Last updated: August 21, 2025
August in Viljandi, Estonia is a month of contrasts, featuring a blend of warm days and refreshing cool evenings. With maximum temperatures soaring to 31°C (87°F), the average temperature settles at a comfortable 17°C (62°F), while cooler nights can dip as low as 5°C (42°F). However, the weather is marked by a notable precipitation total of 99 mm (3.9 in), spread over 13 days, creating a lush, vibrant landscape. This month also brings a high level of humidity at 84%, adding to the invigorating feel of the Estonian summer, where sunny days alternate with gentle rain, enhancing the beauty of this picturesque town.
In Viljandi, Estonia, August marks a vibrant peak in summer, characterized by mild temperatures that create an inviting atmosphere. With minimums around 5°C (42°F) and average highs reaching 31°C (87°F), the month showcases a pleasant warmth that contrasts sharply with the frigid January lows of -21°C (-6°F). This transition from the cooler early months highlights a significant shift in climate, as the average temperature in August sits comfortably at 17°C (62°F), making it a prime time for outdoor activities and exploration. As the summer wraps up, the warmth hints of the cooler autumn months ahead, with September already showing a dip in temperatures, reaching a minimum of -2°C (28°F). Thus, August stands out as a flourishing reminder of Estonia's fleeting summer season, inviting locals and visitors alike to relish in the sunshine before the chill returns.
August marks a significant peak in precipitation for Viljandi, Estonia, with 99 mm (3.9 in) of rainfall over an average of 13 days. This represents the highest monthly total of the year, signifying a transition from the relatively dry summer months of June and July, which recorded 76 mm (3.0 in) and 82 mm (3.2 in) respectively. As summer wanes, the increase in both rainfall and rainy days indicates the onset of more unstable weather patterns, preparing the landscape for the eventual arrival of autumn. Following August, September sees a decrease to 75 mm (3.0 in) of precipitation, but the trend of frequent rainy days continues, suggesting that residents of Viljandi should be ready for a shift in their outdoor plans as the season changes.
In August, Viljandi experiences a noticeable shift in humidity, averaging 84%. This figure reflects a moderate increase from the drier months of late spring, where humidity dipped to 73% in May. As summer unfolds, humidity levels gradually rise, peaking in the warmer months of July at 80% before settling in August. Following this peak, a return to higher humidity levels is evident as the seasons transition into autumn, with September jumping back up to 89%. Overall, the trend highlights Viljandi's characteristic moistness, particularly in late summer and early fall, making it a uniquely refreshing locale.
In August, the UV Index in Viljandi, Estonia stands at a notable 6, categorizing it as high exposure. This indicates a significant transition from earlier months; while June and July experienced the peak UV levels of 7, August still demands attention for sun safety with a burn time of just 25 minutes. Comparatively, the spring months started with lower UV readings, increasing steadily as summer approached. As the season begins to wane into September, we can expect a decline in UV intensity. For a detailed look at UV trends throughout the year, visit Viljandi UV Index.
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In August, Viljandi basks in a luminous embrace with 392 hours of sunshine, a delightful continuation of the summer glow that started in June. This month, while slightly less sunlit than July's peak of 462 hours, still reflects a generous tapestry of warmth, comfortably nestled between the lush greenery of late summer and the onset of autumn. The trend this year showcases a gradual increase from the chilly 61 hours of sunlight in January, peaking in the summer months before tapering down as the seasons change. As August gives way to September's 300 hours, the residents of Viljandi cherish this sun-drenched finale, savoring the lingering days of warmth before embracing the fall.
In August, the likelihood of sunny weather in Viljandi, Estonia, dips to 23%, following the peak sunshine months of July and June, which boast chances of 54% and 51%, respectively. This decline marks a transition as summer draws to a close, making August less predictable for sun-seekers. Compared to earlier months, such as March with 30% or April with 36%, August presents a moderate opportunity for sunshine, but it’s noticeably less than the vibrant energy of midsummer. As the days begin to shorten and the seasons shift, visitors may still enjoy occasional sunny breaks amid the late-summer allure of Viljandi.
