Last updated: August 21, 2025
October in Turku, Finland ushers in a season of transformation, where the landscape shifts under the embrace of cooler temperatures and increased precipitation. This month showcases a maximum temperature of 17°C (63°F), but averages around a crisp 7°C (45°F), dipping to a chilly minimum of -6°C (21°F). With 78 mm (3.1 in) of rain spread over 15 days, expect a variety of weather patterns, often embraced by 90% humidity. As autumn deepens, the tranquil beauty of Turku invites both residents and visitors to experience its serene charm amidst the vibrant fall foliage.
As October rolls into Turku, Finland, temperatures begin to reflect the transition into the colder months. With average temperatures around 7°C (45°F), the city experiences cooler days compared to the mildness of late summer. Morning frosts are not uncommon, as minimum temperatures dip to -6°C (21°F), while the afternoons can still reach a pleasant maximum of 17°C (63°F). This sharp decrease, following the warmer September climate, highlights a clear trend of declining temperatures, setting the stage for the approaching winter. As the leaves turn and the air cools, Turku embraces the beauty of autumn while preparing for the chillier season ahead.
In October, Turku experiences a noticeable uptick in precipitation, with 78 mm (3.1 in) of rainfall across roughly 15 days of the month. This marks an increase from September's 69 mm and reflects the onset of late autumn, where rainy days become more frequent. As the region transitions from the warmer summer months—where July and August see peaks in rainfall—October establishes itself as a month where the weather takes a turn towards the wetter side, paving the way for the chillier November ahead. This pattern underscores the increasing prevalence of rainy days, making October a pivotal month for preparing for the wintry conditions that lie just beyond.
In October, Turku, Finland experiences a notable return to higher humidity levels, reaching 90%, reminiscent of the damp winter months ahead. Following a slight dip during the summer, when humidity hovered around 77-79%, the air begins to feel heavy again as fall deepens. This October reading marks a significant increase from September's 86%, indicating that the transition from autumn toward winter is characterized by a gradual rise in moisture. As the crisp air of October envelops the city, this humidity serves as a reminder of the long, chilly season approaching, where moisture will be a persistent companion in Turku’s atmospheric tapestry.
As October arrives in Turku, Finland, the UV Index dips to 2, categorizing sun exposure as low and allowing for a comfortable 45 minutes of burn time with minimal risk. This transition marks a clear decline in UV levels from the summer months, where indices peaked at 7 in June and July, signaling the need for heightened caution during outdoor activities. In contrast, October offers a reprieve, reminiscent of earlier months like January and February, which also feature low UV levels. It's a time to enjoy the scenery without the intense sun exposure of summer. For a comprehensive understanding of the UV Index trends throughout the year, visit Turku UV Index.
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October in Turku, Finland brings a delightful 209 hours of sunshine, marking a distinct transition as the days grow shorter. After basking in the summer's generous glow, which peaked in June with nearly 495 hours of light, the autumn months gently decline in brightness. The sunlit hours in October reflect a notable decrease from September's 313 hours, signaling the shift into the heart of fall. This pattern continues into the winter months, where November and December drop sharply to only 126 and 67 hours respectively. Thus, October offers a charming balance—a last embrace of golden light before the cozy, darker months take hold, inviting residents and visitors alike to savor the crisp air and vibrant autumn colors.
In October, Turku, Finland experiences a notable decline in sunny weather, with only a 17% chance of sunshine. This marks a significant drop compared to the earlier months, particularly June and July, where the likelihood of sun peaks at 55% and 56% respectively. As autumn deepens, the sunny spells become more elusive, mirroring the fading long summer days. This trend highlights a shift toward cloudier and wetter conditions, making October a time for cozy indoor activities rather than basking in the sun. The gradual transition from the vibrant blue skies of summer to the more overcast autumn landscape is a reminder of the changing seasons in this charming Finnish city.
