Last updated: August 21, 2025
May in Rauma, Finland brings a delightful transition to spring, with temperatures ranging from a chilly 0°C (32°F) to a pleasant maximum of 19°C (66°F). The average temperature settles around 8°C (46°F), providing a refreshing climate for outdoor activities. While residents and visitors can enjoy the blooming landscape, they should be prepared for occasional rain, as the month sees about 39 mm (1.5 in) of precipitation spread over 7 days. With a humidity level of 77%, the air feels crisp and invigorating, making May an enchanting time to explore Rauma's rich cultural heritage and natural beauty.
May in Rauma, Finland marks a vibrant transition into spring, as temperatures steadily rise from the lingering cold of winter. With minimums around 0°C (32°F) and pleasant averages of 8°C (46°F), it’s a significant leap from the depths of winter, showcasing nature's awakening. The maximum temperature climbs to a delightful 19°C (66°F), inviting residents and visitors alike to embrace outdoor activities amid blooming landscapes. This month stands out as a pivotal moment where the warmth starts to take hold, hinting at the balmy days ahead in June and beyond. The transformation from April's chilly averages of 3°C (38°F) to May's gentle warmth illustrates Rauma's vibrant seasonal shift, making it a time of renewal and exploration.
In May, Rauma, Finland, experiences a modest precipitation total of 39 mm (1.5 in), which is slightly above the preceding month of April. This rainfall typically occurs over a span of 7 days, reflecting the transition into the warmer months when the weather becomes increasingly dynamic. May's precipitation sets the stage for the summer, with rainfall amounts beginning to climb throughout June and peaking in the following months, particularly in July and August. This steady increase contrasts with the drier spells noted in the early spring months, highlighting a clear shift towards a more humid climate as the year progresses. The overall trend suggests that while May is relatively mild, it is a precursor to the wetter conditions that define Rauma's summer season.
As spring transitions into summer, May brings a noticeable dip in humidity levels in Rauma, Finland, settling at 77%. This decrease marks a significant shift from the consistently higher humidity experienced during the winter months, where January and February hover around 92% and 90% respectively. By April, humidity begins to ease with a more comfortable 85%, paving the way for May's refreshing air. Interestingly, while June and July see a slight rise to 78%, the overall trend throughout spring suggests a welcome reduction in moisture, contributing to more temperate and enjoyable conditions as outdoor activities become increasingly common. Such fluctuations highlight the seasonal rhythm of Rauma, offering residents and visitors alike a delightful reprieve from the damp chill of earlier months.
As the days grow longer and warmer in May, Rauma, Finland, experiences a UV Index of 5, categorizing it as moderate. This signifies a shift from the low levels seen in the earlier months of January through April, where the Index remained between 1 and 4. As the UV exposure becomes more significant, residents and visitors should be mindful of sun safety with an average burn time of just 30 minutes. This trend continues into the summer months, with June and July bringing even higher readings of 6, emphasizing the importance of protection against harmful rays. For more insights on UV levels and staying safe in the sun, check out Rauma UV Index.
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May in Rauma, Finland, marks a dramatic shift in daylight, as the sun's presence brightens the landscape with an impressive 453 hours of sunshine. This significant increase builds on the gradual rise from 359 hours in April, promising the region's residents a chance to bask in more warmth and light. As spring fully unfolds, May showcases the peak transition towards summer, with daylight only enhancing in the following month. The trend of increasing sunlight not only uplifts spirits but also invites outdoor activities, making it a delightful time to explore Rauma’s charming streets and seafront. The steady climb in sunshine hours encapsulates the anticipation of summer's arrival, transforming the atmosphere into a vibrant celebration of life and nature.
In Rauma, Finland, the likelihood of sunny weather in May stands at 36%, marking a significant shift from the early months of the year. While the sun rarely graces Rauma in January and February—offering just 7% and 23% chances respectively—there's a noticeable rise as spring progresses. March sees a leap to 40%, followed by April's encouraging 52%. However, by May, the chance dips slightly from April's peak, likely due to the transitional nature of early summer weather. This pattern highlights the variability of sunshine in May, as residents prepare for the sunnier spells of late spring and summer, where the chances soar to 54% in June and 62% in July. Thus, while May offers a decent chance of sun, the best is certainly yet to come for those craving brighter days.
