Last updated: August 21, 2025
In October, Oulu, Finland, experiences a vivid transition into autumn, marked by a maximum temperature reaching a crisp 18°C (64°F) and an average of 4°C (40°F). The month can be quite chilly, with minimum temperatures dipping to a brisk -12°C (10°F). Frequent rain can be expected, as precipitation totals about 81 mm (3.2 in) over 15 days, contributing to the region's lush, damp environment. With stellar humidity levels soaring to 95%, October in Oulu offers a refreshing embrace of the season’s change, perfect for those who appreciate the beauty of fall.
As October unfolds in Oulu, Finland, temperatures begin to shift from the lingering warmth of autumn to the chill of winter. With a minimum of -12°C (10°F) and a comfortable average of 4°C (40°F), the month offers a striking contrast to the late summer warmth. Daytime highs can reach up to 18°C (64°F), providing a few pleasant afternoons for outdoor activities, while nights grow increasingly crisp, hinting at the approaching frosts. Compared to the fluctuating temperatures of September, October marks a significant cooling period, setting the stage for the deeper chill of winter that follows. The transition is evident as the days shorten, and the vibrant fall foliage gives way to a colder landscape, encapsulating the captivating beauty of this northern city during a time of change.
In October, Oulu, Finland experiences a notable increase in precipitation, with 81 mm (3.2 in) of rain falling across 15 days. This surge marks one of the wettest months of the year, as autumn deepens and temperatures drop. The trend reflects a gradual rise in rainfall from the drier summer months, particularly July and August, where totals were 73 mm (2.9 in) and 91 mm (3.6 in), respectively. As the city transitions into the colder months, October's abundant precipitation not only replenishes the landscape but also sets the stage for the snowy winters ahead, contrasting sharply with the lighter rains of spring and early summer.
As October unfolds in Oulu, Finland, humidity levels settle at a comfortable 95%, mirroring the moisture-filled atmosphere of the preceding months. Following a gradual decline from the peak of 100% in January, humidity has remained relatively high, with only slight fluctuations throughout the year. From June's low of 77% to September's rise to 90%, October bridges the transition into the colder months. This consistent presence of humidity not only contributes to Oulu's characteristic crispness but also sets the stage for the winter chill, as November and December closely follow with the same humidity level of 95% and 99%, respectively. Thus, the atmospheric conditions in October serve as a reminder of the approaching winter while maintaining an inviting, moist ambiance for the city's residents and visitors alike.
As October ushers in cooler days in Oulu, Finland, the UV Index drops to a low level of 2, with a comfortable burn time of 45 minutes. This marks a transition from the peak UV levels experienced during the summer months, where high values of 6 in June and July called for more vigilant sun protection. In contrast, early autumn brings a gradual decline, settling into a moderate zone in August and September before tapering off in October. As daylight begins to dwindle, the UV exposure remains manageable, allowing residents and visitors to enjoy outdoor activities without the heightened risk of sunburn. For more detailed information on UV levels throughout the year, explore this link: Oulu UV Index.
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October in Oulu, Finland, marks a significant shift as the vibrant autumn days begin to fade into the winter gloom. With 147 hours of sunshine, it offers a stark contrast to the earlier months, where the sun graced residents with 454 hours in May and a peak of 516 hours in June. As the days grow shorter, October's sunshine reflects a gradual decline, following September's 280 hours, but it still holds a sense of warmth before the harshness of winter sets in. This transitional month is a reminder of the fleeting beauty of autumn, as the sun begins to retreat, paving the way for the stark, frosty winters that typically bring just 68 hours in November and a mere 20 hours in December. The sharp contrast in sunlight throughout the year in Oulu beautifully encapsulates the region’s remarkable seasonal changes.
As October approaches in Oulu, Finland, the likelihood of enjoying sunny weather diminishes significantly, with just a 7% chance of sun throughout the month. This trend marks a stark contrast to the more promising summer months, where July boasts a peak of 56% sunny days. The gradual decline in sunshine starts from the vibrant days of June and July, with the probability of clear skies dropping notably in the fall. By October, this pattern reflects a shift towards a more subdued climate as the days grow shorter and colder, paving the way for the winter months ahead. Therefore, those hoping for sunshine during this time may want to manage their expectations and prepare for a cloudier atmosphere.
