October Weather in Vaasa, Finland

Last updated: August 21, 2025

October in Vaasa, Finland offers a captivating transition from the final warm days of autumn into the crisp embrace of winter. With maximum temperatures reaching a pleasant 17°C (64°F), and an average hovering around 6°C (43°F), locals and visitors alike can enjoy the beautiful fall foliage. However, nighttime chills can make temperatures dip as low as -9°C (17°F). This month sees 84 mm (3.3 in) of precipitation spread across 15 days, contributing to the landscape's dramatic character and high humidity levels at 92%. As the days grow shorter and the air turns brisk, October encapsulates the enchanting essence of Finnish autumn.

October Temperature in Vaasa

As October arrives in Vaasa, Finland, the temperatures start to cool significantly, reflecting the transition into winter. With minimums dropping to -9°C (17°F) and average highs reaching only 17°C (64°F), the crisp air signals the approach of frost. While the average temperature settles at around 6°C (43°F), brisk winds and occasional rain can make it feel even chillier. This month showcases a stark contrast to the milder temperatures of September, which had an average of 11°C (52°F). As the foliage changes and days grow shorter, October in Vaasa paints a picturesque scene of vibrant autumn hues, inviting residents and visitors to embrace the coming season's charm, albeit with warmer jackets and cozy layers.

October Weather in Vaasa: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Vaasa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Vaasa, October typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec262429374758636052433629
Data source: Temperature data for Vaasa generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

October Precipitation in Vaasa

October in Vaasa, Finland, marks a significant shift in the weather, characterized by a notable increase in precipitation. With 84 mm (3.3 in) of rainfall, October's totals mirror the preceding August and September, both of which also recorded high levels, but it stands out as the month with the most precipitation days at 15 days. This surge aligns with the transition into autumn, emphasizing a trend of wetter conditions as the year approaches its end. The rainfall not only enriches the local environment but also highlights a pattern of increasing moisture leading into the colder months, as November and December show a decrease in precipitation but still maintain a considerable amount. As nature continues its cycle, October serves as a reminder of the changing seasons in this vibrant Finnish locale.

October Precipitation Trends in Vaasa

The chart displays monthly precipitation patterns in Vaasa, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Vaasa, October typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec394341394257598475845753
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Vaasa

In October, Vaasa, Finland experiences a notable increase in humidity, with levels reaching 92%. This slight uptick follows a trend of notable humidity throughout the year, beginning with the peak of 95% in January and gradually decreasing to a low of 74% in June. As the seasons shift, humidity begins to rise again, culminating in September's 88% before stabilizing in October alongside November. The return to higher humidity levels in the fall suggests a transition towards the more humid winter months, where warmth gives way to moisture-laden air, making October a pivotal point in Vaasa's climatic rhythm.

October Average Humidity in Vaasa

This chart illustrates the average monthly humidity levels in Vaasa, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Vaasa is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec95%93%91%85%77%75%80%82%88%92%92%93%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Vaasa

In October, the UV Index in Vaasa, Finland, drops to 2, characterized as a low exposure category, which allows for a relatively safe outdoor experience with a burn time of 45 minutes. This marks a decrease from the summer months, where the index peaked at 6, indicating high risk. As the days grow shorter and the sun's intensity wanes, residents can enjoy the autumn scenery without the heightened concerns of sunburn. The gradual decline from moderate levels in the warmer months underscores a clear seasonal trend in UV exposure. For those looking to stay informed about the UV levels throughout the year, more details can be found at Vaasa UV Index.

Maximum UV Index Levels in Vaasa for October

The chart shows the monthly maximum UV Index (UVI) for Vaasa in October, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In October, the maximum UV index in Vaasa typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113356653211
Data source: Vaasa October UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

October Sunshine in Vaasa

In Vaasa, Finland, the month of October brings a serene transition as the days begin to shorten, accumulating 201 hours of sunshine. This marks a notable decline compared to the sun-drenched summer months, with June basking in 509 hours and July not far behind at 501 hours. As autumn settles in, the brightness gradually wanes, leading to a sharp contrast with the earlier months; for instance, October's sunshine is significantly less than the more luminous April and May. While October still offers a respectable amount of daylight, it's a gentle reminder of the impending winter, where sunlight will dwindle even further, dropping to just 105 hours in November. This trend showcases the beautiful yet gradual fade of summer's warmth, inviting residents and visitors alike to savor the crisp, vibrant colors of fall under the soft glow of autumn sun.

Monthly Sunshine Duration in Vaasa: October Highlighted

The October sunshine duration represents the total number of hours Vaasa experiences direct sunlight during the month of October, excluding cloudy or obstructed periods. This chart compares the sunshine duration of October with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec48h148h274h362h463h509h501h430h298h201h105h44h
Data source: Vaasa October Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Vaasa During October

In Vaasa, Finland, October sees a significant dip in the likelihood of sunny weather, with only a 15% chance of sunshine. This is a notable contrast to the brighter summer months, where July peaks at 55%, showcasing how the warm season rapidly transitions into the cooler, cloudier days of autumn. As September also offers just 24% sunshine, it hints at the approaching winter, making October relatively subdued for sun seekers. The trend of diminishing sunlight continues, highlighting the change in seasons and inviting residents and visitors alike to prepare for more overcast days as the year draws to a close.

