Monthly weather forecast and climate
Longyearbyen, Svalbard and Jan Mayen

The frozen Arctic Blue Sea overlooking the snow-covered mountains in the background in Longyearbyen, Svalbard, and Jan Mayen
The frozen Arctic Blue Sea overlooking the snow-covered mountains in the background in Longyearbyen, Svalbard, and Jan Mayen
January, the same as December, is another frigid cold winter month in Longyearbyen, Svalbard and Jan Mayen, with temperature in the range of an average high of -13°C (8.6°F) and an average low of -20°C (-4°F). The coldest months are January through March, with an average high-temperature of -13°C (8.6°F). Weather in January »

The last month of the winter, February, is another extremely cold month in Longyearbyen, Svalbard and Jan Mayen, with temperature in the range of an average low of -21°C (-5.8°F) and an average high of -13°C (8.6°F). The coldest months are January through March, with an average high-temperature of -13°C (8.6°F). Weather in February »

The first month of the spring, March, is still an extremely cold month in Longyearbyen, Svalbard and Jan Mayen, with average temperature ranging between max -13°C (8.6°F) and min -20°C (-4°F). The coldest months are January through March, with an average high-temperature of -13°C (8.6°F). Weather in March »

April is a freezing cold spring month in Longyearbyen, Svalbard and Jan Mayen, with average temperature fluctuating between -16°C (3.2°F) and -9°C (15.8°F). In April, the average high-temperature slightly increases, from a frigid cold -13°C (8.6°F) in March, to a freezing cold -9°C (15.8°F). Weather in April »

May, the last month of the spring, in Longyearbyen, is another freezing cold month, with average temperature fluctuating between -3°C (26.6°F) and -7°C (19.4°F). In May, the average high-temperature rises, from a subzero cold -9°C (15.8°F) in April, to a still freezing cold -3°C (26.6°F). Weather in May »

June, the first month of the summer, in Longyearbyen, is a cold month, with average temperature varying between 3°C (37.4°F) and -1°C (30.2°F). In June, the average high-temperature rises, from a freezing cold -3°C (26.6°F) in May, to a cold 3°C (37.4°F). Weather in June »

July is a chilly summer month in Longyearbyen, Svalbard and Jan Mayen, with average temperature fluctuating between 7°C (44.6°F) and 3°C (37.4°F). With an average high-temperature of 7°C (44.6°F) and an average low-temperature of 3°C (37.4°F), July is the warmest month. Weather in July »

The last month of the summer, August, is also a frosty month in Longyearbyen, Svalbard and Jan Mayen, with average temperature ranging between min 2°C (35.6°F) and max 6°C (42.8°F). In Longyearbyen, the average high-temperature in August is almost the same as in July - a still chilly 6°C (42.8°F). Weather in August »

The first month of the autumn, September, is also a wintry month in Longyearbyen, Svalbard and Jan Mayen, with average temperature fluctuating between -3°C (26.6°F) and 1°C (33.8°F). In Longyearbyen, the average high-temperature drops, from a frosty 6°C (42.8°F) in August, to a cold 1°C (33.8°F). Weather in September »

October, like September, is a freezing cold autumn month in Longyearbyen, Svalbard and Jan Mayen, with temperature in the range of an average low of -9°C (15.8°F) and an average high of -4°C (24.8°F). In Longyearbyen, Svalbard and Jan Mayen, the average high-temperature drops, from a wintry 1°C (33.8°F) in September, to a freezing cold -4°C (24.8°F). Weather in October »

The last month of the autumn, November, is another freezing cold month in Longyearbyen, Svalbard and Jan Mayen, with average temperature varying between -8°C (17.6°F) and -14°C (6.8°F). In November, the average high-temperature slightly decreases, from -4°C (24.8°F) in October, to a still freezing cold -8°C (17.6°F). Weather in November »

December, the first month of the winter, in Longyearbyen, is also a frigid cold month, with average temperature fluctuating between -11°C (12.2°F) and -18°C (-0.4°F). In December, the average high-temperature marginally drops, from a subzero cold -8°C (17.6°F) in November, to an extremely cold -11°C (12.2°F). Weather in December »

What is the coldest month in Longyearbyen?

The coldest months in Longyearbyen, Svalbard and Jan Mayen, are January through March, with an average high-temperature of -13°C (8.6°F).

How many days does it rain in Longyearbyen?

In Longyearbyen, during the entire year, the rain falls for 86 days and collects up to 271mm (10.67") of precipitation.

When does it snow in Longyearbyen?

January through December are months with snowfall.

How many days does it snow in Longyearbyen?

In Longyearbyen, during the entire year, snow falls for 176 days.

What is the month with the shortest days in Longyearbyen?

January, November and December, with an average of 0h of daylight, are months with the shortest days in Longyearbyen.

What is the month with the least sunshine in Longyearbyen?

January, February, November and December, with an average of 0h of sunshine, are months with the least sunshine.

When is the lowest UV index in Longyearbyen?

January through March, October through December, with an average maximum UV index of 0, are months with the lowest UV index.

What months are the sea coldest in Longyearbyen?

February and April, with an average sea temperature of 1°C (33.8°F), are months with the coldest seawater.

What is the driest month in Longyearbyen?

The month with the least rainfall is May when the rain falls for 4 days and typically collects 13mm (0.51") of precipitation.

When are the longest days in Longyearbyen?

May through July, with an average of 24h of daylight, are months with the longest days.

What month has the most sunshine in Longyearbyen?

With an average of 8.2h of sunshine, May has the most sunshine of the year.

When is the highest UV index in Longyearbyen?

May through July, with an average maximum UV index of 2, are months with the highest UV index in Longyearbyen, Svalbard and Jan Mayen.

What is the warmest month in Longyearbyen?

With an average high-temperature of 7°C (44.6°F) and an average low-temperature of 3°C (37.4°F), July is the warmest month in Longyearbyen, Svalbard and Jan Mayen.

When it does not snow in Longyearbyen?

Month with the least snowfall days in Longyearbyen is July when snow falls for 1 days.

What is the rainiest month in Longyearbyen?

The month with the most rainfall is August when the rain falls for 18 days and typically aggregates up to 30mm (1.18") of precipitation.

What is the month with the warmest sea water in Longyearbyen?

August is the month with the warmest seawater, with an average sea temperature of 6°C (42.8°F).

What is the snowiest month in Longyearbyen?

Months with the most snowfall days are November and December, with an average of 22 snowfall days.
Average rainfall - Longyearbyen, Svalbard and Jan Mayen
Average rainfall days - Longyearbyen, Svalbard and Jan Mayen
Average snowfall days - Longyearbyen, Svalbard and Jan Mayen
Average sea temperature - Longyearbyen, Svalbard and Jan Mayen
Average daylight / Average sunshine - Longyearbyen, Svalbard and Jan Mayen

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

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

Average UV index - Longyearbyen, Svalbard and Jan Mayen

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).