Last updated: August 27, 2025
May in Sarpsborg, Norway, brings a refreshing blend of weather patterns as temperatures range from a chilly minimum of 0°C (32°F) to a breathtaking maximum of 31°C (88°F). The month boasts an average temperature of 12°C (53°F), providing a pleasant backdrop for outdoor activities. However, residents and visitors should prepare for occasional rain, with 68 mm (2.7 in) of precipitation spread over 11 days, accompanied by a humidity level of 73%. This mix of warmth and moisture creates a vibrant atmosphere, perfect for enjoying the beauty of spring in Sarpsborg.
In May, Sarpsborg, Norway, emerges from the grips of winter, showcasing a significant transformation in temperatures. With a minimum of 0°C (32°F) and an average of 12°C (53°F), the month marks a clear departure from the frosty chill of previous months. As daylight increases, residents and visitors can bask in the warming embrace of the season, reaching a peak temperature of 31°C (88°F). This shift not only encourages outdoor activities but also highlights the vibrant life beginning to flourish in the region. May serves as a delightful prelude to summer, blending comfortably warm days with the refreshing coolness of lingering spring nights.
May in Sarpsborg, Norway, typically marks a noticeable uptick in precipitation, as the month averages 68 mm (2.7 in) of rain spread over about 11 days. This increase follows a relatively dry April with only 31 mm (1.2 in), signaling the transition into a wetter season. As spring unfolds, May often presents a mix of vibrant greenery nourished by these rains, setting the stage for the summer months ahead. Comparatively, precipitation levels continue to rise into June, which averages 74 mm (2.9 in), suggesting that May's showers are just a taste of the more humid weather to come. Overall, May stands out as a pivotal month that bridges the lighter spring weather with the more substantial rainfall typical of summer in this charming Norwegian town.
In May, Sarpsborg, Norway, experiences a noticeable decrease in humidity, dipping to 73% from the higher levels of spring. This decline contrasts sharply with the winter months, where humidity lingers above 90%. As the landscape transforms and summer approaches, the air begins to feel lighter, setting the stage for warmer days ahead. With humidity gradually stabilizing around the 71-77% range in June and July, May marks a pivotal transition towards a more comfortable and enjoyable climate, inviting both residents and visitors to embrace the beauty of the blossoming season.
In May, the UV Index in Sarpsborg, Norway reaches 5, marking the start of more intense sun exposure as we move towards summer. This moderate level indicates that while it's safe to enjoy outdoor activities, protection from the sun is still advisable after about 30 minutes of direct exposure. As daylight increases and temperatures rise, the UV Index will continue to climb in the following months. Compared to earlier months, May's index shows a steady increase from the low values of January and February, gradually escalating through spring. This trend highlights the importance of being sun-smart as the season progresses, ensuring you are equipped for the sunnier days ahead. For more detailed information on UV exposure, check out the Sarpsborg UV Index.
UV Risk Categories
As May unfolds in Sarpsborg, Norway, the days become increasingly radiant, showcasing a noteworthy trend in sunshine hours. With 429 hours of sunshine, May significantly outshines the preceding months, highlighting the transition into the lush vibrancy of summer. This surge from 373 hours in April signals a growing warmth, setting the stage for June's peak at 464 hours. The trajectory showcases a distinct pattern where spring gives way to summer's embrace, as both flora and fauna luxuriate in the extended daylight, inviting residents and visitors alike to revel in the beauty of the blossoming landscape. As summer progresses, the sunshine hours reach their zenith in July, promising an abundance of outdoor adventures and sunny gatherings.
In Sarpsborg, Norway, the likelihood of sunny weather experiences a peak in April at 55%, but unfortunately, this enthusiasm wanes as May rolls in, with sunny days dropping to 31%. This trend hints at a transitional spring, where brighter days retreat and clouds may take over. Interestingly, June rebounds slightly to 42%, suggesting that while May can be a mix of unpredictability, the promise of summer sun begins to shine through as the season progresses. Thus, while May might offer charming outdoor moments, it remains a month of fluctuating weather rather than consistent sunshine.
