Last updated: August 21, 2025
In May, Savonlinna, Finland experiences a delightful transition into spring, with a maximum temperature reaching a pleasant 27°C (80°F), while the average settles at a comfortable 10°C (50°F). However, temperatures can dip as low as -4°C (25°F), reminding residents of the lingering chill. The month sees about 54 mm (2.1 in) of precipitation over 10 days, contributing to the lush scenery. With an average humidity level of 77%, the air is rich and invigorating, making May a vibrant time to enjoy the natural beauty and cultural experiences Savonlinna has to offer.
In May, Savonlinna transitions into a refreshing spring, with temperatures rising dramatically from the chill of winter. The minimum temperature hovers around a crisp -4°C (25°F), but the average climbs to a pleasant 10°C (50°F), making outdoor activities increasingly inviting. As the month progresses, the maximum can reach a delightful 27°C (80°F), a remarkable leap that signals the approach of summer. This month showcases a gradual warm-up, contrasting sharply with the depths of winter, and highlights the region's stunning transformation as nature awakens and daylight extends, inviting residents and visitors alike to enjoy the blooming landscapes and vibrant atmosphere.
In May, Savonlinna experiences a noticeable uptick in precipitation, with an average of 54 mm (2.1 in), marking it as one of the wetter months of the year. This increase follows a gradual decline from January's 46 mm, as the region transitions into spring. With 10 precipitation days, May sees a balance of wet and dry spells, allowing for bursts of greenery. June continues this trend, with precipitation further rising to 60 mm (2.3 in) over a similar number of rainy days. This pattern of increasing rainfall supports the flourishing landscapes characteristic of Savonlinna during warmer months, inviting both nature enthusiasts and local residents to embrace the vibrant surroundings.
In May, Savonlinna experiences a delightful shift in humidity, dropping to 77% from the higher levels observed in the earlier months. This transition marks the beginning of a trend towards more comfortable conditions as spring gives way to summer. Notably, the humidity levels continue to decline slightly into June, reaching 75%, before rising again during the warm summer months of July and August. As the year progresses, humidity in Savonlinna tends to fluctuate, but May stands out as a refreshing point where residents and visitors can enjoy the beauty of the landscape without the heavy, damp air typical of winter and early spring. This makes May an ideal time to explore the charming surroundings of this Finnish gem.
As spring transitions into summer, May in Savonlinna, Finland sees a noticeable increase in UV radiation, reflected in its moderate UV Index of 5. This marks a step up from the earlier months of the year, where the initial low exposure categories dominated in January and February, with just 1 on the UV Index. As warmer weather approaches, residents and visitors should be mindful of the 30-minute burn time, which signals that even moderate sun exposure can lead to skin damage. Notably, May prepares the stage for the more intense UV levels of June and July, where the risk escalates to high categories. For more details on UV trends, visit Savonlinna UV Index.
UV Risk Categories
As the chill of winter gradually recedes, Savonlinna emerges into the light with a noticeable boost in sunshine hours. Starting from a mere 34 hours in January, the days grow progressively brighter, peaking in May with an impressive 437 hours of sunshine. This remarkable increase reflects the region's enchanting transition from the long, dark winters to the vibrant energy of spring. April marks a significant turning point, with 355 hours of sun laying the foundation for May's luminous display. Even as the summer months roll in, the sunshine remains plentiful, with June reaching its zenith at 490 hours, before slightly tapering off in July. This trend highlights May as a beloved month in Savonlinna, offering the perfect blend of warmth and light, enticing both locals and visitors to bask in the delightful embrace of nature.
As spring transitions into early summer, May in Savonlinna, Finland, offers a noteworthy glimpse of sunny weather, with a 28% chance of sunshine. While this figure marks a decrease from the sunniest months of June and July, it shows a resilience compared to earlier months like January and April, which have only 1% and 43% chances, respectively. This gradual increase in sunlight from March’s 36% to May’s 28% illustrates the region’s warming trend, making May a promising month for enjoying the outdoors, even if sunny days are still somewhat limited. Embrace the balance of spring’s blossoming beauty and the lingering chill, knowing that brighter days are just around the corner.
