Weather Insights
Original reporting built from observation archives. Every report states its method and period and publishes the figures it quotes as a CSV you can check, reuse and cite.
Heat
Summer 2026 in 32 European cities: how far above normal the heat ran
We compared every day from June to August with the long-run normal in 32 European cities. Rome and Paris ran more than 3 °C above it; Helsinki, Warsaw and Kyiv had an ordinary summer.
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Climate data
The past 12 months in 87 cities: 74 ran warmer than normal, French cities furthest of all
From September 2025 to September 2026, 74 of 86 big cities ran warmer than normal. Anomalies by city and month, extremes and data for 87 cities.
Heat
The June 2026 heatwave in numbers: how 40 °C crossed Europe in a week
When the late-June 2026 heatwave peaked in 56 European cities, how hot it got and where it reached 40 °C, day by day — cross-checked in two datasets.
Heat
France’s summer 2026 in 25 cities: hot days, tropical nights and 40 °C peaks
How hot was summer 2026 in France? Anomalies, days above 30 °C and 35 °C, tropical nights and peaks for 25 French cities, cross-checked with ERA5.
Cold
Winter 2025–26 in 72 cities: a mild west, and a north-east that ran nearly 3 °C colder than normal
Which cities had a cold winter in 2025–26? Anomalies, frost days, ice days and the lowest temperatures in 72 cities across Europe, North America and Asia.