In Rauma, Finland, the transformation of daylight duration offers a captivating glimpse into the changing seasons. As winter gives way to spring, January's six hours of daylight gradually increase, reaching April's fourteen hours. By May, the sun rewards residents with seventeen hours of daylight, heralding the approach of summer. This abundance of light continues to heighten in June, peaking at an impressive nineteen hours, creating an atmosphere of vibrant activity. However, as summer fades, a gentle decline begins, with daylight tapering to eighteen hours in July and gradually diminishing to five hours by December. This rhythmic ebb and flow of sunlight not only marks the passage of time but also deeply influences the lifestyle and mood of the city's inhabitants.
In Rauma, Finland, May brings a gentle breeze with an average wind speed of 4.9 m/s (11 mph), marking a noticeable dip from the gustier months preceding it. As winter transitions into the blossoming warmth of spring, wind speeds typically decrease in May compared to both March and April, which see averages of 6.7 m/s (15 mph) and 5.7 m/s (13 mph) respectively. This calming trend continues into June, where the winds mellow further to 4.6 m/s (10 mph). In the grand scheme, May serves as a serene interlude, inviting residents and visitors alike to enjoy the budding nature without the previous intensity of March’s spring gales. As summer approaches, one can expect the wind to pick up again, especially as autumn sets in, making the gentle winds of May a fleeting yet cherished experience.
Weather in Rauma varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Rauma, focusing on differences in temperature, rainfall, humidity, and UV levels.
In May, the weather is significantly milder compared to January, showcasing a notable increase in average temperatures from -1°C in January to 8°C in May. While January experiences colder conditions with minimum temperatures plummeting to -15°C, May sees a more pleasant range, with a minimum of 0°C and a maximum reaching up to 19°C. Additionally, May has lower humidity at 77%, compared to January's higher humidity level of 92%. Precipitation is also slightly less frequent in May, occurring over 7 days with a total of 39 mm, whereas January witnesses 46 mm of precipitation over 11 days. For more details on January weather, you can check this link: Rauma weather in January.
In comparing the weather between May and February, notable differences emerge. May presents a much milder climate with temperatures ranging from a minimum of 0°C (32°F) to a maximum of 19°C (66°F), averaging at 8°C (46°F). On the other hand, February is considerably colder, with temperatures ranging from a minimum of -15°C (5°F) to a maximum of 6°C (43°F), averaging around -2°C (28°F). Precipitation in May is slightly lower at 39 mm (1.5 in) over 7 days, while February experiences slightly higher precipitation at 42 mm (1.7 in) over 9 days. Humidity levels also contrast, with May at 77% compared to February's 90%. For further details, you can explore Rauma weather in February.
The weather in May is considerably milder than in March, with average temperatures rising to 8°C (46°F) compared to March's chilly average of 0°C (32°F). While May sees a maximum temperature reaching 19°C (66°F), March struggles to reach above 7°C (46°F). Precipitation in May totals 39 mm (1.5 in) over 7 days, slightly less than March's 43 mm (1.7 in) spread over 10 days. Additionally, humidity is lower in May at 77% versus 89% in March, making the later month feel more comfortable. For a closer look at March conditions, check out Rauma weather in March.
In comparing the weather between April and May, we can observe a notable shift in temperatures and overall conditions. April experiences minimum temperatures as low as -3°C (26°F) with an average of 3°C (38°F), whereas May sees a significant increase, with minimums at 0°C (32°F) and an average of 8°C (46°F). While both months receive similar levels of precipitation—36 mm (1.4 in) in April and 39 mm (1.5 in) in May—April's humidity is slightly higher at 85% compared to May's 77%. This combination of warmer temperatures and lower humidity in May contributes to a more pleasant atmosphere as spring fully unfolds. For more detailed information on the weather specifics, you can visit Rauma weather in April.
In May, temperatures range from a chilly 0°C (32°F) at night to a pleasant high of 19°C (66°F) during the day, with an average temperature of 8°C (46°F). The month sees about 39 mm (1.5 in) of precipitation over seven days, and humidity levels hover around 77%. In contrast, June brings warmer conditions, with minimum temperatures starting at 6°C (42°F) and maximums reaching 25°C (78°F), resulting in a more comfortable average of 14°C (57°F). Rainfall in June slightly increases to 42 mm (1.7 in) over the same number of rainy days, alongside a marginal rise in humidity to 78%. For a detailed look at weather specifics, you can check Rauma weather in June.
