Last updated: August 21, 2025
May in Sisimiut, Greenland offers a striking transition into spring as temperatures hover between a maximum of 9°C (48°F) and a chilling minimum of -11°C (12°F), averaging around -1°C (31°F). Despite the cool climate, the area experiences approximately 21 mm (0.8 in) of precipitation over 4 days, contributing to a humidity level of 87% that envelops the region. This blend of crisp air and sporadic moisture creates a unique atmosphere, inviting outdoor exploration amidst Greenland’s breathtaking landscapes.
In May, Sisimiut, Greenland begins to shake off the bitter chill of winter, showcasing temperatures that hint at the arrival of warmer days. With minimums around -11°C (12°F) and an average hovering just above freezing at -1°C (31°F), the town sees a noticeable shift as daytime highs reach up to 9°C (48°F). This month marks a significant warming trend compared to the harsh depths of winter, where temperatures often plunge to -30°C (-21°F). As the ice melts and snow recedes, the landscape transforms, inviting residents and visitors alike to embrace the awakening beauty of nature in this Arctic locale. The gradual ascent into milder temperatures paves the way for the lush, vibrant seasons that follow, making May a compelling transitional period in Sisimiut's climatic year.
In May, Sisimiut experiences a noticeable dip in precipitation, with only 21 mm (0.8 in) of rain spread over just 4 days. This marks a significant decrease compared to the previous months of April, which had 51 mm, and brings a gentler transition into the summer months. As the days grow longer and temperatures rise, May's precipitation is the second-lowest of the year, hinting at a brief respite before the wetter conditions of June and July set in. This pattern suggests a shift in weather dynamics, as the region moves from the residual snows of winter towards a milder and more vibrant phase of spring.
In May, humidity in Sisimiut, Greenland, starts to show a slight yet noticeable decline, reaching 87%. This decrease marks the transition into summer, as the months prior are characterized by consistently high humidity levels, peaking at 96% in January and averaging around 90% in the winter months. As we move from the chill of early spring into the milder days of late spring and early summer, the humidity gradually decreases. Interestingly, this trend continues into June and July, where levels drop further to 82% and 81%, respectively, suggesting the arrival of drier coastal breezes that often define Greenland’s summer climate. Thus, May serves as a pivotal month, bridging the high humidity of the long winter and the more comfortable conditions of summer.
As May unfolds in Sisimiut, Greenland, the UV Index reaches a moderate level of 5, signaling a notable transition in sun exposure. This upward trend from the previous months reflects the increasing intensity of sunlight as the days grow longer. With a burn time of just 30 minutes, it’s essential for residents and visitors alike to be mindful of sun safety. The gradual climb from a low UV Index in winter to moderate levels in late spring emphasizes the importance of adjusting sun protection practices as the season changes. For more details on the UV Index throughout the year, visit Sisimiut UV Index.
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As the calendar flips to May in Sisimiut, Greenland, the days blossom with an impressive 356 hours of sunlight—a remarkable surge after the long, dark winter months. Following a steady increase from January’s mere 19 hours, the transition into spring reveals a vibrant trend in daylight, peaking in May before starting a gentle decline. This month not only signifies the height of sunlight, but also symbolizes the awakening of nature, as residents bask in the warmth of nearly 12 hours of sunlight each day. The gradual ascent culminates in a beautiful crescendo, setting the stage for the enjoyable summer months ahead, making May a truly luminous gem in Sisimiut's annual calendar.
In Sisimiut, Greenland, the likelihood of sunny weather takes a promising turn in May, with a 31% chance of sun. This marks an improvement from the previous months, where sunshine was scarce—particularly in March, which saw a mere 9%. As spring progresses, April's 24% offers a hint of brighter days ahead, leading into May's encouraging forecast. While June dips slightly to 22%, the sunny prospects for May hint at the invigorating arrival of summer, setting the stage for the longer, brighter days that follow and making it an ideal time for outdoor exploration in this stunning Arctic locale.
