May Weather in Nacka, Sweden

Last updated: August 27, 2025

In May, Nacka, Sweden experiences a delightful transition into spring, showcasing a maximum temperature of 21°C (69°F), while the average hovers around a comfortable 9°C (49°F). The month can be a bit on the chilly side, with minimum temperatures dipping to -2°C (29°F). Rainfall is moderate, accumulating to about 50 mm (2.0 in) over 9 days, contributing to the region's lush greenery. With humidity levels averaging 77%, visitors can expect a refreshing yet brisk atmosphere, perfect for exploring the vibrant landscapes of Nacka during this picturesque month.

May Temperature in Nacka

As spring fully embraces Nacka, Sweden, May brings a delightful transformation in temperatures. With minimums hovering around -2°C (29°F) and an average of 9°C (49°F), the chill of winter rapidly dissipates. The accompanying maximum temperature of 21°C (69°F) heralds the arrival of warmer days, inviting locals and visitors alike to bask in the burgeoning sunlight. Comparing this to the preceding months, it's clear that May showcases a significant upward trend in warmth, moving from the brisk days of April to a burgeoning summer feel. This shift makes May an ideal time for outdoor activities, as nature awakens from its long hibernation and Nacka flourishes with vibrant spring life.

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

The chart illustrates May temperature patterns in Nacka, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Nacka, 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).
JanFebMarAprMayJunJulAugSepOctNovDec333235404959636356484135
Data source: Temperature data for Nacka generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Nacka

In May, Nacka, Sweden, experiences a notable increase in precipitation, with 50 mm (2.0 in) of rain falling over 9 days. This marks a slight rise compared to April's drier conditions, which saw only 25 mm (1.0 in) across 7 days. As spring progresses, May's rainfall not only helps to rejuvenate the lush landscapes but also sets the stage for the wetter summer months ahead. Interestingly, the precipitation trend in Nacka becomes more pronounced as the year unfolds, with June’s rainfall totaling 44 mm (1.7 in) and continuing into the summer, peaking in August with 68 mm (2.7 in). This gradual uptick in precipitation highlights the transition from the cooler, drier spring to the more humid and vibrant summer season.

May Precipitation Trends in Nacka

The chart displays monthly precipitation patterns in Nacka, 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 Nacka, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec433844255044556852765170
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Nacka

In May, Nacka, Sweden experiences a welcome shift in humidity levels, dipping to 77%. This reduction marks a significant decline from the chill of winter months, where humidity hovered near 90% in January. As spring unfolds, humidity gradually decreases, creating a more pleasant atmosphere just in time for outdoor activities. The transition continues into June, where levels remain low at 76%, indicating a trend towards drier conditions that define the summer months. By contrast, September brings a rise again, suggesting a return to more moisture-laden air as the autumn approaches. These shifts not only reflect seasonal changes but also enhance Nacka's unique climate experience each year.

May Average Humidity in Nacka

This chart illustrates the average monthly humidity levels in Nacka, 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 Nacka is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%88%89%85%77%76%74%77%85%89%90%88%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Nacka

As spring transitions into summer, May brings a moderate UV Index of 5 in Nacka, Sweden, indicating a notable increase in sun intensity as compared to earlier months. With a burn time of just 30 minutes, it's essential to stay mindful of sun safety during outdoor activities. This trend signifies a shift from the relatively low exposure levels in January and February, gradually rising through the moderate levels of March and April. As the season progresses, Nacka will experience even higher UV levels in June and July, emphasizing the importance of sun protection. For more details, check out the complete Nacka UV Index.

Maximum UV Index Levels in Nacka for May

The chart shows the monthly maximum UV Index (UVI) for Nacka 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 Nacka typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123457754211
Data source: Nacka 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 Nacka

In Nacka, Sweden, May shines brightly with a remarkable 454 hours of sunshine, contributing to the gradual increase in daylight that begins with the year. The month of March marks a pivotal turning point, as sunshine hours leap from 261 to 366 in April, and then to an impressive 454 in May, reflecting the vibrant arrival of spring. This upward trend continues into the summer months, with June and July peaking at 477 and 488 hours, respectively. As the year progresses into autumn, the sun gradually retreats, with September delivering 312 hours and October dropping to 219 hours. Despite the decrease, May undoubtedly stands out as a beacon of light and warmth, inviting residents and visitors alike to embrace the beauty of nature in full bloom.

Monthly Sunshine Duration in Nacka: May Highlighted

The May sunshine duration represents the total number of hours Nacka 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.
JanFebMarAprMayJunJulAugSepOctNovDec71h171h261h366h454h477h488h419h312h219h138h78h
Data source: Nacka May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Nacka During May

As spring settles in and May approaches in Nacka, Sweden, the likelihood of sunny weather reflects a transitional pattern from the colder months. While April boasts a promising 49% chance of sun, May experiences a slight dip to 31%. This decline is not uncommon, as the warmer summer months are still on the horizon, with June and July enjoying significantly higher chances of sunshine at 55% and 57% respectively. The fluctuating trends reveal that while May may not offer a robust guarantee of clear skies, it still serves as a bridge to the sunnier days ahead, inviting residents to savor the beauty of early summer blooms amid occasional sunshine.

