Last updated: August 27, 2025
In Grimstad, Norway, the weather in May showcases a delightful transition into spring. With maximum temperatures reaching up to 25°C (78°F) and an average temperature of 11°C (52°F), residents and visitors alike can enjoy milder days. However, nighttime chills can drop to a brisk 1°C (34°F), reminding all of the lingering winter. Precipitation is notable, with an accumulated amount of 83 mm (3.3 in) over approximately 10 days, contributing to the lushness of the landscape. Coupled with a relatively high humidity of 75%, May in Grimstad offers a refreshing yet slightly damp atmosphere, perfect for outdoor activities and embracing nature's beauty.
As spring transitions into summer, May in Grimstad, Norway offers a refreshing change, with temperatures on a steady rise. The month begins with a mild minimum of 1°C (34°F), gradually warming to an inviting average of 11°C (52°F), peaking at a delightful 25°C (78°F). This significant increase from the colder, preceding months signals the departure from winter's chill and invites residents and visitors alike to enjoy outdoor activities under the sun. The warmth of May marks a shift towards more temperate weather, setting the stage for the vibrant, sun-soaked days of summer that follow in June.
In May, Grimstad experiences a notable shift in precipitation, with 83 mm (3.3 in) of rain recorded over 10 days. This month stands out with a slight uptick from the drier April, which saw only 38 mm (1.5 in) across just 6 days. Despite the rain, May maintains a balance as spring unfolds, suggesting an inviting transition towards the lushness of summer. As the region shifts towards the wetter months ahead, this pattern hints at an increase in precipitation leading into June and beyond, where totals typically rise. Overall, May offers a refreshing display of spring rain while setting the stage for the more abundant showers of the summer season.
May in Grimstad, Norway, marks a notable shift in humidity levels as they drop to 75%, a refreshing change from the winter months when humidity often hovers above 90%. This gradual decrease that starts in the cold months of January (93%) through April (83%) gives way to a more comfortable spring atmosphere, transitioning nicely into the drier conditions of summer, where June and July both settle at 74%. Interestingly, this dip invites a pleasant outdoor experience before the humidity rebounds in the fall months, particularly in September (86%) and October (92%). Overall, May acts as a transitional month, offering a brief reprieve from the heavy moisture of the preceding seasons while setting the stage for the warmer, sunnier days ahead.
As spring blossoms into summer, May in Grimstad, Norway, brings a noteworthy shift in sunlight intensity, with a UV Index of 6 indicating a high exposure category. This increase from the more moderate levels of April, where the index sits at 4, emphasizes the need for increased sun protection, as the recommended burn time decreases to just 25 minutes. During this month, residents and visitors alike should be vigilant, ensuring to shield their skin from the sun's stronger rays while enjoying the longer daylight hours. As the UV Index continues to rise into June and July, it serves as a reminder that outdoor fun must always be balanced with safety. For more detailed information about UV exposure in Grimstad, check out Grimstad UV Index.
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In the charming coastal town of Grimstad, Norway, May emerges as a radiant gem in the yearly sunshine saga, boasting an impressive 437 hours of sunlight. This marks a significant leap from the earlier months, particularly when compared to January's mere 102 hours. As spring unfolds, the gradual buildup of daylight is palpable, with April already enjoying 375 hours, leading seamlessly into May's vibrant warmth. This upward trend continues into June, where residents bask in the longest days, totaling 460 hours. The peak of summer sees July shining even brighter with 475 hours, while August gently ushers in a slight decline. Yet, May remains a highlight, showcasing the best of the blossoming season, inviting everyone to revel in its sunshine after the long winter months.
As May approaches in Grimstad, Norway, the chance of sunny weather dips to 33%, which is a stark contrast to the preceding month of April, where sunlight graced the skies 66% of the time. This fluctuation reflects seasonal patterns, as spring gives way to the unpredictability of early summer. Following May, the likelihood of sunshine sees a modest increase in June to 42%, hinting at a gradual return of brighter days. The trend shows that while May may not frequently bask in sunlight, it paves the way for sunnier months ahead, reminding residents and visitors alike that nature's whims can often surprise us even in the midst of fluctuating forecasts.