Percentage of Sunny Days in October in Vaasa

The chart illustrates the percentage of sunny days in Vaasa throughout the year, with October highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Vaasa experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec5%27%42%50%35%47%55%36%24%16%27%20%
Data source: Vaasa October chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Vaasa in October

As autumn settles in Vaasa, Finland, the daylight hours begin to gently wane, with October offering a glimpse of 9 hours of sunlight. This marks a gradual decline from the sun-drenched days of summer, where the city basked in up to 20 hours of daylight in June. Following a vibrant spring and early summer, the months leading up to October exhibit a clear trend of decreasing brightness, as daylight shifts from full bloom in May to more muted hours. While the crisp October air signals the approach of winter, it also provides a reminder of the beautiful seasonal rhythm, where each month showcases the delicate dance between light and darkness, setting the stage for the deeper hibernation of the coming winter months.

Average Daylight Hours in Vaasa for October

The chart illustrates the variation in daylight duration in Vaasa throughout the year, with October highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec5h 53m8h 43m11h 50m15h18h 6m20h 6m18h 59m16h 1m12h 53m9h 46m6h 44m4h 50m
Data source: Vaasa daylight hours, calculated by summing the hours between sunrise and sunset for each day.

October Winds in Vaasa

As October breezes sweep through Vaasa, Finland, the wind picks up, reaching an average speed of 4.8 m/s (11 mph). This increase marks a noticeable shift from the calmer summer months, where wind speeds dipped to around 3.2 to 3.6 m/s from July to September. With the arrival of autumn, the wind becomes a more prominent feature, enhancing the crispness of the air and signaling the transition toward winter. October stands out not only for its invigorating gusts but also as a precursor to the shifting patterns of the coming months, where wind speeds generally stabilize around 4.0 m/s in December, suggesting a dynamic seasonal interplay in this coastal town.

Average October Wind Speed in Vaasa

The chart displays monthly wind speed patterns in Vaasa, with values for each month shown alongside October's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how October's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.53.54.54.03.43.33.23.63.64.8 m/s3.94.0
Data source: Vaasa October wind data, generated using information from the Copernicus Climate Change Service.

How October Weather in Vaasa Compares to Other Months

Weather in Vaasa varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Vaasa, focusing on differences in temperature, rainfall, humidity, and UV levels.

October and January present strikingly different weather conditions. In October, you can expect milder temperatures with a minimum of -9°C (17°F), an average of 6°C (43°F), and a maximum of 17°C (64°F). The month sees more precipitation, totaling 84 mm (3.3 in) over 15 days, and a humidity level of 92%. In contrast, January is much colder, with temperatures ranging from a minimum of -24°C (-11°F) to a maximum of 8°C (47°F), and an average of -3°C (26°F). Precipitation decreases significantly to 38 mm (1.5 in) over just 9 days, while humidity remains high at 95%. For a more detailed look at January weather specifically, visit Vaasa weather in January.

When comparing the weather in October and February, it's clear that October presents milder temperatures, with an average of 6°C (43°F) and a maximum of 17°C (64°F), while February is significantly colder, featuring an average of -5°C (24°F) and a maximum of just 7°C (44°F). Precipitation is more frequent in October, with rain on approximately 15 days and a total of 84 mm (3.3 in) compared to February's 43 mm (1.7 in) over just 7 days. Interestingly, both months have high humidity levels, with October at 92% and February slightly higher at 93%. For a detailed look at February's weather specifics in Vaasa, you can refer to Vaasa weather in February.

In comparing the weather of October and March, distinct differences emerge. October experiences milder temperatures, with an average of 6°C (43°F) and a minimum of -9°C (17°F), while March is significantly colder, with an average of -1°C (30°F) and a minimum plummeting to -25°C (-13°F). Precipitation levels are higher in October, reaching 84 mm (3.3 in) over 15 days, compared to March's 41 mm (1.6 in) over 11 days. Humidity remains relatively constant in both months, at around 92% for October and 91% for March. For more specific insights on March weather, you can refer to Vaasa weather in March.

When comparing the weather in October and April, notable differences emerge in temperature and precipitation patterns. In October, temperatures range from a low of -9°C (17°F) to a maximum of 17°C (64°F), with an average of 6°C (43°F) and a high humidity level of 92%. This month typically sees more precipitation, totaling 84 mm (3.3 in) over about 15 days. In contrast, April experiences slightly colder minimum temperatures, dipping to -13°C (9°F) and a maximum of 21°C (70°F), with an average temperature of 3°C (37°F). Precipitation in April is significantly lower, at just 39 mm (1.5 in) over 7 days, and humidity is also slightly reduced at 85%. Overall, while both months can be chilly, October brings more rain and a higher humidity level compared to the drier and milder conditions of April. For more details, you can check out Vaasa weather in April.

