Ilulissat
Greenland
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Ilulissat, Greenland

May, the last month of the spring, in Ilulissat, is a wintry month, with average temperature ranging between max 3°C (37.4°F) and min -3°C (26.6°F).

Temperature

In May, the average high-temperature increases considerably, from a freezing cold -5°C (23°F) in April, to a cold 3°C (37.4°F). In Ilulissat, in May, the average low-temperature is -3°C (26.6°F).

Rainfall

In May, the rain falls for 7 days. Throughout May, 16mm (0.6") of precipitation is accumulated. Throughout the year, in Ilulissat, Greenland, there are 96 rainfall days, and 244mm (9.6") of precipitation is accumulated.

Sea temperature

In Ilulissat, Greenland, in May, the average water temperature is -0.2°C (31.6°F).
Note: For swimming, this is considered very dangerous and immediately life-threatening. Total loss of breathing control instantly occurs, and clear thinking becomes almost impossible. A specialized swimsuit is obligatory to minimize thermal loss.

Daylight

The average length of the day in May is 21.9h.

Sunshine

The average sunshine is 9h.

UV index

In Ilulissat, the average daily maximum UV index in May is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to the UV radiation for average individuals.
Note: The daily maximum UV index of 3 in May interpret into the following advice:
Take precautions - Protection against the skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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.

What is the temperature in May in Ilulissat?

In Ilulissat, Greenland, in May, the average high-temperature is 3°C (37.4°F), and the average low-temperature is -3°C (26.6°F).

How much does it rain in Ilulissat in May?

In Ilulissat, in May, during 7 rainfall days, 16mm (0.6") of precipitation is typically accumulated.

How cold is the water in May in Ilulissat?

In Ilulissat, the average seawater temperature in May is -0.2°C (31.6°F). For swimming, this is considered very dangerous and immediately life-threatening. Total loss of breathing control instantly occurs, and clear thinking becomes almost impossible. A specialized swimsuit is obligatory to minimize thermal loss.

How many hours of daylight does Ilulissat have in May?

In May, the average length of the day is 21.9h.

How many hours of sunshine does Ilulissat have in May?

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

What is the UV index reading in May in Ilulissat?

The average daily maximum UV index in May in Ilulissat is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health from the exposure to the Sun's UV rays.
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).

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

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

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

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

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).
Coldest months (with the lowest average sea temperature) are February and March (-1.4°C).

Average daylight in May / Average sunshine in May - Ilulissat, Greenland
  • Average daylight in May: 21.9h

The month with the longest days is June (Average daylight: 24h).
The month with shortest days is December (Average daylight: 0h).

  • Average sunshine in May: 9h

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

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).
Months with the lowest UV index are January, February, October, November and December (UV index 0).