May Weather in Notodden, Norway

Last updated: August 27, 2025

May in Notodden, Norway presents a blooming tapestry of weather, where temperatures swing from a maximum of 26°C (80°F) to a minimum of -12°C (10°F). The average hovers around a cool 9°C (49°F), giving a taste of spring's possibilities amidst chilly reminders of winter. Precipitation is notable with 89 mm (3.5 in) spread over 13 days, contributing to the region's lush greenery, while a humidity level of 75% envelops the area in a refreshing, crisp atmosphere. This transitional month invites nature enthusiasts to experience the beauty of emerging flora against a backdrop of dynamic weather patterns.

May Temperature in Notodden

In May, Notodden, Norway begins to shake off the chill of winter, with temperatures starting to rise significantly. The minimum temperature hovers around -12°C (10°F), while the average climbs to a pleasant 9°C (49°F), providing a welcome transition into warmer days. With a maximum temperature reaching up to 26°C (80°F), May marks a vibrant shift, reflecting a clear upward trend from the preceding months, where temperatures struggled to exceed 21°C (70°F) in April. This month not only introduces milder conditions but also hints at the summer warmth that follows, making it an ideal time for outdoor exploration in the beautiful landscapes that characterize Notodden.

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

The chart illustrates May temperature patterns in Notodden, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Notodden, 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).
JanFebMarAprMayJunJulAugSepOctNovDec252631394959615851423427
Data source: Temperature data for Notodden 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 Notodden

In Notodden, Norway, May marks a notable shift in precipitation patterns, with 89 mm (3.5 inches) of rainfall across 13 days. This significant amount reflects a transition from the relatively drier April, which saw only 44 mm over 7 days. As spring unfolds, May's increased precipitation not only contributes to lush landscapes but also sets the stage for the wetter months ahead. Comparatively, the rainfall in May begins to edge closer to June's peak of 106 mm, highlighting the region’s tendency to ramp up precipitation as summer approaches. The rising trend of precipitation is evident as the year progresses, indicating that May serves as a pivotal month for the replenishment of local resources and the preparation for the lush greenery that follows.

May Precipitation Trends in Notodden

The chart displays monthly precipitation patterns in Notodden, 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 Notodden, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec7175804489106116100129136114125
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Notodden

In Notodden, Norway, May marks a notable shift in humidity levels as the spring season transitions into summer. With an average humidity of 75%, May showcases a significant drop from the chilly depths of winter, where humidity levels hover around 93% in January. This trend continues from April's 83%, indicating a gradual easing of moisture in the air. As the days lengthen and temperatures rise, residents can enjoy a fresher atmosphere, juxtaposed with the increased humidity that returns in the following months, peaking again in September at 86%. Thus, May serves as a pivotal moment, heralding a brief reprieve from Norway's typically humid climate before the cycle restarts in autumn.

May Average Humidity in Notodden

This chart illustrates the average monthly humidity levels in Notodden, 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 Notodden 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 Notodden

As May arrives in Notodden, Norway, outdoor enthusiasts will experience a noticeable shift in UV Index, registering at 5, which falls into the moderate exposure category. This uptick is part of a broader trend as spring progresses toward summer; in earlier months like January through April, the UV Index steadily climbed from a low of 1 to April's 4. With the arrival of May, the burn time decreases to 30 minutes, emphasizing the need for sun protection as daylight grows longer and sunnier. This pattern continues into the summer months, where UV Index levels peak, demanding heightened awareness for safe sun exposure. To stay informed about UV levels throughout the year, check the detailed Notodden UV Index.

Maximum UV Index Levels in Notodden for May

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

In May, Notodden, Norway, basks in an impressive 419 hours of sunshine, marking a delightful peak in the progression of the year. As the sun begins to emerge with vigor from a long, dark winter, May showcases a noticeable increase from April's 368 hours, signifying the true arrival of spring. This upward trend continues, with June and July boasting even more sunlight, reaching 441 and 470 hours respectively. The gradual accumulation of daylight hours not only brightens the local landscape but also invigorates the community, setting the stage for vibrant outdoor activities. However, as summer wanes into August, a slight decline begins, gently reminding us that the refreshing days of sunlight will soon transition into the shorter, dimmer months ahead.

Monthly Sunshine Duration in Notodden: May Highlighted

The May sunshine duration represents the total number of hours Notodden 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.
JanFebMarAprMayJunJulAugSepOctNovDec95h178h291h368h419h441h470h397h274h222h132h93h
Data source: Notodden May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Notodden During May

As we transition into May in Notodden, Norway, the likelihood of sunny weather sees a notable dip, with a chance of sunshine dropping to 24%—the lowest since February. This is a stark contrast to the preceding month of April, which enjoys a more promising 57% chance of clear skies. Interestingly, while spring heralds a gradual increase in sunlight through the earlier months, May marks a slight regression before the summer months attempt to reclaim brighter days. As June approaches, residents and visitors will look forward to a return of sunnier prospects, reflecting a seasonal shift that promises warmer and more luminous days ahead.

