Last updated: August 21, 2025
In October, Joensuu, Finland experiences a striking blend of cool weather and vibrant autumn hues. The maximum temperature hovers around 17°C (62°F), while the average drops to a brisk 5°C (41°F), and nighttime can see temperatures plummet to a chilly -6°C (21°F). This month is characterized by 86 mm (3.4 in) of precipitation over approximately 16 days, contributing to the lush landscapes of the region. With humidity levels reaching a notable 95%, October paints Joensuu in a tapestry of crisp air and invigorating rain, making it an ideal time for cozy gatherings and enjoying the seasonal beauty.
As October settles over Joensuu, Finland, the first whispers of winter begin to emerge. The temperatures gradually drop, with averages at 5°C (41°F), while nighttime can chill to around -6°C (21°F). This month marks a transition, seeing highs up to 17°C (62°F), a stark contrast to the frigid depths of January when temperatures can plummet to -29°C (-19°F). Amidst this cooling trend, the beauty of autumn foliage paints the landscape, enticing residents and visitors alike to embrace the crisp air and tranquil scenery before the snow blankets the ground. October in Joensuu is a gentle reminder of the shifting seasons, showcasing the delicate balance between lingering warmth and the impending cold.
In October, Joensuu experiences a notable transition as the autumn season deepens, bringing 86 mm of precipitation across 16 days. This amount is slightly less than the preceding months, with September’s 87 mm highlighting a trend of high rainfall leading into the fall. The consistent 16 days of rain indicates that while the quantity is similar to previous months, the frequency of precipitation remains significant, illustrating the region's tendency for damp autumn weather. As leaves begin to fall, the wet conditions contribute to the enchanting yet chilly atmosphere typical of Joensuu this time of year, making it a captivating time to experience nature's transformation.
As October arrives in Joensuu, humidity levels hover around a brisk 95%, reflecting the transition into the cooler months. Following the slightly humid embrace of September at 92%, October maintains this elevated moisture level, suggesting a lingering warmth in the air. It's notable that the winter months, particularly January and February, showcase near-saturated conditions with humidity at 99% and 98% respectively. As the year progresses from the blossoming freshness of spring—where humidity dips to 78% in May—through the warmer summer months, the trend reveals a cyclical return to higher humidity as autumn deepens. With an average decline from June's warm 75% to October's 95%, Joensuu's humidity levels serve as a reminder of the strong seasonal shifts that define this beautiful Finnish region.
As October sets in Joensuu, Finland, the UV Index dips to a mild 2, categorizing sun exposure as low. This signals a shift from the more intense summer months, where the index peaked at 6 in both June and July, indicating a high risk of harm from unprotected sun exposure. The transition through the months highlights a gradual decrease in UV intensity, with moderate levels in March through August, and a return to low levels by November. With a burn time of 45 minutes this October, residents can enjoy the crisp fall air with the reassurance that while UV rays are present, they pose minimal risk. For more detailed information, visit Joensuu UV Index.
UV Risk Categories
As October rolls into Joensuu, Finland, the days gradually shorten, bringing a marked transition from the vibrant sunshine of summer to the crisp embrace of autumn. With 149 hours of sunlight, October experiences a noticeable dip in brightness compared to the peak summer months, which boasted over 490 hours in June. However, the month still holds onto a comforting warmth, especially when compared to the frigid gloom of November with its mere 60 hours of sun. October’s sunlight serves as a gentle reminder of the lingering vitality of fall, as it trails behind the fervent summer months while setting the stage for the long, dark winter ahead.
In October, Joensuu, Finland, experiences a notable decline in sunshine, with only an 11% chance of clear skies. This dip in sunny days follows the vibrant summer months, where sunshine peaks in June and July at 51% and 53%, respectively. As autumn progresses, the likelihood of gray, overcast weather increases, transitioning from 22% in September to 11% by October. This trend signals the onset of winter, with the sun becoming a rarer sight as the year draws to a close. While the crisp autumn air may invite scenic walks, those seeking sunny days might find better fortunes in the pre-autumn months.
