May Weather in Skien, Norway

Last updated: August 27, 2025

Experience the charm of May in Skien, Norway, where temperatures range from a crisp minimum of -5°C (23°F) to a delightful maximum of 27°C (82°F). With an average temperature hovering around 10°C (51°F), this month offers a refreshing blend of warmth and coolness. Expect approximately 90 mm (3.5 inches) of precipitation over 11 days, resulting in a humid atmosphere at 75%. Whether you're exploring the beautiful landscapes or enjoying the vibrant local culture, May's weather in Skien promises to be both invigorating and picturesque.

May Temperature in Skien

In Skien, Norway, May marks a delightful transition into warmer weather, showcasing dramatic changes in temperature compared to winter months. With minimums dipping to -5°C (23°F) and averages settling at a pleasant 10°C (51°F), the chill of early spring recedes, giving way to a maximum of 27°C (82°F)—a clear indication that summer is on the horizon. This significant rise from the arctic temperatures experienced just a few months prior illustrates the region's swift shift to milder conditions. As the month progresses, the longer daylight hours invite locals and visitors alike to explore the vibrant landscapes, making May an ideal time to embrace the beauty of Skien and enjoy the burgeoning warmth after a long winter.

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

The chart illustrates May temperature patterns in Skien, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Skien, 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).
JanFebMarAprMayJunJulAugSepOctNovDec292934415160636054453730
Data source: Temperature data for Skien 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 Skien

May in Skien, Norway, brings a significant uptick in precipitation, with 90 mm (3.5 inches) recorded over 11 days. This marks an increase from the lighter showers of April, which only saw 41 mm (1.6 inches) over 7 days. The transition into late spring is evident as the weather shifts towards more consistent rainfall, setting the stage for the wetter months ahead. As June approaches, the precipitation continues to rise, reaching 96 mm (3.8 inches), further emphasizing the trend of increasing moisture and the lively, vibrant landscape that May fosters. This pattern not only enhances the lushness of the region but also signifies the changing dynamics of Skien's weather as it gears up for summer.

May Precipitation Trends in Skien

The chart displays monthly precipitation patterns in Skien, 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 Skien, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec77818141909610897126139120136
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Skien

In Skien, Norway, May brings a welcome shift in humidity, with levels dropping to 75%, making it one of the drier months of the year. This significant decrease follows the high humidity of winter and early spring, which hovers around 91% to 93% from January through April. As summer approaches, the humidity continues to decline slightly into June and July, stabilizing at 74%. This trend indicates a gradual transition to a more comfortable climate, perfect for enjoying the burgeoning outdoor activities that May has to offer. However, as autumn sets in, the humidity starts to climb again, hinting at the cyclical nature of Skien's weather patterns.

May Average Humidity in Skien

This chart illustrates the average monthly humidity levels in Skien, 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 Skien is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%91%88%83%75%74%74%78%86%92%92%92%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Skien

As spring ushers in warmer days in Skien, Norway, May sees the UV Index rise to 5, indicating a moderate level of sun exposure. This shift is notable when compared to the previous months, with March and April maintaining a moderate rating of 3 and 4 respectively. With a burn time of just 30 minutes, it's important for residents and visitors alike to be mindful of sun safety while enjoying the blooming outdoors. As June approaches, the UV Index will peak at 7, reinforcing the trend of increasing sunlight intensity. To stay informed about UV levels and ensure a safe outdoor experience, check out the latest updates at Skien UV Index.

Maximum UV Index Levels in Skien for May

The chart shows the monthly maximum UV Index (UVI) for Skien 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 Skien typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113457754211
Data source: Skien 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 Skien

In Skien, Norway, May heralds a delightful increase in sunshine, boasting 420 hours of glorious daylight—an inviting transition from the chill of winter. As the days grow longer, the month marks a significant leap from 369 hours in April, reflecting the burgeoning vitality of spring in full swing. Following closely, June offers even more sun, peaking at 456 hours, yet May stands out as a vibrant prelude, capturing the essence of the season’s awakening. This progressive rise from January’s mere 96 hours creates a palpable anticipation for summer, illustrating how each month gradually envelops Skien in warmth and light, inviting residents and visitors alike to revel in the beauty of the flourishing landscape.

Monthly Sunshine Duration in Skien: May Highlighted

The May sunshine duration represents the total number of hours Skien 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.
JanFebMarAprMayJunJulAugSepOctNovDec96h180h287h369h420h456h472h407h284h233h133h98h
Data source: Skien May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Skien During May

As spring blossoms in Skien, Norway, May brings a notable shift in weather patterns, showing a marked decrease in the likelihood of sunny days compared to the preceding months. While April enjoys a healthy 59% chance of sunshine, May dips to just 27%, hinting that the transition into summer may not be as bright as one might hope. This trend of fluctuating sunlight continues into June, which rises slightly to 37%, yet the overall impression is that May tends to be less reliable for sun-seekers. Emphasizing the capricious nature of Scandinavian weather, those planning outdoor activities in May should be prepared for a blend of sunshine and spring showers.