Percentage of Sunny Days in May in Notodden

The chart illustrates the percentage of sunny days in Notodden 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 Notodden experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec34%43%42%58%24%34%40%36%24%28%23%28%
Data source: Notodden May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Notodden in May

In Notodden, Norway, the shift in daylight duration throughout the year paints a vivid picture of the changing seasons. As winter wanes, January's meager 6 hours of daylight gradually lengthens, with February catching up to 9 hours and March brightening to 11 hours. By the time April arrives, the sun lingers for a refreshing 14 hours, heralding the full bloom of spring. Come May, daylight peaks at a generous 17 hours, paving the way for the 18 hours of sunlight in June, the longest days of the year. As summer hangs on, July maintains this generous light before a gentle decline begins in August at 15 hours, guiding the way into autumn. By September, daylight reduces to 12 hours, further dwindling to 10 hours in October and continuing through November with 7 hours, finally retreating back to 6 hours in December. This progression not only reflects the beauty of Norway's seasonal dance but also invites residents and visitors alike to relish each moment of light as it comes.

Average Daylight Hours in Notodden for May

The chart illustrates the variation in daylight duration in Notodden throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec6h 57m9h 13m11h 52m14h 33m17h 3m18h 28m17h 42m15h 24m12h 46m10h 6m7h 36m6h 11m
Data source: Notodden daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Notodden

In Notodden, Norway, the wind patterns in May offer a glimpse into the region's fluctuating breezes. With an average wind speed of 1.9 m/s (4 mph), May maintains a similar calmness as seen in the preceding months of February and June. Notably, as spring blossoms into summer, the wind speeds tend to fluctuate slightly, hovering around the low end of the scale compared to the gustier months of March and April, which reach up to 2.4 m/s. As the temperatures rise, it's interesting to observe how the winds remain gentle and soothing, ideal for enjoying the vibrant landscapes, making May a wonderful time to experience the serene beauty of this Norwegian town.

Average May Wind Speed in Notodden

The chart displays monthly wind speed patterns in Notodden, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.01.92.32.41.9 m/s1.91.82.01.92.32.01.9
Data source: Notodden May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Notodden Compares to Other Months

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

In May, temperatures range from a chilly -12°C (10°F) at the lowest to a warm 26°C (80°F) at its peak, with an average of 9°C (49°F). The month experiences approximately 89 mm (3.5 in) of precipitation over 13 days, coupled with a humidity level of 75%. In contrast, January presents a much colder climate, with temperatures plunging to a minimum of -21°C (-5°F) and an average high of just 9°C (49°F). Precipitation is somewhat lower at 71 mm (2.8 in), occurring over 9 days, accompanied by a higher humidity of 93%. For more details on the January weather, you can visit Notodden weather in January.

May and February present contrasting weather patterns, characteristic of their respective placements in the seasonal calendar. In May, temperatures range from a chilly minimum of -12°C (10°F) to a warm maximum of 26°C (80°F), with an average of 9°C (49°F), as the world begins to blossom and warm up. With 89 mm (3.5 in) of precipitation over 13 days, humidity levels average around 75%, making for a mildly humid spring environment.

In contrast, February experiences much colder conditions, with temperatures dropping to a minimum of -19°C (-2°F) and peaking at just 10°C (49°F), averaging a frigid -3°C (26°F). The month sees slightly less precipitation at 74 mm (2.9 in) spread across 11 days, accompanied by higher humidity levels of 91%, contributing to the overall chill of winter. For a more detailed look at February weather, you can visit Notodden weather in February.

In comparing the weather between March and May, it's evident that May offers a much warmer climate, with average temperatures rising from March's frigid -1°C (31°F) to a more pleasant 9°C (49°F). The maximum temperature in May can reach up to 26°C (80°F), while March peaks at only 14°C (58°F). Despite May having slightly more precipitation at 89 mm (3.5 in) over 13 days, March is close behind with 80 mm (3.2 in) over 10 days. Interestingly, humidity levels are higher in March at 88%, compared to May's 75%. For a more detailed look at March's conditions, you can visit Notodden weather in March.

In comparison to April, May experiences a noticeable increase in average temperatures, rising from an average of 4°C (39°F) in April to 9°C (49°F) in May. While both months can dip to chilly lows—April reaching a minimum of -14°C (7°F) and May slightly warmer at -12°C (10°F)—May sees a warmer maximum of 26°C (80°F) compared to April's 21°C (70°F). Additionally, May has higher precipitation levels, recording 89 mm (3.5 in) over 13 days, whereas April experiences only 44 mm (1.7 in) over 7 days. Humidity remains relatively high in both months, though it slightly decreases from 83% in April to 75% in May. For more specifics on April weather, you can visit Notodden weather in April.

