Last updated: August 21, 2025
May in Viljandi, Estonia offers a delightful blend of spring warmth and occasional rain, making it a vibrant time to experience the region. With temperatures peaking at 28°C (82°F) and averaging around 11°C (52°F), residents and visitors can enjoy milder days alongside crisp, cool nights. However, be prepared for the occasional chill, as temperatures can dip to a brisk -5°C (24°F). May also brings about 51 mm (2.0 in) of rainfall spread over 10 days, contributing to a humidity level of 73%, which adds to the lush greenery and blossoming flora characteristic of this picturesque time. Whether wandering the historic streets or exploring nature, May in Viljandi is a season of rejuvenation and beauty.
In May, Viljandi, Estonia, begins to shake off the last remnants of winter, welcoming warmer days with a notable rise in temperatures. The average temperature climbs to 11°C (52°F), while daytime highs can reach a pleasant 28°C (82°F), creating an inviting atmosphere for outdoor activities. With nighttime lows hovering around -5°C (24°F), May offers a contrast to the chill of earlier months, making it an ideal time for locals and visitors alike to enjoy the burgeoning beauty of spring. This shift not only marks a transition in temperature but also heralds longer days and the vibrant renewal of nature, enhancing the charm of this picturesque Estonian town.
May in Viljandi, Estonia, continues the steady precipitation trend noted from earlier months, with 51 mm (2.0 in) of rainfall over about 10 days. This consistent moisture not only matches April's totals but also sets the stage for the heavier downpours that are characteristic of the approaching summer months. With a gradual increase in both total rainfall and precipitation days leading into June, May acts as a pivotal transition period, maintaining the lush greenery that defines the Estonian landscape. As the season progresses, the rise in precipitation hints at the vibrant, flourishing summer that awaits, reinforcing the natural beauty of Viljandi.
As spring blossoms into the warm embrace of May, Viljandi, Estonia experiences a notable shift in humidity, dropping to 73%. This decline marks a welcome respite from the near-constant moisture that characterizes the winter months, with January’s humidity soaring to 95% and gradually tapering to a more comfortable level by late spring. Following May, humidity begins to rise again in June, reaching 77%, and continues its upward trend into the summer months. This seasonal fluctuation highlights the transitional nature of Viljandi's climate, inviting residents and visitors alike to enjoy the refreshing, drier air of late spring before the warmer, more humid days of summer arrive.
As spring unfolds in Viljandi, Estonia, May brings a noticeable increase in UV intensity, with a UV Index of 5 classified as moderate. This signifies a shift from the earlier months where UV exposure was low to moderate, prompting a burn time of just 30 minutes for fair-skinned individuals. As nature blossoms around you, it's essential to embrace the sunshine responsibly. With June's index reaching 7, the move to higher UV levels is stark, making May the perfect month to enjoy the outdoors while still taking precautions. For more detailed insights, visit the Viljandi UV Index to stay informed and protect your skin as the days grow longer and sunnier.
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As spring transitions into summer, May brings a delightful surge of sunshine to Viljandi, Estonia. With 436 hours of glorious sunlight, it marks a peak in daylight hours compared to the preceding months, showcasing an impressive increase from 348 hours in April. This trend of growing sunlight continues into June, where the days become even longer, reaching 467 hours. The brightness of May not only enhances the vibrant landscapes but also invites residents and visitors alike to bask in the beauty of nature, enjoy outdoor activities, and celebrate the arrival of warmer weather. As the warm month unfolds, it heralds the lush life of summer, creating an enchanting atmosphere in this picturesque town.
In Viljandi, Estonia, the transition to May offers an intriguing glimpse into the changing weather patterns. With a 32% chance of sunny days, May is a slight dip from the sunnier April, which boasts a 36% likelihood. This pattern suggests that while the sun begins to play a more prominent role in the spring months, it doesn't reach its peak until the summer, with June and July showcasing over 50% sun chance. Interestingly, as we move from the winter months, where the sun shows its shyness at just 6% in January, the gradual increase through spring hints at an emerging vibrancy. In May, you can expect a mix of sunny and cloudy days, setting the stage for the brighter, warmer days of summer ahead.