In Turku, Finland, October marks a gentle transition as daylight hours begin to wane, offering a stark contrast to the lush brightness of summer. With 10 hours of daylight, this month continues the downward trend observed since August, when the days were still lengthy at 15 hours. Following the vibrant spring and summer months—where June and July bask in nearly 18 hours of sunlight—October signals the shift towards winter, where daylight gradually diminishes, culminating in the short days of November and December, which see only 7 and 5 hours respectively. As the leaves change color and the air turns crisp, October serves as a reflective pause, hinting at the cozy, darker months ahead while still granting ample opportunity to enjoy the beauty of the season.
As autumn deepens, October brings a noticeable shift in Turku's wind patterns, with an average wind speed of 4.5 m/s (10 mph), marking it as the windiest month of the year. This increase in breeze is a contrast to the calmer summer months, where winds dipped to 2.9 m/s (6 mph) in June, suggesting a seasonal transition that invigorates the landscape. The winds gradually strengthened through the spring and into early fall, echoing the changing dynamics of the season. As October progresses, the crisp, invigorating winds can feel refreshing, heralding the approaching winter.
Weather in Turku varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Turku, focusing on differences in temperature, rainfall, humidity, and UV levels.
October and January present stark contrasts in weather conditions. In October, temperatures range from a minimum of -6°C (21°F) to a maximum of 17°C (63°F), with an average of 7°C (45°F). This month sees 78 mm (3.1 in) of precipitation over 15 days, coupled with high humidity levels at 90%. Conversely, January experiences much colder temperatures, with a minimum of -25°C (-13°F) and a maximum of 8°C (47°F), averaging around -2°C (28°F). Precipitation is lower in January, totaling 48 mm (1.9 in) over just 9 days, while humidity remains high at 92%. For more details, visit Turku weather in January.
October and February present contrasting weather conditions. In October, temperatures range from a chilly -6°C (21°F) at night to a mild 17°C (63°F) during the day, with an average of 7°C (45°F). This month experiences more precipitation, with about 78 mm (3.1 in) falling over 15 days, while humidity remains consistently high at 90%. In stark contrast, February brings much colder temperatures, dropping to a minimum of -24°C (-11°F) and reaching a maximum of 7°C (45°F), with an average temperature of -3°C (26°F). Precipitation is lower in February, totaling 42 mm (1.7 in) over just 8 days, though humidity remains the same at 90%. For more detailed information, you can visit Turku weather in February.
When comparing the weather in October and March, notable differences emerge. October generally has milder temperatures, with a minimum of -6°C (21°F) and an average of 7°C (45°F), reaching a maximum of 17°C (63°F). In contrast, March experiences a chillier climate, with temperatures dipping as low as -25°C (-12°F) and averaging around 0°C (31°F). Precipitation is more frequent in October, with 78 mm (3.1 in) over 15 days, while March sees less rainfall at 45 mm (1.8 in) over 10 days. Humidity levels are slightly higher in October at 90%, compared to 89% in March. For a detailed look at March weather specifics, you can visit Turku weather in March.
When comparing the weather in October to that in April, notable differences emerge. October generally experiences milder temperatures, with an average of 7°C (45°F) and a maximum of 17°C (63°F), while April is cooler overall, with an average of 4°C (40°F) and a maximum of 21°C (71°F). Precipitation levels are higher in October, totaling 78 mm (3.1 in) over 15 days, compared to April, which sees 34 mm (1.3 in) over just 9 days. Humidity is slightly higher in October at 90%, compared to 85% in April, contributing to the moister feel of the fall month. For more details, you can check Turku weather in April.
October and May present distinct weather contrasts. In October, temperatures range from a chilly -6°C (21°F) to a mild 17°C (63°F), with an average of 7°C (45°F), while May enjoys a broader temperature range of -5°C (24°F) to a warm 28°C (83°F), averaging at 10°C (50°F). Precipitation levels are higher in October, with 78 mm (3.1 in) falling over 15 days, compared to May's 48 mm (1.9 in) over 10 days. Additionally, October's humidity level is notably higher at 90%, in contrast to May's 77%. For more detailed information on May weather, you can refer to Turku weather in May.
