May Weather in Uummannaq, Greenland

Last updated: August 21, 2025

In Uummannaq, Greenland, the weather in May presents a striking contrast as the landscape begins to thaw. With a maximum temperature reaching a pleasant 10°C (51°F), the average temperature hovers around a brisk -2°C (29°F), while nights can plunge to a frigid minimum of -17°C (2°F). Visitors may experience a sense of freshness as humidity levels soar to 89%, creating a crisp atmosphere. Additionally, the region receives a modest 20 mm (0.8 in) of precipitation over approximately 4 days, making it a time of renewal in this stunning Arctic environment.

May Temperature in Uummannaq

In May, Uummannaq, Greenland, begins to break free from the grips of winter, with temperatures showing a promising upward trend. The average temperature rises to a chilly -2°C (29°F), bridging the gap between the lingering cold and the warming days ahead. Minimum temperatures also reflect this shift, hovering around -17°C (2°F), while the maximum can reach up to 10°C (51°F), inviting a hint of spring. This month signals a transition, where the stark chill of previous months begins to yield to the more moderate conditions that characterize the approaching summer. As the sunlight stretches longer across the landscape, Uummannaq starts to awaken from its winter slumber, setting the stage for the vibrant months to come.

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

The chart illustrates May temperature patterns in Uummannaq, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Uummannaq, 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).
JanFebMarAprMayJunJulAugSepOctNovDec713162938434332251918
Data source: Temperature data for Uummannaq 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 Uummannaq

In Uummannaq, Greenland, the month of May experiences a moderate precipitation level of 20 mm (0.8 in), falling on an average of 4 days. This marks a subtle decline from the wetter months of April, which recorded 29 mm (1.2 in) over 7 days. As spring transitions towards summer, this trend suggests a gradual stabilization in weather patterns, hinting at drier days ahead. Notably, May’s precipitation is part of a consistent pattern, with the earlier months of the year showing lower totals, underscoring the Arctic’s shifting climate as it prepares for the more robust rainfall seen in later summer months, particularly July.

May Precipitation Trends in Uummannaq

The chart displays monthly precipitation patterns in Uummannaq, 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 Uummannaq, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec281223292028573731343630
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Uummannaq

In Uummannaq, Greenland, May brings a humidity level of 89%, keeping the atmosphere comfortably moist as spring unfolds. This moderate humidity is part of a trend that sees the region consistently hover around the high end of the scale throughout the year, with January peaking at a striking 90%. Notably, following the high levels of springtime moisture, the humidity begins to decrease gradually into the summer months, reaching its lowest point of 84% in July. However, the trend reverses with the arrival of late summer, as humidity spikes again in August, suggesting a cyclical rhythm that underscores Uummannaq's unique climatic character. Overall, May represents a harmonious balance in the annual ebb and flow of humidity, a vital aspect of life in this Arctic town.

May Average Humidity in Uummannaq

This chart illustrates the average monthly humidity levels in Uummannaq, 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 Uummannaq is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%86%92%87%89%86%84%91%87%90%90%88%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Uummannaq

As May dawns in Uummannaq, Greenland, the UV Index rises to 4, marking the onset of moderate sun exposure after the long winter months. This increase suggests that residents and visitors alike should be more mindful of sun protection, as the time it takes for skin to burn decreases to around 30 minutes. Compared to earlier months, where the Index hovered between 1 and 3, May signals a shifting trend towards stronger sunlight, preparing the stage for the peak summer months. With temperatures warming and days lengthening, it's essential to embrace the beauty of the season while staying sun-smart. For more information on UV trends throughout the year, visit Uummannaq UV Index.

Maximum UV Index Levels in Uummannaq for May

The chart shows the monthly maximum UV Index (UVI) for Uummannaq 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 Uummannaq typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec112345442110
Data source: Uummannaq 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 Uummannaq

In May, Uummannaq, Greenland truly comes alive as the sun shines for an impressive 476 hours, marking a significant leap from the mere 5 hours of light in January. This remarkable increase reflects the gradual awakening of spring, as daylight hours transform from the long, dark nights of winter to a vibrant tapestry of light. Following closely, June boasts the highest sunshine total at 486 hours, suggesting a continuation of this radiant trend into the summer months. As the days grow longer, local life thrives beneath the sun's warm embrace, paving the way for outdoor activities and a renewed connection with nature. The contrast with the dimmer months of November and December illustrates just how vital May’s sunshine is for both the environment and the spirit of the community.

Monthly Sunshine Duration in Uummannaq: May Highlighted

The May sunshine duration represents the total number of hours Uummannaq 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.
JanFebMarAprMayJunJulAugSepOctNovDec5h107h220h319h476h486h438h376h271h143h21h0h
Data source: Uummannaq May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Uummannaq During May

As spring unfolds in Uummannaq, Greenland, the likelihood of sunny weather takes a noticeable leap, with May boasting a 40% chance of sunshine. This marks a significant increase from the preceding months, where the sun's appearance is rather dim, especially in March and April, with chances dipping as low as 16% and 21% respectively. This upward trend continues into June, when sunny days become even more prevalent, reaching 52%. Therefore, May serves as a promising turning point, heralding the warmer days ahead, and inviting outdoor activities basking in the refreshing Arctic sun.

