Last updated: August 21, 2025
Joensuu, Finland in January is marked by chilly temperatures and a strikingly cold landscape. The maximum temperature hovers around 5°C (41°F), while the average settles at a frigid -6°C (21°F), plunging to a bone-chilling minimum of -29°C (-19°F). January also sees 48 mm (1.9 in) of precipitation spread across 13 days, contributing to a humidity level of 99% that encapsulates the city in a wintry embrace. This month challenges residents and visitors alike with its mix of harsh conditions and snow-laden beauty, making it a unique experience in this northern gem.
In Joensuu, Finland, January offers a bracing winter experience, characterized by chilly temperatures that define the heart of the season. The month kicks off with minimum temperatures plummeting to -29°C (-19°F), hovering around an average of -6°C (21°F), and peaking at a relatively mild 5°C (41°F). This stark cold is emblematic of early winter's grip, with February slightly warming up but still maintaining very frigid lows of -27°C (-17°F). As winter progresses into March, a gradual thaw begins; temperatures rise, with notable increases in the maximum levels reaching 9°C (49°F) by month's end. This trend of warming culminates in April, where the average breaks above freezing, signaling the slow but steady transition to spring. Thus, January serves as a formidable yet picturesque chapter in Joensuu's climatic narrative, setting the stage for a gradual thaw as the year unfolds.
In January, Joensuu, Finland experiences a moderate precipitation total of 48 mm (1.9 in), with rain or snow gracing the region on an average of 13 days. This steady rainfall mirrors the patterns observed in February, which maintains the same precipitation level, before inching up slightly in March to 50 mm (2.0 in). The consistent winter moisture sets the stage for the upcoming months, where rainfall gradually increases, peaking in the summer with July's significant 89 mm (3.5 in). Overall, the early winter in Joensuu features a substantial number of wet days, blending seamlessly into a wetter, warmer season ahead.
In January, Joensuu, Finland, experiences a remarkable 99% humidity, setting the stage for a notably damp winter. As the month transitions into February, humidity slightly eases to 98%, but still maintains an intensely moist atmosphere. Over the next few months, humidity gradually declines, reaching 95% in March and continuing to decrease to 87% in April. As spring arrives, there is a more noticeable drop, with levels hitting 78% in May and stabilizing around 75% in June. However, the summer months bring a slight uptick, as July and August see humidity levels rise to 83% and 88%, respectively. As autumn approaches, humidity begins to climb once more, peaking at 95% in October. The trend is clear: Joensuu's climate swings from the extremes of winter moisture to a milder summer, only to return to the dampness typical of late autumn and early winter. This rhythmic cycle of humidity showcases the region's unique weather patterns, making each season a distinct experience.
In January, Joensuu experiences a UV Index of 1, categorized as low, which means sun exposure poses minimal risk with a burn time of 45 minutes. This low UV environment continues through February, maintaining the same index and burn time. As March rolls in, the UV Index rises to 3, indicating a moderate exposure level with a reduced burn time of 30 minutes. This trend of increasing UV exposure continues into April and May, peaking at a moderate 5 in May, where cautious sun practices become more relevant. The summer months of June and July see a shift to a high exposure category, with both months reaching a UV Index of 6, and a notably shorter burn time of just 25 minutes. As autumn approaches, the UV Index gradually decreases, ending the year back to a low 1 in November and December. For detailed information on the UV Index throughout the year, visit Joensuu UV Index.
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In Joensuu, Finland, January marks the beginning of the year with a mere 34 hours of sunshine, a stark contrast to the vibrant brightness that follows. As winter loosens its grip, February brings a notable increase to 127 hours, hinting at the promise of spring. By March, the sunshine doubles to 238 hours, and this upward trend continues into April, where it reaches 344 hours. May ushers in a delightful 418 hours, paving the way for summer's peak. June peaks at 493 hours, before slightly tapering off in July with 477 hours. As August rolls in, the sunlight begins to retreat to 383 hours, a precursor to the autumn months. September offers 254 hours, followed by October with 149 hours, and finally, winter returns with November and December bringing only 60 and 25 hours of sunlight, respectively. This seasonal journey showcases Joensuu's dramatic transition from the dark depths of winter to the bright, lively days of summer, illuminating the captivating rhythm of Finland's climate.
In January, Joensuu, Finland, sees a mere 2% chance of sunny weather, making it one of the least favorable months for sunshine in the year. This stark contrast to the following month, February, where the likelihood increases to 9%, highlights a gradual warming trend as winter progresses. By March, residents can expect a significant uptick in sunshine, with 36% chance, followed by even brighter April days at 41%. As spring transitions into summer, sunny days become increasingly frequent, peaking in July with a 53% chance of sunshine. This journey through the months underscores a clear trend: the further we move from January, the more the chances of enjoying sunny weather in Joensuu rise, culminating in a vibrant summer season.
