Last updated: August 27, 2025
May in Sigtuna, Sweden showcases a delightful blend of warm and cool temperatures, with a maximum reaching 30°C (85°F) and an average settling at a comfortable 11°C (52°F). However, it’s important to be prepared for the occasional chill, as minimum temperatures can dip to -5°C (23°F). This month sees 56 mm (2.2 in) of precipitation over 10 days, contributing to a humidity level of 77% that enhances the lush beauty of this historic town. Whether you're basking in the sun or enjoying the refreshing rain, May offers a vivid backdrop for outdoor activities and exploration in Sigtuna.
In Sigtuna, Sweden, May heralds a delightful transition into warmer weather, with temperatures showcasing a notable rise compared to the preceding months. The average temperature reaches a pleasant 11°C (52°F), making it a perfect time for outdoor activities. This month brings a minimum of -5°C (23°F) and can peak at a delightful 30°C (85°F), signaling the onset of summer vibes. Compared to April's mild temperatures, May is a clear leap towards warmth, highlighting a significant shift from the wintry chill of earlier months. As Sigtuna thaws, the enchanting landscapes come alive, inviting both locals and visitors to relish the longer, sunnier days ahead.
In May, Sigtuna experiences a notable shift in its weather patterns, with precipitation rising to 56 mm (2.2 in)—the wettest month so far this year. This increase is accompanied by a slight uptick in rain days, totaling 10 throughout the month. Compared to the preceding months, where April recorded only 28 mm (1.1 in) over 7 days, May's rainfall significantly enhances the lush greenery, signaling the full bloom of spring. Interestingly, this month sets the stage for a trend that continues into June, which typically sees even higher precipitation. Collectively, these changes mark May as not just a transitional period, but a vibrant time when Sigtuna is refreshed and revitalized by nature's abundant waters.
In May, Sigtuna, Sweden experiences a noticeable shift in humidity, with levels dropping to 77%, a refreshing change after the dampness of winter months. This trend continues into the early summer, as June and July see even lower humidity levels at 76% and 74% respectively. The gradual decrease from January's chilly 90% reflects the transition from the cold grip of winter toward the more temperate, pleasant conditions of late spring and early summer. However, as the year progresses into autumn, humidity levels rise again, hinting at the cyclical nature of Sigtuna's climate, where lower summer humidity gives way to the more humid months of fall and winter. This dynamic interplay creates a unique weather experience in this charming Swedish town.
As May arrives in Sigtuna, Sweden, the UV Index reaches a moderate level of 5, marking a noticeable transition from the lower indices of the winter months. With a burn time of just 30 minutes, it's crucial for residents and visitors alike to be mindful of sun safety, especially as summer approaches. This gradual increase in UV exposure suggests that outdoor activities should be coupled with protective measures, such as sunscreen and clothing. Comparatively, the UV Index is set to peak in the upcoming summer months, where it climbs to a high of 7, making May a pivotal moment for sun care awareness. To stay informed and prepared, you can check the detailed forecast at Sigtuna UV Index.
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In Sigtuna, Sweden, the arrival of May heralds a significant leap in sunshine, offering an impressive 438 hours of radiant daylight. This dramatic increase follows the gradual ascent from January’s mere 71 hours, showcasing the transition from winter’s gloom to spring’s embrace. As the days lengthen, March and April set the stage with 258 and 362 hours respectively, culminating in the vibrant energy of May. This upward trend continues into the summer, peaking in July with a striking 483 hours of sunlight before gently tapering off in the following months. Collectively, these fluctuations create a tapestry of changing light that illuminates Sigtuna's charm throughout the seasons.
In Sigtuna, Sweden, the likelihood of sunny weather experiences a notable shift as the year unfolds. Starting from a mere 11% chance in January, optimism fluctuates through the early months, peaking at 47% in April as spring fully embraces the region. However, May sees a dip to 30%, highlighting a transitional phase before the summer warmth sets in. As the days lengthen into June and July, sunlight becomes more prevalent, with chances soaring to 48% and 54% respectively. This pattern reflects a journey from sparse sunlight in the winter months to a vibrant summer, making May a rather unpredictable transition month in Sigtuna's weather tapestry.
