Last updated: August 21, 2025
December in Kalajoki, Finland offers a chilly embrace, with temperatures ranging from a brisk maximum of 5°C (42°F) to a frosty minimum of -22°C (-8°F), resulting in an average of -3°C (27°F). This month sees 12 days of precipitation, accumulating around 48 mm (1.9 in), contributing to the wintry landscape. With humidity levels soaring at 98%, the air feels crisp and refreshing, making it a true winter wonderland. Prepare for the beauty and challenges of a northern Finnish December!
In December, Kalajoki, Finland, plunges into the heart of winter, with temperatures reflecting the season's chill. The minimum temperature dips to a biting -22°C (-8°F), while the average hovers around -3°C (27°F), providing a stark reminder of the cold climate. While daytime highs reach a modest 5°C (42°F), the overall trend shows a consistent drop from the milder conditions of late autumn, with nights becoming increasingly frigid. This shift sets the stage for a picturesque, snow-covered landscape, perfect for winter activities and a cozy festive atmosphere. As December closes the year, locals and visitors alike embrace the serene beauty of Kalajoki under its wintery embrace.
In December, Kalajoki experiences a moderate precipitation total of 48 mm (1.9 in), marking a slight decline from the wetter months that typically precede it. With about 12 days of precipitation, the month features a consistent mix of rain and snow, common in Nordic winter weather. This trend represents a gradual tapering compared to the earlier heavy downpours of August and October, where totals reached as high as 87 mm and 81 mm, respectively. As the year closes, December's climate showcases a balanced shift toward the colder, snowier aspects of winter, allowing for a refreshing yet chilly transition into the new year.
In December, Kalajoki, Finland, experiences a notable jump in humidity, reaching an impressive 98%. This peak is in line with the trend of high humidity levels seen throughout the winter months, with January following closely at 99%. As the year progresses, humidity levels gradually decline from the spring months—peaking at 86% in April and dipping to their lowest in June at 76%. However, as autumn arrives, humidity begins to trend upwards again, culminating in December's near-maximum levels. Overall, the seemingly cyclical nature of Kalajoki's humidity not only highlights the region's winter chill but also serves as a reminder of its atmospheric richness as the year wraps up.
In December, the UV Index in Kalajoki, Finland remains comfortably low at 1, continuing the trend set during the earlier winter months. With a burn time of 45 minutes, residents and visitors can enjoy outdoor activities without much concern for sun exposure. As the year winds down, the UV levels are notably reduced after peaking in the summer months of June and July, where values reached a higher range of 6. This seasonal shift underscores the importance of monitoring UV exposure year-round. For more detailed information on the monthly variations, visit Kalajoki UV Index.
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In Kalajoki, Finland, the winter months bring a fascinating contrast to the vibrant summer, as highlighted by December's mere 27 hours of sunshine. This sharp decline follows the year's highpoint in June, where residents bask in a generous 515 hours of sunlight. As the calendar flips from autumn to winter, one can observe the gradual decrease in daylight, plummeting from 291 hours of sunshine in September to December's scant offering. This trend emphasizes the essence of seasonal rhythm in Kalajoki, where darkness envelops the landscape just as winter settles in, paving the way for the bright rebirth of spring's 275 hours of sunshine in March. Thus, December serves as a gentle recline into the restfulness of winter, reminding us of the stark yet beautiful transformation of light across the seasons.
In Kalajoki, Finland, December generally brings a cloudy, overcast atmosphere, with only a 17% chance of sunny weather. This marks a significant drop compared to the more vibrant spring months like April, which enjoys a 47% likelihood of sunshine. As winter approaches, the likelihood of sunlight continues to decline, with January experiencing the lowest chance at a mere 7%. Interestingly, the shift from autumn to winter sees a slight uptick in sunless days, with November holding only a 20% chance for clear skies. Overall, December exemplifies the trend of diminishing sunshine as the year closes out, setting the stage for the darker months ahead.