In Viljandi, Estonia, August marks a gentle transition from the long, sun-filled days of summer to the shorter daylight hours of autumn. With around 15 hours of daylight, this month still offers ample opportunity for outdoor activities, as the sun lingers longer than in the subsequent months. Following the peak of June, when daylight stretches up to an impressive 18 hours, August begins to signal a gradual decline. As daylight decreases from the previous month, the shift hints at the approaching fall, contrasting with the 16 hours in May and the fading energy observed in September's 12 hours. This rhythmic ebb and flow of daylight not only shapes daily life but also sets the stage for the vibrant shades of autumn that are soon to grace the landscape.
In August, Viljandi, Estonia experiences an average wind speed of 4.2 m/s (9 mph), a refreshing uplift compared to the calmer summer months. This subtle increase indicates a transition towards the brisker autumn winds that follow, aligning closely with the average speeds recorded in September. As the summer heat wanes, the winds pick up slightly from the 2.8 m/s (6 mph) seen in June, creating a gentle yet invigorating breeze that dances through the historic streets. Notably, this month stands out as a perfect balance between the subdued summer gusts and the more robust winds expected in the upcoming months, making August a delightful time to explore the beauty of Viljandi.
Weather in Viljandi varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Viljandi, focusing on differences in temperature, rainfall, humidity, and UV levels.
The weather in August and January presents a stark contrast, showcasing the extremes of seasonal changes. In August, temperatures range from a minimum of 5°C (42°F) to a maximum of 31°C (87°F), with an average of 17°C (62°F) and relatively high humidity at 84%. This month also experiences an average of 99 mm (3.9 in) of precipitation over about 13 days. In contrast, January is characterized by much colder temperatures, reaching lows of -21°C (-6°F) and highs only up to 8°C (46°F), with an average temperature of -2°C (28°F). This winter month sees less precipitation at 38 mm (1.5 in), occurring over about 10 days, but exhibits higher humidity at 95%. For more detailed information, you can check Viljandi weather in January.
August and February present starkly contrasting weather conditions. In August, temperatures range from a minimum of 5°C (42°F) to a high of 31°C (87°F), with an average of 17°C (62°F), making it a warm and humid month with 84% humidity. Precipitation is relatively high, totaling 99 mm (3.9 in) over 13 days. In contrast, February brings much colder temperatures, with a minimum of -24°C (-11°F) and a maximum of 8°C (47°F), averaging around -3°C (27°F). This winter month has lower precipitation at 47 mm (1.9 in) over 10 days but features higher humidity at 93%. For a closer look at February's weather specifics, you can visit Viljandi weather in February.
When comparing the weather in August and March, there is a stark contrast in temperatures and conditions. August typically enjoys a mild climate with temperatures ranging from a minimum of 5°C (42°F) to a maximum of 31°C (87°F), coupled with an average of 17°C (62°F). In contrast, March experiences much colder temperatures, with lows reaching -23°C (-9°F) and an average of around 0°C (33°F). Precipitation is more frequent in August, with 99 mm (3.9 in) spread over 13 days, while March sees less rainfall at 53 mm (2.1 in) over 12 days, despite both months having high humidity levels—84% in August and 90% in March. For more detailed insights, you can explore Viljandi weather in March.
When comparing the weather in August and April, it's evident that August tends to be significantly warmer with temperatures ranging from a minimum of 5°C (42°F) to a maximum of 31°C (87°F), while April experiences much cooler temperatures, with a minimum of -8°C (18°F) and a maximum of 22°C (73°F). Additionally, August is marked by higher precipitation, totaling 99 mm (3.9 in) over 13 days, compared to April's 51 mm (2.0 in) over just 11 days. Humidity levels are slightly lower in August at 84%, compared to April's 87%, making the summer month feel a bit more comfortable despite its higher temperatures. Overall, August offers a warm and humid climate, while April remains chillier and drier. For more details about April weather, you can visit Viljandi weather in April.
In comparing the weather between August and May, August tends to be significantly warmer and more humid. With average temperatures ranging from a chilly 5°C (42°F) at night to a warm 31°C (87°F) during the day, August offers a stark contrast to May’s cooler temperatures, which range from a minimum of -5°C (24°F) to a maximum of 28°C (82°F). Additionally, August experiences higher precipitation levels, with around 99 mm (3.9 in) over 13 days compared to May’s 51 mm (2.0 in) over just 10 days. The humidity in August also surpasses that of May, sitting at 84% versus 73%, creating a more muggy atmosphere. For more detailed information on May's climate, you can visit Viljandi weather in May.
