Last updated: August 21, 2025
In October, Viljandi, Estonia, experiences a captivating transition into autumn, with temperatures ranging from a maximum of 19°C (67°F) to a minimum of -5°C (23°F), resulting in an average of 7°C (46°F). As the month unfolds, the region witnesses 82 mm (3.2 in) of rainfall over approximately 14 days, contributing to a high humidity level of 92%. This blend of cool temperatures and frequent showers creates an atmosphere rich in fall colors, making it a picturesque time to explore the enchanting landscapes and historical charm of Viljandi.
As October rolls into Viljandi, Estonia, temperatures begin to signal the impending chill of winter. The month starts with minimums around -5°C (23°F) and gradually warms to an average of 7°C (46°F), peaking at a comfortable 19°C (67°F) on sunny days. This transitional phase is evident as the last traces of autumn linger, with the landscape often adorned in vibrant fall colors. Compared to September, which enjoys higher averages and milder temperatures, October introduces a noticeable drop, setting the stage for the colder months ahead. As the days grow shorter and the air turns crisp, it's a perfect time for cozy gatherings and enjoying the beautiful surroundings of this charming Estonian town.
October in Viljandi, Estonia, brings a shift in weather patterns, with precipitation totaling 82 mm (3.2 in), matching the heights of summer months like July. Notably, the number of rainy days increases to 14, paralleling the trend seen in September. This increase in both rainfall and rainy days suggests that autumn is in full swing, making October a month where cooler temperatures coincide with frequent downpours. The consistency in precipitation during this month indicates a steady transition towards winter, as Viljandi prepares for colder days ahead, while still holding on to the reminiscences of summer rain.
In Viljandi, Estonia, October ushers in a tapestry of moist air, with humidity levels averaging around 92%. This slight uptick from the preceding month—September's 89%—highlights the gradual shift towards the colder months. Throughout the year, humidity levels are characteristically high, peaking in the winter months where January and February hold the record at 95% and 93%, respectively. As spring emerges, there's a noticeable drop, reaching its lowest point in May at 73%. However, as summer fades, humidity makes a comeback, climbing steadily through August and September. By October, the air thickens once more, creating a distinctly crisp yet damp atmosphere that signals the onset of winter in this charming Estonian town.
As October rolls into Viljandi, Estonia, the UV Index drops to a low level of 2, allowing residents and visitors to bask in the autumn sun with minimal risk of skin damage. This month marks a transition from the heightened levels of summer, where June and July saw indices peak at 7 within the high exposure category. As the days shorten and temperatures cool, the burn time increases back to 45 minutes, providing ample opportunity to enjoy outdoor activities without the intense UV risk of earlier months. The gradual decline in UV exposure from late summer to early fall not only signals the approach of winter but also highlights the importance of adjusting sun protection habits throughout the year. For more information on UV trends throughout the seasons, explore Viljandi UV Index.
UV Risk Categories
In October, Viljandi, Estonia, basks in a delightful turn of the season, receiving approximately 208 hours of sunshine. While this marks a notable decrease from the vibrant summer months, where sunshine frequently soared above 400 hours, October's golden light brings a softer charm as autumn sets in. The trend of gradually waning daylight is evident, dropping from September's 300 hours as the days shorten ahead of winter. However, October still presents a beautiful contrast with its warm hues, reminding us of the fleeting moments of sunlight before the somber months of November and December, which offer a mere 110 and 62 hours respectively. As the leaves turn and the air cools, October in Viljandi remains a season of reflection and beauty, highlighted by the gentle sunshine that dances on the landscape.
In October, the likelihood of sunny weather in Viljandi, Estonia stands at 30%, a slight dip from the peak summer months but still offering a good chance for pleasant days. As the transition from summer to fall takes place, the average rates of sunshine trend towards cooler weather, with a notable decline evident after July and August. Despite the drop, October maintains a relatively optimistic status in comparison to the early winter months, where chances sink as low as 6% in January. This makes October a sweet spot for enjoying the last touches of autumn brightness before the long gray winter sets in.