In Oulu, Finland, the transition into October brings a notable shift in daylight duration, as the days begin to shorten after the long, bright summer months. With an average of 9 hours of daylight, October showcases a gentle decline from the 12 hours enjoyed in September, marking the onset of the darker season. This gradual decrease in light follows a steep increase from the 5 hours in January, peaking in June with a stunning 21 hours. As autumn sets in, the reduced sunlight serves as a reminder of the upcoming winter months, where November provides just 6 hours and December dwindles down to a mere 3 hours of daylight. Oulu's seasonal rhythm highlights the stark contrasts of the Arctic Circle, as the year gracefully transitions from light-filled days to cozy, dark evenings.
As October arrives in Oulu, Finland, the crispness of autumn is accentuated by a noticeable rise in wind speed, averaging 4.1 m/s (9 mph), a contrast to the softer breezes of the preceding months. This uptick marks a significant shift, as the winds become more assertive compared to the consistent 3.1 to 3.3 m/s range observed throughout the summer and early autumn. It's a time when the gusts carry the earthy scents of fallen leaves and hint at the chilly embrace of winter on the horizon. Such lively winds not only invigorate the local landscape but also invite residents and visitors alike to engage in outdoor adventures, from brisk walks through colorful parks to exhilarating cycling rides along the coast. The transformation of Oulu's atmosphere in October embodies both the beauty and the dynamism of the changing seasons.
Weather in Oulu varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Oulu, focusing on differences in temperature, rainfall, humidity, and UV levels.
In October, the weather is relatively mild with temperatures ranging from a chilly -12°C (10°F) at their lowest to a pleasant max of 18°C (64°F), averaging around 4°C (40°F). The month sees a significant amount of precipitation, totaling 81 mm (3.2 in) over approximately 15 days, accompanied by high humidity levels of 95%. In contrast, January is far harsher, with temperatures plummeting between -32°C (-25°F) and a max of just 5°C (41°F), resulting in an average temperature of -7°C (19°F). Precipitation drops to 40 mm (1.6 in) over about 10 days, and the humidity reaches its peak at 100%. For more detailed insights into January conditions, you can check Oulu weather in January.
October and February present contrasting weather experiences. In October, temperatures range from a minimum of -12°C (10°F) to a maximum of 18°C (64°F), yielding an average of 4°C (40°F) alongside relatively high humidity at 95% and 81 mm (3.2 in) of precipitation over 15 days. In contrast, February is much colder, with temperatures dipping to a minimum of -25°C (-14°F) and averaging -8°C (17°F) while peaking at just 5°C (42°F). The month sees less precipitation, totaling 40 mm (1.6 in) over only 9 days, but the humidity remains high at 98%. For those interested, more details can be found in this link: Oulu weather in February.
In October, temperatures in Oulu range from a chilly minimum of -12°C (10°F) to a comfortable maximum of 18°C (64°F), with an average of 4°C (40°F). The month sees around 81 mm (3.2 in) of precipitation over about 15 days, creating a damp atmosphere marked by 95% humidity. In contrast, March is significantly colder, with temperatures dipping as low as -26°C (-15°F) and peaking at only 7°C (45°F), averaging -4°C (25°F). Precipitation is reduced to 41 mm (1.6 in) over 11 days, but the humidity remains high at 95%. This stark contrast highlights how October offers milder, wetter weather compared to the biting cold and lower precipitation typical of March. For more details, you can explore Oulu weather in March.
When comparing the weather in October and April, notable differences emerge. October experiences a wider temperature range, with minimums around -12°C (10°F) and maximums reaching up to 18°C (64°F), whereas April is slightly cooler, with temperatures ranging from -13°C (9°F) to a maximum of 14°C (57°F). Precipitation is also significantly higher in October, averaging 81 mm (3.2 in) over 15 days, compared to April’s more modest 38 mm (1.5 in) over just 7 days. Additionally, October boasts higher humidity levels at 95%, while April’s humidity stands at 87%. For a closer look at April weather specifics, check out Oulu weather in April.
October and May present contrasting weather patterns that reflect the transitional nature of spring and autumn. In October, temperatures range from a chilly -12°C (10°F) to a maximum of 18°C (64°F), with an average of only 4°C (40°F), making it feel quite cold. The month also sees significant precipitation, with around 81 mm (3.2 in) over 15 days, accompanied by high humidity at 95%. In contrast, May offers a more moderate climate, with temperatures stretching from a minimum of -6°C (21°F) to a pleasant 27°C (80°F) and an average of 7°C (45°F). Rainfall is lighter in May, totaling 49 mm (1.9 in) across only 8 days, and humidity levels are lower at 81%. For more details on May weather, visit Oulu weather in May.