Percentage of Sunny Days in May in Nacka

The chart illustrates the percentage of sunny days in Nacka 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 Nacka experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec12%30%34%49%31%55%57%38%27%30%29%30%
Data source: Nacka May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Nacka in May

In Nacka, Sweden, the evolution of daylight hours throughout the year reveals a captivating rhythm that mirrors the changing seasons. As winter wanes in January with just 6 hours of sunlight, the days gradually brighten, soaring to 9 hours in February and reaching 11 hours by March. The arrival of April ushers in a more pronounced increase, boasting 14 hours of daylight, and by May, residents can bask in an impressive 17 hours of sunshine. This upward trend peaks in June with 18 hours, offering the longest days of the year. As summer transitions to autumn, daylight begins to taper off, with July and August still providing ample sunlight at 17 and 15 hours respectively, before settling back to 12 hours in September. By October, the days slip to 10 hours, and as December approaches, the cycle returns to its wintry low of 6 hours. This annual pattern not only highlights the beauty of Sweden's natural light but also invites residents to fully embrace the vibrant summer months.

Average Daylight Hours in Nacka for May

The chart illustrates the variation in daylight duration in Nacka throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec6h 59m9h 14m11h 52m14h 33m17h 1m18h 26m17h 40m15h 23m12h 46m10h 7m7h 38m6h 13m
Data source: Nacka daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Nacka

In Nacka, Sweden, the month of May ushers in a gentle breeze, with an average wind speed of 4.0 m/s (9 mph). This marks a notable decline from the brisk winds of earlier months, particularly the 5.2 m/s (12 mph) observed in January. As spring unfolds, the winds tend to mellow, reaching their lowest point in May before they gradually pick up again in the summer. Interestingly, June records an even calmer 3.5 m/s (8 mph) average, hinting at the tranquil atmosphere that characterizes the coastal environment during these warmer months. The fluctuations in wind patterns showcase a shift from winter's gusty conditions to the softer, serene breezes of late spring, creating a perfect backdrop for outdoor activities and a vibrant connection with nature.

Average May Wind Speed in Nacka

The chart displays monthly wind speed patterns in Nacka, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.25.15.14.94.0 m/s3.53.94.54.85.85.35.3
Data source: Nacka May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Nacka Compares to Other Months

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

When comparing the weather in May and January, it's clear that May offers a much milder climate. While January's temperatures can drop as low as -15°C (6°F) with an average of 0°C (33°F), May experiences a significantly warmer range, with minimum temperatures around -2°C (29°F) and average highs reaching 21°C (69°F). Despite both months seeing precipitation, May typically receives more rainfall (50 mm or 2.0 in) over fewer days (9 days) than January, which experiences slightly less precipitation (43 mm or 1.7 in) spread over 10 days. Additionally, the humidity in January is higher at 90%, compared to May's 77%, making January feel colder and damp. For a more detailed insight into January weather patterns, visit Nacka weather in January.

In comparing the weather of May and February, it's clear that May brings milder temperatures, with averages reaching 9°C (49°F) and highs of 21°C (69°F), contrasting sharply with February's chill, where temperatures hover around 0°C (32°F), with highs not exceeding 9°C (48°F). While both months experience roughly the same number of rainy days, May sees slightly more precipitation at 50 mm (2.0 in) compared to February's 38 mm (1.5 in). Additionally, February has a higher humidity level at 88%, making it feel colder than the milder, albeit still humid, May with 77% humidity. For a more detailed look at February weather conditions, you can visit Nacka weather in February.

In comparing the weather between May and March, May clearly offers milder temperatures, with an average of 9°C (49°F) and a maximum reaching up to 21°C (69°F), whereas March is colder, averaging just 2°C (35°F) with a maximum of 14°C (57°F). Additionally, while both months experience precipitation over nine days, May sees a slightly higher amount at 50 mm (2.0 in) compared to March's 44 mm (1.7 in). Humidity levels are also somewhat lower in May at 77%, compared to the higher 89% in March, which contributes to a more comfortable feel as spring settles in. For more detailed information on March weather, you can visit Nacka weather in March.

In comparing the weather of April and May, it's clear that May tends to be warmer and slightly wetter. May experiences a minimum temperature of -2°C (29°F) and averages 9°C (49°F), reaching a maximum of 21°C (69°F), whereas April has a lower minimum of -5°C (24°F) and an average of 5°C (40°F), with a maximum of 17°C (62°F). Precipitation also increases in May, with a total of 50 mm (2.0 in) over 9 rainy days compared to April's 25 mm (1.0 in) over 7 days. Additionally, humidity is slightly higher in April at 85%, compared to 77% in May. For more detailed insights into April's weather, you can check Nacka weather in April.

