May Weather in Punkaharju, Finland

Last updated: August 21, 2025

In Punkaharju, Finland, May usher in a refreshing blend of temperatures, ranging from a minimum of -3°C (26°F) to a lofty maximum of 28°C (82°F). With an average temperature of 9°C (49°F), the month beautifully transitions from chilly beginnings to warm days. However, May is also characterized by its fair share of rainfall, accumulating 55 mm (2.2 in) over approximately 11 days, contributing to a humidity level of 77%. This combination of temperatures and moisture sets the stage for lush landscapes and vibrant flora, making May a captivating time to experience the natural beauty of this enchanting Finnish locale.

May Temperature in Punkaharju

As spring fully embraces Punkaharju in May, temperatures begin to show a delightful upward trend. The month starts off with a minimum of -3°C (26°F) and peaks with a maximum reaching a warm 28°C (82°F), reflecting a significant warming compared to the preceding months. The average temperature settles at a comfortable 9°C (49°F), inviting locals and visitors alike to bask in the budding beauty of nature. This transition from the harsh winter chill to the more temperate spring provides an exhilarating backdrop for outdoor activities, as May marks a vibrant shift toward the warmth of summer.

May Weather in Punkaharju: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Punkaharju, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Punkaharju, May typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec222127364961636051423426
Data source: Temperature data for Punkaharju generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Punkaharju

In Punkaharju, Finland, May marks a notable increase in precipitation, with 55 mm (2.2 in) of rainfall spread over 11 days. This uptick hints at the transition from the drier spring months into the lushness of early summer. Compared to the preceding months, where precipitation remained consistent around 46 mm, May not only exceeds these figures but also sets the stage for the wetter period ahead, as June further escalates with 58 mm (2.3 in). The steady pattern of 11 rainy days in May aligns with the overall trend of consistent precipitation throughout spring, suggesting a balanced shift toward a more vibrant and verdant landscape as nature awakens.

May Precipitation Trends in Punkaharju

The chart displays monthly precipitation patterns in Punkaharju, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Punkaharju, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec464846465558809276745172
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Punkaharju

May in Punkaharju, Finland, marks a significant shift in humidity levels as the air begins to feel notably drier, with an average humidity of 77%. This drop from April's 88% sets the stage for a more refreshing atmosphere as spring unfolds. The transition continues into the early summer months, with June slightly lowering humidity further to 75%. This trend highlights a seasonal pattern where the humidity peaks in the winter and early spring before gradually decreasing, offering a welcome relief for residents and visitors alike. As the days grow longer and temperatures rise, the more comfortable and pleasant conditions of May offer a perfect backdrop for outdoor activities and enjoying nature's beauty.

May Average Humidity in Punkaharju

This chart illustrates the average monthly humidity levels in Punkaharju, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Punkaharju is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec98%96%93%88%77%76%82%84%90%93%93%95%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Punkaharju

As we transition into May, the UV Index in Punkaharju, Finland rises to 5, marking a shift from the lower values seen in the earlier months. While still categorized as moderate, this increase signifies that sun protection becomes increasingly important, with a recommended burn time of just 30 minutes. This trend continues into June and July, where the index peaks at 7, highlighting the need to stay vigilant against UV exposure during the mid-summer months. As the year progresses, the UV Index generally fluctuates between low and moderate levels, reinforcing the importance of adjusting sun safety practices throughout the seasons. For comprehensive insights on UV levels throughout the year, visit Punkaharju UV Index.

Maximum UV Index Levels in Punkaharju for May

The chart shows the monthly maximum UV Index (UVI) for Punkaharju in May, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In May, the maximum UV index in Punkaharju typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113456753211
Data source: Punkaharju May UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

May Sunshine in Punkaharju

In Punkaharju, Finland, the arrival of May heralds a significant surge in sunshine, peaking at an impressive 434 hours. This vibrant increase follows a steady ascent from the 33 hours in January to a blossoming 352 hours by April, showcasing the gradual transition from winter's shadows to springtime brightness. As nature awakens, May's sunlight not only brightens the landscape but also sets the stage for the summer months ahead, with June boasting even more hours of sunshine at 493. The trend is clear: as the year progresses, daylight becomes increasingly abundant, transforming this picturesque setting into a sun-drenched paradise that invites exploration and enjoyment.

Monthly Sunshine Duration in Punkaharju: May Highlighted

The May sunshine duration represents the total number of hours Punkaharju experiences direct sunlight during the month of May, excluding cloudy or obstructed periods. This chart compares the sunshine duration of May with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec33h131h246h352h434h493h479h392h278h184h83h25h
Data source: Punkaharju May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Punkaharju During May

In Punkaharju, Finland, the likelihood of sunny weather sees a notable shift as spring gives way to summer. By May, the chance of sunshine reaches 29%, a significant improvement from the 42% in April, although it dips from the promising outcomes expected in the months just ahead. This marks a turning point following the chillier winter months, where sun chances are as low as 1% in January and only 10% in February. As May unfolds, residents can anticipate more sunny days, although it's essential to keep in mind that June and July bring a much brighter forecast, with sun probabilities leaping to 53% and 55% respectively. Thus, while May may have its share of sunshine, it's just a glimpse of the brighter days on the horizon.

