When was the first frost in 2023?

The first frost in 2023 is 65438+1October 24th.

The first frost is the eighteenth of the twenty-four solar terms and the last solar term in autumn. Its arrival marks the end of autumn and the beginning of winter. The first frost in 2023 is on the Gregorian calendar 101October 24th.

The name of the first frost solar term comes from the change of weather. During this period, the temperature will gradually decrease, the temperature difference between morning and evening will increase, and the water vapor in the air will condense into frost on the ground or plants. This is called the first frost.

The first frost is a very important solar term in agriculture. Now is the key period of autumn harvest and autumn planting, and farmers will finish harvesting and sowing during this time. At the same time, the arrival of the first frost also means the coming of winter, and farmers need to do a good job of cold protection and warmth of crops to ensure a bumper harvest next year.

Characteristics of the first frost:

1. Temperature drop: In the first frost, the direct point of the sun continued to move southward, and the daytime time in the northern hemisphere gradually shortened, and the night time gradually prolonged, and the temperature also decreased.

2. Dew turns to frost: the name of the first frost comes from a remarkable phenomenon in this period, that is, when the dew temperature drops to freezing point at night, it will turn into white crystals, which is called the first frost.

3. Autumn harvest and autumn planting: The first frost is the key period for autumn harvest and autumn planting. Farmers will finish harvesting and sowing during this period to prepare for agricultural production in the coming year.

4. Natural changes: During the first frost, a series of changes will take place in nature. For example, leaves will turn yellow and fall off, animals will start to hibernate, and insects will look for warm places to avoid the cold.

Baidu Encyclopedia-First Frost