Last updated: August 27, 2025
May in Umeå, Sweden presents a vibrant transitional period as winter gives way to spring. The maximum temperature reaches a pleasant 21°C (71°F), while the average hovers around 7°C (44°F), offering a refreshing atmosphere marked by a distinct minimum of -1°C (30°F). Although residents and visitors can enjoy the burgeoning warmth, May also brings about 46 mm (1.8 in) of rainfall over 9 days, contributing to a humidity level of 77%. This combination of mild temperatures and moderate precipitation makes May an ideal time to experience the budding beauty of Umeå’s landscapes.
As spring unfolds in Umeå, Sweden, May brings a significant shift in temperatures, heralding the arrival of warmer days. With nighttime lows hovering around -1°C (30°F) and average daytime temperatures rising to a comfortable 7°C (44°F), residents begin to shed their winter layers. The month culminates in highs reaching 21°C (71°F), providing a delightful contrast to the frigid winter months that have long gripped the region. This seasonal transition not only marks a notable increase from April's maximum of 12°C (54°F) but also sets the stage for the blossoming summer ahead. As nature awakens, so too does the vibrant energy of Umeå, inviting both locals and visitors to bask in the longer, sunnier days of May.
In May, Umeå experiences a notable transition as spring unfolds; the city records 46 mm (1.8 in) of precipitation over 9 days. This month marks a slight increase from the drier April, which saw only 28 mm (1.1 in) across fewer precipitation days. May's rainfall is consistent with the upward trend observed in late spring, setting the stage for the summer months. With temperatures warming and vegetation thriving, the balanced precipitation supports both blooming landscapes and longer, sunnier days, making May a vibrant prelude to Umeå's lush summer season.
May in Umeå, Sweden, marks a noticeable shift in humidity as it drops to 77%, the lowest level since the onset of winter. This reduction reflects the gradual warming and longer days of spring, offering a pleasant respite from the high humidity of the colder months, which hovers around 90% or higher from January through April. As we transition into summer, June further decreases to 74%, hinting at a more comfortable and drier season ahead. The patterns reveal that while humidity tends to rise again in late summer and autumn, May stands out as a refreshing pivot toward warmer and more enjoyable weather, inviting residents to embrace the beauty of spring.
May marks a noticeable shift in Umeå's UV Index as it rises to 5, indicating a moderate exposure category. This increase suggests that sun safety measures become increasingly important, especially as the burn time decreases to 30 minutes. Compared to the earlier months of the year, where the UV Index lingered in the low range, May brings a heightened need for awareness and protection against UV rays. With summer approaching, residents and visitors can expect to enjoy more sun-filled days, but it's crucial to remain vigilant to prevent overexposure. As you step out to bask in the beauty of spring, remember to stay informed about the UV Index: Umea UV Index.
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May is a vibrant turning point in Umeå, Sweden, where the sun begins to shine more generously, delivering 463 hours of daylight. This marks a significant leap from the 361 hours registered in April, showcasing the gradual ascension towards the sunlit days of summer. As spring unfolds, the increase in sunshine hours not only energizes the community but also transforms the landscape into a lush tapestry of color, inviting residents and visitors alike to bask in the warming glow. June continues this sunny trend with 507 hours, but it's May that truly captures the essence of renewal and optimism, setting a cheerful tone for the season ahead. Following the long, dark winter months, this surge in daylight is a welcome embrace, heralding longer days filled with outdoor adventures and the beauty of nature.
In Umea, Sweden, the likelihood of sunny weather experiences a gradual ascent from the depths of winter, peaking in the warmth of summer. May offers a 36% chance of sunshine, which is a notable decline from the preceding month of April, where sunny days appear nearly half the time at 47%. This drop indicates a transitional phase, where the long days of spring are still battling the remnants of lingering clouds. As the days lengthen and summer beckons, June brings an increase to 41%, suggesting that May serves as a bridge toward sunnier skies. While not the sunniest month, May still holds promise for those eager to embrace the emerging warmth and light.