In October, the weather is significantly cooler than in June, with temperatures ranging from a chilly -12°C (10°F) to a mild 18°C (64°F), while the average temperature hovers around 4°C (40°F). In contrast, June offers a warmer climate, with temperatures from a minimum of 1°C (34°F) to a maximum of 29°C (85°F) and an average of 14°C (58°F). Additionally, October experiences more rainfall, totaling 81 mm (3.2 in) over about 15 days, compared to June's 60 mm (2.4 in) spread over just 9 days. The humidity is also higher in October at 95%, whereas June maintains a lower humidity level of 77%. For a deeper look at the weather patterns, you can check out Oulu weather in June.
In October, the weather in Oulu is notably cooler, with temperatures ranging from a chilly -12°C (10°F) at night to a mild 18°C (64°F) during the day, resulting in an average of only 4°C (40°F). This month experiences higher humidity at 95% and more frequent rainfall, with precipitation occurring on 15 days and totaling 81 mm (3.2 in). In contrast, July offers much warmer temperatures, with lows of 4°C (39°F) and highs reaching up to 32°C (90°F), averaging around 17°C (63°F). Additionally, July has less precipitation at 73 mm (2.9 in) over 11 days and a lower humidity of 79%. For a more detailed look at the weather patterns, check out Oulu weather in July.
In October, temperatures in Oulu drop significantly, ranging from a chilly minimum of -12°C (10°F) to a maximum of 18°C (64°F), with an average of just 4°C (40°F). In contrast, August enjoys much milder weather, with temperatures varying from a minimum of 1°C (34°F) to a warm maximum of 31°C (88°F) and an average of 14°C (58°F). While both months experience considerable precipitation—81 mm (3.2 in) in October and 91 mm (3.6 in) in August—October has a slightly higher humidity level at 95%, compared to August’s 84%. For more details on August's climate, visit Oulu weather in August.
October's weather presents a marked shift from September, with average temperatures dropping significantly from 10°C (49°F) in September to just 4°C (40°F) in October. The minimum temperature in October can plummet to -12°C (10°F), compared to a milder low of -4°C (24°F) in September. Additionally, October sees slightly more precipitation, with 81 mm (3.2 in) over 15 days, compared to September's 71 mm (2.8 in) over 13 days. Humidity also rises in October to an average of 95%, higher than September's 90%. For more insights on September's weather, visit Oulu weather in September.
October weather is characterized by a wider temperature range, with minimums of -12°C (10°F) and maximums reaching 18°C (64°F), resulting in an average temperature of 4°C (40°F). The month sees 81 mm (3.2 in) of precipitation over 15 days, maintaining a high humidity level of 95%. In contrast, November brings colder temperatures, with minimums dropping to -18°C (0°F) and maximums capping at 9°C (49°F), leading to a significant average of -1°C (31°F). Although precipitation decreases to 62 mm (2.4 in) over 13 days, the humidity remains constant at 95%. For more detailed information about the weather conditions in November, you can visit Oulu weather in November.
In October, temperatures in Oulu range from a chilly -12°C (10°F) at night to a milder 18°C (64°F) during the day, averaging around 4°C (40°F). The month experiences 81 mm (3.2 in) of precipitation over 15 days, with humidity levels at a high 95%. In contrast, December brings a more severe cold, with nighttime lows plunging to -24°C (-12°F) and daytime highs reaching only 4°C (40°F), averaging -5°C (24°F). The overall precipitation decreases to 58 mm (2.3 in) across 14 days, while humidity slightly increases to 99%. For more details, you can check out Oulu weather in December.
October in Oulu marks a stark transition into the colder months, showcasing a blend of crisp air and frequent rain as the landscape prepares for winter. With temperatures dropping significantly, this month stands out with cooler averages and an increased likelihood of frost, contrasting sharply with the milder conditions of late summer. The high humidity coupled with an average of 15 rainy days adds to the chilly atmosphere, creating a unique experience for residents and visitors alike. As the days grow shorter, October's blend of temperatures and precipitation enriches the vibrant autumnal scenery, making it a captivating time to explore the natural beauty of the region. For a deeper understanding of what to expect throughout the year, visit Oulu Climate.