December and June present a stark contrast in weather conditions. In December, temperatures plummet, with averages around -8°C (17°F) and minimums dipping as low as -29°C (-20°F), creating a bitterly cold environment. The month sees 56 mm (2.2 in) of precipitation over 14 days, contributing to a high humidity level of 101%. In contrast, June experiences a milder climate, with average temperatures of 13°C (56°F). Minimums are at 0°C (32°F) while maximums can reach up to 28°C (83°F). Although June has slightly more precipitation at 74 mm (2.9 in), it occurs over just 11 days, coupled with a more manageable humidity level of 78%. For more detailed information, you can check the Kolari weather in June.
December and July present stark contrasts in weather. In December, temperatures plunge to a minimum of -29°C (-20°F) and typically hover around an average of -8°C (17°F), occasionally reaching a maximum of 3°C (38°F). This wintry month experiences about 56 mm (2.2 in) of precipitation over 14 days and exhibits an exceptionally high humidity level of 101%. In contrast, July brings a much milder climate, with minimum temperatures around 1°C (35°F), an average of 16°C (61°F), and maximums soaring to 31°C (89°F). Rainfall increases slightly to 81 mm (3.2 in) over 10 days, but the humidity is lower at 83%. For more on the weather during this summer month, check out Kolari weather in July.
December and August exhibit striking contrasts in weather patterns, reflecting the extremes of seasonal change. In December, temperatures plummet to a minimum of -29°C (-20°F) with an average around -8°C (17°F), peaking at a mere 3°C (38°F). The month is characterized by increased precipitation, totaling 56 mm (2.2 in) over 14 days and an unusually high humidity level of 101%. Conversely, August features a much milder climate, with temperatures ranging from a low of -1°C (31°F) to a high of 30°C (87°F) and an average of 13°C (55°F). While August experiences a higher total precipitation of 92 mm (3.6 in) over about 15 days, the humidity is relatively lower at 87%. For more insights into the weather specifics for Kolari, you may refer to Kolari weather in August.
December weather in Kolari is characterized by frigid temperatures, with a minimum of -29°C (-20°F) and an average of -8°C (17°F), rarely rising above 3°C (38°F). In stark contrast, September enjoys milder conditions, with temperatures ranging from a minimum of -8°C (18°F) to a maximum of 21°C (71°F) and an average of 7°C (46°F). Both months see considerable precipitation, but December experiences more days of wet weather (14 days) compared to September's 11 days. Despite the snowfall in December, September has a slightly higher total precipitation of 67 mm (2.6 in) compared to December's 56 mm (2.2 in) while exhibiting higher humidity levels at 91% versus December's 101%. For more specific details about September weather, you can check Kolari weather in September.
In comparing the weather of December and October, one can observe significant differences in temperature and precipitation patterns. December experiences colder conditions with minimum temperatures dropping to -29°C (-20°F) and an average of -8°C (17°F), while October is milder, with average temperatures around 1°C (34°F) and maximums reaching 13°C (55°F). Precipitation is also noteworthy; October sees higher rainfall at 91 mm (3.6 in) over 15 days, compared to December's 56 mm (2.2 in) across 14 days. Humidity levels remain high in both months, with December at 101% and October at 96%. For a more detailed look at October's weather, visit Kolari weather in October.
In December, the weather takes a harsher turn compared to November, with lower minimum temperatures reaching -29°C (-20°F) and an average temperature of -8°C (17°F), versus November's milder minimum of -23°C (-8°F) and an average of -5°C (24°F). While both months experience similar levels of precipitation, December has slightly less at 56 mm (2.2 in) over 14 days, compared to November's 59 mm (2.3 in) over 13 days. Humidity remains high in both months, with December at 101% and November at 98%. For a closer look at November's weather, see Kolari weather in November.
As December rolls into Kolari, the weather shifts dramatically, embracing the deep chill of winter. This month is characterized by significantly lower temperatures compared to the preceding months, with a biting average of -8°C that can plummet to minimums around -29°C. With more frequent precipitation, totaling 56 mm over 14 days, December sets a rather wet scene, often blanketing the landscape in snow. The high humidity levels contribute to the frosty atmosphere, enhancing the winter wonderland effect that typically draws visitors. Discover more about the unique Kolari Climate to truly understand this enchanting season!