In comparing the weather between May and June, we observe a notable shift toward warmer temperatures and slightly reduced precipitation. May features a minimum temperature of -2°C (29°F) and an average of 9°C (49°F), peaking at 21°C (69°F), along with 50 mm (2.0 in) of precipitation over 9 days and a humidity level of 77%. In contrast, June sees a significant increase in temperatures, starting at a minimum of 7°C (44°F), averaging 15°C (60°F), and reaching a maximum of 23°C (75°F). Additionally, June experiences slightly less rain at 44 mm (1.7 in) over 7 days, while humidity remains comparable at 76%. For more detailed information on June weather, you can check Nacka weather in June.

May and July present quite different weather conditions. In May, temperatures range from a chilly minimum of -2°C (29°F) to a comfortable maximum of 21°C (69°F), with an average of 9°C (49°F). The month sees about 50 mm (2.0 in) of precipitation over 9 days, along with a higher humidity level of 77%. In contrast, July boasts milder weather, with temperatures ranging from a minimum of 9°C (48°F) to a warm maximum of 26°C (80°F), and an average temperature of 17°C (64°F). Although July has slightly more precipitation at 55 mm (2.1 in) over the same number of days, the humidity is a touch lower at 74%. For more detailed information, you can check Nacka weather in July.

May and August present contrasting weather patterns, with May experiencing cooler temperatures and less precipitation compared to August. In May, temperatures range from a chilly minimum of -2°C (29°F) to a mild maximum of 21°C (69°F), while August welcomes warmer temperatures, with lows of 8°C (47°F) and highs reaching 27°C (81°F). Precipitation increases in August, totaling 68 mm (2.7 in) over 12 days, compared to May's 50 mm (2.0 in) over 9 days. Both months share a humidity level of 77%, contributing to a similar feel in terms of moisture in the air. For more detailed information on August weather, visit Nacka weather in August.

May and September showcase a noticeable transition in weather patterns. In May, temperatures range from a chilly -2°C (29°F) at night to a pleasant 21°C (69°F) during the day, with an average of 9°C (49°F). This month experiences approximately 50 mm (2.0 in) of rainfall over about 9 days and a relative humidity of 77%. In contrast, September sees slightly warmer nights with a minimum of 3°C (38°F) and similar maximum temperatures, peaking at 22°C (72°F) and an average of 13°C (56°F). The precipitation increases slightly to 52 mm (2.0 in) over 10 days, accompanied by a higher humidity level of 85%. For a more detailed insight into the September weather, you can visit Nacka weather in September.

May and October present distinct weather patterns, highlighting the transition from spring to autumn. In May, temperatures range from a chilly minimum of -2°C (29°F) to a pleasant maximum of 21°C (69°F), with an average of 9°C (49°F). This month typically sees 50 mm (2.0 in) of precipitation over about 9 days, alongside a humidity level of 77%. In contrast, October experiences cooler temperatures, with a minimum of 0°C (32°F) and a maximum of 16°C (60°F), maintaining a similar average of 9°C (48°F). However, it brings more rain, with 76 mm (3.0 in) falling over 13 days, and higher humidity at 89%. For more details on October's weather, visit Nacka weather in October.

May and November present contrasting weather patterns, with May typically offering milder temperatures compared to the chill of November. In May, temperatures range from a minimum of -2°C (29°F) to a maximum of 21°C (69°F), with an average of 9°C (49°F) and humidity around 77%. On the other hand, November sees colder conditions, with minimum temperatures dropping to -7°C (20°F) and a maximum of only 14°C (57°F), averaging at 5°C (41°F) and a higher humidity of 90%. Both months experience similar precipitation levels at 50 mm (2.0 in), but November tends to be wetter, with rain falling on approximately 11 days compared to 9 days in May. For a more detailed look, check Nacka weather in November.

In May, temperatures typically range from a minimum of -2°C (29°F) to a pleasant maximum of 21°C (69°F), with an average of 9°C (49°F). The month experiences around 50 mm (2.0 in) of precipitation over approximately 9 days, contributing to a moderate humidity of 77%. In contrast, December brings significantly colder conditions, with temperatures dipping as low as -10°C (14°F) and peaking at a maximum of 8°C (47°F), resulting in an average temperature of just 2°C (35°F). December also sees a higher precipitation level of 70 mm (2.8 in), spread over about 15 days, accompanied by increased humidity at 87%. For a closer look at December's weather specifics, you can refer to Nacka weather in December.

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Conclusion: What to Expect From May Weather in Nacka

As May arrives in Nacka, the weather ushers in a delightful transformation, offering a refreshing change from the chill of earlier months. The temperatures begin to warm, providing a gentle contrast to the lingering cold, while the average humidity hovers at a comfortable level. With an increase in sunshine and fewer precipitation days, May sets the stage for blossoming nature and outdoor activities, making it a perfect time to explore the beauty of the region. For a deeper look at how Nacka's climatic patterns evolve throughout the year, visit Nacka Climate.