In Kalajoki, Finland, daylight duration undergoes a dramatic transformation throughout the year, peaking in the vibrant summers and dipping significantly during the winter months. As December arrives, the town experiences a stark reduction in daylight, with only 4 hours to bask in the sun's glow. This trend reflects a gradual descent from the 18 hours of daylight in May to the meager 5 hours in January, revealing a rhythmic cycle where each season offers a unique interplay of light. Interestingly, the diminishing daylight in December not only marks the onset of winter's chill, but it also sets the stage for the gradual climb towards longer days as spring approaches, highlighting nature’s timeless ebb and flow.
In December, the average wind speed in Kalajoki, Finland, gently rises to 3.8 m/s (8 mph), signaling a shift as winter takes hold. This month marks a slight increase from November's 3.6 m/s, continuing a trend of variable wind patterns throughout the year. As the seasons transition, the winds start to pick up slightly, moving from the calm summer months that linger around 3.0 to 3.4 m/s. By October, we see a notable spike at 4.4 m/s, suggesting that winter winds begin to establish their presence. December’s winds are not only a reminder of the cold but also a prelude to the more robust winds of the coming months. In this tranquil yet brisk atmosphere, Kalajoki embraces the beauty of winter, wrapped in the embrace of cool, refreshing breezes.
Weather in Kalajoki varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Kalajoki, focusing on differences in temperature, rainfall, humidity, and UV levels.
December and January both feature harsh winter conditions, but January tends to be colder overall. In December, temperatures range from a minimum of -22°C (-8°F) to a maximum of 5°C (42°F), with an average temperature of -3°C (27°F). The month experiences 48 mm (1.9 in) of precipitation over 12 days and maintains a high humidity level of 98%. In contrast, January sees even colder temperatures, with a minimum of -28°C (-18°F) and an average of -5°C (22°F). Although maximum temperatures rise slightly to 6°C (44°F), January has less precipitation at 36 mm (1.4 in) spread across 9 days and a slightly higher humidity of 99%. For more detailed information, you can visit Kalajoki weather in January.
December and February weather patterns exhibit notable differences in temperature and precipitation. December typically sees milder temperatures, with an average of -3°C (27°F) and a maximum of 5°C (42°F), while February is colder, featuring an average of -7°C (20°F) and a minimum of -27°C (-16°F). Precipitation is slightly higher in December, with 48 mm (1.9 in) occurring over 12 days, compared to 39 mm (1.5 in) over 8 days in February. Humidity levels remain relatively consistent, with December at 98% and February at 97%. For more details on February weather, visit Kalajoki weather in February.
In December, temperatures can dip as low as -22°C (-8°F), with an average of -3°C (27°F) and a maximum of 5°C (42°F). The month experiences around 48 mm (1.9 in) of precipitation over 12 days, paired with high humidity levels of 98%. In contrast, March can be even colder at night with a minimum of -28°C (-19°F), while still holding an average of -3°C (27°F) and a slightly warmer maximum of 10°C (50°F). Precipitation decreases to 37 mm (1.5 in) over 10 days, and humidity is lower at 93%. For a more detailed look at March weather, check out Kalajoki weather in March.
The weather in December is characterized by its harsh cold, with temperatures plummeting to a minimum of -22°C (-8°F) and averaging around -3°C (27°F). In contrast, April brings a significant shift as temperatures rise, reaching a minimum of -13°C (9°F) and averaging 2°C (36°F), with a maximum of 20°C (68°F). December also sees more precipitation over a longer duration, totaling 48 mm (1.9 in) across 12 days, compared to April, which records 39 mm (1.5 in) over just 7 days. Additionally, December's humidity is notably high at 98%, whereas April's humidity is lower at 86%. For a detailed look at the conditions in April, you can check out this link: Kalajoki weather in April.
December and May present strikingly different weather conditions. In December, temperatures can plunge as low as -22°C (-8°F), with an average of -3°C (27°F) and a maximum of 5°C (42°F). The month is characterized by high humidity at 98% and relatively consistent precipitation over 12 days, totaling 48 mm (1.9 in).
In contrast, May brings a notable warming trend, with temperatures ranging from a minimum of -5°C (24°F) to a comfortable average of 8°C (47°F) and a maximum reaching up to 27°C (80°F). While May experiences slightly higher precipitation—55 mm (2.2 in)—it falls over fewer days, just 8. The humidity decreases to 80%, contributing to a fresher feel compared to the dampness of December. For more details on May weather, you can visit Kalajoki weather in May.