As autumn settles in Joensuu, Finland, the daylight hours begin to dwindle, with October offering a brief 9 hours of sunshine. This shift follows the vibrant months of summer, where daylight peaks at a remarkable 19 hours in June. The gradual decrease becomes most apparent as the year transitions from July's 18 hours to September's 12 hours, emphasizing the encroaching winter. By the time October arrives, the days are noticeably shorter, inviting a cozy atmosphere as the leaves turn and temperatures cool. Looking ahead, this pattern continues into November and December, where daylight reduces further to just 6 and 5 hours, respectively, marking the deepening embrace of winter in this northern locale.
As October arrives in Joensuu, Finland, the wind picks up pace, with an average speed of 4.3 m/s (10 mph)—notably higher than the preceding months. This seasonal shift marks a departure from the milder summer winds, which lingered around 2.9 to 3.6 m/s. The gusty October air indicates a transition into autumn, invigorating both the landscape and its inhabitants. Interestingly, this month stands as a peak in wind speed compared to the rest of the year, hinting at the robust breezes that herald the coming winter. As the leaves swirl and dance in the gusts, Joensuu residents brace for the seasonal changes ahead, embracing the lively spirit of the October wind.
Weather in Joensuu varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Joensuu, focusing on differences in temperature, rainfall, humidity, and UV levels.
When comparing the weather in October and January, a stark contrast emerges. October features milder temperatures, with averages around 5°C (41°F), peaking at 17°C (62°F), and experiences significant precipitation, totaling 86 mm (3.4 in) across 16 days. In contrast, January is much colder, with an average temperature of -6°C (21°F) and a chilling minimum of -29°C (-19°F), while receiving considerably less precipitation at 48 mm (1.9 in) over just 13 days. Notably, January also boasts a higher humidity level of 99%, contributing to a more biting cold. For a deeper look into January's climate, you can check out Joensuu weather in January.
When comparing the weather in October and February, it’s evident that February is significantly colder. October experiences a minimum temperature of -6°C (21°F) and an average of 5°C (41°F), while February sees much harsher conditions with a minimum of -27°C (-17°F) and an average of -7°C (20°F). Precipitation is more frequent in October, totaling 86 mm (3.4 in) over 16 days, compared to February's 48 mm (1.9 in) over 12 days. Additionally, October has a humidity level of 95%, slightly lower than February's 98%, indicating a damp chill in both months. For a detailed look at February's weather specifics, visit Joensuu weather in February.
October and March present contrasting weather patterns. In October, temperatures range from a chilly -6°C (21°F) at night to a mild 17°C (62°F) during the day, with an average of 5°C (41°F). The month experiences around 86 mm (3.4 in) of precipitation over 16 days, contributing to a high humidity of 95%. In contrast, March is significantly colder, with minimum temperatures dropping to -25°C (-14°F) and a daytime high of only 9°C (49°F), averaging at -3°C (26°F). Despite having less precipitation at 50 mm (2.0 in) over 12 days, humidity levels remain at 95%. For more details on March's weather, visit Joensuu weather in March.
When comparing the weather in October and April, notable differences emerge. October experiences milder average temperatures, ranging from a minimum of -6°C (21°F) to a maximum of 17°C (62°F), while April is cooler, with temperatures fluctuating between -14°C (8°F) and the same maximum of 17°C (64°F). Precipitation is more frequent in October, with 86 mm (3.4 in) over 16 days compared to April's 41 mm (1.6 in) across just 9 days. Additionally, October boasts higher humidity at 95%, compared to April's 87%. For more detailed information on the weather in April, you can visit Joensuu weather in April.
October and May present contrasting weather conditions. In October, temperatures range from a chilly -6°C (21°F) at their lowest to a mild peak of 17°C (62°F), with an average temperature of 5°C (41°F). The month experiences significant precipitation, with 86 mm (3.4 in) spread across 16 days and a high humidity level of 95%. In contrast, May showcases a broader temperature range, from a minimum of -4°C (25°F) to a warm maximum of 26°C (79°F), with an average of 8°C (47°F). This month sees less precipitation at 55 mm (2.2 in) over 11 days and a notable decrease in humidity to 78%. For more details on weather specific to May, you can check Joensuu weather in May.
