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

August 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
August, the last month of the summer, in Longyearbyen, is another chilly month, with temperature in the range of an average high of 6°C (42.8°F) and an average low of 2°C (35.6°F).

Temperature

In August, the average high-temperature is essentially the same as in July - a still frosty 6°C (42.8°F). In Longyearbyen, in August, the average low-temperature is 2°C (35.6°F).

Rainfall

August is the month with the most rainfall in Longyearbyen, Svalbard and Jan Mayen. Rain falls for 18 days and accumulates 30mm (1.2") of precipitation.

Snowfall

Months with snowfall are January through December.

Sea temperature

The month with the warmest seawater is August, with an average sea temperature of 6°C (42.8°F). Swimming in 6°C (42.8°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

The average length of the day in August is 23.2h.

Sunshine

The average sunshine in August is 4.3h.

UV index

In Longyearbyen, the average daily maximum UV index is 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to the Sun's UV rays for average individuals.
The average daily UV index of 1 in August 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 solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the temperature in August in Longyearbyen?

In August, in Longyearbyen, the average high-temperature is 6°C (42.8°F), and the average low-temperature is 2°C (35.6°F).

How much does it rain in Longyearbyen in August?

In Longyearbyen, Svalbard and Jan Mayen, during August, the rain falls for 18 days and regularly aggregates up to 30mm (1.2") of precipitation.

What is the wettest month in Longyearbyen?

August is the month with the most rainfall. Rain falls for 18 days and accumulates 30mm (1.2") of precipitation.

How many days does it snow in August in Longyearbyen?

In Longyearbyen, during August, snow falls for 2 days.

What month is the sea warmest in Longyearbyen?

August is the month with the warmest seawater in Longyearbyen, with an average sea temperature of 6°C (42.8°F). Swimming in 6°C (42.8°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

What is the water temperature in August in Longyearbyen?

In Longyearbyen, in August, the average water temperature is 6°C (42.8°F). Swimming in 6°C (42.8°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

How many hours of daylight does Longyearbyen have in August?

In Longyearbyen, the average length of the day in August is 23.2h.

How long on average sun shines in August in Longyearbyen?

In August, the average sunshine in Longyearbyen, Svalbard and Jan Mayen, is 4.3h.

How high is the UV index in August in Longyearbyen?

In Longyearbyen, Svalbard and Jan Mayen, the average daily maximum UV index in August is 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from the exposure to the Sun's UV radiation.
Average temperature in August - Longyearbyen, Svalbard and Jan Mayen
  • Average high temperature in August: 6°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 August: 2°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 August - Longyearbyen, Svalbard and Jan Mayen
  • Average rainfall in August: 30mm

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

Average rainfall days in August - Longyearbyen, Svalbard and Jan Mayen
  • Average rainfall days in August: 18 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 August - Longyearbyen, Svalbard and Jan Mayen
  • Average snowfall days in August: 2 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 August - Longyearbyen, Svalbard and Jan Mayen
  • Average sea temperature in August: 6°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 August / Average sunshine in August - Longyearbyen, Svalbard and Jan Mayen
  • Average daylight in August: 23.2h

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 August: 4.3h

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 August - Longyearbyen, Svalbard and Jan Mayen
  • Average UV index in August: 1

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).