In Sigtuna, Sweden, the transition into May marks a significant surge in daylight, illuminating the landscape with 17 hours of sunshine. Following the steady increase from a mere 6 hours in January to 14 hours by April, May heralds the arrival of longer, brighter days, inviting residents and visitors alike to bask in the warmth of spring. This upward trend peaks in June with 18 hours of daylight, creating a vibrant atmosphere before gradually tapering off through the summer months and into autumn. Such fluctuations not only enhance the beauty of the seasons but also reflect the changing rhythms of life in this charming town, where every month brings a different balance of light and dark.
In Sigtuna, Sweden, May brings a gentle caress of wind, with an average speed of 3.1 m/s (7 mph), slightly mellowing from the preceding months. This shift reflects a trend of decreasing wind speeds as spring gives way to summer; notably, the breeziest months are characterized by higher averages in March (3.8 m/s) and October (4.0 m/s), suggesting a seasonal rhythm where early spring and autumn experience the strongest gusts. As May settles in, the soft allure of the winds harmonizes with the blooming landscape, offering a calm yet refreshing backdrop that invites both exploration and relaxation in this picturesque town.
Weather in Sigtuna varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Sigtuna, focusing on differences in temperature, rainfall, humidity, and UV levels.
May and January present stark contrasts in weather conditions. In May, temperatures range from a chilly minimum of -5°C (23°F) to a pleasant maximum of 30°C (85°F), with an average of 11°C (52°F), resulting in a much more moderate climate. This month also sees about 56 mm (2.2 in) of precipitation over approximately 10 days, with humidity at 77%. In comparison, January is much colder, with temperatures dipping as low as -23°C (-10°F) and only reaching a maximum of 10°C (51°F), averaging -1°C (31°F). Precipitation is lower, at 34 mm (1.4 in) across about 7 days, but the humidity is slightly higher at 90%. For a closer look at the January weather, you can visit Sigtuna weather in January.
May and February present stark contrasts in weather patterns. In May, temperatures range from a chilly minimum of -5°C (23°F) to a warm maximum of 30°C (85°F), with an average of 11°C (52°F). The month experiences a relatively high humidity of 77% and sees about 56 mm (2.2 inches) of precipitation over approximately 10 days. In contrast, February features much colder temperatures, with a minimum of -17°C (1°F) and a maximum of 12°C (53°F), resulting in a chilly average of -1°C (30°F). This month has lower precipitation at 32 mm (1.2 inches) spread over 7 days, but the humidity is slightly higher at 88%. For a detailed look at February weather, you can visit Sigtuna weather in February.
The comparison between March and May weather reveals distinct seasonal shifts. March is characterized by colder temperatures, with a minimum of -15°C (5°F) and an average of just 1°C (35°F), while May enjoys a more temperate range, featuring a minimum of -5°C (23°F) and an average of 11°C (52°F), peaking at a warm 30°C (85°F). Precipitation is slightly higher in May at 56 mm (2.2 in) over 10 days, compared to March's 41 mm (1.6 in) over 8 days. Additionally, March tends to have higher humidity levels at 89%, contrasted with May's 77%. For more specific details about March's weather, you can check this link: Sigtuna weather in March.
In comparing the weather between April and May, there are notable differences in temperature, precipitation, and humidity. April's temperatures range from a minimum of -9°C (17°F) to a maximum of 24°C (76°F), with an average of 5°C (42°F) and a total precipitation of 28 mm (1.1 in) over 7 days of rainfall. This month typically experiences higher humidity at 85%. In contrast, May sees a significant increase in temperatures, with a minimum of -5°C (23°F), an average of 11°C (52°F), and a maximum of 30°C (85°F). Precipitation rises to 56 mm (2.2 in) spread over 10 days, while humidity is slightly lower at 77%. For a closer look, you can check Sigtuna weather in April.
In comparing the weather of May and June, we see a noticeable transition as temperatures rise. May experiences a wider range, with minimums dipping as low as -5°C (23°F) and maximums reaching up to 30°C (85°F), resulting in an average temperature of 11°C (52°F). June, on the other hand, offers a milder range, starting at a minimum of 3°C (37°F) and peaking at 31°C (89°F), with an average of 17°C (63°F). Precipitation levels are fairly similar, with May receiving 56 mm (2.2 in) over 10 days and June slightly higher at 58 mm (2.3 in) over 8 days. Humidity remains consistent, with May at 77% and June just slightly lower at 76%. For more specific insights into June weather, you can visit Sigtuna weather in June.
