Last updated: August 21, 2025
In January, Vaasa, Finland, experiences a chilly climate characterized by a maximum temperature peaking at 8°C (47°F) and an average low plunging to -3°C (26°F), making warm layers essential for outdoor activities. The month can be particularly frosty, with a minimum temperature dipping down to -24°C (-11°F). With an overall precipitation total of 38 mm (1.5 in) over approximately 9 days, early winter in Vaasa is marked by its high humidity level of 95%, often creating a brisk and crisp atmosphere that complements the stunning winter landscapes. Visitors and residents alike are encouraged to embrace the beauty of this winter wonderland, while staying prepared for the chilly elements.
In January, Vaasa, Finland, experiences a wintry chill, with temperatures ranging from a frigid -24°C (-11°F) at night to a relatively mild 8°C (47°F) during the day. The average temperature hovers around -3°C (26°F), making it one of the coldest months of the year. As winter progresses into February, the cold persists, though with slightly higher daytime averages and marginally warmer nighttime lows, indicating a gradual transition. The trend continues into March, where the temperatures begin to inch upwards, offering a glimpse of the impending spring with average temperatures rising to -1°C (30°F) and daytime highs reaching 10°C (49°F). This progressive warming sets the stage for April, where milder conditions emerge, reflecting an end to the intense winter cold and welcoming a more temperate climate.
In January, Vaasa experiences moderate precipitation, with an average of 38 mm (1.5 in) spread over 9 days. This sets a trend for the winter months, where rain and snow contribute to the region's cold climate. As the year progresses into February, precipitation slightly increases to 43 mm (1.7 in) but occurs on fewer days, resulting in a less frequent but still substantial impact. The early months of the year maintain lower levels compared to the summer peak, where the precipitation notably rises, especially in August with 84 mm (3.3 in). This pattern reveals that while January marks the beginning of steady precipitation, it paves the way for a notable increase during the warmer months, creating a rhythm of moisture that nourishes the region's landscape throughout the year.
In January, Vaasa, Finland, experiences a peak in humidity at an impressive 95%, creating a notably damp atmosphere as the new year begins. Following closely, February sees a slight drop to 93%, maintaining the winter's moody, moist conditions. As we transition into March, humidity decreases further to 91%, hinting at the gradual shift towards spring, although still significantly high. With April's arrival, a notable change occurs, as humidity dips to 85%, indicating the slow emergence of drier air. This trend continues into May with a refreshing 77%, and by June, the humidity stabilizes at 74%, making it the driest month of the early summer. However, the summer months bring a resurgence in humidity, peaking again in July at 80% and August at 82%, reminding us of Finland's maritime climate. As autumn sets in, humidity trends upward once more, reaching 88% in September and returning to the 92% mark by October, with similar levels persisting through November and December. Overall, Vaasa's January humidity sets the stage for a year characterized by significant moisture, with seasonal fluctuations reflecting the dynamic shifts between winter cold and summer warmth.
In January, Vaasa experiences a low UV Index of 1, with a relatively safe burn time of 45 minutes. This low exposure continues through February, maintaining an identical index and burn time, reflecting the winter season's minimal UV radiation. As the months progress into March and April, the UV Index increases to 3, indicating a moderate level of exposure, with burn times dropping to 30 minutes. This trend of rising UV levels continues into May and June, reaching a peak UV Index of 6 during the summer months of June and July, where cautious sun exposure is essential with a burn time reduced to 25 minutes. Conversely, as the year transitions back into autumn, the UV Index declines, settling back to 3 in September, then down to a low 2 in October, and returning to the familiar 1 by November and December. This cyclical pattern highlights how the UV Index fluctuates significantly throughout the year, correlating with changing seasons. For more detailed information, visit Vaasa UV Index.
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In Vaasa, Finland, January brings a mere 48 hours of sunshine, leaving the city draped in a wintry hush. As the calendar turns to February, sunlight begins to emerge, nearly tripling to 148 hours, hinting at the gradual transition toward longer days. This upward trend continues into March, where 274 hours of sunlight bathe the landscape, invigorating the city with a restorative energy. By April, the sunshine soars further to 362 hours, showcasing the vibrant awakening of spring. As sunshine hours peak in the heart of summer, Vaasa basks in 509 hours in June, before tapering slightly in July and August. With 463 hours and 430 hours, respectively, these months are marked by a warm glow and longer evenings. As fall descends, sunshine retreats, with 298 hours in September followed by diminishing hours through the colder months, culminating in a meager 44 hours by December. This cyclical dance of light reflects not only the changing seasons but also the resilient spirit of a city that adapts beautifully to the shimmering and shadowed rhythm of nature.
