October Weather in Tallinn, Estonia

Last updated: August 21, 2025

October in Tallinn, Estonia, brings a rich tapestry of autumn weather that is both gentle and invigorating. With temperatures averaging around 8°C (47°F), daily highs can reach a pleasant 17°C (64°F), while chilly nights can dip to a brisk -2°C (29°F). This month is also characterized by frequent rainfall, totaling about 100 mm (3.9 in) over 17 days, contributing to the overall 90% humidity. As the leaves turn vibrant shades and the crisp air settles in, October offers a captivating experience for those exploring this stunning Baltic capital.

October Temperature in Tallinn

As October unfolds in Tallinn, Estonia, temperatures begin to dip, marking the transition from the mildness of early autumn to the chill of approaching winter. The average temperature settles around 8°C (47°F), while the mercury ranges from a brisk -2°C (29°F) at night to a pleasant 17°C (64°F) during the day. This month serves as a delightful bridge, inviting layers as the days grow shorter and the air takes on a crisp edge. With these moderate conditions, October is ideal for exploring Tallinn’s enchanting old town, where the vibrant hues of autumn foliage complement the rich history of the city. As the month progresses, you'll notice a trend towards cooler evenings, preparing you for the frosty months ahead.

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

The chart illustrates October temperature patterns in Tallinn, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tallinn, 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).
JanFebMarAprMayJunJulAugSepOctNovDec302833404960646255474032
Data source: Temperature data for Tallinn 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 Tallinn

In October, Tallinn experiences a notable uptick in precipitation, with the city receiving approximately 100 mm (3.9 in) of rain over 17 days, marking it as one of the wetter months in the annual cycle. This substantial rainfall signals the transition toward winter, with October's precipitation levels closely following the trend set by the previous month, September, which brought 78 mm (3.1 in) of rain over 15 days. Interestingly, the increase in both the amount and the number of rainy days indicates a shift towards more persistent autumn weather, making October a time when umbrellas become a staple for locals. This pattern underscores the gradual build-up of moisture that characterizes the Estonian climate as it moves away from the warm summer months.

October Precipitation Trends in Tallinn

The chart displays monthly precipitation patterns in Tallinn, 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 Tallinn, October typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec44484742545568102781005860
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Tallinn

As autumn settles in Tallinn, October brings a noticeable shift in humidity levels, stabilizing at 90%, which is consistent with the trends seen during earlier months of the year. After enjoying a slight decline to 76% in May, humidity steadily climbs back, peaking in the colder months of winter. This moderate level of humidity reflects the city's transition into the dusky fall season, where the air becomes crisp yet moist, creating a unique atmospheric charm. With averages hovering near 90% in both October and December, Tallinn's climate remains deeply influenced by its maritime surroundings, urging residents and visitors alike to embrace the layering of cozy attire.

October Average Humidity in Tallinn

This chart illustrates the average monthly humidity levels in Tallinn, 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 Tallinn is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%91%90%87%76%80%80%83%87%90%91%90%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Tallinn

As October rolls into Tallinn, Estonia, the UV Index dips to a moderate 2, marking a shift from the higher summer readings. With an exposure category of low this month, residents and visitors can generally enjoy outdoor activities with minimal sun protection concerns, as the risk of overexposure is significantly reduced. Burn time extends to a comfortable 45 minutes, allowing ample time to relish the crisp autumn air. This trend of decreasing UV levels continues from the sweltering summer months, offering a gentle reminder of the changing seasons. For more details on UV exposure throughout the year, check out Tallinn UV Index.

Maximum UV Index Levels in Tallinn for October

The chart shows the monthly maximum UV Index (UVI) for Tallinn 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 Tallinn typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113457754211
Data source: Tallinn 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 Tallinn

As October rolls in, Tallinn basks in the delightful glow of 206 hours of sunshine, providing a vibrant contrast to the dimming days of November ahead. The month marks a significant drop from the summer's peak, yet it still outshines the winter months that follow, such as November's mere 121 hours and December's 64 hours. This transitional period sees a gradual decline in sunlight, having reached a high of 488 hours in June and 481 hours in July, giving way to the shorter, cloudier autumn days. Even as the days grow shorter, October's gentle light offers a warm farewell to the sun-filled months, inviting residents and visitors alike to enjoy the crisp autumn air amidst the beautiful backdrop of Tallinn's historic charm.

Monthly Sunshine Duration in Tallinn: October Highlighted

The October sunshine duration represents the total number of hours Tallinn 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.
JanFebMarAprMayJunJulAugSepOctNovDec61h157h268h367h452h488h481h408h303h206h121h64h
Data source: Tallinn October Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Tallinn During October

As October unfolds in Tallinn, Estonia, the chances of sunny weather dip to 22%, reflecting a subtle decline from the sunnier months of summer. This month falls near the transition between autumn's crisp embrace and winter's chill, a time when overcast skies become more common. While March and April see a budding optimism with their rising sun percentages, summer reaches its peak with 58% in July before gradually waning. October, therefore, signals a gentle shift towards more variable weather, where the fading warmth of early autumn may still offer glimpses of sunshine amidst the increasing cloud cover, making each bright day a cherished surprise.

