August weather forecast
Svalbard and Jan Mayen

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Flag of Svalbard and Jan Mayen
Flag of Svalbard and Jan Mayen

Weather in August

August in Svalbard and Jan Mayen signifies the onset of the brief Arctic autumn. Temperatures begin to descend from their summer peak, and daylight hours start to decrease, albeit remaining lengthy due to the receding Midnight Sun.

In Svalbard, August's average temperatures range between 3°C (37.4°F) and 7°C (44.6°F). The capital, Longyearbyen, experiences these cooling conditions, which signal the onset of the territory's transition from summer to winter. The vibrant wildlife activity of the summer months begins to slow, with migratory birds preparing to leave and marine animals retreating with the advancing sea ice.

In Jan Mayen, August brings average temperatures of about 4°C (39.2°F) to 6°C (42.8°F). The Midnight Sun begins to wane, reducing daylight hours, yet the days remain long. The Norwegian military base on the island, along with the surrounding landscape, experiences similar weather conditions, which inform the rhythms of daily life and ongoing research activities.

Precipitation in both Svalbard and Jan Mayen during August remains moderate. It typically falls as rain, although as temperatures begin to drop towards the end of the month, snow becomes increasingly common.

Compared to July, August brings slightly cooler temperatures and a reduction in daylight hours. As the territories move into September, this trend accelerates, with temperatures continuing to fall and daylight hours decreasing significantly, marking the imminent return of the Polar Night period. Despite these changes, visitors should remain prepared for changeable conditions and the potential for sudden cold weather.

  • Longyearbyen - August »
    The month with the most rainfall in Longyearbyen is August, when the rain falls for 18 days and typically aggregates up to 30mm (1.18") of precipitation. On the last day of August, sunrise is at 03:33 and sunset at 22:22 CEST.
  • Barentsburg - August »
    In Barentsburg during August, the rain falls for 16 days and regularly aggregates up to 35mm (1.38") of precipitation. In Barentsburg, during August, the rain falls for 16 days and regularly aggregates up to 35mm (1.38") of precipitation.
  • Olonkin City - August »
    In Olonkin City during August, the rain falls for 16 days and regularly aggregates up to 68mm (2.68") of precipitation. The temperature in Olonkin City, Svalbard and Jan Mayen, hits its peak in July and August, recording an average high-temperature of 5°C (41°F).
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Svalbard and Jan Mayen

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