Percentage of Sunny Days in May in Skien

The chart illustrates the percentage of sunny days in Skien 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 Skien experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec37%44%44%59%27%37%41%40%26%30%25%26%
Data source: Skien May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Skien in May

In Skien, Norway, the progression of daylight throughout the year reveals a captivating transformation. Starting with 7 hours of daylight in January, the days gradually lengthen, reaching 14 hours by April as spring unfolds. May marks a notable leap, boasting an impressive 17 hours of sunlight, perfect for outdoor adventures under the northern sun. This trend peaks in June with a remarkable 18 hours of daylight, offering near-constant brightness. As summer wanes, daylight begins to recede, dipping to 15 hours in August and further to 12 hours by September. The cycle continues, with daylight dwindling to 10 hours in October and reverting to winter’s shorter days, with just 7 hours in November and a mere 6 hours in December. This rhythmic ebb and flow not only shapes the natural landscape but also influences the vibrant lifestyle of Skien's residents throughout the seasons.

Average Daylight Hours in Skien for May

The chart illustrates the variation in daylight duration in Skien throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec7h9h 14m11h 52m14h 32m17h18h 24m17h 39m15h 22m12h 46m10h 7m7h 39m6h 14m
Data source: Skien daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Skien

In May, the wind in Skien, Norway, gently whispers at an average speed of 2.4 m/s (5 mph), slightly settling compared to the previous months. This transition marks the end of spring, where the winds are calmer than in April, which enjoyed a brisker pace at 2.9 m/s. As summer approaches, wind speeds in June and July dip further to 2.2 m/s, suggesting a consistent trend of lighter winds during the peak of summer. The mild breezes of May create a serene atmosphere, perfect for outdoor activities, while hinting at the stillness that typically embraces the warmer months in this picturesque Norwegian town.

Average May Wind Speed in Skien

The chart displays monthly wind speed patterns in Skien, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.82.72.72.92.4 m/s2.22.22.42.43.12.72.7
Data source: Skien May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Skien Compares to Other Months

Weather in Skien varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Skien, 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 warmer and more varied climate. With temperatures ranging from a chilly minimum of -5°C (23°F) to a pleasant maximum of 27°C (82°F), the average temperature in May sits at a comfortable 10°C (51°F). In contrast, January sees much colder temperatures, with a minimum of -15°C (5°F) and a maximum of only 10°C (50°F), resulting in an average of -2°C (29°F). Precipitation is slightly higher in May at 90 mm (3.5 in) over 11 days, compared to January's 77 mm (3.0 in) over 9 days. Additionally, January tends to be more humid at 93%, whereas May's humidity is lower at 75%. For those interested in specifics, you can find more details about January's weather in Skien here: Skien weather in January.

May and February present striking contrasts in weather conditions. In May, temperatures range from a minimum of -5°C (23°F) to a pleasant average of 10°C (51°F), peaking at 27°C (82°F), indicating an overall milder climate as spring sets in. The month experiences around 90 mm (3.5 in) of precipitation over 11 days, coupled with a humidity level of 75%. In contrast, February is significantly colder, with temperatures dropping to a minimum of -16°C (4°F) and averaging around -2°C (30°F), only reaching a maximum of 11°C (52°F). This month sees slightly less precipitation at 81 mm (3.2 in) but exhibits higher humidity at 91%. For more detailed insights into February weather, you can check Skien weather in February.

Comparing the weather in May and March reveals a significant transition from late winter to early spring. May boasts a much warmer average temperature of 10°C (51°F) and a maximum of 27°C (82°F), while March has a chilly average of just 1°C (34°F) with a maximum of only 15°C (58°F) and lows that can plummet to -16°C (3°F). In terms of precipitation, May records slightly more rainfall at 90 mm (3.5 in) over 11 days, compared to March's 81 mm (3.2 in) across 10 days. The humidity levels are higher in March at 88%, compared to 75% in May, contributing to the overall feeling of crispness in late winter. For more specific details on March weather, you can check Skien weather in March. Overall, May presents a much milder and more pleasant climate, ideal for outdoor activities, while March still holds onto winter's chill.

In comparing the weather trends of April and May, it is evident that May generally offers warmer temperatures and increased variability. April experiences a minimum temperature of -11°C (12°F) with an average of 5°C (41°F) and a maximum of 22°C (71°F), while May sees a rise in the minimum to -5°C (23°F) and an average temperature of 10°C (51°F), peaking at 27°C (82°F). Precipitation in April is considerably lower at 41 mm (1.6 in) over 7 days, whereas May experiences 90 mm (3.5 in) spread over 11 days, indicating an increase in rainy days. Additionally, humidity levels are slightly higher in April at 83% compared to 75% in May. For more details, you can check Skien weather in April.

