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Norway Has Never Been This Hot: Another Warmth Record Broken
Dividalen in Troms turned out to be one of the driest stations in October, with precipitation 33 percent lower than usual. Fot. Vilde Jagland, Meteorologisk Institutt
October in Norway ended almost two degrees above average, marking the 18th consecutive month with higher-than-normal temperatures. This is the longest such period in the history of Norwegian measurements, which date back to 1901. The previous record was 15 months, recorded between February 2014 and April 2015.
According to data from the Meteorological Institute, October 2025 was the eighth warmest month in recorded history. The average temperature deviation ranged from three degrees above normal in the regions of Møre og Romsdal, Nordland, and Finnmark, to about half a degree in Vestland, Innlandet, and Østfold.
Climatologist Jostein Mamen emphasizes that autumn in Norway is becoming increasingly warmer, and the human impact on these changes is clear. At the same time, Dividalen in Troms recorded one of the driest Octobers – precipitation was 33 percent lower than usual.
Climatologist Jostein Mamen emphasizes that autumn in Norway is becoming increasingly warmer, and the human impact on these changes is clear. At the same time, Dividalen in Troms recorded one of the driest Octobers – precipitation was 33 percent lower than usual.
A map of Norway shows temperature deviations above normal. Orange indicates the largest deviation, while light yellow indicates the smallest.Ill. Meteorologisk Institutt
New Temperature Records and a Longer Summer
Heat records were mainly broken in the south of the country. Eleven meteorological stations recorded the highest average October temperatures, and seven stations saw the highest maximum values. The warmest day of the month was October 11, when thermometers in Landvik in Grimstad showed 20.2 degrees.
New records were also set in Lindesnes, Mandal, and at six stations on Svalbard. According to Jostein Mamen, typically summer-like temperatures are increasingly lasting into October, meaning the Norwegian autumn is shifting later and becoming milder.
New records were also set in Lindesnes, Mandal, and at six stations on Svalbard. According to Jostein Mamen, typically summer-like temperatures are increasingly lasting into October, meaning the Norwegian autumn is shifting later and becoming milder.
Extreme Weather Events During Hurricane Amy
At the beginning of October, Norway was hit by Hurricane Amy, bringing strong winds and heavy rainfall to the southern regions of the country. The strongest gust – 62.4 m/s – was recorded at the Mannen station in Møre og Romsdal, and Bergen saw a record October wind speed of 36.6 m/s.
The highest daily rainfall was 90.9 mm, recorded in Fyriegg in Telemark. In total, 24 meteorological stations set new records for daily precipitation sums.
The highest daily rainfall was 90.9 mm, recorded in Fyriegg in Telemark. In total, 24 meteorological stations set new records for daily precipitation sums.
A map showing the temperature in Norway in October according to classification.Ill. Meteorologisk Institutt
More Rain in the South, Drought in the North
Nationwide, October was 20 percent wetter than the average of previous years. The month ranked as the 25th wettest October in the history of Norwegian measurements. In the regions of Trøndelag, Vestfold, and Akershus, rainfall was 110 to 160 percent higher than usual, and locally even up to 260 percent of the norm.
The most precipitation was recorded in Lurøy (445.6 mm), and the least in Dividalen II (26.2 mm). In western Norway, especially in Vestland, some stations recorded 55–60 percent less rainfall. These data show increasing climate differences between regions of the country and growing weather variability in Norway.
The most precipitation was recorded in Lurøy (445.6 mm), and the least in Dividalen II (26.2 mm). In western Norway, especially in Vestland, some stations recorded 55–60 percent less rainfall. These data show increasing climate differences between regions of the country and growing weather variability in Norway.
A map showing the amount of precipitation in Norway in October, classified.Ill. Meteorologisk Institutt
Both record temperatures and extreme weather events indicate accelerating climate change in Norway. Increasingly long periods of warmth, combined with intense rainfall and strong winds, are becoming the new norm. The Meteorological Institute announces continued monitoring of trends that may affect the environment, economy, and daily life of the country's residents.
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