As spring blossoms into summer, Sarpsborg, Norway experiences a remarkable transformation in daylight duration. Starting with a modest 6 hours of daylight in January, the length gradually increases, reaching 9 hours in February and 11 hours in March. By April, the days stretch to 14 hours, heralding the onset of vibrant spring days. May shines as a highlight with approximately 17 hours of daylight, providing ample time for outdoor adventures. This trend peaks in June, where daylight maxes out at 18 hours before gradually tapering off through the summer months of July and August. As autumn approaches, daylight time decreases to 15 hours in August, ultimately returning to shorter days by October. This dynamic pattern underscores Sarpsborg's unique seasonal rhythm, inviting residents and visitors to savor the long, sunlit days of spring and summer.
In Sarpsborg, Norway, the winds of May begin to gently stir, with an average wind speed of 3.3 m/s (7 mph). This marks a slight decrease from the preceding months, highlighting a shift as spring gives way to the summer. The trend reveals that while the winter months, such as January and February, bring stronger breezes averaging around 3.7 to 3.9 m/s, May experiences a calming breeze just before summer picks up. Interestingly, this is part of a broader pattern where wind speeds generally fluctuate, peaking in October at 4.7 m/s (11 mph) before settling into a more stable pace through the warmer months. Overall, May serves as a transitional period, demonstrating the region's dynamic climatological shifts.
Weather in Sarpsborg varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Sarpsborg, focusing on differences in temperature, rainfall, humidity, and UV levels.
In May, temperatures in Sarpsborg range from a chilly 0°C (32°F) at night to a warm 31°C (88°F) during the day, with an average of 12°C (53°F). The month sees around 68 mm (2.7 in) of precipitation over 11 days, accompanied by a humidity level of 73%, creating a comfortable spring atmosphere. In contrast, January experiences much colder conditions, with temperatures plummeting as low as -15°C (5°F) and averaging at just 1°C (34°F), peaking at 11°C (53°F). This winter month has slightly less rainfall, measuring 54 mm (2.1 in) across 9 days, but with significantly higher humidity at 94%. For a closer look at January weather specifics, visit Sarpsborg weather in January.
May and February present stark contrasts in weather conditions. In May, temperatures range from a chilly 0°C (32°F) to a warm 31°C (88°F), with an average of 12°C (53°F), while February experiences much colder temperatures, with a minimum of -16°C (4°F) and a maximum of 12°C (54°F), averaging around 0°C (33°F). May also sees more warmth and significantly lower humidity at 73%, compared to February's high humidity of 92%. Although May has a bit more precipitation with 68 mm (2.7 in) over 11 days, February's 59 mm (2.3 in) distributed across 10 days still contributes to its brisk and chilly atmosphere. For a deeper look at February's weather patterns, you can visit Sarpsborg weather in February.
In comparing the weather of May and March, it's clear that May experiences significantly warmer temperatures, with minimums of 0°C (32°F) and maximums reaching up to 31°C (88°F), compared to March's chilling lows of -13°C (9°F) and highs of only 16°C (60°F). While March has a lower average precipitation of 59 mm (2.3 in) over 9 days, May sees a slight increase in rainfall with 68 mm (2.7 in) across 11 days, contributing to a more humid environment at 73%. March tends to be more humid at 89%, reflecting its colder temperatures and potential for lingering snow melt. For a detailed overview of March weather, you can visit Sarpsborg weather in March.
Compared to April, May experiences a more significant rise in temperatures, with averages ranging from a chilly minimum of 0°C (32°F) to a warm maximum of 31°C (88°F). In contrast, April's temperatures are cooler, with a minimum of -7°C (20°F) and a maximum of 22°C (71°F). Additionally, May sees a notable increase in precipitation, totaling 68 mm (2.7 in) over 11 days, whereas April has just 31 mm (1.2 in) spread out over 6 days. However, April's humidity is slightly higher at 82%, compared to May's 73%. For more detailed information, check out Sarpsborg weather in April.
May and June exhibit distinct weather patterns that reflect the transition from spring to early summer. In May, temperatures range from a chilly 0°C (32°F) at their minimum to a warm 31°C (88°F) at their peak, with an average of 12°C (53°F). The month sees a total precipitation of 68 mm (2.7 in) over 11 days, with a humidity level of 73%.
In contrast, June brings milder nighttime temperatures, with a minimum of 5°C (42°F) and a higher average of 17°C (63°F). The maximum temperature in June remains slightly lower at 30°C (87°F). This month experiences a bit more rainfall, totaling 74 mm (2.9 in) over 12 days, although humidity is slightly lower at 71%.
For more detailed insights into June's weather patterns, you can check Sarpsborg weather in June.