In October, daylight in Viljandi, Estonia, begins to wane, providing about 10 hours of light each day. This transitional month marks the decline from the long, sunlit days of summer, where the daylight peaked at 18 hours in June. As autumn settles in, the daylight dips noticeably from the 12 hours experienced in September, setting the stage for the shorter days ahead. The steady decrease in daylight continues into the winter months, dropping to a mere 6 hours by December. October's diminishing daylight serves as a poignant reminder of nature's shifts, blending the vibrant hues of autumn with the anticipation of the winter's embrace.
As October arrives in Viljandi, Estonia, the air takes on a brisk vitality with an average wind speed of 5.0 m/s (11 mph), making it the windiest month of the year. This invigorating gustiness marks a noticeable uptick from the preceding months, where winds ranged between 2.8 m/s (6 mph) and 4.6 m/s (10 mph). With summer's gentle breezes fading, October's invigorating winds bring a refreshing change, invigorating both the landscape and the spirit. This seasonal shift encourages outdoor explorations as the vibrant autumn leaves dance in the gusts. As the year progresses into the colder months, the wind speeds gently decline, but for now, October's blustery embrace reigns supreme, inviting all to revel in the rich tapestry of autumn.
Weather in Viljandi varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Viljandi, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather between October and January, notable differences emerge in temperature and precipitation. October experiences milder conditions with average temperatures ranging from a minimum of -5°C (23°F) to a maximum of 19°C (67°F), while January is much colder, with temperatures plummeting to a minimum of -21°C (-6°F) and an average of -2°C (28°F). Additionally, October sees more rainfall, with 82 mm (3.2 in) of precipitation over approximately 14 days, compared to January's 38 mm (1.5 in) over 10 days. The humidity remains high in both months, with January at 95% and October at 92%. For a more detailed look at the January weather, visit Viljandi weather in January.
When comparing the weather in October and February, notable differences emerge. October experiences a milder climate with temperatures ranging from a minimum of -5°C (23°F) to a pleasant average of 7°C (46°F), peaking at a maximum of 19°C (67°F). In contrast, February presents a much colder tableau, with temperatures plunging to a minimum of -24°C (-11°F) and averaging -3°C (27°F), reaching a maximum of just 8°C (47°F).
Precipitation is more common in October, with 82 mm (3.2 in) spread across 14 rainy days compared to February’s 47 mm (1.9 in) over 10 days. Additionally, humidity levels remain high in both months, hovering around 92% in October and slightly higher at 93% in February. For a deeper insight into February's climate, you can check out Viljandi weather in February.
When comparing the weather in October and March, notable differences emerge. October generally enjoys milder temperatures, with minimums around -5°C (23°F) and average highs reaching 19°C (67°F), creating a more temperate environment with an average humidity of 92%. In contrast, March presents a chillier atmosphere, characterized by minimum temperatures plummeting to -23°C (-9°F), with an average temperature of 0°C (33°F) and maximums peaking at 13°C (55°F). Additionally, March experiences slightly less precipitation, totaling 53 mm (2.1 in) over 12 days, compared to October's 82 mm (3.2 in) across 14 days. For more detailed insights, you can visit Viljandi weather in March.
When comparing the weather in October and April, October tends to be milder with average temperatures around 7°C (46°F) and maximums reaching up to 19°C (67°F), while April has slightly lower averages of 5°C (42°F) and can peak at 22°C (73°F). October experiences more precipitation, totaling 82 mm (3.2 in) over approximately 14 days, compared to April's 51 mm (2.0 in) across 11 days. Additionally, October's humidity is notably high at 92%, slightly surpassing April's 87%. For more detailed information, you can check out Viljandi weather in April.
October and May present contrasting weather experiences. In October, temperatures can dip as low as -5°C (23°F), with an average of 7°C (46°F) and highs reaching 19°C (67°F). The month is characterized by high humidity at 92% and significant precipitation, totaling 82 mm (3.2 in) over approximately 14 days. In contrast, May sees a more moderate climate, where the minimum temperature remains the same at -5°C (24°F), but the average rises to 11°C (52°F) and can reach a maximum of 28°C (82°F). The precipitation decreases to 51 mm (2.0 in) over about 10 days, and humidity levels drop to a more comfortable 73%. For a detailed look at what to expect during this month, check out Viljandi weather in May.