When comparing the weather in October and June, significant differences emerge. October typically experiences cooler temperatures, with daily averages around 5°C (41°F) and a maximum of 17°C (62°F), while June boasts a much warmer average of 16°C (60°F) and can reach up to 31°C (87°F). Precipitation is more frequent in October, averaging 86 mm (3.4 in) over 16 days, compared to June's 58 mm (2.3 in) over 11 days. Additionally, October tends to have higher humidity levels at 95%, while June's humidity is around 75%, contributing to a more comfortable summer ambiance. For a closer look at June weather specifics, check out Joensuu weather in June.
When comparing the weather in October and July, notable differences emerge. October tends to be much cooler, with average temperatures ranging from a minimum of -6°C (21°F) to a maximum of 17°C (62°F), while July boasts milder weather with temperatures from a minimum of 7°C (45°F) to a peak of 31°C (88°F). Despite both months having similar precipitation levels, with October receiving 86 mm (3.4 in) over 16 days and July slightly higher at 89 mm (3.5 in) over 12 days, October's high humidity at 95% contributes to a distinctly chillier feel compared to July's relatively lower humidity at 83%. For more detailed weather insights, you can check Joensuu weather in July.
In comparing the weather of October and August, October presents much cooler temperatures, with average highs around 17°C (62°F) and lows dipping as low as -6°C (21°F), while August enjoys warmer conditions, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 29°C (85°F). Precipitation levels are fairly similar, with October receiving 86 mm over 16 days and August experiencing slightly higher rainfall at 99 mm, also over 16 days. Additionally, October boasts increased humidity at 95% compared to August's 88%, making the air feel distinctly cooler and more damp as the autumn season sets in. For those interested in more details about August's weather, you can refer to Joensuu weather in August.
October brings noticeably cooler temperatures compared to September, with average highs reaching only 17°C (62°F) compared to September's more comfortable 22°C (72°F). In terms of lows, October dips significantly to -6°C (21°F), while September's temperatures remain above freezing at 0°C (32°F). Both months experience similar precipitation levels, with October receiving 86 mm (3.4 in) over 16 days compared to September's 87 mm (3.4 in) over 14 days, although October's high humidity at 95% adds to the chill in the air. For more details on September weather, you can visit Joensuu weather in September.
October and November present distinct contrasts in weather patterns. October typically enjoys milder temperatures, ranging from a minimum of -6°C (21°F) to a maximum of 17°C (62°F), with an average of 5°C (41°F). It experiences significant precipitation, averaging 86 mm (3.4 in) over 16 days, accompanied by high humidity at 95%. In contrast, November ushers in colder conditions, with temperatures dipping further to a minimum of -16°C (3°F) and a maximum of 10°C (50°F), resulting in an average temperature of just 1°C (33°F). This month sees less precipitation, totaling 64 mm (2.5 in) over 13 days, and slightly lower humidity at 94%. For more details, you can check Joensuu weather in November.
October weather presents a milder climate in comparison to December, with temperatures ranging from a minimum of -6°C (21°F) to a maximum of 17°C (62°F) and an average of 5°C (41°F). In contrast, December experiences much colder conditions, with temperatures plummeting to a minimum of -23°C (-9°F) and reaching only a maximum of 3°C (38°F), averaging -4°C (25°F). While October sees a total precipitation of 86 mm (3.4 in) over 16 days, December has slightly less precipitation at 73 mm (2.9 in) but maintains high humidity levels of 98%. For more detailed information about December weather, visit Joensuu weather in December.
As October settles in Joensuu, the weather takes a noticeable turn, showcasing a blend of crisp air and vibrant autumnal colors. With temperatures dipping significantly from the milder months, residents experience a stark contrast as the days grow shorter and the chill sets in. Precipitation becomes more frequent, contributing to an overall sense of wetness, with a high humidity level accentuating the season's change. This month stands apart from the warmer summer and transitional autumn months, marking a shift towards the chilly embrace of winter. For a comprehensive overview of the year-round weather patterns, check out Joensuu Climate.