In May, temperatures range from a chilly minimum of 0°C (32°F) to a comfortable maximum of 19°C (66°F), with an average temperature of 8°C (46°F). This month experiences about 39 mm (1.5 in) of precipitation over approximately 7 days, accompanied by a humidity level of 77%. In contrast, July boasts warmer temperatures, featuring a minimum of 10°C (51°F) and a maximum of 26°C (79°F), with an average temperature of 17°C (63°F). Rainfall increases in July to 77 mm (3.0 in) over around 10 days, with humidity slightly elevated at 78%. For more detailed information on the weather in July, check out Rauma weather in July.
May weather in Rauma is characterized by cooler temperatures, with a minimum of 0°C (32°F) and an average of 8°C (46°F), while August enjoys milder conditions, with minimums around 10°C (49°F) and an average of 17°C (62°F). Precipitation is also more frequent in August, with rainfall occurring on 14 days and totaling 83 mm (3.3 in), compared to May's 39 mm (1.5 in) spread over 7 days. Both months experience high humidity levels, around 77% in May and slightly higher at 79% in August. For a more detailed look at August weather, check out Rauma weather in August.
May and September showcase contrasting weather patterns. In May, temperatures range from a chilly 0°C (32°F) to a mild 19°C (66°F), with an average of 8°C (46°F), while September brings slightly warmer conditions, with temperatures ranging from 5°C (41°F) to 22°C (71°F) and an average of 13°C (55°F). Precipitation also differs significantly; May sees about 39 mm (1.5 in) over approximately 7 days, whereas September experiences higher rainfall of 81 mm (3.2 in) across roughly 13 days. Additionally, humidity levels are higher in September at 86%, compared to May's 77%. For more details about the weather in September, you can visit Rauma weather in September.
In May, temperatures begin to warm up, with a minimum of 0°C (32°F) and a maximum of 19°C (66°F), allowing for pleasant days and mild evenings. However, the month sees an average of 39 mm (1.5 in) of precipitation over approximately 7 days, contributing to a humidity level of 77%. In contrast, October brings cooler temperatures, with a minimum of -1°C (31°F) and a maximum of 15°C (60°F). This month experiences significantly more rain, totaling 101 mm (4.0 in) over 17 days, and a higher humidity level of 90%. The shift from May to October highlights a transition from mild spring weather to the chillier, wetter conditions typical of autumn. For more details on October weather, you can visit Rauma weather in October.
May and November present contrasting weather conditions. In May, temperatures range from a chilly 0°C (32°F) at night to a pleasant maximum of 19°C (66°F) during the day, with an average temperature of 8°C (46°F). This month experiences lower precipitation at 39 mm (1.5 in) and humidity levels of around 77%. In contrast, November brings colder temperatures, with a minimum of -6°C (22°F), an average of 5°C (41°F), and a maximum of 12°C (54°F). Rainfall increases significantly to 73 mm (2.9 in) over 14 days, along with higher humidity at 91%. For more detailed information, check Rauma weather in November.
In May, the weather begins to warm up, with temperatures ranging from a chilly 0°C (32°F) at night to a pleasant 19°C (66°F) during the day, accompanied by an average temperature of 8°C (46°F). Precipitation is relatively low at 39 mm (1.5 in) over about 7 days, and humidity hovers around 77%. In stark contrast, December brings a far colder climate with temperatures dropping as low as -14°C (8°F) and peaking at only 6°C (44°F), averaging just 1°C (34°F). The month sees much more precipitation at 76 mm (3.0 in) spread across 16 days and a higher humidity level of 89%. For more detailed insights, check out Rauma weather in December.
As spring unfolds, May in Rauma presents a refreshing shift from the chillier months of early spring. With warming temperatures that hint at summer, residents can expect a blend of comfortable days and cooler nights, fostering a delightful atmosphere for outdoor activities. While the average humidity remains on the higher side, the 39 mm of rainfall over about a week adds a touch of greenery to the landscape, setting the stage for the lush summer that follows. For a deeper dive into what to expect throughout the year, visit Rauma Climate.