October and June present contrasting weather experiences. In October, temperatures range from a chilly -5°C (23°F) at night to a mild 19°C (67°F) during the day, with an average of 7°C (46°F). The month is quite humid, with an average humidity of 92% and about 82 mm (3.2 in) of precipitation distributed over 14 days. In contrast, June offers significantly warmer conditions, with temperatures varying from a minimum of 3°C (38°F) to a maximum of 31°C (88°F) and an average of 17°C (62°F). The humidity is lower at 77%, and rainfall is slightly less at 76 mm (3.0 in) over 12 days. For a detailed look at June's weather, you can visit Viljandi weather in June.
October and July present contrasting weather patterns, with October experiencing cooler temperatures, featuring a minimum of -5°C (23°F) and an average of 7°C (46°F), compared to July’s milder minimum of 5°C (42°F) and an average of 18°C (64°F). While both months receive similar amounts of precipitation—82 mm (3.2 in)—October tends to be wetter with rainfall spread over 14 days, compared to July's 12 days. Additionally, October's humidity is higher at 92%, leading to a more damp and chilly atmosphere, whereas July enjoys a relatively drier feel with 80% humidity. For a closer look at July weather, check out Viljandi weather in July.
Comparing the weather in October and August reveals a significant shift in temperatures and conditions. In October, temperatures can drop to a minimum of -5°C (23°F) and average around 7°C (46°F), peaking at a maximum of 19°C (67°F). In contrast, August boasts much warmer weather, with a minimum of 5°C (42°F), an average of 17°C (62°F), and highs reaching 31°C (87°F). Precipitation patterns are also notable; October experiences 82 mm (3.2 in) over 14 days, while August records slightly more at 99 mm (3.9 in) across 13 days. Additionally, October tends to have higher humidity levels at 92%, compared to August's 84%. For a deeper dive into August's weather specifics, you can check Viljandi weather in August.
In September, the weather is generally milder, with temperatures ranging from a minimum of -2°C (28°F) to a maximum of 26°C (79°F), and an average of 12°C (55°F). There is slightly less precipitation at 75 mm (3.0 in) over 14 days and a humidity level of 89%. In contrast, October sees a notable drop in temperatures, with a minimum of -5°C (23°F) and a maximum of 19°C (67°F), resulting in an average of 7°C (46°F). While precipitation increases to 82 mm (3.2 in) over the same duration of 14 days, the humidity also rises to 92%, making October feel cooler and more damp compared to the preceding month. For more detailed insights about the weather in September, you can visit Viljandi weather in September.
October typically sees milder temperatures compared to November, with minimums around -5°C (23°F) and an average of 7°C (46°F), peaking at 19°C (67°F). In contrast, November experiences cooler conditions, with minimum temperatures dropping to -10°C (14°F) and an average of just 3°C (38°F), reaching a maximum of 12°C (54°F). While October has higher precipitation at 82 mm (3.2 in) over 14 days, November's rainfall is less at 57 mm (2.2 in) across 11 days. Humidity remains consistently high in both months, slightly increasing in November to 93% compared to October's 92%. For more detailed information on November weather, you can visit Viljandi weather in November.
October and December exhibit notable contrasts in weather conditions. In October, temperatures range from a cool -5°C (23°F) at night to a mild 19°C (67°F) during the day, with an average of 7°C (46°F). The month experiences significant precipitation, measuring 82 mm (3.2 in) over approximately 14 days, while humidity remains high at 92%. In contrast, December sees much colder temperatures, with nighttime lows plunging to -24°C (-11°F) and daytime highs just reaching 9°C (48°F), yielding an average temperature of -1°C (30°F). Precipitation decreases to 52 mm (2.1 in) across 13 days, accompanied by slightly higher humidity at 93%. For more details, you can check Viljandi weather in December.
October in Viljandi brings a striking transition as the warm embrace of summer gives way to the chill of autumn. With average temperatures dropping to a mild 7°C, the contrast becomes palpable, making this month feel cooler than the preceding months. The increased precipitation, with about half the days experiencing rain, adds to the atmospheric shift, while the surrounding nature bursts into stunning autumn colors. Humidity levels peak at 92%, heightening the crisp feeling in the air. For those curious about how this month stacks up against the rest of the year, a deeper dive into the local climate can be found at Viljandi Climate.