Percentage of Sunny Days in May in Punkaharju

The chart illustrates the percentage of sunny days in Punkaharju throughout the year, with May highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Punkaharju experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec1%10%36%43%29%53%55%24%23%15%8%8%
Data source: Punkaharju May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Punkaharju in May

As spring unfolds in Punkaharju, Finland, daylight begins to stretch delightfully. By May, the sun colors the horizon for an impressive 17 hours, marking a significant leap from the mere 6 hours of daylight in January. This upward trend continues into June, where daylight peaks at 19 hours, creating long, vibrant days perfect for outdoor adventures. As summer wanes into July, the sunlight gently tapers off to 18 hours, but the essence of long days remains. Transitioning into August, daylight gracefully decreases to 15 hours, hinting at the approaching autumn. Overall, May stands as a radiant bridge between the flourishing days of spring and the sunnier summer, illustrating the dramatic shift in daylight that characterizes Finland's northern climate.

Average Daylight Hours in Punkaharju for May

The chart illustrates the variation in daylight duration in Punkaharju throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec6h 19m8h 54m11h 50m14h 49m17h 40m19h 25m18h 27m15h 47m12h 51m9h 54m7h 5m5h 23m
Data source: Punkaharju daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Punkaharju

In Punkaharju, Finland, the month of May sees an average wind speed of 3.3 m/s (7 mph), maintaining a consistent breeze that echoes the serene beauty of late spring. This steady wind speed mirrors the patterns observed in April, highlighting a transitional period as the landscapes awaken. As the year progresses, wind speeds generally increase, peaking in October at 4.1 m/s (9 mph), and dipping slightly during the summer months of July and June, where the average drops to 2.9 m/s (7 mph). Overall, May's mild wind contributes to the gentle charm of the season, providing ideal conditions for outdoor activities amidst Finland's breathtaking nature.

Average May Wind Speed in Punkaharju

The chart displays monthly wind speed patterns in Punkaharju, with values for each month shown alongside May's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how May's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.13.33.83.33.3 m/s2.92.93.63.44.13.93.6
Data source: Punkaharju May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Punkaharju Compares to Other Months

Weather in Punkaharju varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Punkaharju, focusing on differences in temperature, rainfall, humidity, and UV levels.

When comparing the weather in May and January, there is a stark contrast in temperatures and conditions. May sees significantly milder temperatures, with a minimum of -3°C (26°F) and a comfortable average of 9°C (49°F), peaking at 28°C (82°F). This month also experiences moderate precipitation of 55 mm (2.2 in) over 11 days, with humidity levels at 77%.

In contrast, January presents a much harsher climate, with a chilling minimum of -27°C (-16°F) and an average of -5°C (22°F), only rising to a maximum of 6°C (43°F). Although precipitation is slightly less at 46 mm (1.8 in) over the same 11 days, the humidity is notably higher at 98%, which can make the cold feel even more penetrating. For more detailed insights into January weather, check out Punkaharju weather in January.

May weather presents a significant contrast to February, marked by a much wider temperature range. In May, temperatures can dip as low as -3°C (26°F) but can reach as high as 28°C (82°F), averaging around 9°C (49°F). With 55 mm (2.2 in) of precipitation over 11 days and humidity at 77%, May feels much more temperate and spring-like. In stark contrast, February is characterized by much colder temperatures, with a minimum of -27°C (-17°F) and a maximum of just 5°C (41°F), averaging -6°C (21°F). Despite slightly lower precipitation at 48 mm (1.9 in) over the same number of days, the humidity is notably higher at 96%, contributing to a chilly, damp atmosphere. For more details on February weather, visit Punkaharju weather in February.

When comparing the weather in May and March, there is a notable difference in both temperature and overall conditions. In May, temperatures range from a chilly minimum of -3°C (26°F) to a pleasant maximum of 28°C (82°F), with an average of 9°C (49°F). In contrast, March experiences much colder temperatures, with a minimum of -24°C (-12°F) and a maximum of just 10°C (50°F), averaging -3°C (28°F). Additionally, March tends to be wetter, with 46 mm (1.8 in) of precipitation over 12 days compared to May's 55 mm (2.2 in) across 11 days; however, May has a slightly lower humidity at 77% versus March's 93%. Overall, May presents a much milder and more temperate climate, making it far more inviting than the harsh cold of March. For more detailed information on March weather, you can check Punkaharju weather in March.

When comparing the weather in May to that of April, it is clear that May experiences significantly warmer temperatures. In May, the average temperature rises to 9°C (49°F), with a maximum of 28°C (82°F), whereas April sees a much cooler average of 2°C (36°F) and a maximum of only 18°C (64°F). Precipitation levels are slightly higher in May, with 55 mm (2.2 in) over 11 days, compared to April's 46 mm (1.8 in) during the same number of days. Additionally, humidity is lower in May at 77%, compared to April’s 88%, indicating a shift towards a drier atmosphere. For further details, you can refer to Punkaharju weather in April.

