Longyearbyen
Svalbard and Jan Mayen
Long-term weather forecast
Long-term weather forecast

June 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

Rainfall

In Longyearbyen, Svalbard and Jan Mayen, during June, the rain falls for 13 days and regularly aggregates up to 18mm (0.71") of precipitation. In Longyearbyen, during the entire year, the rain falls for 86 days and collects up to 271mm (10.67") of precipitation.

Snowfall

January through December are months with snowfall in Longyearbyen. In Longyearbyen, during June, snow falls for 7 days. In Longyearbyen, during the entire year, snow falls for 176 days.

Sea temperature

In June, the average sea temperature in Longyearbyen is 3°C (37.4°F).
Note: 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.

Daylight

May through July, with an average of 24h of daylight, are months with the longest days in Longyearbyen, Svalbard and Jan Mayen.

Sunshine

The average sunshine in Longyearbyen is 5.5h.

UV index

Months with the highest UV index in Longyearbyen are May through July, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to the UV radiation for average individuals.
Note: The average daily UV index of 2 in June transform into the following instructions:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

How much does it rain in Longyearbyen in June?

In Longyearbyen, in June, it is raining for 13 days, with typically 18mm (0.71") of accumulated precipitation.

How many days does it snow in June in Longyearbyen?

In June, snow falls for 7 days.

How cold is the water in June in Longyearbyen?

In Longyearbyen, the average seawater temperature in June is 3°C (37.4°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.

When are the longest days in Longyearbyen?

Months with the longest days in Longyearbyen, Svalbard and Jan Mayen, are May through July, with an average of 24h of daylight.

What is the average length of the day in June in Longyearbyen?

In June, the average length of the day in Longyearbyen, Svalbard and Jan Mayen, is 24h.

How long on average sun shines in June in Longyearbyen?

In Longyearbyen, Svalbard and Jan Mayen, the average sunshine in June is 5.5h.

What are the months with the highest UV index in Longyearbyen?

Months with the highest UV index are May through July, with an average maximum UV index of 2.

What is the UV index intensity in June in Longyearbyen?

The average daily maximum UV index in June in Longyearbyen is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to the Sun's UV rays.
Average rainfall in June - Longyearbyen, Svalbard and Jan Mayen
  • Average rainfall in June: 18mm

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

Average rainfall days in June - Longyearbyen, Svalbard and Jan Mayen
  • Average rainfall days in June: 13 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 June - Longyearbyen, Svalbard and Jan Mayen
  • Average snowfall days in June: 7 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 June - Longyearbyen, Svalbard and Jan Mayen
  • Average sea temperature in June: 3°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 June / Average sunshine in June - Longyearbyen, Svalbard and Jan Mayen
  • Average daylight in June: 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 June: 5.5h

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 June - Longyearbyen, Svalbard and Jan Mayen
  • Average UV index in June: 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).