October and May present quite contrasting weather conditions. In October, temperatures can plummet to a minimum of -9°C (17°F) and average around 6°C (43°F), with a maximum reaching 17°C (64°F). This month also sees significant precipitation, totaling 84 mm (3.3 in) over approximately 15 days, coupled with high humidity levels of 92%. In contrast, May offers a milder climate, with temperatures ranging from a minimum of -4°C (26°F) to an average of 8°C (47°F) and peaking at 25°C (78°F). Precipitation is much lower in May, at 42 mm (1.6 in) over just 7 days, and the humidity is more comfortable at 77%. For a detailed overview, you can check Vaasa weather in May.

In comparing the weather of October and June, it's evident that June boasts much warmer temperatures, with a minimum of 1°C (34°F) and an average of 15°C (59°F), peaking at a maximum of 29°C (85°F). In contrast, October's temperatures are significantly cooler, ranging from a frigid minimum of -9°C (17°F) to an average of 6°C (43°F), with highs reaching only 17°C (64°F). Additionally, while both months experience rainfall, October sees more precipitation at 84 mm (3.3 in) over 15 days, compared to June's 57 mm (2.2 in) across just 10 days. The humidity levels also differ, with October being more humid at 92%, reflecting the transitional nature of autumn, as opposed to June's more comfortable 74%. For those interested in more specifics about June weather, you can find additional details here: Vaasa weather in June.

The weather in October is notably cooler and wetter compared to July. With temperatures ranging from a minimum of -9°C (17°F) to a maximum of 17°C (64°F), October averages around 6°C (43°F), while July enjoys milder temperatures between 5°C (42°F) and a warm maximum of 32°C (90°F), with an average of 17°C (63°F). Additionally, October sees higher precipitation levels, with 84 mm (3.3 in) over 15 days, compared to July's 59 mm (2.3 in) of rain over just 10 days. Humidity is also higher in October at 92%, compared to July’s 80%, contributing to the distinctively crisp and damp feel of autumn. For more detailed information about July weather, you can check Vaasa weather in July.

October weather contrasts significantly with August, showcasing a notable drop in temperature and an increase in chill. While August boasts milder conditions with average temperatures around 15°C (60°F) and highs reaching 29°C (85°F), October presents a much cooler environment, with average temperatures plummeting to 6°C (43°F) and maximums capping at 17°C (64°F). Both months receive similar amounts of precipitation at 84 mm (3.3 in), but October experiences slightly more rainy days (15) compared to August's 13 days. Additionally, the humidity is higher in October at 92%, compared to August's 82%, contributing to a more damp and crisp atmosphere. For a closer look at August weather specifics, you can check out Vaasa weather in August.

In comparing the weather of October and September, it's evident that October experiences a more significant drop in temperatures, with average highs reaching only 17°C (64°F) compared to September's warmer 24°C (75°F). The minimum temperatures also reflect this shift, plummeting to -9°C (17°F) in October, while September's lows hover at a mild 0°C (32°F). Additionally, October sees increased precipitation at 84 mm (3.3 in) over 15 days compared to September's 75 mm (2.9 in) over 13 days. Humidity levels are slightly higher in October at 92%, versus September's 88%, contributing to a much cooler and damp atmosphere. For more details, check out Vaasa weather in September.

October and November present quite a contrast in weather patterns. In October, temperatures range from a minimum of -9°C (17°F) to a maximum of 17°C (64°F), with an average of 6°C (43°F). The month experiences considerable precipitation, totaling 84 mm (3.3 in) over 15 days, coupled with high humidity at 92%. In comparison, November sees a more pronounced drop in temperatures, with minimums reaching -17°C (2°F) and maximums only reaching 12°C (53°F), averaging at 2°C (36°F). Although precipitation decreases to 57 mm (2.2 in) over 10 days, humidity remains consistent at 92%. For more detailed information, you can explore Vaasa weather in November.

October and December present stark contrasts in weather conditions. In October, temperatures range from a chilly -9°C (17°F) to a mild 17°C (64°F), with an average of 6°C (43°F) and relatively high humidity at 92%. The month sees about 84 mm (3.3 in) of precipitation over 15 days. In comparison, December experiences much colder temperatures, with a minimum of -24°C (-11°F), an average of -2°C (29°F), and a maximum of 6°C (43°F). Precipitation decreases to 53 mm (2.1 in) over 14 days, and humidity remains high at 93%. For more details about December weather in Vaasa, visit Vaasa weather in December.

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Conclusion: What to Expect From October Weather in Vaasa

As October unfolds in Vaasa, the weather transforms, bringing a crispness that sets it apart from the preceding months. With average temperatures dipping to a chilly 6°C, the transition from moderate warmth to brisk coolness becomes unmistakable. While the month still experiences some lively rainfall, amounting to 84 mm over approximately 15 days, the heavy humidity hangs in the air, creating a unique ambiance. This blend of factors creates a distinct character for October, inviting residents and visitors alike to embrace the arrival of autumn. For an in-depth look at how this month fits into the broader climate patterns, visit Vaasa Climate.