As spring gives way to summer, Viljandi, Estonia experiences a remarkable transformation in daylight hours. In May, the daylight stretches to a generous 16 hours, marking a significant increase from the 14 hours in April. This trend of increasing light continues into June, where residents enjoy an impressive 18 hours of sunshine. However, as the summer wanes, daylight begins to taper off, starting with 17 hours in July and decreasing gradually to 15 hours in August, before settling at 12 hours in September. This rhythmic fluctuation in daylight not only enhances the beauty of the surrounding landscapes but also invites locals and visitors alike to embrace the vibrant outdoor activities that flourish during these sun-drenched months.
In May, the average wind speed in Viljandi, Estonia settles at 3.9 m/s (9 mph), slightly lower than the breezy months of March and April but aligning closely with the winds of February. This consistent wind pattern suggests a gentle transition into the warmer months, as the region readies for summer's arrival. By contrast, the much calmer winds in June—dropping to 2.8 m/s (6 mph)—hint at a soothing respite as nature flourishes in the summer sun. Overall, May's winds maintain a delicate balance, creating a pleasant atmosphere for outdoor activities while still hinting at the transition to the lighter breezes of early summer.
Weather in Viljandi varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Viljandi, focusing on differences in temperature, rainfall, humidity, and UV levels.
May and January present vastly different weather conditions. In May, temperatures range from a chilly -5°C (24°F) at night to a warm 28°C (82°F) during the day, with an average of 11°C (52°F). The month sees about 51 mm (2.0 in) of precipitation over 10 days, with humidity around 73%. In stark contrast, January is much colder, with temperatures dipping as low as -21°C (-6°F) and averaging -2°C (28°F). The maximum temperature reaches only 8°C (46°F), while precipitation is slightly less at 38 mm (1.5 in) over the same number of days, but the humidity is higher at 95%. For more detailed information, you can check Viljandi weather in January.
May and February present distinctly different weather patterns. In May, temperatures range from a chilly -5°C (24°F) at night to a warm 28°C (82°F) during the day, with an average of 11°C (52°F). The month experiences moderate precipitation, totaling 51 mm (2.0 in) over about 10 days, and humidity levels are relatively comfortable at 73%. Conversely, February is much colder, with temperatures dropping as low as -24°C (-11°F) and only reaching a maximum of 8°C (47°F), averaging -3°C (27°F). Despite slightly lower precipitation at 47 mm (1.9 in) over 10 days, the humidity is notably higher at 93%. For more details on the weather in February, visit Viljandi weather in February.
In comparing the weather between March and May, notable differences emerge. March experiences much colder temperatures, with a minimum of -23°C (-9°F) and an average of 0°C (33°F), while May enjoys a more moderate climate, with values ranging from -5°C (24°F) at night to a pleasant average of 11°C (52°F) during the day, peaking at 28°C (82°F). Additionally, March has slightly higher precipitation levels at 53 mm (2.1 in) over 12 days, compared to May's 51 mm (2.0 in) over 10 days, though March's higher humidity at 90% contrasts with May's relatively lower level of 73%. For more details, you can refer to Viljandi weather in March.
May generally enjoys milder temperatures compared to April, with a minimum of -5°C (24°F) and an average of 11°C (52°F), peaking at a warm 28°C (82°F). In contrast, April sees lower temperatures, ranging from a minimum of -8°C (18°F) to a maximum of 22°C (73°F), resulting in an average of just 5°C (42°F). Both months experience similar levels of precipitation, with May recording 51 mm (2.0 in) over 10 days and April seeing the same amount over 11 days. Additionally, humidity is slightly higher in April at 87%, compared to May's 73%. For more details, check out Viljandi weather in April.
In May, temperatures in Viljandi range from a chilly -5°C (24°F) at night to a warm 28°C (82°F) during the day, with an average temperature of 11°C (52°F). The month sees a total precipitation of 51 mm (2.0 in) over approximately 10 days, accompanied by a humidity level of 73%.
In contrast, June experiences milder conditions with a minimum temperature of 3°C (38°F) and a maximum reaching 31°C (88°F), leading to an average temperature of 17°C (62°F). Precipitation increases slightly to 76 mm (3.0 in) over 12 days, and humidity rises to 77%. The transition from May to June clearly showcases a shift towards warmer and slightly wetter weather as summer approaches. For more detailed information, check out Viljandi weather in June.
