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Iceland |
July 2025 tied with 1933 as Iceland’s warmest July on record, with northeast and east regions averaging up to 14.2 °C and widespread 20 °C days across the country.
AI Comment from GPT 5:
Iceland’s July 2025 matched the record warmth first set in 1933, with a national average of 12 °C and the northeast and east leading at 14.2 °C; many sites saw widespread 20 °C heat mid-month, while a few inland stations still dipped below freezing at night, and sunshine contrasted sharply between Akureyri (well above average) and Reykjavík (notably below).
The related posts show this warmth was part of a broader northern Fennoscandian heat episode. Finnish Lapland reported exceptional persistence and intensity, with Ylitornio above 27 °C for 26 straight days and at least one Finnish station topping 30 °C for 22 consecutive days, as summarized by the Finnish Meteorological Institute in FMI: July was exceptionally warm, especially in Finnish Lapland, and Rovaniemi exceeding 30 °C during the same spell in Santa is sweating! Heatwave in Finnish Lapland makes international headlines. Northern Sweden experienced similarly prolonged heat, with Haparanda logging a record 14 consecutive days above 25 °C in Historic Heatwave in Norrbotten. Within Iceland, the new July record aligns with recent warm anomalies documented in earlier years—such as the warmest July in Reykjavík in 2019 in Warmest ever July in Reykjavík and exceptionally warm July conditions in North and East Iceland in 2021 in Warmest July on record in north and east. The contrast between July warmth and episodic cold snaps or storm-driven extremes seen in Record Temperatures Mark Warm November underscores how Iceland can swing quickly between very warm and cold conditions, even as monthly averages set new highs.
Observations From Members 