In Joensuu, Finland, January marks the beginning of the year with a mere 6 hours of daylight, as the city gradually transitions from the deep winter months toward the vibrant spring. February brings a subtle increase, gifting residents 8 hours of sunlight, while March shines a bit brighter with 11 hours of daylight, signaling the approach of longer days ahead. As spring takes hold in April, daylight expands to 14 hours, reaching its zenith in the summer months. May delights with 17 hours, and June bathes the city in nearly round-the-clock light at 19 hours. However, after the summer peak, the daylight begins to wane. July retains a robust 18 hours, but by August, it gently declines to 15 hours. As autumn settles in, September offers 12 hours, which then dips to 9 hours in October. As the year closes, November brings back a somber 6 hours, and December closes in with even less, at just 5 hours, reminding residents of the cyclical dance of light and darkness that defines the polar climate.
In January, Joensuu experiences a gentle breeze with an average wind speed of 3.0 m/s (7 mph), setting the stage for the winter chill. This subtle wind carries into February, where speeds slightly increase to 3.2 m/s, maintaining a consistent flow that remains steady through the early spring months. As winter fades, March sees a notable uptick to 3.8 m/s, hinting at the transition towards warmer days. However, the winds settle back down in April and May, returning to around 3.2 m/s and 3.3 m/s, respectively. June mirrors this pattern, while July brings the calmest winds of the year at 2.9 m/s, allowing for the warm summer air to dominate. As summer wanes, August revives the breeze to 3.6 m/s and foreshadows the brisk autumn months ahead. In October, the wind picks up significantly to 4.3 m/s, which remains relatively stable as the temperatures drop in November and December, wrapping up the year with a cool 3.9 m/s and 3.6 m/s. Overall, Joensuu’s wind patterns showcase a dynamic ebb and flow throughout the year, reflecting the changing seasons and their influences on this picturesque Finnish city.
Weather in Joensuu varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Joensuu, focusing on differences in temperature, rainfall, humidity, and UV levels.
January and February present very similar winter conditions, though February is slightly warmer overall. In January, temperatures drop to a minimum of -29°C (-19°F), with an average of -6°C (21°F) and a maximum of 5°C (41°F). February, on the other hand, features a minimum of -27°C (-17°F), an average of -7°C (20°F), and a maximum of 4°C (40°F). Precipitation levels remain consistent in both months, with 48 mm (1.9 in) and 13 days of precipitation in January compared to 12 days in February. Humidity also remains high, hovering at 99% in January and slightly lower at 98% in February. For more specific details, visit Joensuu weather in February.
In January, the weather is notably colder, with average temperatures dipping to -6°C (21°F) and maximums only reaching 5°C (41°F). The month experiences high humidity at 99% and sees about 48 mm (1.9 in) of precipitation spread over 13 days. In contrast, March brings a slight warming trend, with average temperatures around -3°C (26°F) and maximums reaching up to 9°C (49°F). Although it receives a comparable amount of precipitation at 50 mm (2.0 in) over 12 days, the humidity decreases to 95%. For a detailed look at the weather conditions during this month, check out Joensuu weather in March.
January and April offer strikingly different weather patterns. In January, temperatures can plummet to a chilling minimum of -29°C (-19°F), with an average of -6°C (21°F) and highs reaching only 5°C (41°F). The month is characterized by high humidity at 99% and 13 days of precipitation totaling 48 mm (1.9 in). In contrast, April brings a noticeable shift, with minimum temperatures at -14°C (8°F) and an average of 1°C (35°F), peaking at a much milder 17°C (64°F). This month sees less precipitation, at 41 mm (1.6 in) over 9 days, along with a decrease in humidity to 87%. For a more detailed look at this transition, you can check Joensuu weather in April.
January and May present stark contrasts in weather conditions. In January, temperatures can plummet as low as -29°C (-19°F), with an average temperature of -6°C (21°F) and a maximum of just 5°C (41°F). This colder month experiences a high humidity level at 99%, with 48 mm (1.9 in) of precipitation spread over 13 days. In contrast, May ushers in milder conditions, where temperatures range from a minimum of -4°C (25°F) to an average of 8°C (47°F), peaking at a comfortable 26°C (79°F). Although May sees slightly higher precipitation at 55 mm (2.2 in) over 11 days, the humidity drops to a more pleasant 78%. For more insights on the weather during this time, you can check Joensuu weather in May.
