May weather forecast
Uummannaq, Greenland

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May

Weather in May

In Uummannaq, Greenland, May's weather can be described as comfortably cool. As the transition from winter to spring continues, May brings with it warmer temperatures, creating a stark contrast with the chilly climate of April. Cumulative rainfall reduces slightly from the preceding month while daylight continues to increase, reaching its maximum at an impressive 22.8 hours. Warmer, longer days are accompanied by a decrease in sea ice and an overall noisy environment caused by ice melt. The pronounced change in weather and atmosphere from last month indicates the arrival of the summer season.

Temperature

May marks a distinct rise in the average high-temperature, ascending from April's freezing cold -8°C (17.6°F) to an icy 2°C (35.6°F). The average temperature in Uummannaq drops to a subzero cold -4°C (24.8°F) during the night in the month of May.

Rainfall

In Uummannaq, in May, 10mm (0.39") of precipitation is typically accumulated. During the entire year, Uummannaq aggregates up to 198mm (7.8") of precipitation.

Sea temperature

In Uummannaq, the average seawater temperature in May is -0.6°C (30.9°F).
Note: During swimming, this scenario is excessively cold, hazardous, and can lead to fatality. Hypothermia ensues swiftly without suitable insulated waterproof wear.

Daylight

In May, the average length of the day is 8h and 4min.
Updated: Aug 31, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is May?
The high-temperature during May is 2°C (35.6°F) and the low-temperature is -4°C (24.8°F).
How much does it rain in May?
In Uummannaq, in May, 10mm (0.39") of precipitation is typically accumulated.
What is the water temperature in May?
In May, the average sea temperature is -0.6°C (30.9°F). For swimming, this is considered life-threatening and very dangerous. The water feels painfully cold, and hyperventilation quickly occurs. A specialized swimsuit is mandatory to reduce thermal damage.
What is the average length of the day in May?
In May, the average day length is 8h and 4min.
Today
Tomorrow
Long-term
YearJFMAMayJJASOND
Apr
May
Jun
Average high temperature
-8°C
2°C
8°C
Average low temperature
-14°C
-4°C
2°C
Average rainfall
13mm
10mm
8mm
Average sea temperature
-1.4°C
-0.6°C
2°C
Average daylight
16h 3min
8h 1min
0h 0min
Average temperature in May
Uummannaq, Greenland
  • Average high temperature in May: 2°C

The warmest month (with the highest average high temperature) is July (11°C).
The month with the lowest average high temperature is February (-12°C).

  • Average low temperature in May: -4°C

The months with the highest average low temperature are July and August (5°C).
The coldest months (with the lowest average low temperature) are February and March (-17°C).

Average rainfall in May
Uummannaq, Greenland
  • Average rainfall in May: 10mm

The wettest months (with the highest rainfall) are November and December (30mm).
The driest month (with the least rainfall) is June (8mm).

Average sea temperature in May
Uummannaq, Greenland
  • Average sea temperature in May: -0.6°C

The best month for swimming (with the highest average sea temperature) is September (3.3°C).
The coldest month (with the lowest average sea temperature) is February (-1.5°C).

Average daylight in May
Uummannaq, Greenland
  • Average daylight in May: 8h and 1min

The month with the longest days is August (Average daylight: 18h and 30min).
The months with the shortest days are June and December (Average daylight: 0h and 0min).

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