May weather forecastNuuk, Greenland

May
Weather in May
With the arrival of May, temperatures rise significantly, moving into positive figures. The city sees a significant decrease in snowfall days, as the spring season transitions into full swing. Nuuk starts coming to life with outdoor activities and celebrations, given the growth in daylight and sunshine hours. While the sea temperature modestly increases, the variety of water-based activities enhances, making Nuuk's waters vibrant with energy. The rainfall in May is quite high, standing at 55mm (2.17"), considering the increased temperatures and lower snowfall.Temperature
Nuuk's May weather indicates a minor ascent in high-temperatures, adjusting from a freezing cold -1.2°C (29.8°F) in April to an icy 3.1°C (37.6°F). Nuuk's May nights experience a subtle temperature dip to an average of -1.7°C (28.9°F).Rainfall
In May, the rain falls for 13 days. Throughout May, 55mm (2.17") of precipitation is accumulated. Throughout the year, in Nuuk, Greenland, there are 159.6 rainfall days, and 752mm (29.61") of precipitation is accumulated.Snowfall
Months with snowfall in Nuuk are January through December. In May, snow falls for 9.4 days. In Nuuk, Greenland, during the entire year, snow falls for 104.7 days.Sea temperature
In Nuuk, in May, the average water temperature is 0.2°C (32.4°F).Note: Under swimming conditions, this represents an immediate threat to life. Control over breathing is lost instantaneously, complicating thought processes. A specialized swimsuit is indispensable to conserve thermal energy.
Daylight
In Nuuk, the average length of the day in May is 18h and 31min.On the first day of the month, sunrise is at 05:55 and sunset at 22:52. On the last day of May, sunrise is at 04:21 and sunset at 00:28 -01.
Sunshine
The average sunshine in May in Nuuk is 6h.UV index
In May, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: In May, the maximum UV index of 3 suggests these recommendations:
Take precautions - Protection against sun damage is advised. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Nuuk, Greenland
- Average high temperature in May: 3.1°C
The warmest month (with the highest average high temperature) is July (9.9°C).
The month with the lowest average high temperature is March (-5.1°C).
- Average low temperature in May: -1.7°C
The months with the highest average low temperature are July and August (3.5°C).
The coldest months (with the lowest average low temperature) are February and March (-10.7°C).
Average rainfall in May
Nuuk, Greenland
- Average rainfall in May: 55mm
The wettest month (with the highest rainfall) is September (89mm).
The driest month (with the least rainfall) is January (40mm).
Average rainfall days in May
Nuuk, Greenland
- Average rainfall days in May: 13 days
The month with the highest number of rainy days is March (15.1 days).
The month with the least rainy days is June (10.5 days).
Average snowfall days in May
Nuuk, Greenland
- Average snowfall days in May: 9.4 days
The month with the highest number of snowfall days is March (14.5 days).
The month with the least snowfall days is July (0.1 days).
Average sea temperature in May
Nuuk, Greenland
- Average sea temperature in May: 0.2°C
The best month for swimming (with the highest average sea temperature) is August (4.1°C).
The coldest month (with the lowest average sea temperature) is February (-0.9°C).
Average daylight in May /
Average sunshine in May
Nuuk, Greenland
- Average daylight in May: 18h and 30min
The month with the longest days is June (Average daylight: 20h and 54min).
The month with the shortest days is December (Average daylight: 4h and 24min).
- Average sunshine in May: 6h
The month with the most sunshine is April (Average sunshine: 8h).
The months with the least sunshine are January, November and December (Average sunshine: 1h).
Average UV index in May
Nuuk, Greenland
- Average UV index in May: 3
The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 0).





