May weather forecast and climate
Longyearbyen, Svalbard and Jan Mayen

The frozen Arctic Blue Sea overlooking the snow covered mountains in the background, on a sunny winter morning, in Longyearbyen, Svalbard and Jan Mayen
The frozen Arctic Blue Sea overlooking the snow covered mountains in the background, on a sunny winter morning, in Longyearbyen, Svalbard and Jan Mayen

What is the temperature in May in Longyearbyen?

In May, the average high-temperature is -3°C (26.6°F), and the average low-temperature is -7°C (19.4°F).

How many days does it rain in May in Longyearbyen?

In May, in Longyearbyen, the rain falls for 4 days. Throughout May, 13mm (0.5") of precipitation is accumulated.

How many days does it snow in May in Longyearbyen?

In May, snow falls for 16 days.

What is the water temperature in May in Longyearbyen?

In May, in Longyearbyen, Svalbard and Jan Mayen, the average sea temperature is 2°C (35.6°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.
Average temperature in May - Longyearbyen, Svalbard and Jan Mayen
  • Average high temperature in May: -3°C

The warmest month (with the highest average high temperature) is July (7°C).
Months with the lowest average high temperature are January, February and March (-13°C).

  • Average low temperature in May: -7°C

The month with the highest average low temperature is July (3°C).
The coldest month (with the lowest average low temperature) is February (-21°C).

Average rainfall in May - Longyearbyen, Svalbard and Jan Mayen
  • Average rainfall in May: 13mm

The wettest month (with the highest rainfall) is August (30mm).
The driest month (with the lowest rainfall) is May (13mm).

Average rainfall days in May - Longyearbyen, Svalbard and Jan Mayen
  • Average rainfall days in May: 4 days

The month with the highest number of rainy days is August (18 days).
Months with the lowest number of rainy days are January, February and March (2 days).

Average snowfall days in May - Longyearbyen, Svalbard and Jan Mayen
  • Average snowfall days in May: 16 days

Months with the highest number of snowfall days are November and December (22 days).
The month with the lowest number of snowfall days is July (1 days).

Average sea temperature in May - Longyearbyen, Svalbard and Jan Mayen
  • Average sea temperature in May: 2°C

The best month for swimming (with the highest average sea temperature) is August (6°C).
Coldest months (with the lowest average sea temperature) are February and April (1°C).

Average daylight in May / Average sunshine in May - Longyearbyen, Svalbard and Jan Mayen
  • Average daylight in May: 24h

Months with the longest days are May, June and July (Average daylight: 24h).
Months with shortest days are January, November and December (Average daylight: 0h).

  • Average sunshine in May: 8.2h

The month with most sunshine is May (Average sunshine: 8.2h).
Months with least sunshine are January, February, November and December (Average sunshine: 0).

Average UV index in May - Longyearbyen, Svalbard and Jan Mayen
  • Average UV index in May: 2

Months with the highest UV index are May, June and July (UV index 2).
Months with the lowest UV index are January, February, March, October, November and December (UV index 0).

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