Percentage of Sunny Days in May in Uummannaq

The chart illustrates the percentage of sunny days in Uummannaq 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 Uummannaq experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec28%36%16%21%40%52%30%32%49%26%15%26%
Data source: Uummannaq May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Uummannaq in May

In Uummannaq, Greenland, the transition from winter to summer is marked by a striking increase in daylight duration. As January’s fleeting 3 hours of daylight gradually extends to 7 hours in February, the arrival of spring brings a significant leap to 11 hours in March and 16 hours in April. May is a remarkable turning point, boasting 22 hours of bright sunlight, a prelude to the 24 hours of continuous daylight enjoyed in June. Even as summer wanes, July’s 23 hours and August’s 18 hours still offer ample illumination, before the daylight begins to dwindle again. By September, the sun retreats to 13 hours, a reminder of winter's approach, which sees the daylight plummet to just 0 hours in December. This rhythmic cycle paints a vivid picture of life in Uummannaq, where the dance of light and dark profoundly shapes the landscape and the spirit of its residents.

Average Daylight Hours in Uummannaq for May

The chart illustrates the variation in daylight duration in Uummannaq throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec3h 47m7h11h 46m16h 34m22h 47m24h23h 54m18h 20m13h 16m8h 38m4h 52m
Data source: Uummannaq daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Uummannaq

In Uummannaq, Greenland, the winds in May breathe a gentle sigh, with an average wind speed of 2.5 m/s (6 mph). This marks a slight decline from the brisk breezes of earlier months, like February and March, which hum with energies of 3.2 m/s (7 mph) and 2.9 m/s (7 mph), respectively. As spring unfolds, the wind continues to mellow, suggesting a transition into the warmer months ahead. Interestingly, June and July show even gentler currents at 2.4 m/s (5 mph), hinting that as Uummannaq approaches summer, the winds tend to calm, creating a serene atmosphere perfect for appreciating the stunning landscapes.

Average May Wind Speed in Uummannaq

The chart displays monthly wind speed patterns in Uummannaq, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.83.22.92.92.5 m/s2.42.42.61.82.62.33.0
Data source: Uummannaq May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Uummannaq Compares to Other Months

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

In comparing the weather of May and January, it’s clear that January is significantly colder, with a minimum temperature of -26°C (-15°F) and an average of -14°C (7°F), while May experiences milder temperatures, ranging from -17°C (2°F) to an average of -2°C (29°F). January also sees more precipitation, totaling 28 mm (1.1 in) over roughly six days, compared to May's 20 mm (0.8 in) over just four days. The humidity levels are quite similar, with January at 90% and May at 89%, contributing to a chilly, damp atmosphere in both months. For more detailed information on January weather specifically, you can check Uummannaq weather in January.

May and February present stark contrasts in weather conditions. In May, temperatures range from a minimum of -17°C (2°F) to a maximum of 10°C (51°F), with an average temperature of -2°C (29°F). The month experiences around 20 mm (0.8 in) of precipitation over approximately 4 days, accompanied by high humidity levels at 89%. Conversely, February is much colder, with temperatures that dip as low as -29°C (-21°F) and only reach a maximum of -6°C (22°F), averaging -17°C (2°F). February sees less precipitation, totaling 12 mm (0.5 in) over 3 days, and slightly lower humidity at 86%. For a detailed look at February's weather, you can visit Uummannaq weather in February.

May and March in Uummannaq offer contrasting weather experiences. In March, temperatures dip significantly, with an average of -16°C (3°F) and a minimum reaching -31°C (-23°F), making it one of the colder months. March also sees slightly higher precipitation, totaling 23 mm (0.9 in) over 6 days, coupled with a humidity level of 92%. In contrast, May brings a notable rise in temperatures, with an average of -2°C (29°F) and a maximum of 10°C (51°F). Precipitation decreases to 20 mm (0.8 in) over 4 days, and humidity is slightly lower at 89%. For a deeper dive into March conditions, visit Uummannaq weather in March.

In comparing the weather between April and May, May shows a noticeable warming trend. The minimum temperature in May is -17°C (2°F), which is significantly warmer than April's -23°C (-9°F). The average temperature rises to -2°C (29°F) in May, compared to April's average of -9°C (17°F). Additionally, the maximum temperature in May reaches 10°C (51°F), surpassing April's 7°C (44°F). Precipitation in May totals 20 mm (0.8 in) over 4 days, while April experiences slightly more rainfall at 29 mm (1.2 in) over 7 days. Humidity levels are fairly similar, with May at 89% and April at 87%. For a more detailed look at April's weather, you can visit Uummannaq weather in April.