In comparing the weather between October and June, one can note significant differences in temperature and precipitation. October sees average temperatures ranging from a chilly 7°C (45°F), with a minimum of -6°C (21°F) and a maximum of 17°C (63°F), while June offers a much warmer average of 16°C (61°F), ranging from a low of 2°C (36°F) to a high of 30°C (86°F). Additionally, October is notably wetter, with 78 mm (3.1 in) of precipitation over 15 days, compared to June's 45 mm (1.8 in) falling over just 7 days. The humidity is higher in October at 90%, while June maintains a lower humidity level of 78%. For more detailed insights into the weather specifically in Turku during June, you can visit Turku weather in June.
When comparing the weather of October to that of July, notable differences emerge. October tends to be much cooler, with average temperatures hovering around 7°C (45°F) and maximums reaching only 17°C (63°F), while July boasts much warmer averages of 18°C (64°F) to highs of 33°C (91°F). Additionally, October experiences a higher humidity level of 90%, contributing to a damp and chilly atmosphere, in contrast to July's more comfortable 78% humidity. Precipitation is relatively similar, with October receiving 78 mm (3.1 in) over 15 days and July slightly ahead at 85 mm (3.4 in) over just 11 days. For more detailed information about July weather, you can visit Turku weather in July.
In October, temperatures in Turku are significantly cooler, with minimums dropping to -6°C (21°F) and averaging around 7°C (45°F), compared to the warmer August, which sees minimums at 4°C (40°F) and averages of 16°C (62°F). While October experiences a maximum of 17°C (63°F), August can reach up to 29°C (84°F), showcasing a stark contrast in warmth between the two months. Additionally, October has a higher humidity level at 90% and receives about 78 mm (3.1 in) of precipitation over 15 days, whereas August, with its 79% humidity, records slightly higher precipitation at 95 mm (3.7 in) over 13 days. For more details on August weather in Turku, visit Turku weather in August.
October experiences cooler temperatures compared to September, with average highs dropping from 23°C (74°F) in September to 17°C (63°F) in October. The minimum temperatures also decrease, going from -3°C (28°F) to -6°C (21°F). Additionally, October sees increased precipitation, with 78 mm (3.1 in) over 15 days, compared to 69 mm (2.7 in) over 12 days in September. Humidity levels are slightly higher in October at 90%, up from 86% in September, contributing to the chillier and wetter conditions. For a more detailed comparison of the weather in September, visit Turku weather in September.
October and November showcase a gradual transition in weather, with November generally being colder and characterized by lower average temperatures. In October, temperatures range from a minimum of -6°C (21°F) to a maximum of 17°C (63°F), while November sees a drop with minimum temps reaching -9°C (15°F) and maximums capping at 13°C (56°F). Precipitation also decreases from 78 mm (3.1 in) over 15 days in October to 54 mm (2.1 in) across 10 days in November. Interestingly, November maintains a slightly higher humidity level at 91%, compared to October's 90%. For more details on specific weather patterns, visit Turku weather in November.
In comparison, October weather tends to be milder than December's, with temperatures averaging around 7°C (45°F) and ranging from a minimum of -6°C (21°F) to a maximum of 17°C (63°F). In contrast, December sees much colder temperatures, with an average of 0°C (31°F) and lows plummeting to -21°C (-5°F). Precipitation is similar between the two months, with October receiving about 78 mm (3.1 in) over 15 days and December slightly less at 74 mm (2.9 in) over 14 days. Despite the chill, December humidity remains high at 89%, just slightly lower than October's 90%. For more detailed information on December weather specifics, you can visit Turku weather in December.
As October unfolds in Turku, the weather takes on a unique character that distinguishes it from the milder months preceding it. With a marked drop in temperatures and an increase in humidity, residents experience the transition into the heart of autumn. This month is typically wetter, with frequent rainy days that can transform the landscape into a moody tapestry of colors. The average chill sets a refreshing yet brisk tone, inviting layers of clothing and hot beverages to the forefront. For those eager to explore the enchanting autumn scenery, October's variable weather offers a richer experience, making it a notable time for both locals and visitors. For detailed insights on the overall climate, be sure to check out Turku Climate.