In Grimstad, Norway, the month of May marks a significant shift towards longer days, with daylight extending to a refreshing 16 hours. This vibrant progression follows a steady increase from 7 hours in January, growing gradually to 14 hours in April. As nature awakens in spring, May delivers almost double the daylight compared to the start of the year, inviting residents and visitors alike to relish the beautiful landscapes and outdoor activities. This trend continues into June, where daylight peaks at an impressive 18 hours, further enhancing the allure of Norway’s stunning scenery. As the seasons transition, May serves as a delightful bridge, celebrating the full return of sunlight before the days slowly shorten once again.
In May, the average wind speed in Grimstad, Norway slows slightly to 4.3 m/s (10 mph), showcasing a gentle breeze that characterizes the month. This marks a noticeable decline compared to the breezier winter months, where speeds hover around 4.8 m/s in January and March. As spring progresses, the winds tend to mellow, with April already presenting a drop to 4.5 m/s (10 mph). Interestingly, just as May arrives, the trend continues towards calmer conditions, gradually setting the stage for the lighter breezes of summer, with June and July slightly dipping further to 4.2 m/s and 4.0 m/s, respectively. This consistent softening of the winds not only enhances the idyllic charm of Grimstad in late spring but also invites outdoor enthusiasts to enjoy the serene coastal landscapes.
Weather in Grimstad varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Grimstad, focusing on differences in temperature, rainfall, humidity, and UV levels.
When comparing the weather in May and January, we see a stark contrast in temperatures and conditions. May experiences a minimum temperature of 1°C (34°F) and can rise to a maximum of 25°C (78°F), with an average of 11°C (52°F). In contrast, January is much colder, with minimums plunging to -11°C (12°F) and a maximum temperature of only 10°C (49°F), averaging around 2°C (36°F). While May sees around 83 mm (3.3 in) of precipitation over about 10 days, January has similar precipitation levels at 81 mm (3.2 in) but spread over a slightly longer duration of 12 days. Additionally, January boasts higher humidity at 93%, compared to May's 75%. For more detailed information, you can visit Grimstad weather in January.
May and February exhibit stark contrasts in weather patterns. In May, temperatures rise significantly, ranging from a minimum of 1°C (34°F) to a pleasant maximum of 25°C (78°F), with an average of 11°C (52°F). The month sees about 83 mm (3.3 in) of precipitation over 10 days, coupled with a moderate humidity level of 75%. In contrast, February presents a much colder climate, with temperatures dipping as low as -12°C (10°F) and averaging only 2°C (35°F), peaking at 10°C (51°F). Precipitation is slightly higher at 103 mm (4.0 in) spread across 13 days, and humidity is notably higher at 91%. For a more detailed look at February weather, you can visit Grimstad weather in February.
When comparing the weather in May and March, there are notable differences in temperature and precipitation. May experiences milder temperatures, with an average of 11°C (52°F) and a maximum of 25°C (78°F), while March has a lower average of 3°C (38°F) and a maximum of 17°C (64°F), making March quite chilly with minimum temperatures dipping to -10°C (14°F). In terms of precipitation, March is slightly wetter, with 97 mm (3.8 in) over 12 days compared to May's 83 mm (3.3 in) across 10 days. Additionally, humidity levels are higher in March at 88%, compared to 75% in May. For a more detailed look at the weather in March, you can check Grimstad weather in March.
When comparing the weather in April and May, we notice a clear shift towards warmer temperatures and increased rainfall in May. April experiences a chillier range with minimum temperatures dipping to -5°C (23°F) and an average of 6°C (44°F), while May sees temperatures significantly rise, ranging from a minimum of 1°C (34°F) to an average of 11°C (52°F) and a maximum of 25°C (78°F). In terms of precipitation, May receives more rainfall, totaling 83 mm (3.3 in) over 10 days, compared to April, which has 38 mm (1.5 in) across just 6 days. Interestingly, both months exhibit high humidity levels, with April at 83% and May slightly lower at 75%. For a closer look at April's weather, you can refer to Grimstad weather in April.
May and June exhibit notable changes in weather conditions as spring transitions into summer. In May, temperatures range from a chilly 1°C (34°F) at night to a warm 25°C (78°F) during the day, with an average of 11°C (52°F). This month experiences about 83 mm (3.3 in) of precipitation over approximately 10 rainy days, with a humidity level of 75%.
In contrast, June brings warmer temperatures, with minimums rising to 6°C (43°F) and a maximum reaching 28°C (83°F), leading to an average of 16°C (61°F). Precipitation slightly increases to 88 mm (3.5 in), spread over around 11 days, while humidity remains relatively stable at 74%. These shifts highlight a trend toward warmer and slightly wetter weather as the seasons progress. For more detailed insights, you can check Grimstad weather in June.