May and July offer distinct weather experiences, reflecting the transition from spring to summer. In May, temperatures can drop as low as -5°C (24°F) and peak at around 28°C (82°F), with an average of 11°C (52°F). The month sees approximately 51 mm (2.0 in) of precipitation over about 10 days, accompanied by a humidity level of 73%. In contrast, July brings warmer weather, with minimum temperatures of 5°C (42°F) and highs reaching 31°C (88°F), averaging 18°C (64°F). This month experiences more precipitation at 82 mm (3.2 in) over 12 days and slightly higher humidity, reaching 80%. For more detailed information, check Viljandi weather in July.
May and August present a striking contrast in weather conditions. In May, temperatures range from a chilly minimum of -5°C (24°F) to a comfortable maximum of 28°C (82°F), with an average of 11°C (52°F). This month sees 51 mm (2.0 in) of precipitation over 10 days, accompanied by a moderate humidity of 73%. In comparison, August experiences warmer temperatures, with a minimum of 5°C (42°F), an average of 17°C (62°F), and a peak of 31°C (87°F). However, the month is also wetter, with 99 mm (3.9 in) of rain spread over 13 days and higher humidity at 84%. For a more detailed look at the weather in August, check out Viljandi weather in August.
In comparing the weather between May and September, we see notable differences in temperature and precipitation. May typically experiences a wider temperature range, with minimums dropping to -5°C (24°F) and maximums reaching up to 28°C (82°F), while September's temperatures are milder with a minimum of -2°C (28°F) and a maximum of 26°C (79°F). Precipitation is more frequent in September, averaging 75 mm over 14 days compared to May's 51 mm over 10 days, which, coupled with higher humidity levels in September (89% compared to 73% in May), contributes to a noticeably wetter feel during the latter month. For a detailed look at the September weather, you can refer to Viljandi weather in September.
May and October present contrasting weather experiences. In May, temperatures range from a chilly -5°C (24°F) at night to a warm 28°C (82°F) during the day, with an average of 11°C (52°F). The month sees moderate rainfall of 51 mm (2.0 in) over about 10 days, coupled with a comfortable humidity level of 73%. In comparison, October is notably cooler, with temperatures dropping to a minimum of -5°C (23°F) and a maximum of 19°C (67°F), averaging just 7°C (46°F). Precipitation increases to 82 mm (3.2 in) spread over 14 days, and humidity rises significantly to 92%. For more specific insights on October weather, you can visit Viljandi weather in October.
May and November present contrasting weather conditions, reflecting the transition from spring to late autumn. In May, temperatures range from a chilly -5°C (24°F) at night to a warm 28°C (82°F) during the day, with an average temperature of 11°C (52°F). Precipitation is moderate at 51 mm (2.0 in), falling on about 10 days, and humidity sits at 73%. In contrast, November experiences much colder temperatures, with a minimum of -10°C (14°F) and an average of just 3°C (38°F); the maximum reaches only 12°C (54°F). The month sees slightly higher precipitation at 57 mm (2.2 in), occurring over 11 days, and the humidity is significantly higher at 93%. For those interested in a deeper dive, check out Viljandi weather in November.
In May, the weather is typically milder, with temperatures ranging from a minimum of -5°C (24°F) to a pleasant maximum of 28°C (82°F), and an average of 11°C (52°F). The humidity sits at a comfortable 73%, and there are about 10 days of precipitation, totaling 51 mm (2.0 in). In contrast, December brings much colder conditions, with a minimum temperature plunging to -24°C (-11°F) and an average of -1°C (30°F). The maximum temperature only reaches 9°C (48°F), and the month experiences higher humidity at 93%, along with slightly more precipitation of 52 mm (2.1 in) over 13 days. For more detailed information on December weather in Viljandi, you can visit Viljandi weather in December.
May in Viljandi heralds the true arrival of spring, with temperatures gradually warming up as the month progresses. Daytime highs can reach up to 28°C, offering a dramatic contrast to the lingering chill of earlier months, while average temperatures settle at a comfortable 11°C. However, the beauty of May comes with some variability, as it can still dip to nighttime lows around -5°C. While this month witnesses 51 mm of precipitation over approximately 10 days, the overall humidity remains a relatively high 73%, adding a lush vibrancy to the landscape. This transition makes May a unique blend of warmth and rejuvenation, setting the stage for the full exuberance of summer. For a deeper dive into annual weather patterns, check out Viljandi Climate.