In Savonlinna, Finland, the transition from winter to summer is marked by a remarkable increase in daylight hours. Starting with a modest 6 hours of daylight in January, the days begin to gradually lengthen, reaching 8 hours in February and 11 hours by March. As spring unfolds, daylight surges to 14 hours in April, and by May, residents bask in an impressive 17 hours of sunlight. This momentum only grows as summer approaches, peaking at 19 hours in June. The gradual decline begins in July with 18 hours, continuing into August at 15 hours. Autumn brings shorter days, dropping to 12 hours in September, and the daylight dims further as winter nears, ultimately returning to just 5 hours in December. This cyclical rhythm showcases not only the beauty of changing seasons but also the profound impact on daily life in Savonlinna.
In May, Savonlinna experiences a gentle average wind speed of 3.5 m/s (8 mph), maintaining a slight increase from the more stable winds of April. This subtle rise reflects a shift as the city transitions deeper into spring, allowing for lively breezes that complement the blooming landscapes. Interestingly, while the wind picks up slightly in May, it falls short of the more invigorating gusts expected in the summer months. Overall, the moderate winds of May set a pleasant atmosphere, perfect for enjoying the emerging warmth and vibrant nature, while hinting at the breezy patterns that will prevail as the season progresses.
Weather in Savonlinna varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Savonlinna, focusing on differences in temperature, rainfall, humidity, and UV levels.
The weather in May and January presents a stark contrast in Savonlinna, with January typically being much colder. In January, temperatures can plunge to a minimum of -27°C (-16°F) and rarely rise above 6°C (43°F), averaging around -5°C (23°F). This month also experiences high humidity levels of 98%, and precipitation occurs on about 12 days. In comparison, May offers a much milder climate, with temperatures ranging from a minimum of -4°C (25°F) to a maximum of 27°C (80°F), averaging 10°C (50°F). Although it sees slightly more precipitation at 54 mm (2.1 in) over about 10 days, the overall atmosphere feels significantly more temperate and pleasant. For a closer look at January's weather specifics, you can visit Savonlinna weather in January.
Comparing the weather in May and February reveals stark contrasts. In May, temperatures range from a chilly -4°C (25°F) at night to a pleasant 27°C (80°F) during the day, with an average of 10°C (50°F). This month experiences about 54 mm (2.1 inches) of precipitation over 10 days, accompanied by a moderate humidity of 77%. In sharp contrast, February is marked by much colder temperatures, with lows plummeting to -26°C (-15°F) and highs only reaching 5°C (41°F), resulting in an average of -6°C (21°F). The precipitation in February is slightly lower at 47 mm (1.8 inches) over 11 days, but the humidity is significantly higher at 96%. For more specific information, you can refer to Savonlinna weather in February.
When comparing the weather in May and March, it's evident that May brings significantly milder temperatures, with an average of 10°C (50°F) compared to March's frigid average of -3°C (27°F). The range in May showcases a pleasant high of 27°C (80°F), while March experiences a maximum of only 9°C (49°F). Additionally, precipitation is slightly higher in March at 45 mm (1.8 in) over 12 days, compared to May's 54 mm (2.1 in) across 10 days. Humidity levels are also higher in March at 93%, in contrast to May's more comfortable 77%. For a detailed look at March weather specifically, visit Savonlinna weather in March.
In comparing the weather between April and May, we see a significant warming trend as spring progresses. May boasts a minimum temperature of -4°C (25°F) and an average of 10°C (50°F), while April's temperatures dip lower, with a minimum of -11°C (12°F) and an average of only 2°C (36°F). The maximum temperature in May reaches 27°C (80°F), a stark contrast to April's peak of 19°C (66°F). Additionally, May experiences a slight increase in precipitation with 54 mm (2.1 in) over about 10 days, compared to April's 43 mm (1.7 in) over 11 days. Humidity also decreases, with May at 77% compared to April's higher 88%. For more details on April conditions, check out Savonlinna weather in April.
In May, temperatures vary significantly, with a minimum of -4°C (25°F) and a maximum of 27°C (80°F), leading to an average of 10°C (50°F). The month experiences about 54 mm (2.1 in) of precipitation over approximately 10 days, coupled with a humidity level of 77%. In contrast, June brings a warmer climate, with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 31°C (89°F) and an average temperature of 16°C (61°F). Although precipitation increases slightly to 60 mm (2.3 in) over 11 days, humidity decreases marginally to 75%. For more details on the weather in June, you can check Savonlinna weather in June.