In May, temperatures fluctuate between a chilly -17°C (2°F) and a mild 10°C (51°F), with an average around -2°C (29°F). The month sees about 20 mm (0.8 in) of precipitation over 4 days and maintains a high humidity level of 89%. In contrast, June brings a slight warming trend, with temperatures ranging from -5°C (24°F) to 12°C (54°F) and an average of 4°C (39°F). While June experiences a bit more precipitation, totaling 27 mm (1.1 in) over 7 days, the humidity remains relatively stable at 86%. For more details, check out Uummannaq weather in June.

May and July present distinct contrasts in weather patterns. In May, temperatures can drop as low as -17°C (2°F), with an average of -2°C (29°F) and a maximum reaching 10°C (51°F). The month experiences relatively low precipitation, totaling 20 mm (0.8 in) over just 4 days, while humidity remains high at 89%. In contrast, July's temperatures are milder, with a minimum of -2°C (29°F), an average of 6°C (44°F), and a maximum of 16°C (61°F). However, it is a wetter month, receiving 57 mm (2.3 in) of precipitation over 10 days, coupled with slightly lower humidity at 84%. For a deeper look at July's weather, you can visit Uummannaq weather in July.

May and August present distinct differences in weather patterns. In May, temperatures range from a chilly minimum of -17°C (2°F) to a maximum of 10°C (51°F), with an average of -2°C (29°F). The month receives about 20 mm (0.8 in) of precipitation over 4 days, coupled with a high humidity level of 89%. In contrast, August sees a milder climate, with temperatures ranging from a minimum of -2°C (29°F) to a maximum of 16°C (62°F), averaging 6°C (43°F). Precipitation increases to 37 mm (1.4 in) over 7 days, and humidity slightly rises to 91%. For more detailed insights into August weather, you can visit Uummannaq weather in August.

In comparison, May and September exhibit notable differences in their weather patterns. May typically experiences a temperature range from a frosty -17°C (2°F) at its lowest to a moderate 10°C (51°F) at its highest, with an average of -2°C (29°F). The month receives minimal precipitation, averaging 20 mm (0.8 in) over just four days, and maintains a high humidity level of 89%. In contrast, September features milder temperatures, with a minimum of -8°C (17°F) and a maximum of 8°C (46°F), averaging around 0°C (32°F). This month sees increased rainfall, totaling 31 mm (1.2 in) across eight days, while humidity slightly decreases to 87%. For more detailed information, you can check Uummannaq weather in September.

In comparing the weather between May and October, both months exhibit frigid temperatures typical of their northern climate. May's temperatures range from a minimum of -17°C (2°F) to a maximum of 10°C (51°F), with an average of -2°C (29°F). In contrast, October's temperature ranges from a minimum of -14°C (7°F) to a maximum of 6°C (42°F), yielding an average of -4°C (25°F). Precipitation levels also differ, with May receiving about 20 mm (0.8 in) across 4 days, while October sees an increased precipitation of 34 mm (1.3 in) over 8 days. Interestingly, humidity remains quite similar, as both months maintain high levels around 89-90%. For those interested in more specifics about October weather, please visit Uummannaq weather in October.

May and November both experience cold temperatures, but November tends to be slightly chillier overall. In May, temperatures range from a minimum of -17°C (2°F) to a maximum of 10°C (51°F), with an average of -2°C (29°F) and a total precipitation of 20 mm (0.8 in) over about 4 days. In contrast, November features a narrower temperature range with a minimum of -16°C (4°F) and a maximum of 5°C (41°F), resulting in a higher average of -7°C (19°F) and increased precipitation of 36 mm (1.4 in) spread over approximately 10 days. Additionally, both months have similar humidity levels, with May at 89% and November slightly higher at 90%. For more details on November weather, you can check Uummannaq weather in November.

In comparing the weather conditions of May and December, May offers a milder climate with average temperatures ranging from a minimum of -17°C (2°F) to a maximum of 10°C (51°F). With just 20 mm (0.8 in) of precipitation over 4 days and a high humidity level of 89%, May experiences relatively dry conditions for a spring month. In contrast, December is colder, with temperatures ranging from a minimum of -18°C (0°F) to a maximum of 3°C (38°F). It sees increased precipitation of 30 mm (1.2 in), spread over 9 days, while maintaining a slightly lower humidity of 88%. For more detailed insights into December weather, visit Uummannaq weather in December.

Compare Uummannaq's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Uummannaq

As May unfolds in Uummannaq, the transition to warmer weather becomes evident, with average temperatures rising significantly compared to the frigid winter months. Although it boasts a maximum of 10°C, the occasional chill still lingers, reflected in the average temperature hovering around -2°C. The month sees moderate precipitation, with about 20 mm spread across four days, creating a refreshing atmosphere enhanced by the high humidity of 89%. This blend of cool temperatures and increased moisture makes May a unique time in Uummannaq, setting the stage for the summer months ahead. For a deeper understanding of what to expect throughout the year, check out Uummannaq Climate.