In Vaasa, Finland, the likelihood of sunny weather in January is notably low, with only a 5% chance of sunshine. This trend starkly contrasts with the subsequent months; by February, the probability of sun jumps to 27%, and it continues to rise, reaching 42% in March and 50% in April. As spring arrives, the sunshine begins to dominate, peaking at 55% in the heart of summer, July. However, as the year closes, the chances of clear skies dwindle again, illustrating a clear seasonal shift in weather patterns that remind us of the stark differences between the cold winter months and the vibrant summer days.
In Vaasa, Finland, January heralds the return of daylight, with only 5 hours illuminating the winter landscape. As the month advances, the days gradually become longer, paving the way for February, which brings an encouraging 8 hours of sunlight. This upward trend continues through March and April, where daylight stretches to 11 and 15 hours respectively, signaling the approach of spring. The month of May dazzles with 18 hours of daylight, peaking in June at a remarkable 20 hours, creating long, vibrant days that invigorate the community. As summer winds down, July sees daylight taper slightly to 18 hours, followed by August with 16 hours, as the transition back to shorter days begins. By September, daylight persists at 12 hours, before sliding to 9 hours in October, and further declining through the darker months of November and December, where only 6 and 4 hours of light remain. This rhythm of daylight is a compelling reminder of the changing seasons and the beauty of the northern latitudes.
In Vaasa, Finland, January’s winds are marked by an average speed of 3.5 m/s (8 mph), a consistent breeze that sets the tone for the winter months. This steady wind continues into February, maintaining the same pace before picking up slightly in March, where it reaches 4.5 m/s (10 mph). As the season transitions to spring, wind speeds fluctuate, peaking again in October at 4.8 m/s (11 mph). Overall, the winds in Vaasa show a gradual increase through the early months, dipping slightly during the summer before rising again as autumn approaches. This rhythm of wind speed reflects the dynamic climate of the region, where every season brings a unique touch to the air.
Weather in Vaasa varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Vaasa, focusing on differences in temperature, rainfall, humidity, and UV levels.
January and February weather display some notable similarities and differences. In January, temperatures range from a minimum of -24°C (-11°F) to a maximum of 8°C (47°F), with an average temperature of -3°C (26°F). The month sees approximately 38 mm (1.5 in) of precipitation over 9 days, accompanied by high humidity levels at 95%. In contrast, February experiences slightly milder temperatures with a minimum of -22°C (-8°F) and a maximum of 7°C (44°F), resulting in an average of -5°C (24°F). February also receives a bit more precipitation, totaling 43 mm (1.7 in) over 7 days, with humidity slightly decreasing to 93%. For more details on February weather, you can visit Vaasa weather in February.
In comparing the weather of January and March, both months experience cold temperatures, but March shows a slight improvement. January's average temperature sits at -3°C (26°F), while March's averages rise slightly to -1°C (30°F), despite both months having minimum temperatures around -24°C (-11°F) and -25°C (-13°F) respectively. Additionally, March offers a marginally higher maximum temperature of 10°C (49°F) compared to January's 8°C (47°F). Precipitation levels are fairly similar, with January receiving 38 mm (1.5 in) over 9 days and March accumulating 41 mm (1.6 in) over 11 days, indicating a slightly wetter month. Humidity is also slightly lower in March at 91%, compared to January's high of 95%. For more detailed information, you can visit Vaasa weather in March.
January and April exhibit stark contrasts in weather. In January, temperatures can plunge to a minimum of -24°C (-11°F), with an average of -3°C (26°F) and a maximum of just 8°C (47°F). The month is characterized by high humidity at 95% and an average of 9 days of precipitation totaling 38 mm (1.5 in). In contrast, April presents a more mild climate, with temperatures ranging from a minimum of -13°C (9°F) to an average of 3°C (37°F) and rising to a maximum of 21°C (70°F). Precipitation remains similar at 39 mm (1.5 in) but occurs over fewer days—only 7. Humidity also drops to 85%, making April feel significantly more comfortable. For more details about April weather, you can check Vaasa weather in April.
January and May showcase a stark contrast in weather conditions. In January, temperatures can plummet as low as -24°C (-11°F), with an average temperature of -3°C (26°F) and a maximum of 8°C (47°F). The month is characterized by high humidity at 95% and receives around 38 mm (1.5 in) of precipitation over 9 days. In contrast, May offers a more temperate experience, with temperatures ranging from a minimum of -4°C (26°F) to a warm maximum of 25°C (78°F) and an average of 8°C (47°F). Precipitation slightly increases to 42 mm (1.6 in), but falls over fewer days—just 7. Additionally, the humidity drops to a more comfortable 77%. For more insights on the pleasant weather of May, you can check Vaasa weather in May.
