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2025 Compared to Previous Century

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January 2025 Compared to January Months from 1924 to 2024

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Frosty Days Per Year in Europe

Not sure what the source is, but it is useful data anyway. Here comes the number of days with temperatures below 0 per year.

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Minimum Temperatures Across Europe

Most of Europe at least.

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December 2024 Compared to December Months from 1923 to 2023

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November 2024 Compared to November Months from 1923 to 2023

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October 2024 compared to October from 1923 to 2023

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What is "Indian summer"?

What is “Indian summer” and when does it happen? Mid-autumn is the time for the “return of summer”. Though all of us understand pretty well that a couple of warm and sunny autumn weeks will soon be replaced by the first frost, we continue calling this short period as summer.

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Astronomical Autumn vs. Meteorological Autumn

Meteorological Autumn and Astronomical Autumn are two different ways of defining the seasons: Meteorological Autumn: Meteorological seasons are based on the calendar months and are primarily used by meteorologists and climatologists for consistent and simplified record-keeping and forecasting. In the meteorological definition, autumn is considered to be the three calendar months of September, October, and November in the Northern Hemisphere, and March, April, and May in the Southern Hemisphere.

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August 2024 compared to Augusts from 1923 to 2023