May and July exhibit notable differences in weather patterns, reflecting the transition from spring to summer. In May, temperatures range from a chilly min of -5°C (23°F) to a warm max of 30°C (85°F), with an average temperature of 11°C (52°F). The month experiences a heightened level of humidity at 77% and receives 56 mm (2.2 in) of precipitation over approximately 10 days. In contrast, July brings milder temperatures, with a minimum of 6°C (44°F) and a maximum of 32°C (91°F), resulting in a warmer average of 18°C (65°F). Precipitation slightly decreases to 53 mm (2.1 in) over the same number of days, along with a marginally lower humidity level of 74%. For more details on the conditions in July, you can visit Sigtuna weather in July.
In May, temperatures range from a chilly -5°C (23°F) at the minimum to a warm 30°C (85°F) at the maximum, with an average of 11°C (52°F). The month sees a total precipitation of 56 mm (2.2 in) over approximately 10 days, and the humidity remains high at 77%.
In contrast, August offers a milder temperature spectrum, with a minimum of 4°C (39°F), an average of 17°C (63°F), and a peak of 31°C (88°F). Precipitation increases slightly to 74 mm (2.9 in) over about 12 days, while humidity stays consistent at 77%.
For a detailed look at typical conditions, you can check Sigtuna weather in August. Overall, while both months share similar humidity levels, May experiences greater temperature fluctuations compared to the more stable August climate.
May and September present contrasting yet mild weather patterns. In May, temperatures range from a chilly -5°C (23°F) to a warm 30°C (85°F), averaging around 11°C (52°F). The month experiences about 56 mm (2.2 in) of precipitation over 10 days, with humidity sitting at 77%. In comparison, September offers a milder temperature range, with a minimum of -1°C (30°F), an average of 13°C (55°F), and a maximum of 27°C (80°F). This month sees slightly less precipitation at 51 mm (2.0 in) over 8 days, but humidity increases to 85%, making it feel a bit more muggy. For a detailed look at September weather, check out Sigtuna weather in September.
May and October present distinctly different weather patterns. In May, temperatures range from a chilly -5°C (23°F) at night to a warm max of 30°C (85°F) during the day, with an average of 11°C (52°F). Conversely, October sees cooler temperatures, with nighttime lows around -4°C (25°F), an average of 8°C (46°F), and maximums peaking at 19°C (67°F). Precipitation is more pronounced in October, with 68 mm (2.7 in) falling over 12 days compared to May's 56 mm (2.2 in) over 10 days. Additionally, October's humidity is notably higher at 89%, compared to May's 77%. For more insight into October's climate specifics, check out Sigtuna weather in October.
May and November offer contrasting weather experiences. In May, temperatures range from a chilly -5°C (23°F) at night to a warm 30°C (85°F) during the day, with an average of 11°C (52°F). The month sees about 56 mm (2.2 inches) of precipitation over approximately 10 days, accompanied by a humidity level of 77%.
In stark contrast, November is significantly colder, with nightly lows of -13°C (9°F) and daytime highs peaking at 15°C (59°F), yielding an average temperature of just 4°C (39°F). Precipitation decreases slightly to 42 mm (1.6 inches) over 9 days, and humidity rises to 90%, creating a damp and crisp atmosphere. For those interested in a detailed view of November conditions, check out Sigtuna weather in November.
May and December present strikingly different weather conditions. In May, temperatures fluctuate significantly, with a minimum of -5°C (23°F), an average of 11°C (52°F), and a maximum reaching up to 30°C (85°F). The month also sees about 56 mm (2.2 in) of precipitation over approximately 10 days, accompanied by a humidity level of 77%. In contrast, December is markedly colder, with temperatures ranging from a chilling -18°C (1°F) to a maximum of only 9°C (49°F), and an average temperature of 0°C (33°F). Interestingly, December also has a similar amount of precipitation at 56 mm (2.2 in), but it occurs over 13 days, alongside a higher humidity of 87%. For more details on the conditions in December, visit Sigtuna weather in December.
As May unfolds in Sigtuna, the weather takes on a distinct character, providing a refreshing contrast to the preceding months. With temperatures reaching a maximum of 30°C (85°F), this month heralds the arrival of warmth and longer days, inviting residents and visitors alike to enjoy the blossoming landscape. However, the average temperature remains a balmy 11°C (52°F), hinting at the cool breezes that occasionally sweep through the area. May also sees a surge in humidity levels at 77%, and despite experiencing 10 days of precipitation, the overall climate remains more temperate and inviting compared to the chill of March and April. For a deeper dive into what makes the weather in Sigtuna unique, explore the full details at Sigtuna Climate.