May and July exhibit notable differences in weather patterns. In May, temperatures range from a chilly 0°C (32°F) at night to a pleasant average of 12°C (53°F), peaking at a warm 31°C (88°F). Precipitation in May totals 68 mm (2.7 in) over 11 days, accompanied by relatively high humidity of 73%. In contrast, July features a milder temperature spectrum, with nighttime lows at 8°C (47°F) and an average of 18°C (65°F), reaching up to a maximum of 33°C (92°F). July also sees increased precipitation, amounting to 88 mm (3.5 in) across the same 11 days, but maintains slightly lower humidity at 72%. For a deeper look into July's weather, you can visit Sarpsborg weather in July.
May and August present distinct weather patterns. In May, temperatures range from a chilly minimum of 0°C (32°F) to a warm maximum of 31°C (88°F), with an average of 12°C (53°F). The month experiences about 68 mm (2.7 in) of precipitation over 11 days, accompanied by a humidity level of 73%. In contrast, August has a higher minimum temperature of 6°C (43°F) and an average of 17°C (62°F), with a maximum of 29°C (84°F). It sees slightly more rainfall, totaling 86 mm (3.4 in) across 14 days, and humidity increases to 77%. For a deeper look into the August climate specifics, you can check Sarpsborg weather in August.
May and September exhibit notable differences in weather patterns. In May, temperatures range from a chilly 0°C (32°F) to a warm 31°C (88°F), with an average of 12°C (53°F) and lower humidity at 73%. The month sees a total precipitation of 68 mm (2.7 in) spread over 11 rainy days. In contrast, September experiences milder temperatures, with a minimum of 0°C (33°F), an average of 13°C (56°F), and a maximum of just 24°C (76°F). This month is wetter, with 101 mm (4.0 in) of precipitation also occurring over 11 days, and higher humidity at 86%. For more details, check out Sarpsborg weather in September.
May and October present notably different weather patterns. In May, temperatures range from a chilly minimum of 0°C (32°F) to a warm maximum of 31°C (88°F), with an average of 12°C (53°F). This month typically sees about 68 mm (2.7 in) of precipitation over approximately 11 days, accompanied by a humidity level of 73%. In contrast, October experiences cooler temperatures, with a minimum of -4°C (26°F), an average of 9°C (48°F), and a maximum of just 18°C (64°F). Precipitation increases significantly to 117 mm (4.6 in) over about 14 days, and humidity rises to 92%. For more specific details about weather conditions, you can refer to Sarpsborg weather in October.
May and November present contrasting weather in terms of temperature and humidity. In May, temperatures range from a chilly 0°C (32°F) at night to a warm 31°C (88°F) during the day, with an average of 12°C (53°F). There is moderate precipitation of 68 mm (2.7 in) over 11 days, accompanied by a humidity level of 73%. In contrast, November sees much cooler temperatures, with a minimum of -9°C (16°F) and a maximum of 15°C (60°F), averaging just 4°C (40°F). This month experiences higher precipitation at 88 mm (3.5 in) across 13 days, along with increased humidity at 93%. For more details, check Sarpsborg weather in November.
May and December present contrasting weather conditions. In May, temperatures can range from a minimum of 0°C (32°F) to a maximum of 31°C (88°F), with an average temperature of 12°C (53°F). The month experiences around 68 mm (2.7 in) of precipitation over approximately 11 days, and humidity levels sit at a comfortable 73%. In stark contrast, December's weather is significantly colder, with temperatures ranging from a low of -13°C (10°F) to a high of just 10°C (51°F), averaging around 1°C (34°F). It also sees more precipitation, totaling 87 mm (3.4 in) over about 15 days, accompanied by higher humidity levels at 93%. For more detailed information regarding December weather in Sarpsborg, you can visit Sarpsborg weather in December.
In May, Sarpsborg transitions into a vibrant spring, showcasing a delightful range of temperatures that can soar as high as 31°C (88°F), contrasting with the much cooler days experienced in previous months. This month is marked by a moderate level of precipitation, with rain making its appearances on roughly a third of the days, keeping the atmosphere pleasantly fresh. The average humidity hovers around 73%, giving an invigorating feel to the air. As nature blooms, outdoor activities become more inviting, offering a stark departure from the chill of early spring. For a deeper dive into Sarpsborg’s climatic patterns, visit Sarpsborg Climate.