Percentage of Sunny Days in October in Tallinn

The chart illustrates the percentage of sunny days in Tallinn 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 Tallinn experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec5%15%35%43%33%55%58%33%28%22%21%13%
Data source: Tallinn October chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Tallinn in October

As autumn settles in Tallinn, October brings a gentle decline in daylight duration, with the sun gracing the city for about 10 hours each day. This marks a transition from the vibrant, sun-kissed days of summer, where daylight peaked at 18 hours in June, towards the more subdued winter months. Following the bright days of September with 12 hours of light, October serves as a poignant reminder of the encroaching darkness, a shift that will continue into November with just 7 hours of daylight. The gradual retreat of sunlight in these months invites residents to embrace the cozy warmth of indoor spaces, while still holding onto the crisp beauty of the season’s change.

Average Daylight Hours in Tallinn for October

The chart illustrates the variation in daylight duration in Tallinn throughout the year, with October highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec6h 55m9h 12m11h 51m14h 34m17h 4m18h 31m17h 44m15h 25m12h 46m10h 6m7h 35m6h 8m
Data source: Tallinn daylight hours, calculated by summing the hours between sunrise and sunset for each day.

October Winds in Tallinn

As October sweeps into Tallinn, it brings with it a notable uptick in wind speed, averaging 6.1 m/s (14 mph), the highest of the year. This breezy month signals a shift in the seasons, as the winds pick up noticeably from the summer's gentler breezes, which hovered around 3.3 to 5.0 m/s. The transition into autumn not only invigorates the atmosphere but also sets the stage for cooler days ahead. With the winds gaining strength, residents and visitors alike can expect a refreshing backdrop as they explore the city’s charming streets and vibrant fall colors. This October wind, with its brisk and lively nature, invites all to embrace the changing scenery.

Average October Wind Speed in Tallinn

The chart displays monthly wind speed patterns in Tallinn, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.54.45.54.94.23.33.95.05.06.1 m/s5.65.0
Data source: Tallinn October wind data, generated using information from the Copernicus Climate Change Service.

How October Weather in Tallinn Compares to Other Months

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

October and January present quite a contrast in weather conditions. In October, temperatures range from a chilly -2°C (29°F) at night to a mild 17°C (64°F) during the day, with an average temperature of 8°C (47°F). The month experiences substantial precipitation, with about 100 mm (3.9 in) falling over 17 days and high humidity at 90%. In stark comparison, January is much colder, with nighttime lows plummeting to -16°C (3°F) and daytime highs only reaching 8°C (46°F), resulting in an average temperature of -1°C (30°F). This month sees significantly less precipitation at 44 mm (1.7 in) over 11 days and slightly higher humidity at 92%. For more information, check out Tallinn weather in January.

October weather features a milder temperature range, with minimums around -2°C (29°F) and maximums reaching 17°C (64°F), along with an average of 8°C (47°F). The month is relatively wet, with about 100 mm (3.9 in) of precipitation spread over 17 days, and a high humidity level of 90%. In contrast, February is significantly colder, with temperatures plunging to a minimum of -21°C (-6°F) and an average of -2°C (28°F), peaking at 7°C (44°F). Although it experiences less precipitation at 48 mm (1.9 in) across 11 days, the humidity remains high at 91%. For more details on February weather, you can check Tallinn weather in February.

In comparing the weather of October and March, October generally presents milder conditions with average temperatures ranging from a minimum of -2°C (29°F) to a maximum of 17°C (64°F), while March is significantly colder, experiencing temperatures as low as -18°C (0°F) and averaging around 0°C (33°F). Additionally, October sees more precipitation, totaling 100 mm (3.9 in) over approximately 17 days, compared to March's 47 mm (1.9 in) spread over 13 days. Despite the chill, both months share high humidity levels of around 90%, creating a similarly damp atmosphere. For more detailed insights, you can visit Tallinn weather in March.

In October, the weather in Tallinn is generally milder compared to April, with average temperatures ranging from a minimum of -2°C (29°F) to a maximum of 17°C (64°F). October also sees more precipitation, averaging 100 mm (3.9 in) over about 17 days, accompanied by high humidity at 90%. In contrast, April experiences cooler temperatures, with minimums dipping to -8°C (18°F) and maximums reaching 18°C (65°F). The month brings less rainfall, with only 41 mm (1.6 in) spread across approximately 10 days, and slightly lower humidity at 87%. For more detailed information, you can explore Tallinn weather in April.

