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Sweden Braces for Late-Summer Heatwave Following Storm Floris
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Following the passage of storm Floris earlier this week, Sweden is poised to experience a significant warm-up, with temperatures potentially reaching 30ยฐC (86ยฐF) in southern regions next week, according to Storm Geo meteorologist Per Holmberg. This comes after a period of unsettled weather across much of the country.

A deck chair signals the potential for warmer weather ahead.
Photo: Hasse Holmberg / TT News Agency
Storm Floris impacted Sweden earlier this week, bringing strong winds to several areas. The Swedish Meteorological and Hydrological Institute (SMHI) reported wind gusts exceeding 25 m/s (56 mph) in coastal regions of skรฅne and Halland on August 7th. Despite the recent storm, the weather pattern is shifting.
Per Holmberg of Storm Geo indicates that the coming days will remain unstable, with rain areas moving in from the southwest and continuing into the weekend. Though, a high-pressure system is expected to build early next week, ushering in sunny and warmer conditions.
Regional Temperature Outlook
The anticipated heat is primarily focused on Gรถtaland, with a possibility of extending into parts of Svealand. Temperatures could reach 25ยฐC (77ยฐF) and potentially climb to 30ยฐC (86ยฐF). Northern Sweden is also expected to see sunny spells, but temperatures will likely remain lower than in the south.
While this heatwave offers a welcome respite, meteorologists do not anticipate a prolonged period of high summer temperatures comparable to those experienced in july. Following the warm spell, a more unstable pattern is expected to return, with rainfall areas moving across the country from the west.
Longer-Term Forecast & Seasonal Trends
Despite the return to unsettled weather, per Holmberg suggests that summer is not yet over. Temperatures above 20ยฐC (68ยฐF) and even 25ยฐC (77ยฐF) are still possible in September, although temperatures exceeding 30ยฐC (86ยฐF) become less common towards the end of August. Sweden’s average temperature for August is 17.6ยฐC (63.7ยฐF), according to SMHI data.
The recent fluctuations in weather highlight the increasing variability associated with climate change, impacting seasonal patterns and increasing the likelihood of both extreme weather events like Storm Floris and unexpected warm spells.