May and July showcase a notable transition in weather patterns. May experiences cooler temperatures, with a minimum of -4°C (25°F) and a maximum reaching 27°C (80°F), while July sees a warmer minimum of 8°C (46°F) and highs peaking at 31°C (88°F). Additionally, July is characterized by increased humidity at 82% compared to May's 77%. Precipitation also rises from 54 mm (2.1 in) in May to 73 mm (2.9 in), reflecting a shift toward wetter conditions, with July experiencing rain on an average of 13 days, slightly more than May's 10 days. For a closer look at July's weather, check out Savonlinna weather in July.
May and August in Savonlinna present contrasting weather experiences, with May showcasing a wider temperature range from a chilly minimum of -4°C (25°F) to a warm maximum of 27°C (80°F), averaging around 10°C (50°F). The month also tends to be relatively dry with a total precipitation of 54 mm (2.1 in) over about 10 days, coupled with a humidity level of 77%. In comparison, August brings a more consistent warmth, with temperatures ranging from a minimum of 8°C (46°F) to a maximum of 28°C (83°F), averaging 16°C (61°F). However, it also sees increased rainfall with 88 mm (3.5 in) of precipitation over approximately 15 days, resulting in slightly higher humidity at 84%. For a detailed look at August weather, you can check Savonlinna weather in August.
May and September present distinct weather patterns, with May generally warmer and drier than September. In May, temperatures range from a chilly -4°C (25°F) at night to a pleasant 27°C (80°F) during the day, with an average of 10°C (50°F). The month sees around 54 mm (2.1 in) of precipitation over approximately 10 days, accompanied by a humidity level of 77%. In contrast, September experiences cooler temperatures, with lows of 0°C (32°F) and highs reaching 23°C (73°F), averaging 11°C (51°F). Additionally, it tends to be wetter, with 74 mm (2.9 in) of rainfall spread over 13 days and higher humidity at 90%. For those interested in the specifics of September weather, more details can be found here: Savonlinna weather in September.
May and October exhibit distinct weather patterns that reflect the transition from spring to autumn. In May, temperatures range from a low of -4°C (25°F) to a comfortable average of 10°C (50°F), peaking at a pleasant 27°C (80°F). The month sees about 54 mm (2.1 in) of precipitation over approximately 10 days, with humidity levels around 77%. In contrast, October presents cooler conditions, with minimum temperatures dipping to -5°C (23°F) and an average of 6°C (42°F), peaking at just 17°C (63°F). The precipitation increases to 73 mm (2.9 in) over about 13 days, accompanied by higher humidity at 93%. For more detailed information, check out this link: Savonlinna weather in October.
May and November showcase distinctly different weather patterns, reflecting the transition from spring to late autumn. In May, temperatures range from a chilly -4°C (25°F) at night to a warm 27°C (80°F) during the day, with an average of 10°C (50°F). The month also sees moderate precipitation of 54 mm (2.1 in) over approximately 10 days and has a humidity level of 77%. In contrast, November experiences much colder temperatures, with a minimum of -12°C (10°F) and a maximum of just 10°C (50°F), averaging 1°C (34°F). While the precipitation level is slightly lower at 51 mm (2.0 in), it occurs over more days, roughly 13, and the humidity rises significantly to 93%. For more details on November weather, you can check Savonlinna weather in November.
May and December present stark contrasts in weather conditions. May experiences milder temperatures, with averages around 10°C (50°F) and a maximum of 27°C (80°F), while December is much colder, averaging -4°C (26°F) and peaking at just 4°C (40°F). Precipitation is also notable; May sees about 54 mm (2.1 in) spread over 10 days, whereas December has a higher total of 70 mm (2.8 in) over 15 days. Additionally, humidity levels in December reach a significant 95%, compared to 77% in May. For more specific weather details, you can check out Savonlinna weather in December.
As May unfolds in Savonlinna, the weather begins to shed the remnants of winter, offering a refreshing transition into milder temperatures. With highs peaking at a delightful 27°C, it’s a sharp contrast to the chill of earlier months, while the average temperature hovers around a comfortable 10°C. However, the month isn’t without its share of rain, as approximately ten days see some precipitation, contributing to the lush, green landscape that characterizes this time of year. The humidity levels also rise, creating a feeling of warmth that draws both locals and visitors outdoors. For those interested in understanding how Savonlinna’s May weather stacks up against other months, explore more at Savonlinna Climate.