In Sisimiut, Greenland, the arrival of May heralds a dramatic increase in daylight, with the sun gracing the skies for an impressive 20 hours each day. This surge follows a gradual transition from the winter months, where January offers a mere 6 hours of light, building steadily through February and March. By April, residents relish 15 hours of brightness, making way for the almost round-the-clock illumination of June, which boasts 23 hours of daylight. As summer wanes, the daylight starts to recede again, with July still holding onto 21 hours, but August sees a noticeable drop to 16 hours. This distinct rhythm of daylight in Sisimiut not only marks the changing seasons but also shapes the lifestyle and activities of its inhabitants, encouraging outdoor pursuits and community gatherings as the sun shines brighter and longer.
In May, Sisimiut experiences a gentle breeze, with an average wind speed of just 3.3 m/s (7 mph), marking one of the calmest months of the year. This slight dip in wind speed from April's 4.1 m/s suggests a brief respite before the summer months bring slightly stronger gusts. Interestingly, the winds pick up again in June to 3.4 m/s (8 mph) and continue to strengthen as the year progresses, averaging around 4.0 m/s during the fall. Overall, May's mild winds provide a perfect backdrop for outdoor activities in Greenland's stunning landscapes, allowing residents and visitors alike to enjoy the serene beauty of the onset of summer.
Weather in Sisimiut varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Sisimiut, focusing on differences in temperature, rainfall, humidity, and UV levels.
May and January present strikingly different weather conditions. In May, temperatures show a marked improvement, ranging from a minimum of -11°C (12°F) to a maximum of 9°C (48°F), with an average of -1°C (31°F). The precipitation is relatively light at 21 mm (0.8 in) over about 4 days, and humidity sits at 87%. In contrast, January is much colder, with temperatures dipping from -23°C (-8°F) to just 2°C (37°F) and an average of -12°C (11°F). This month also sees significantly more precipitation at 49 mm (1.9 in) spread over 12 days, coupled with higher humidity levels of 96%. This stark difference underscores the transition from the heart of winter to the early hints of spring. For a closer look at January weather, visit Sisimiut weather in January.
When comparing the weather in May and February, a stark difference in temperatures is apparent. In May, temperatures range from a minimum of -11°C (12°F) to a maximum of 9°C (48°F), with an average of -1°C (31°F). In contrast, February is significantly colder, with minimum temperatures plunging to -30°C (-21°F) and an average of -17°C (2°F), while the maximum only reaches -3°C (27°F). Precipitation levels are similar, with May recording 21 mm over 4 days and February slightly less at 19 mm over 5 days. However, February experiences higher humidity, averaging 93% compared to May's 87%. For more details on February weather, you can visit Sisimiut weather in February.
In comparing the weather conditions of May and March, May enjoys notably milder temperatures, with average highs reaching 9°C (48°F) compared to March's maximum of 0°C (32°F). The minimum temperature in May is -11°C (12°F), significantly warmer than the chilly -26°C (-15°F) recorded in March. While March experiences more precipitation, totaling 44 mm (1.8 in) across 10 days, May’s precipitation is much lighter at 21 mm (0.8 in) over just 4 days. Additionally, humidity levels are slightly lower in May at 87%, compared to March’s 94%. For more detailed insights on March's weather, you can visit Sisimiut weather in March.
In comparing the weather between April and May, a notable shift in temperatures is observed. May experiences milder conditions, with minimum temperatures of -11°C (12°F) and an average of -1°C (31°F), compared to April’s colder minimum of -20°C (-3°F) and average of -6°C (21°F). May also sees a higher maximum temperature of 9°C (48°F), while April peaks at only 5°C (42°F). However, April recorded significantly more precipitation, with 51 mm (2.0 in) over 10 days, compared to May's 21 mm (0.8 in) over just 4 days. The humidity levels remain similar, with April at 89% and May at 87%. For a closer look at April's weather specifics, visit Sisimiut weather in April.
In comparing the weather of May and June, it is evident that June experiences slightly milder temperatures overall, with an average of 3°C (38°F) compared to May's average of -1°C (31°F). While both months see relatively low minimum temperatures, June's minimum is -2°C (28°F), an improvement over May's more extreme -11°C (12°F). However, June has more precipitation, with 35 mm (1.4 in) falling over 9 days, whereas May has just 21 mm (0.8 in) over 4 days. Interestingly, humidity levels decrease slightly in June to 82%, compared to the higher 87% in May. For more detailed information about June weather in this region, visit Sisimiut weather in June.