As the calendar turns to May in Umeå, Sweden, residents are greeted with a significant boost in daylight hours, basking in approximately 18 hours of sunlight each day. This month marks a pivotal transition from the darker winter months, where January sees just 5 hours of daylight, to the bright, extended days of summer. The increase is staggering, moving from 11 hours in March to 15 hours in April, leading to this joyous May abundance. Following this peak, daylight gradually begins to recede into the summer's twilight, with June reaching its zenith at 20 hours before settling into the shorter days of late summer and autumn. This trend not only signals the approach of vibrant summer but also invites the locals to embrace outdoor activities under the spectacular northern lights of the midnight sun.
In Umeå, Sweden, the winds of May blow at an average speed of 4.1 m/s (9 mph), marking a slight decline from the breezier months earlier in the year. This gentle gustiness contrasts with the more invigorating winds of March, which peak at 5.2 m/s (12 mph), before tapering off. Notably, as spring transitions into summer, wind speeds continue to gradually decrease, with June and July maintaining a similar calm at 3.9 m/s and 4.1 m/s, respectively. This overall trend of diminishing wind speeds as May unfolds into summer creates a serene atmosphere, perfect for enjoying the blossoming landscapes and outdoor activities that the season has to offer.
Weather in Umea varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Umea, 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 overall conditions. May sees a much milder range, with average temperatures hovering around 7°C (44°F) and highs reaching up to 21°C (71°F). Conversely, January experiences significantly colder temperatures, averaging -4°C (25°F) and dipping as low as -20°C (-4°F). Additionally, January tends to be more humid, with a humidity level of 95% compared to May’s 77%. Precipitation amounts are fairly similar, with January receiving 55 mm (2.2 in) over 10 days and May receiving 46 mm (1.8 in) over 9 days. For more detailed information, you can check Umea weather in January.
In comparing the weather between May and February, notable differences emerge. May experiences a much milder climate, with temperatures ranging from a minimum of -1°C (30°F) to a maximum of 21°C (71°F) and an average of 7°C (44°F). The month also sees 46 mm (1.8 in) of precipitation over nine days, accompanied by a humidity level of 77%. In contrast, February is considerably colder, with temperatures ranging from a frigid -19°C (-3°F) to a maximum of 6°C (43°F) and an average temperature of -5°C (24°F). February also has slightly higher precipitation at 53 mm (2.1 in) over the same number of days, but with a higher humidity level of 93%. For more details on February weather patterns, you can refer to Umea weather in February.
In May, temperatures in Umea are significantly warmer than in March, with minimums ranging from -1°C (30°F) to maximums reaching 21°C (71°F), compared to March's chilly range of -17°C (1°F) to 9°C (48°F). While both months experience similar levels of precipitation—46 mm (1.8 in) in May versus 47 mm (1.8 in) in March—May sees slightly less rainfall spread over nine days, compared to ten days in March. Additionally, the humidity in May is lower at 77%, compared to March's higher rate of 91%, making May's weather feel considerably more pleasant. For more details on March's climate, visit Umea weather in March.
In comparing the weather of April and May, May generally offers milder temperatures, with lows of -1°C (30°F) and highs reaching 21°C (71°F), contrasting notably with April's chillier range of -9°C (17°F) to 12°C (54°F). Precipitation is more frequent in May, totaling 46 mm over 9 days, while April sees less rain, with 28 mm over 7 days. Additionally, humidity remains high in both months, but is slightly elevated in April at 85%, compared to 77% in May. For a more detailed look at April's weather, you can visit Umea weather in April.
In comparison to May, June generally experiences a noticeable rise in temperatures, with average temperatures increasing from 7°C (44°F) in May to 13°C (56°F) in June. The maximum temperatures also see a slight uptick, reaching 23°C (73°F) in June compared to 21°C (71°F) in May. While both months have similar precipitation patterns, with rain occurring on about nine days, June has slightly higher total precipitation at 55 mm (2.2 in) compared to May's 46 mm (1.8 in). Humidity levels remain relatively consistent, with May at 77% and June slightly lower at 74%. For a deeper look into June's weather specifics, check out Umea weather in June.
