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Has the climate in Interlaken changed?
Interlaken has warmed about 2.9°F between 1991 and 2023.
About 0.9°F per decade, measured from Interlaken's official daily weather records, 1991–2023. Individual years still bounce around — some recent ones came in cool — but the long-term line has clearly risen.
What has actually changed
Each card compares the 1970s (the first ten years of the record) with recent years (the last ten) — the same span the headline and the chart use.
Interlaken's temperature, year by year
Average temperature for each year from 1991 to 2023.
Each bar is one year. Most recent years sit above the older ones. Some recent years still came in cool — warming is a slope, not a straight climb.
Methodology & sources
Temperature — the official 1991–2020 climate normals from a national meteorological service, measured at Interlaken, about 1 km from the city centre.