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Frost Descent | Cold water first turns to frost, as autumn's lingering charm deepens.

Release time:

2025-10-23

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Summary:

Frost Descent is the 18th of the 24 solar terms, marking the last seasonal transition of autumn—and the gateway from autumn into winter.

At this time of year, cold air activity is becoming increasingly frequent. During the day, thanks to the warming influence of sunlight, you can still feel the lingering warmth of late autumn. However, as soon as the sun sets and radiative cooling intensifies, temperatures plunge rapidly—often dropping by more than 10°C between day and night. It's especially important during these days to protect your knees and lower limbs, and to dress warmly to avoid catching a cold.