October and May present contrasting weather patterns. In October, temperatures range from a chilly -2°C (29°F) to a maximum of 17°C (64°F), with an average of 8°C (47°F). The month is quite wet, experiencing around 100 mm (3.9 in) of precipitation over 17 days, coupled with high humidity at 90%. In comparison, May boasts slightly milder temperatures, with a minimum of -2°C (29°F), an average of 10°C (50°F), and a warm maximum of 24°C (75°F). Precipitation during this month totals 54 mm (2.1 in) across just 9 days, along with a more comfortable humidity level of 76%. For more detailed insights, visit Tallinn weather in May.

When comparing the weather in October and June, we see a significant contrast in temperatures and conditions. October typically experiences cooler temperatures, with averages ranging from a minimum of -2°C (29°F) to a maximum of 17°C (64°F), while June enjoys milder and warmer temperatures, starting at a minimum of 5°C (41°F) and peaking at 30°C (87°F).

In terms of precipitation, October is notably wetter, receiving 100 mm (3.9 in) over 17 days compared to June's 55 mm (2.2 in) over just 9 days. October also has a higher humidity level at 90%, compared to June's 80%, contributing to a more saturated atmosphere in the fall. For more detailed insights, you can check out this link: Tallinn weather in June.

October weather is notably cooler and wetter compared to the warm, summery conditions of July. In October, temperatures range from a chilly -2°C (29°F) at night to a mild 17°C (64°F) during the day, while July experiences a broader range from 9°C (48°F) to a high of 30°C (86°F). Additionally, October sees more precipitation, with about 100 mm (3.9 in) falling over 17 days, compared to July's 68 mm (2.7 in) over just 11 days. The humidity also rises in October to 90%, creating a damp atmosphere, while July maintains a relatively lower humidity of 80%. For more detailed insights into July weather, check out this link: Tallinn weather in July.

Comparing the weather in October and August reveals notable differences in temperature and humidity. In October, temperatures range from a minimum of -2°C (29°F) to a maximum of 17°C (64°F), with an average of 8°C (47°F). This contrasts sharply with August, where temperatures are much warmer, with a minimum of 8°C (47°F) and a maximum of 29°C (84°F), averaging around 17°C (63°F). Additionally, October experiences higher humidity levels at 90% compared to August's 83%, contributing to a cooler and more damp atmosphere. Both months see similar precipitation levels, with October receiving 100 mm (3.9 in) over 17 days and August slightly more at 102 mm (4.0 in) over 15 days. For more details on August weather, visit Tallinn weather in August.

In comparing the weather between September and October, October experiences noticeably cooler temperatures, with daily averages hovering around 8°C (47°F), compared to September's milder average of 13°C (55°F). The maximum temperatures in October peak at 17°C (64°F), which is significantly lower than September’s highs of 24°C (75°F). Additionally, October sees increased precipitation, totaling 100 mm (3.9 in) over 17 days, while September has less rainfall at 78 mm (3.1 in) across 15 days. Humidity levels are also slightly higher in October at 90%, compared to September’s 87%. For more details, you can refer to Tallinn weather in September.

October and November both bring a noticeable chill as they transition into winter, but they differ in a few key aspects. In October, temperatures range from a minimum of -2°C (29°F) to a maximum of 17°C (64°F), with an average of 8°C (47°F). This month experiences more precipitation, averaging 100 mm (3.9 in) over 17 days, along with a humidity of 90%. In contrast, November typically sees colder temperatures, with a minimum of -5°C (24°F), an average of 4°C (40°F), and a maximum of 13°C (55°F). The precipitation drops to 58 mm (2.3 in) over 13 days, and the humidity slightly increases to 91%. For more details on what to expect in November, you can check Tallinn weather in November.

October and December present notably different weather conditions. In October, temperatures range from a minimum of -2°C (29°F) to a maximum of 17°C (64°F), with an average of 8°C (47°F). The month experiences around 100 mm (3.9 in) of precipitation over 17 days, alongside high humidity levels of 90%. In contrast, December sees much colder temperatures, with a minimum of -17°C (1°F) and a maximum of only 7°C (46°F), averaging around 0°C (32°F). Precipitation decreases to 60 mm (2.4 in) spread over 16 days, but the humidity remains high at 90%. For more detailed information on the weather in December, you can check Tallinn weather in December.

Compare Tallinn's Climate with Cities Worldwide

Conclusion: What to Expect From October Weather in Tallinn

As October graces Tallinn, it ushers in a striking transition from the warmth of summer to the chill of winter. With average temperatures hovering around 8°C (47°F) and occasional highs reaching up to 17°C (64°F), the month paints a picture of crisp days and brisk evenings. Unlike the drier summer months, October experiences an uptick in precipitation, with rain gracing the city on 17 days, resulting in a humid atmosphere that can feel quite brisk at 90%. This compelling mix of cool temperatures and frequent showers sets the stage for the enchanting fall foliage, making it a unique time to explore the city's charm. For more detailed insights, check out the Tallinn Climate.