Last updated: August 21, 2025
In Lappeenranta, Finland, May brings a vibrant transition into warmer weather, with maximum temperatures reaching 28°C (83°F), while the average sits comfortably at 10°C (50°F). The month experiences a slight chill, with minimum temperatures dropping to -4°C (26°F). Rainfall averages 51 mm (2.0 in) across 10 days, contributing to the area's lush spring landscape. With a humidity level of 77%, the air feels refreshing yet slightly damp, encapsulating the essence of early summer in this charming Finnish city.
In May, Lappeenranta, Finland, experiences a significant warming trend as winter gives way to spring, with temperatures rising considerably. The month begins with a crisp minimum of -4°C (26°F) but quickly averages around 10°C (50°F), offering a breath of fresh air after the harsh cold of the preceding months. By mid-May, residents can enjoy daytime highs reaching up to 28°C (83°F), creating a delightful atmosphere for outdoor activities and exploration. This substantial shift from the chilling lows of late winter and early spring not only signifies the arrival of milder weather but also invites locals and visitors alike to embrace the beauty and vibrancy of Lappeenranta during this beautiful transitional month.
In May, Lappeenranta experiences an average precipitation of 51 mm (2.0 in), making it a relatively wet spring month with 10 rainy days. This slight uptick from the preceding months, along with a gradual warming trend, hints at the transition into the lushness of summer. April's precipitation, slightly lower at 44 mm, sets the stage for May's gentle increase, suggesting that the arrival of warmer temperatures often brings intermittent showers. As May paves the way toward the summer months, the rainfall supports the blooming landscapes, while maintaining a balanced rhythm of sunny days and refreshing rain, perfectly encapsulating the essence of Finnish spring.
As spring comes to a close in Lappeenranta, Finland, May marks a significant shift in humidity levels, dropping to 77%. This decrease signifies a transition from the damp, chilly conditions of the early months, where humidity peaks at 98% in January and gradually tapers through the spring. With each passing month, the trend shows a gradual decline in moisture, creating a more comfortable atmosphere for residents and visitors alike. By June, humidity only slightly dips further to 75%, hinting at a pleasant summer ahead while still maintaining a refreshing edge. This evolving climate invites outdoor activities and enhances the allure of Finland's natural beauty.
As May unfolds in Lappeenranta, Finland, residents begin to notice a shift in their sun exposure, with the UV Index rising to 5—a level categorized as moderate. With a burn time of just 30 minutes, it's essential to take precautions as outdoor activities become more alluring in the warmer weather. This marks an increase from April’s UV Index of 4, highlighting the approaching summer months when sun intensity tends to peak. In comparison to earlier months like January and February, where the UV Index remained at a low level of 1, May serves as a clear indicator of seasonal change and reminds us to embrace the sunlight responsibly. For detailed UV measurements throughout the year, check the Lappeenranta UV Index.
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In Lappeenranta, Finland, May heralds a vibrant shift towards abundance in sunlight, with an impressive 436 hours illuminating the landscape. This marks a significant uptick from the 354 hours recorded in April, reflecting the gradual ascent toward the summer months. The trend of increasing daylight is unmistakable, as it builds upon the earlier months, with March bringing 245 hours and February a mere 128 hours. By contrast, the sun-drenched days of May exceed the dimness of the winter months, like January's dismal 31 hours. This glorious month not only stands out as a springtime highlight but also sets the stage for June's peak of 479 hours, making it a pivotal moment in the annual rhythm of Lappeenranta's daylight, enticing both residents and visitors to embrace the outdoors as nature bursts into life.
In Lappeenranta, Finland, the likelihood of sunny weather in May presents a notable shift compared to the earlier months. While the chance of sun rises steadily from a mere 2% in January to 42% in April, May sees a slight dip to 31%, suggesting that although the days are longer and warmer, overcast days still linger. This decrease marks a transition from the vibrant spring blooms toward the brighter, sunnier days of summer, with June and July boasting a much-improved 56% chance of sun. Thus, while May may not guarantee endless sunshine, it signifies a delightful promise of warmer weather on the horizon.
As spring transitions into summer in Lappeenranta, Finland, May emerges as a bright beacon of increasing daylight, offering approximately 17 hours of sunlight each day. This significant rise from 14 hours in April reflects the region's swift approach to its longest days of the year, peaking in June with a remarkable 19 hours. Following the winter months, where daylight clings to a mere 6 hours in January, the steady climb through February's 9 hours and March's 11 hours is truly invigorating. By May, the extended daylight not only enhances the scenic beauty of the area but also encourages a vibrant outdoor lifestyle, making the most of the lush landscapes and invigorating temperatures. As the days lengthen, Lappeenranta transforms into a sunlit paradise, inviting everyone to embrace the warmth and energy of this flourishing season.
