May weather forecast
Ilulissat, Greenland

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Weather in May

A remarkable departure from the frosty regime sets foot in Ilulissat as May ushers in. With the increasing daylight hours, there is a perceptible rise in temperature, reaching as high as 3°C (37.4°F). Although not completely free from cold, the city experiences a significant reduction in the intensity of the chill, as compared to the preceding months. Accompanied by frequent rain showers, May paves the way for summer’s entrance. Undeniably, May initiates a new chapter in the weather of Ilulissat as the arctic chill begins to recede.

Temperature

May in Ilulissat is characterized by a clear rise in the average high-temperature, escalating from April's freezing cold -5°C (23°F) to an icy 3°C (37.4°F). Ilulissat usually reports an average low-temperature of -3°C (26.6°F) during the month of May.

Rainfall

In Ilulissat, in May, during 7 rainfall days, 16mm (0.63") of precipitation is typically accumulated. Throughout the year, in Ilulissat, there are 96 rainfall days, and 244mm (9.61") of precipitation is accumulated.

Sea temperature

In May, the average sea temperature is -0.2°C (31.6°F).
Note: In the sphere of swimming, this is extremely cold and poses life-endangering hazards. Hypothermia can occur almost instantly in the absence of insulated waterproof wear.

Daylight

In Ilulissat, Greenland, the average length of the day in May is 12h and 34min.

Sunshine

In Ilulissat, the average sunshine in May is 9h.

UV index

The average daily maximum UV index in May is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum UV index, 3 during May, leads to the following recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
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Frequently asked questions

How cold is it in Ilulissat in May?

The high-temperature, in May, in Ilulissat, records 3°C (37.4°F), while the low-temperature is -3°C (26.6°F).

How many days does it rain in May in Ilulissat?

In Ilulissat, Greenland, in May, it is raining for 7 days, with typically 16mm (0.63") of accumulated precipitation.

What is the sea temperature in May in Ilulissat?

In Ilulissat, Greenland, in May, the average water temperature is -0.2°C (31.6°F). For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.

How many hours of daylight does Ilulissat have in May?

In Ilulissat, Greenland, the average day length in May is 12h and 34min.

How many hours of sunshine does Ilulissat have in May?

The average sunshine duration in May is 9h.

What is the UV index reading in May in Ilulissat?

In May, the average daily maximum UV index in Ilulissat, Greenland, is 3. A UV Index estimate of 3 to 5 represents a moderate health threat from unprotected exposure to UV radiation.
Average high temperature
Average rainfall days
Average daylight
Average sunshine
Average UV index

Average temperature in May
Ilulissat, Greenland

Average temperature in May - Ilulissat, Greenland
  • Average high temperature in May: 3°C

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

  • Average low temperature in May: -3°C

The month with the highest average low temperature is July (5°C).
The coldest month (with the lowest average low temperature) is March (-19°C).

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Average rainfall in May
Ilulissat, Greenland

Average rainfall in May - Ilulissat, Greenland
  • Average rainfall in May: 16mm

The wettest month (with the highest rainfall) is September (35mm).
The driest months (with the least rainfall) are January and March (12mm).

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Average rainfall days in May
Ilulissat, Greenland

Average rainfall days in May - Ilulissat, Greenland
  • Average rainfall days in May: 7 days

The months with the highest number of rainy days are March, April, September and November (9 days).
The months with the least rainy days are February, May, June and July (7 days).

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Average sea temperature in May
Ilulissat, Greenland

Average sea temperature in May - Ilulissat, Greenland
  • Average sea temperature in May: -0.2°C

The best month for swimming (with the highest average sea temperature) is September (3.4°C).
The coldest months (with the lowest average sea temperature) are February and March (-1.4°C).

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Average daylight in May /
Average sunshine in May
Ilulissat, Greenland

Average daylight in May / Average sunshine in May - Ilulissat, Greenland
  • Average daylight in May: 12h and 4min

The month with the longest days is August (Average daylight: 17h and 48min).
The months with the shortest days are June and December (Average daylight: 0h and 0min).

  • Average sunshine in May: 9h

The month with the most sunshine is June (Average sunshine: 10h).
The months with the least sunshine are January and December (Average sunshine: 0h).

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Average UV index in May
Ilulissat, Greenland

Average UV index in May - Ilulissat, Greenland
  • Average UV index in May: 3

The month with the highest UV index is June (UV index 4).
The months with the lowest UV index are January, February, October, November and December (UV index 0).

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Ilulissat, Greenland

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