The weather in January and June presents a striking contrast. In January, temperatures plunge to a minimum of -24°C (-11°F) and struggle to reach an average of -3°C (26°F), with a maximum of only 8°C (47°F). The month is marked by high humidity at 95% and receives about 38 mm (1.5 in) of precipitation over 9 days. In stark contrast, June boasts a much milder climate, with temperatures ranging from a minimum of 1°C (34°F) to a pleasant average of 15°C (59°F) and peaking at 29°C (85°F). Although June sees slightly more rainfall at 57 mm (2.2 in) spread over 10 days, the humidity drops to a comfortable 74%. For a more detailed look at June weather, visit Vaasa weather in June.
The weather in January is characterized by frigid temperatures, with lows dipping to -24°C (-11°F) and an average temperature of -3°C (26°F), while highs only reach up to 8°C (47°F). In contrast, July offers a much warmer climate, featuring a minimum temperature of 5°C (42°F) and an average of 17°C (63°F), with maximum temperatures soaring to 32°C (90°F). January experiences significant humidity at 95%, whereas July's humidity is comparatively lower at 80%. Both months see similar precipitation levels, with January recording 38 mm (1.5 in) over 9 days, while July’s precipitation is slightly higher at 59 mm (2.3 in) across 10 days. For more details about the climate specifics in July, check out Vaasa weather in July.
January and August present starkly contrasting weather conditions. In January, temperatures plunge to a minimum of -24°C (-11°F) and hover around an average of -3°C (26°F), with a maximum of only 8°C (47°F). The month experiences high humidity at 95% and sees about 38 mm (1.5 in) of precipitation over 9 days. In contrast, August boasts much milder temperatures, ranging from a minimum of 5°C (41°F) to a pleasant average of 15°C (60°F), peaking at 29°C (85°F). Rainfall increases to 84 mm (3.3 in) and occurs on 13 days, but humidity remains lower at 82%. For more details, check Vaasa weather in August.
January and September in Vaasa showcase significantly contrasting weather patterns. In January, temperatures can plummet to a minimum of -24°C (-11°F), with an average temperature around -3°C (26°F) and a maximum of 8°C (47°F). The month experiences a high level of humidity at 95%, with 38 mm (1.5 in) of precipitation over 9 days. In stark contrast, September brings a more moderate climate, with temperatures ranging from a minimum of 0°C (32°F) to a pleasant maximum of 24°C (75°F) and an average of 11°C (52°F). Although September sees more precipitation, at 75 mm (2.9 in) over 13 days, the humidity is lower, at 88%. For more detailed information, you can check Vaasa weather in September.
January and October present contrasting weather patterns. In January, temperatures can plummet as low as -24°C (-11°F), with an average temperature of -3°C (26°F) and a maximum of 8°C (47°F). The month experiences high humidity at 95% and sees about 38 mm (1.5 in) of precipitation over 9 days. In comparison, October offers a milder climate with minimum temperatures of -9°C (17°F), an average of 6°C (43°F), and highs reaching 17°C (64°F). Rainfall is more frequent in October, totaling 84 mm (3.3 in) across about 15 days, with a slightly lower humidity of 92%. For more details on October weather, you can check out Vaasa weather in October.
In January, the weather is significantly colder, with minimum temperatures plunging to -24°C (-11°F) and an average of -3°C (26°F), while November sees milder conditions, where temperatures range from -17°C (2°F) to an average of 2°C (36°F). Additionally, January experiences less precipitation with 38 mm (1.5 in) over 9 days, compared to November's wetter climate, which has 57 mm (2.2 in) across 10 days. Humidity levels are relatively high in both months, with January at 95% and November slightly lower at 92%. For more details on November weather, you can visit Vaasa weather in November.
January and December present a stark yet somewhat similar winter climate. Both months experience frigid minimum temperatures of -24°C (-11°F), but January is slightly milder overall, with an average temperature of -3°C (26°F) compared to December's -2°C (29°F). Precipitation levels are also notable; January receives 38 mm (1.5 in) over 9 days, while December sees a higher total of 53 mm (2.1 in) spread across 14 days, suggesting more persistent rain or snow that month. Additionally, January's humidity is marginally higher at 95%, compared to December's 93%, which can contribute to a heavier, colder feel in the air. For more details on December weather, you can check out Vaasa weather in December.
January in Vaasa stands as a stark contrast to the milder months of the year, serving as one of the coldest periods with an icy grip that can plunge temperatures to alarming lows. While the atmosphere is heavily influenced by high humidity levels, resulting in occasional precipitation, the biting cold defines the month, making it feel much chillier than average. Visitors can expect fewer sunny days, with a notable increase in cloud cover that blankets the town. Yet, the intriguing interplay of wintery conditions brings a unique beauty to Vaasa’s landscape. For a deeper understanding of what to expect throughout the year, you can explore more about the city’s climate at Vaasa Climate.