The contrast between December and June weather is striking. In December, temperatures can plummet to a chilling minimum of -22°C (-8°F), with an average temperature of -3°C (27°F) and a maximum of just 5°C (42°F). The month experiences 12 days of precipitation, contributing to a high humidity level of 98%. In stark contrast, June brings much milder conditions, with temperatures ranging from a minimum of 0°C (32°F) to a pleasant average of 14°C (58°F), peaking at 30°C (86°F). Precipitation in June is slightly higher at 53 mm (2.1 in) but occurs over just 8 days, and the humidity decreases to a more comfortable 76%. For further insights, visit Kalajoki weather in June.
December and July present starkly contrasting weather conditions. In December, temperatures can plunge as low as -22°C (-8°F), with an average of -3°C (27°F) and a maximum reaching just 5°C (42°F). This month also brings substantial humidity, averaging 98%, and 48 mm (1.9 in) of precipitation over 12 days. In contrast, July offers a much warmer climate, featuring minimum temperatures of 3°C (38°F) and maximums that can soar to 33°C (91°F), with an average temperature of 17°C (63°F). Although July experiences slightly higher precipitation at 68 mm (2.7 in) over 11 days, the humidity is significantly lower at 79%. For more details on July weather, you can visit Kalajoki weather in July.
December and August in Kalajoki present a striking contrast in weather conditions. In December, temperatures plunge to a minimum of -22°C (-8°F), with an average of -3°C (27°F) and a maximum of 5°C (42°F). The month is characterized by high humidity at 98%, with precipitation occurring on 12 days, totaling 48 mm (1.9 in). In contrast, August enjoys a much milder climate, where temperatures range from a minimum of 2°C (35°F) to an average of 15°C (59°F) and can soar up to 33°C (92°F). Precipitation is higher in August at 87 mm (3.4 in), but it occurs over 15 days, and the humidity is lower at 83%. For more details, you can explore Kalajoki weather in August.
December and September present strikingly different weather conditions in Kalajoki. December is characterized by harsh winter temperatures, with a minimum of -22°C (-8°F) and an average of -3°C (27°F), while September enjoys milder temperatures, ranging from a minimum of -3°C (26°F) to a pleasant maximum of 23°C (75°F). Precipitation is also notable in September, totaling 75 mm (3.0 in) over 12 days, compared to December's lower 48 mm (1.9 in) across the same number of days. Additionally, humidity levels are higher in December at 98%, offering a stark contrast to September’s 89%. For more detailed insights on September's weather, you can refer to Kalajoki weather in September.
In comparing the weather between October and December, a stark contrast emerges. December features much colder temperatures with min lows dropping to -22°C (-8°F) and an average of -3°C (27°F), while October remains relatively mild, ranging from -14°C (8°F) at night to a pleasant max of 19°C (67°F) during the day. Precipitation is more frequent in October, with 81 mm (3.2 in) over 14 days compared to December’s 48 mm (1.9 in) over 12 days, although December shows higher humidity at 98% versus October's 94%. For a detailed look at October's climate, check out Kalajoki weather in October.
In comparing November and December weather, December brings noticeably colder temperatures with a minimum of -22°C (-8°F) and an average of -3°C (27°F), while November has a milder minimum of -18°C (0°F) and an average of 1°C (33°F). Additionally, December experiences a slight reduction in precipitation, totaling 48 mm (1.9 in) over 12 days compared to November's 58 mm (2.3 in) over 11 days. Humidity levels also rise in December to 98% from November's 94%. For a closer look at November's specific weather patterns in Kalajoki, visit Kalajoki weather in November.
As December settles over Kalajoki, the weather takes on a distinctly wintry character, contrasting sharply with the milder autumn months. With chillier temperatures reaching their lows, this month showcases the deepening cold, coupled with an impressive level of humidity that creates a unique winter atmosphere. The frequent precipitation days not only contribute to the snowy landscape but also enhance the overall charm of the region during the holiday season. Unlike the more temperate days of previous months, December invites residents and visitors alike to embrace the beauty of winter in all its frosty glory. For a deeper understanding of how the weather transitions throughout the year, be sure to visit Kalajoki Climate.