In May, temperatures range from a chilly minimum of -5°C (23°F) to a warm maximum of 27°C (82°F), with an average of 10°C (51°F). The month sees a fair amount of precipitation, totaling 90 mm (3.5 in) over 11 days, and humidity levels remain relatively high at 75%. In contrast, June offers a more moderate climate, with minimum temperatures rising to 3°C (38°F) and maximums reaching 29°C (84°F). The average temperature increases to 16°C (60°F), and despite slightly higher precipitation at 96 mm (3.8 in), it also occurs over the same number of days. Humidity in June slightly decreases to 74%. For more details on June weather, check out Skien weather in June.

In May, the weather showcases a significant variability with temperatures ranging from a chilly -5°C (23°F) at night to a pleasant 27°C (82°F) during the day, averaging around 10°C (51°F). This month experiences about 90 mm (3.5 in) of precipitation over 11 days, with humidity levels around 75%.

In contrast, July brings warmer conditions with a minimum temperature of 7°C (44°F) and a maximum of 30°C (87°F), averaging 17°C (63°F). Although July has slightly more precipitation at 108 mm (4.2 in) over 12 days, the humidity remains relatively constant at 74%. For more detailed insights, check out Skien weather in July.

May and August present distinct weather patterns, reflecting the transition from spring to summer. In May, temperatures range from a chilly -5°C (23°F) at night to a warm 27°C (82°F) during the day, with an average of 10°C (51°F) and relatively high humidity at 75%. This month experiences around 90 mm (3.5 inches) of precipitation over 11 days. In contrast, August offers slightly milder temperatures, with minimums of 4°C (40°F) and a maximum of 26°C (78°F). The average temperature rises to 15°C (60°F), accompanied by a small increase in precipitation to 97 mm (3.8 inches) over 13 days and a slight uptick in humidity to 78%. For more insights into the weather during this month, visit Skien weather in August.

May and September showcase distinctly different weather patterns. In May, temperatures range from a chilly minimum of -5°C (23°F) to a comfortable maximum of 27°C (82°F), with an average of 10°C (51°F). This month brings about 90 mm (3.5 in) of precipitation over 11 days and a moderate humidity level of 75%. In contrast, September experiences cooler temperatures, with a minimum of 1°C (35°F), an average of 12°C (54°F), and a maximum of 25°C (77°F). The month is wetter, with 126 mm (4.9 in) of rainfall over 12 days and higher humidity at 86%. For more specific insights into the weather patterns for this month, check out Skien weather in September.

May and October present contrasting weather characteristics, reflecting the transition from spring to autumn. In May, temperatures range from a chilly minimum of -5°C (23°F) to a pleasant maximum of 27°C (82°F), with an average of 10°C (51°F). The month experiences 90 mm (3.5 in) of precipitation spread over 11 days, accompanied by a humidity level of 75%. In contrast, October sees cooler temperatures, with a minimum of -3°C (27°F) and a maximum of 18°C (65°F), averaging 7°C (45°F). The month has increased precipitation, totaling 139 mm (5.5 in) over 16 days, and a higher humidity of 92%. For more specific details about October weather, you can visit Skien weather in October.

May and November present contrasting weather experiences. In May, temperatures range from a chilly -5°C (23°F) at night to a warm 27°C (82°F) during the day, with an average of 10°C (51°F). While May enjoys relatively lower humidity at 75% and about 90 mm (3.5 in) of precipitation over 11 days, November brings much colder conditions, reflecting temperatures between -11°C (12°F) and 15°C (59°F), with an average of just 3°C (37°F). This month has increased precipitation, accumulating 120 mm (4.7 in) over 13 days and higher humidity at 92%. For a detailed look at November weather, visit Skien weather in November.

In May, temperatures in Skien range from a chilly -5°C (23°F) at night to a pleasant high of 27°C (82°F) during the day, with an average temperature around 10°C (51°F). The month sees about 90 mm (3.5 in) of precipitation over approximately 11 days, with humidity levels sitting at 75%. In contrast, December brings much colder conditions, with temperatures dropping to a minimum of -12°C (10°F) and only reaching a maximum of 10°C (50°F), averaging around -1°C (30°F). This month experiences increased precipitation, totaling 136 mm (5.4 in) over 16 days, accompanied by higher humidity at 92%. For more details about December weather, you can refer to Skien weather in December.

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Conclusion: What to Expect From May Weather in Skien

As May unfolds in Skien, the weather begins to showcase a refreshing transition from the colder months. Temperatures gradually rise, peaking at a pleasant warmth that contrasts with the chill experienced earlier in the year, marking a significant shift towards more enjoyable outdoor conditions. While May does see its share of rainy days, with nearly a third of the month experiencing precipitation, the overall humidity contributes to a lush, vibrant landscape as nature comes alive. This month's climate offers a delightful blend of comfort and freshness, inviting residents and visitors alike to partake in the beauty of spring. To explore more about Skien's weather patterns, visit Skien Climate.