In May, the weather is characterized by cooler temperatures, with a minimum of -1°C (30°F) and an average of 7°C (44°F), peaking at 21°C (71°F). The month sees around 46 mm (1.8 in) of precipitation over 9 days, with humidity levels averaging 77%. In contrast, July brings warmer conditions, with temperatures ranging from a minimum of 8°C (46°F) to an average of 16°C (61°F), and a maximum of 26°C (80°F). Although July experiences more precipitation, totaling 63 mm (2.5 in) over 11 days, humidity increases slightly to 80%. For a more detailed look at July weather, you can visit Umea weather in July.
May and August present distinct contrasts in weather. In May, temperatures range from a chilly minimum of -1°C (30°F) to a comfortable maximum of 21°C (71°F), with an average temperature of 7°C (44°F). The month sees about 46 mm (1.8 in) of precipitation spread over 9 days, and humidity levels sit at 77%. In comparison, August offers milder conditions with minimum temperatures of 6°C (44°F) and maximums reaching 25°C (76°F), leading to a higher average of 15°C (59°F). Precipitation increases to 77 mm (3.0 in) over 12 days, and humidity also rises slightly to 82%. For more details on the weather in August, you can check Umea weather in August.
In May, the weather is characterized by cooler temperatures, with a minimum of -1°C (30°F) and an average of 7°C (44°F), peaking at a mild 21°C (71°F). The month experiences 46 mm (1.8 in) of precipitation over about 9 days, and humidity sits at a comfortable 77%. In contrast, September sees slightly warmer temperatures, with a minimum of 1°C (34°F), an average of 11°C (51°F), and a maximum of 19°C (66°F). However, it is noticeably wetter, with 85 mm (3.4 in) of rain over 12 days and higher humidity at 88%. For more details on September weather, you can visit Umea weather in September.
May and October showcase a distinct shift in weather patterns, reflecting the transition from spring to autumn. In May, temperatures range from a chilly -1°C (30°F) at night to a pleasant 21°C (71°F) during the day, with an average temperature of 7°C (44°F). The month sees relatively low precipitation at 46 mm (1.8 in) over about 9 days, accompanied by a moderate humidity of 77%.
Conversely, October experiences cooler temperatures, with minimums dropping to -5°C (23°F) and a maximum of only 14°C (58°F), resulting in an average of 5°C (42°F). Precipitation significantly increases to 114 mm (4.5 in) across approximately 17 days, along with heightened humidity reaching 92%. For more detailed information about October weather, you can refer to Umea weather in October.
May and November present contrasting weather characteristics. In May, temperatures range from a chilly -1°C (30°F) at night to a pleasant max of 21°C (71°F), with an average of 7°C (44°F). The month experiences about 46 mm (1.8 in) of precipitation over 9 days, accompanied by a humidity level of 77%. In stark contrast, November brings much colder conditions, with temperatures dipping to a minimum of -16°C (4°F) and averaging only 1°C (34°F), peaking at 11°C (52°F). This month also sees increased precipitation, measuring 79 mm (3.1 in) across 13 days, while humidity rises to a notable 92%. For a more detailed look at November weather specifics, check out Umea weather in November.
May and December present stark contrasts in weather conditions. In May, temperatures range from a chilly minimum of -1°C (30°F) to a pleasant maximum of 21°C (71°F), making it a month where the weather begins to warm up. The average temperature hovers around 7°C (44°F), accompanied by moderate precipitation of 46 mm (1.8 inches) over about 9 days, and humidity levels at 77%.
In contrast, December experiences a much colder climate, with temperatures plunging from a minimum of -16°C (4°F) to a maximum of only 6°C (44°F). The average temperature during this month is -2°C (29°F), and it sees significantly higher precipitation of 91 mm (3.6 inches) spread over 16 days, coupled with even higher humidity at 93%. For more detailed insights into weather conditions during December, you can visit Umea weather in December.
As spring unfolds in Umea, May brings a refreshing change from the chill of winter and the lingering coolness of early spring. This month sees a significant rise in temperatures, boasting a pleasant average that makes outdoor activities more enjoyable. While some precipitation still graces the city, with about nine wet days, it is offset by increasingly warmer days, making the air feel vibrant and full of life. The humidity level also begins to ease, enhancing the overall experience of the beautiful blooming scenery. For a deeper insight into Umea's weather patterns, be sure to check out Umea Climate.