In May, the weather is notably cooler, with temperatures ranging from a minimum of -11°C (12°F) to a maximum of 9°C (48°F) and an average of -1°C (31°F). The month sees limited precipitation, with only 21 mm (0.8 in) over four days, resulting in relatively high humidity at 87%.
In contrast, July brings milder temperatures, with a minimum of -1°C (31°F), an average of 6°C (43°F), and a maximum of 14°C (57°F). However, this month experiences significantly more rainfall, with 80 mm (3.2 in) spread over 11 days, contributing to lower humidity at 81%.
For a more detailed look at July weather, you can check Sisimiut weather in July.
In May, temperatures in Sisimiut are quite chilly, with a minimum of -11°C (12°F) and an average temperature of -1°C (31°F), while August sees a noticeable improvement with minimum temperatures around 2°C (35°F) and an average of 7°C (44°F). Precipitation also varies significantly; May experiences 21 mm (0.8 in) of rain over just 4 days, whereas August is much wetter, receiving 66 mm (2.6 in) over 11 days. The humidity remains relatively high in both months, peaking at 87% in May and slightly increasing to 89% in August. For more detailed information about August weather in Sisimiut, you can visit Sisimiut weather in August.
May and September in Sisimiut showcase a transition in weather, with temperatures gradually warming up by the latter month. In May, temperatures range from a chilling minimum of -11°C (12°F) to a maximum of 9°C (48°F), accompanied by relatively low precipitation of 21 mm (0.8 in) over just 4 days. The humidity is quite high at 87%, contributing to a brisk atmosphere. In contrast, September experiences a broader range with minimum temperatures of -4°C (25°F) and a similar maximum of 9°C (49°F), but with increased precipitation of 53 mm (2.1 in) spread across about 10 days, and slightly lower humidity at 85%. For a more detailed look at September weather, you can visit Sisimiut weather in September.
May and October share similar average temperatures, hovering around -1°C (31°F). However, October tends to be colder overall, with a slightly lower maximum temperature of 7°C (44°F) compared to May's 9°C (48°F). Precipitation in October is significantly higher, with 75 mm (2.9 in) over 11 days, compared to May's 21 mm (0.8 in) across 4 days, indicating a wetter atmosphere as autumn progresses. The humidity remains fairly consistent between the two months, with May at 87% and October at 86%. For more details on October weather, you can check Sisimiut weather in October.
May and November present notable differences in weather patterns. In May, temperatures typically range from a minimum of -11°C (12°F) to a maximum of 9°C (48°F), with an average of -1°C (31°F). The month receives about 21 mm (0.8 in) of precipitation over approximately 4 days, coupled with a relatively high humidity of 87%. In contrast, November is colder, with temperatures ranging from -15°C (5°F) to a maximum of 4°C (39°F), and an average temperature of -6°C (22°F). This month sees significantly higher precipitation at 75 mm (3.0 in) spread over 14 days, along with slightly increased humidity at 89%. For more detailed information about November weather, you can check Sisimiut weather in November.
May and December present contrasting weather conditions, with May experiencing relatively milder temperatures, ranging from a minimum of -11°C (12°F) to a maximum of 9°C (48°F). In May, the average temperature hovers around -1°C (31°F), along with low precipitation of 21 mm (0.8 in) spread over just four days, and humidity at a comfortable 87%. In contrast, December sees colder conditions, with temperatures plunging further, showing a minimum of -16°C (4°F) and a maximum of only 5°C (41°F). The average temperature drops to -7°C (19°F) during this month, accompanied by significantly increased precipitation of 70 mm (2.8 in) over 14 days, and a humidity level that rises slightly to 90%. For more information, you can refer to Sisimiut weather in December.
As May unfolds in Sisimiut, the weather begins to shift from the harshness of winter to a more temperate climate. With temperatures gradually rising, you'll find a touch of warmth with average highs reaching a pleasant 9°C. This transition is marked by increased humidity levels at 87%, creating a damp atmosphere, but only a handful of 4 precipitation days keeps the surroundings relatively dry. Unlike the colder months that dominate winter and early spring, May offers a much-needed respite, making it an ideal time to explore the stunning landscapes. For a detailed exploration of the seasonal changes in Sisimiut, visit Sisimiut Climate.