In May, temperatures start to warm up with a minimum of 1°C (34°F) and an average of 11°C (52°F), peaking at 25°C (78°F). The month experiences approximately 83 mm (3.3 in) of precipitation over about 10 days, coupled with relatively high humidity at 75%. By contrast, July sees a significant uptick in temperatures, with a minimum of 9°C (49°F) and an average of 18°C (64°F), reaching a maximum of 27°C (81°F). The weather remains similarly wet, recording 88 mm (3.5 in) of rainfall over 11 days and slightly lower humidity at 74%. For more details, you can check Grimstad weather in July.
When comparing the weather in May and August, there are some notable differences and similarities. May has cooler temperatures, with averages ranging from a minimum of 1°C (34°F) to a maximum of 25°C (78°F), while August exhibits milder conditions with minimum temperatures of 9°C (48°F) and a slightly higher average of 16°C (62°F). Precipitation is more frequent and slightly higher in August, totaling 101 mm (4.0 in) over 13 days, compared to May's 83 mm (3.3 in) across 10 days. Both months experience similar maximum temperatures of around 25°C (77°F), but humidity levels are slightly higher in August at 78%, compared to May’s 75%. For a detailed look at the weather in August, visit Grimstad weather in August.
May and September offer a transition in weather patterns. In May, temperatures range from a chilly 1°C (34°F) at night to a pleasant 25°C (78°F) during the day, with an average of 11°C (52°F). The month sees about 83 mm (3.3 in) of precipitation over roughly 10 days, accompanied by moderate humidity levels around 75%. In contrast, September experiences slightly warmer nighttime temperatures, starting at 4°C (40°F), and maintains a similar daytime maximum of 25°C (77°F), with an average of 14°C (57°F). However, it brings increased rainfall, totaling 115 mm (4.5 in) over 14 days, and higher humidity at 86%. For a detailed look at the weather specifics in September, you can check Grimstad weather in September.
May and October showcase distinct weather patterns that reflect the transition of seasons. In May, temperatures range from a chilly 1°C (34°F) at night to a comfortable max of 25°C (78°F) during the day, with an average of 11°C (52°F). The month receives about 83 mm (3.3 in) of precipitation over approximately 10 days, and humidity levels are around 75%. In contrast, October experiences cooler temperatures, with a minimum of 0°C (32°F), an average of 10°C (50°F), and a max of just 17°C (62°F). This month is notably wetter, with 169 mm (6.7 in) of rain over 15 days and higher humidity at 92%. For a detailed look at October weather, visit Grimstad weather in October.
May and November present striking contrasts in weather patterns. In May, temperatures range from a minimum of 1°C (34°F) to a comfortable maximum of 25°C (78°F), with an average of 11°C (52°F). The month sees about 83 mm (3.3 in) of precipitation over 10 days and a humidity level of 75%, making it a relatively pleasant time of year. In contrast, November experiences much colder conditions, with temperatures dropping to a minimum of -6°C (22°F) and a maximum of 14°C (58°F), resulting in an average of just 6°C (43°F). Additionally, this month is wetter, with 128 mm (5.1 in) of precipitation spread across 16 days and a higher humidity of 92%. These differences underscore how May heralds spring's warmth, while November ushers in the chill of winter. For more details, check out Grimstad weather in November.
In May, the weather generally ranges from a minimum temperature of 1°C (34°F) to a pleasant maximum of 25°C (78°F), with an average of 11°C (52°F). The month sees approximately 83 mm (3.3 in) of precipitation spread over about 10 days, accompanied by a humidity level of 75%. In contrast, December brings much colder temperatures, with a minimum of -9°C (15°F) and a maximum of 11°C (53°F), averaging just 3°C (38°F). This month experiences significantly higher precipitation at 152 mm (6.0 in) over 19 days, coupled with increased humidity at 92%. For more detailed insights, you can check Grimstad weather in December.
As we step into May, Grimstad experiences a defining transition from the chill of early spring to the warmth of summer. Unlike the colder months, where temperatures linger near freezing, May introduces a refreshing vigor with an average temperature of 11°C, making outdoor activities much more inviting. While the month does see some rain—approximately 83 mm—the pleasant 75% humidity creates a lively atmosphere, nurturing the vibrant bloom of early summer. With around 10 days of rain, it's a reminder to embrace the unpredictable nature of springtime in Grimstad. To explore more about the delightful climatic variations, check out Grimstad Climate.