When comparing the weather in August and June, we see some notable similarities and differences. Both months have an average temperature of 17°C (62°F), though August experiences a slightly higher maximum temperature of 31°C (87°F) compared to June's 31°C (88°F). Rainfall is also more pronounced in August, with 99 mm (3.9 in) of precipitation over 13 days, in contrast to June's 76 mm (3.0 in) over 12 days. Additionally, August tends to be more humid, with a humidity level of 84% compared to June's 77%. For more details, you can visit Viljandi weather in June.
In comparing the weather between July and August, we see that both months experience similar maximum temperatures, peaking at around 31°C (88°F). However, July tends to have a slightly higher average temperature of 18°C (64°F) compared to August's 17°C (62°F). Precipitation levels are also higher in August, with a total of 99 mm (3.9 in) over 13 days, while July sees 82 mm (3.2 in) over just 12 days. Additionally, August's humidity is a bit higher at 84%, compared to July's 80%. For more detailed information, you can refer to Viljandi weather in July.
August typically showcases warmer weather with average temperatures reaching 17°C (62°F) and maximums peaking at 31°C (87°F), while September sees a notable drop in temperatures, with averages around 12°C (55°F) and highs of 26°C (79°F). Precipitation is slightly higher in August at 99 mm (3.9 in) over 13 days, compared to September's 75 mm (3.0 in) over 14 days, indicating a wetter month despite lower total rainfall. Additionally, humidity levels are higher in September at 89%, compared to August's 84%. For more detailed information on September's climate, you can visit Viljandi weather in September.
August and October showcase a stark contrast in weather patterns. In August, temperatures range from a pleasant minimum of 5°C (42°F) to a warm maximum of 31°C (87°F), with an average of 17°C (62°F). The month experiences considerable precipitation, with 99 mm (3.9 in) falling over approximately 13 days, and humidity levels high at 84%. Conversely, October sees a notable drop in temperatures, with a chilly minimum of -5°C (23°F) and an average of 7°C (46°F), peaking at 19°C (67°F). While the precipitation level decreases slightly to 82 mm (3.2 in) over 14 days, humidity rises to 92%, making the air feel damp and cold. For more details on October weather, you can check Viljandi weather in October.
August and November present quite contrasting weather conditions. In August, temperatures range from a mild 5°C (42°F) at night to a warm 31°C (87°F) during the day, with an average of 17°C (62°F). The month sees around 99 mm (3.9 in) of precipitation over 13 days, accompanied by relatively high humidity at 84%. In contrast, November experiences much colder weather, with temperatures dropping to a minimum of -10°C (14°F) and an average of just 3°C (38°F), peaking at 12°C (54°F). Although November has lower overall precipitation at 57 mm (2.2 in) over 11 days, the humidity is slightly higher at 93%. For more details on November climate, you can check Viljandi weather in November.
August and December weather present a stark contrast in Viljandi. In August, temperatures range from a chilly minimum of 5°C (42°F) to a warm maximum of 31°C (87°F), with an average of 17°C (62°F). This month also experiences higher precipitation at 99 mm (3.9 in), contributing to a humidity level of 84% over 13 rainy days. In contrast, December brings much colder conditions, with minimum temperatures plummeting to -24°C (-11°F) and a maximum of just 9°C (48°F), resulting in an average temperature of -1°C (30°F). Although December has less rainfall at 52 mm (2.1 in), the humidity spikes to 93% across 13 days of precipitation. For more specifics on December's weather in Viljandi, visit Viljandi weather in December.
As August unfolds in Viljandi, the weather presents a delightful blend of warmth and the lingering freshness of summer. With temperatures peaking at 31°C, it contrasts sharply with the cooler days of earlier months, offering a perfect opportunity for outdoor activities. Despite some rain, with about 13 days seeing precipitation, the humidity levels rise to 84%, contributing to a lush and vibrant landscape. This month serves as a bridge between the heat of summer and the cooler advances of autumn, making it a unique time to explore the beauty of Viljandi. For more detailed insights into what to expect throughout the year, visit Viljandi Climate.