May and June weather shows a transition from late spring to early summer. In May, temperatures range from a chilly minimum of -12°C (10°F) to a maximum of 26°C (80°F), with an average of 9°C (49°F). The month experiences moderate precipitation at 89 mm (3.5 in) over 13 days and maintains a relatively high humidity level of 75%. In contrast, June witnesses a more comfortable climate with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 28°C (83°F), yielding an average temperature of 15°C (59°F). Though June has slightly higher precipitation at 106 mm (4.2 in) spread over 12 days, humidity remains similar at 74%. For additional details, check out Notodden weather in June.

In May, temperatures in the region range from a chilly minimum of -12°C (10°F) to a pleasant maximum of 26°C (80°F), with an average of about 9°C (49°F). The month experiences considerable precipitation, totaling 89 mm (3.5 in) over 13 days, coupled with a humidity level of 75%. In contrast, July generally enjoys milder conditions, featuring minimum temperatures of 5°C (42°F) and maximums reaching 30°C (86°F), with an average temperature of 16°C (61°F). July sees slightly higher precipitation at 116 mm (4.6 in) over a similar number of days (12), with humidity remaining quite stable at 74%. For more specifics on conditions during July, you can visit Notodden weather in July.

May and August present distinct weather patterns. In May, temperatures range from a minimum of -12°C (10°F) to a maximum of 26°C (80°F), with an average of 9°C (49°F) and 89 mm (3.5 in) of precipitation over approximately 13 days. The humidity in May is relatively high at 75%. In contrast, August offers milder temperatures, with a minimum of 3°C (39°F), an average of 14°C (58°F), and a maximum of 25°C (78°F). Precipitation slightly increases to 100 mm (3.9 in), occurring over 12 days, and humidity rises to 78%. For more detailed information, you can visit Notodden weather in August.

May and September present quite distinct weather patterns. In May, temperatures range from a chilly -12°C (10°F) to a warm 26°C (80°F), with an average of 9°C (49°F). The month sees about 89 mm (3.5 in) of precipitation over 13 days, accompanied by a humidity level of 75%. In contrast, September features milder temperatures, with a minimum of 0°C (33°F) and a maximum of 24°C (76°F), averaging at 11°C (52°F). This month experiences a higher precipitation level of 129 mm (5.1 in) over 14 days and increased humidity at 86%. For a detailed look at the weather specifics, visit Notodden weather in September.

May and October present distinct climate characteristics. In May, temperatures range from a chilly -12°C (10°F) at night, rising to a comfortable average of 9°C (49°F) and peaking at 26°C (80°F) during the day. The month experiences moderate precipitation, with 89 mm (3.5 in) falling over 13 days, set against a humidity level of 75%. In contrast, October showcases cooler nights with a minimum of -5°C (23°F) and an average temperature of 6°C (42°F), reaching a maximum of 17°C (63°F). The month is wetter, with precipitation totaling 136 mm (5.4 in) occurring over 16 days, and a higher humidity of 92%. For a closer look at the specifics, you can check Notodden weather in October.

May and November present contrasting weather patterns, reflecting the transition from spring to late autumn. In May, temperatures range from a minimum of -12°C (10°F) to a comfortable average of 9°C (49°F), peaking at a warm 26°C (80°F). This month experiences 89 mm (3.5 inches) of precipitation over 13 days, with humidity at 75%. In contrast, November's weather is notably cooler, with temperatures dipping to a minimum of -14°C (7°F) and averaging just 1°C (34°F), while the maximum reaches a chilly 13°C (55°F). Although it also has 13 days of precipitation, November's total is higher at 114 mm (4.5 inches), accompanied by increased humidity at 92%. For a more detailed look at November weather, check out Notodden weather in November.

In May, the weather is significantly milder compared to December, with temperatures ranging from a minimum of -12°C (10°F) to a maximum of 26°C (80°F) and an average of 9°C (49°F). This month receives about 89 mm (3.5 in) of precipitation across 13 days, coupled with a humidity level of 75%. In contrast, December experiences much colder conditions, characterized by temperatures that range from -16°C (4°F) to a maximum of 8°C (47°F), with an average temperature of -3°C (27°F). Additionally, December has higher precipitation of 125 mm (4.9 in) over 15 days and a heightened humidity rate of 92%. For more detailed insights into December weather, you can visit Notodden weather in December.

Compare Notodden's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Notodden

As spring unfolds in Notodden, May brings a delightful mix of mild temperatures and vibrant changes in nature. With the mercury occasionally soaring to a balmy 26°C (80°F), the pleasant days encourage outdoor activities, contrasting sharply with the colder months preceding it. While the average temperature settles around a cool 9°C (49°F), it’s the fleeting chill of -12°C (10°F) on particularly cold nights that reminds us of winter's lingering grip. May also marks a shift in precipitation patterns, with 89 mm (3.5 in) falling over about 13 days, showcasing the emergence of lush greenery despite the occasional rain. The 75% humidity adds a fresh feel to the air, making May a unique transition month that stands out from both the wintry chill of April and the warmer days of summer ahead. For a deeper dive into the changing climate patterns, visit Notodden Climate.