In Lappeenranta, Finland, the wind in May typically hovers around an average speed of 3.3 m/s (7 mph), contributing to the region's refreshing spring atmosphere. This slight dip from April's 3.6 m/s reflects a transition as the chill of winter recedes. Throughout the year, wind speeds tend to exhibit a gradual increase from the calm conditions of late winter into early spring, peaking in October with an average of 4.5 m/s (10 mph). Interestingly, May's winds serve as a gentle precursor to the breezy summer months, where August sees a notable rise back to 3.8 m/s (9 mph). Thus, the May winds in Lappeenranta strike a balance, ushering in warmer days while maintaining a pleasant and invigorating breeze.
Weather in Lappeenranta varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Lappeenranta, focusing on differences in temperature, rainfall, humidity, and UV levels.
May and January present strikingly different weather patterns. In May, temperatures range from a chilly -4°C (26°F) at their lowest to a pleasant 28°C (83°F) at their peak, with an average of 10°C (50°F). The month experiences around 51 mm (2.0 in) of precipitation over 10 days and maintains a humidity level of 77%. In contrast, January is characterized by much colder weather, with temperatures dipping to a frigid -25°C (-12°F) and averaging -4°C (24°F), peaking at a mere 7°C (45°F). This month sees slightly less precipitation at 48 mm (1.9 in) but occurs over 11 days, accompanied by high humidity at 98%. For more detailed insights on January weather, check Lappeenranta weather in January.
The comparison of weather between May and February reveals a stark contrast in temperatures and overall conditions. In May, temperatures range from a chilly -4°C (26°F) at night to a warm 28°C (83°F) during the day, with an average of 10°C (50°F). In contrast, February sees much colder temperatures, with nighttime lows plummeting to -28°C (-18°F) and daytime highs only reaching 6°C (43°F), resulting in an average of -5°C (23°F). Both months experience similar levels of precipitation, with May receiving 51 mm (2.0 in) over approximately 10 days, compared to February's 54 mm (2.1 in) across 11 days. However, February's high humidity at 96% adds to the discomfort of the harsh cold, while May's 77% humidity feels much more pleasant considering the warmer temperatures. For more detailed climate insights, you can visit Lappeenranta weather in February.
Comparing the weather in May and March reveals significant differences in temperature and overall climate conditions. In May, temperatures range from a minimum of -4°C (26°F) to a pleasant average of 10°C (50°F), peaking at 28°C (83°F). The month experiences around 51 mm (2.0 in) of precipitation over 10 days, with a humidity level of 77%. In contrast, March presents much colder conditions, with temperatures ranging from a chilling -24°C (-12°F) to an average of -2°C (29°F), and a maximum of only 11°C (51°F). March sees a similar amount of precipitation at 48 mm (1.9 in), but spread over more days—13 in total—and with higher humidity at 93%. For more details about March weather, check Lappeenranta weather in March.
In comparing the weather of May and April, we notice a significant warming trend. May features a minimum temperature of -4°C (26°F) and an average of 10°C (50°F), reaching a maximum of 28°C (83°F), while April's temperatures were notably colder, with a minimum of -14°C (6°F) and an average of just 3°C (38°F) peaking at 20°C (68°F). Furthermore, May experiences slightly higher precipitation at 51 mm (2.0 in) over 10 days compared to April's 44 mm (1.7 in) over 12 days. This data suggests that while May may be wetter, it is also significantly warmer, making for a more pleasant climate overall. For a closer look at April's conditions, you can check Lappeenranta weather in April.
May and June present a noticeable transition in weather. In May, temperatures range from a chilly minimum of -4°C (26°F) to a comfortable maximum of 28°C (83°F), with an average of 10°C (50°F). The month experiences 51 mm (2.0 in) of precipitation over 10 days, and humidity levels sit at 77%. In contrast, June sees milder temperatures with a minimum of 2°C (36°F) and a maximum of 31°C (89°F), averaging 16°C (62°F). Precipitation remains similar at 52 mm (2.1 in) across the same number of days, while humidity slightly decreases to 75%. For more detailed weather information, check out Lappeenranta weather in June.