May and June exhibit marked differences in weather patterns. While May experiences a wider temperature range, with a minimum of -3°C (26°F) and an average of 9°C (49°F), June consistently warms up, starting at a minimum of 3°C (37°F) and averaging 16°C (61°F). June also boasts higher maximum temperatures, reaching up to 31°C (87°F) compared to May's peak of 28°C (82°F). Precipitation levels are slightly higher in June, with 58 mm (2.3 in) over 11 days, compared to May's 55 mm (2.2 in) across the same number of days. Interestingly, humidity levels remain relatively similar, at 77% in May and slightly lower at 75% in June. For more specific details on the June weather, visit Punkaharju weather in June.

The weather in May tends to be cooler and more variable compared to July, with temperatures ranging from a chilly minimum of -3°C (26°F) to a comfortable maximum of 28°C (82°F), averaging around 9°C (49°F). May experiences about 55 mm (2.2 in) of precipitation over 11 days, accompanied by a humidity level of 77%. In contrast, July showcases a warmer climate with temperatures starting at a minimum of 7°C (45°F), reaching an average of 17°C (64°F), and peaking at 32°C (89°F). Precipitation increases to 80 mm (3.1 in) across 14 days, with humidity slightly higher at 82%. For more details on July weather specifics, check out Punkaharju weather in July.

May and August in Punkaharju present contrasting weather patterns. In May, temperatures vary from a brisk minimum of -3°C (26°F) to a pleasant maximum of 28°C (82°F), with an average temperature of 9°C (49°F). The month experiences a moderate amount of precipitation at 55 mm (2.2 in) over approximately 11 days, and the humidity levels are relatively high at 77%.

In comparison, August showcases milder temperatures, with a minimum of 7°C (46°F) and a maximum of 29°C (84°F), leading to a higher average of 16°C (61°F). However, it brings more rain, totaling 92 mm (3.6 in) across about 15 days, and humidity increases slightly to 84%. For a deeper look at the weather specifics, you can refer to Punkaharju weather in August.

May and September present a fascinating contrast in weather patterns. In May, temperatures range from a chilly -3°C (26°F) at their lowest to a pleasant maximum of 28°C (82°F), with an average of 9°C (49°F). The month experiences about 55 mm (2.2 in) of precipitation over 11 days, with humidity at a moderate 77%. Conversely, September's temperatures are milder overall, with minimums around 0°C (33°F), an average of 11°C (51°F), and maximums reaching 23°C (73°F). This month sees more rain, with a total of 76 mm (3.0 in) spread across 12 days and increased humidity at 90%. For more detailed insights into September’s weather, visit Punkaharju weather in September.

May and October present distinct weather contrasts. In May, temperatures range from a chilly -3°C (26°F) to a warmer 28°C (82°F), with an average of 9°C (49°F). The month sees about 55 mm (2.2 in) of precipitation over 11 days and a humidity level of 77%. In contrast, October brings cooler temperatures, with a minimum of -5°C (22°F) and a maximum of 18°C (64°F), averaging at 6°C (42°F). This month is wetter, with 74 mm (2.9 in) of precipitation spread over 14 days and a higher humidity of 93%. For more details, you can check Punkaharju weather in October.

May and November present distinctly different weather patterns. In May, temperatures range from a minimum of -3°C (26°F) to a maximum of 28°C (82°F), with an average of 9°C (49°F). The month experiences about 55 mm (2.2 in) of precipitation over 11 days and a relative humidity of 77%. In contrast, November is significantly chillier, with temperatures dipping as low as -12°C (11°F) and peaking at 11°C (51°F), averaging around 1°C (34°F). Though November sees slightly less precipitation at 51 mm (2.0 in) over 12 days, it boasts a higher humidity level of 93%. For a closer look at November weather specifics, visit Punkaharju weather in November.

May and December present striking contrasts in weather. In May, temperatures can range from a chilly -3°C (26°F) to a warm 28°C (82°F), with an average of 9°C (49°F). The month sees about 55 mm (2.2 in) of precipitation over roughly 11 days, accompanied by a humidity level of 77%. Conversely, December is much colder, with temperatures plummeting to a minimum of -22°C (-7°F) and only reaching a maximum of 5°C (40°F). December's average temperature is a frigid -4°C (26°F), and the month experiences slightly more precipitation at 72 mm (2.8 in) over 16 days, along with a higher humidity level of 95%. For more insight into the December weather, check out this link: Punkaharju weather in December.

Compare Punkaharju's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Punkaharju

As May unfolds in Punkaharju, the weather begins to shift dramatically, marking a departure from the chill of earlier months. With temperatures rising—where daytime warmth can reach a pleasant 28°C (82°F), and nighttime lows still hovering around 9°C (49°F)—the month offers a refreshing escape from winter's grip. However, it can also bring a bit of unpredictability, with 11 days of precipitation that contribute to the notable 77% humidity. This blend of warmth and moisture fuels the vibrant spring landscape, making May a pivotal month in the transition to summer. To delve deeper into seasonal variations, check out Punkaharju Climate.