The contrast between January and June weather is striking. In January, temperatures can plummet as low as -29°C (-19°F), with an average temperature around -6°C (21°F) and maximums reaching only 5°C (41°F). The month experiences frequent precipitation, falling on approximately 13 days, accompanied by a high humidity of 99%. In stark contrast, June enjoys a much milder climate, with minimum temperatures around 2°C (37°F), an average of 16°C (60°F), and maximums soaring to 31°C (87°F). Although June sees a slightly higher total precipitation of 58 mm (2.3 in) spread over just 11 days, the humidity is significantly lower at 75%. This transition from the depths of winter to the warmth of summer is evident in the dramatic change in weather patterns. For more details, check out Joensuu weather in June.
January and July present a stark contrast in weather conditions. In January, temperatures can plummet to a chilling minimum of -29°C (-19°F), with an average of -6°C (21°F) and a maximum reaching just 5°C (41°F). The month is characterized by high humidity at 99% and frequent precipitation, occurring on 13 days, totaling 48 mm (1.9 in). In contrast, July boasts a much milder climate, with temperatures ranging from a minimum of 7°C (45°F) to a warm maximum of 31°C (88°F) and an average of 17°C (63°F). The humidity drops to 83%, and while precipitation increases to 89 mm (3.5 in), it occurs over one less day than in January, reflecting a generally drier feel. For more insights, check out Joensuu weather in July.
The weather in January and August presents a stark contrast. In January, temperatures plunge to a minimum of -29°C (-19°F) and struggle to climb above 5°C (41°F) during the day, with an average of -6°C (21°F). The month experiences significant humidity at 99%, accompanied by 48 mm (1.9 in) of precipitation over 13 days, making it one of the coldest and wettest months of the year. In sharp contrast, August brings a welcome warmth, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 29°C (85°F), averaging 15°C (60°F). The precipitation in August rises to 99 mm (3.9 in) spread over 16 days, but the humidity drops to 88%, creating a much more comfortable climate. For more details, check out Joensuu weather in August.
The weather in January is characterized by frigid temperatures, with lows plunging to -29°C (-19°F) and an average temperature of -6°C (21°F). In contrast, September brings a significant warming trend, featuring lows around 0°C (32°F) and an average temperature of 10°C (51°F). While January experiences around 48 mm (1.9 in) of precipitation over 13 days, September sees a higher total of 87 mm (3.4 in) stretched over 14 days. Humidity levels also differ, with January hovering at a chilling 99%, while September’s humidity sits at a more moderate 92%. For a detailed view of September’s weather, you can visit Joensuu weather in September.
In January, the weather is characterized by frigid temperatures, with a minimum of -29°C (-19°F) and an average around -6°C (21°F), peaking at a mild 5°C (41°F). The month sees about 48 mm (1.9 in) of precipitation over 13 days, coupled with high humidity at 99%. In stark contrast, October experiences a much more temperate climate, with temperatures ranging from a minimum of -6°C (21°F) to a pleasant maximum of 17°C (62°F) and an average of 5°C (41°F). Precipitation rises to 86 mm (3.4 in) spread over 16 days, with humidity at a still-high 95%. For more detailed insights, check out Joensuu weather in October.
In comparison to January, November experiences milder temperatures, with averages around 1°C (33°F) and maximums reaching 10°C (50°F), while January’s temperatures can plummet as low as -29°C (-19°F). Precipitation is slightly higher in November at 64 mm (2.5 in) compared to January’s 48 mm (1.9 in), and both months see precipitation on about 13 days. Humidity levels are also slightly lower in November at 94%, compared to January's nearly overwhelming 99%. For more details, you can check out Joensuu weather in November.
In January, the weather remains frigid, with temperatures ranging from a chilling -29°C (-19°F) to a slightly warmer high of 5°C (41°F), resulting in an average temperature of -6°C (21°F). In comparison, December showcases slightly milder conditions, with minimum temperatures of -23°C (-9°F) and a maximum of 3°C (38°F), leading to an average temperature of -4°C (25°F). While January experiences less precipitation, totaling 48 mm (1.9 in) over 13 days, December is wetter with 73 mm (2.9 in) across 16 days. Both months exhibit high humidity levels, with January at 99% and December at 98%. For more specifics on December weather, you can check Joensuu weather in December.
January in Joensuu presents a climate that starkly contrasts with the milder months that precede and follow it. The chill of winter envelops the city, with average temperatures hovering around freezing and occasionally plunging well below. This month is marked by high humidity levels and relatively frequent precipitation, contributing to the frosty landscape. Unlike the more temperate conditions of late spring and summer, January's weather demands a warm wardrobe and a spirit eager for winter activities. As you explore the wintry charm of Joensuu during this month, you'll experience a unique climate that showcases the beauty of Finnish winters. For more insights into the weather year-round, check out Joensuu Climate.