May and July present distinct weather characteristics, reflecting the transition from spring to summer. In May, temperatures range from a chilly minimum of -4°C (26°F) to an average of 10°C (50°F), peaking at a warm 28°C (83°F). The month experiences around 51 mm (2.0 in) of precipitation over approximately 10 days, with humidity levels at 77%. In contrast, July sees milder temperatures, with a minimum of 7°C (46°F), an average of 18°C (64°F), and a maximum reaching 32°C (89°F). Precipitation increases to 74 mm (2.9 in) across about 13 days, accompanied by slightly higher humidity at 82%. This shift reveals a move towards a warmer and wetter climate as summer approaches. For more detailed insights, check out Lappeenranta weather in July.
May and August present distinct weather patterns. In May, temperatures range from a chilly minimum of -4°C (26°F) to a pleasant maximum of 28°C (83°F), with an average of 10°C (50°F). The month experiences moderate rainfall, totaling 51 mm (2.0 in) over about 10 days and is characterized by a humidity level of 77%. In contrast, August has a warmer average temperature of 16°C (61°F) and a maximum of 30°C (86°F), with a minimum of 7°C (45°F). This month is wetter, with precipitation measuring 88 mm (3.4 in) spread across 15 days and slightly higher humidity at 84%. For a closer look at the specifics of August weather, you can refer to Lappeenranta weather in August.
May and September offer distinct weather experiences, showcasing the transition from spring to autumn. In May, temperatures range from a chilly -4°C (26°F) at night to a warm 28°C (83°F) during the day, with an average of 10°C (50°F). This month sees approximately 51 mm (2.0 in) of precipitation over about 10 days, along with a humidity level of 77%.
In contrast, September presents a cooler climate with minimum temperatures around 0°C (32°F) and a maximum of 23°C (73°F), averaging 11°C (53°F). Rainfall increases slightly to 67 mm (2.6 in) across 13 days, and humidity rises to 90%. For more details on September’s weather, you can visit Lappeenranta weather in September. Overall, May tends to be warmer and drier, while September is cooler with more moisture in the air.
May and October present distinctly different weather patterns. In May, temperatures range from a chilly minimum of -4°C (26°F) to a pleasant maximum of 28°C (83°F), with an average temperature of 10°C (50°F). The month experiences moderate precipitation, averaging 51 mm (2.0 in) over about 10 days, and humidity stands at 77%. In contrast, October features lower temperatures, with a minimum of -4°C (25°F) and a maximum of 18°C (64°F), leading to an average of just 6°C (44°F). This month is wetter, with 76 mm (3.0 in) of rainfall spread over approximately 14 days and a higher humidity level of 93%. For more detailed insights on October weather, you can visit Lappeenranta weather in October.
When comparing the weather in May and November, notable differences emerge in temperature and humidity. May experiences a wider temperature range, with minimums dropping to -4°C (26°F) and maximums reaching up to 28°C (83°F), leading to a pleasant average of 10°C (50°F). In contrast, November has colder conditions, with temperatures ranging from -8°C (17°F) to a maximum of 11°C (52°F) and an average of just 2°C (36°F). Additionally, November tends to be more humid, with humidity levels reaching 93%, compared to May's 77%. Both months see similar amounts of precipitation, with May at 51 mm (2.0 in) over approximately 10 days and November at 50 mm (2.0 in) over about 11 days. For more detailed information, you can check Lappeenranta weather in November.
In May, the weather is generally more pleasant, with temperatures ranging from a minimum of -4°C (26°F) to a maximum of 28°C (83°F) and an average of 10°C (50°F). The month sees about 51 mm (2.0 in) of precipitation over 10 days and a moderate humidity level of 77%. In contrast, December is much colder, characterized by temperatures that can drop to -20°C (-4°F), with an average of -3°C (27°F) and a maximum of only 5°C (42°F). This month experiences higher precipitation at 74 mm (2.9 in) over 16 days and a significantly higher humidity of 95%. For more details about the winter weather, you can visit Lappeenranta weather in December.
As spring unfolds, May in Lappeenranta brings a remarkable transformation in weather compared to the preceding months. The average temperature rises to a comfortable 10°C, with daytime highs reaching up to a balmy 28°C, offering a delightful respite from the lingering chill of earlier weeks. Although occasional rain is expected, with about 10 days of precipitation totaling 51 mm, the overall humidity remains at a moderate 77%, adding to the fresh and invigorating atmosphere. This perfect mix of warmth and moisture heralds the approach of summer, making May an enchanting time to experience the beauty of Lappeenranta. For a deeper understanding of seasonal changes, check out the comprehensive details on Lappeenranta Climate.