Guyu "the valley", every year in April 20th or 21, the sun reaches 30 degrees for rain. "On seventy-two designate variorum" said, "in March, after the rain, the soil paste pulsation, today and its valley in the rain water...... In this case seeding, from bottom to top ", hence the name. Grain rain season, the South "poplar fall cuckoo cry", liuxufei falls, the cuckoo crying, Peony Blossoming azaiea, Cherry ripe, the natural scenery tells us: it is the late spring. At this time, the temperature increases rapidly, usually in late April average temperature, in addition to the north and west of Southern China area, has reached 20 to 22 DEG C higher than 2 DEG C, mid. In eastern Southern China, often have one or two days of high temperature of more than 30, people began to have hot feeling. The low altitude Valley industry to enter the summer.
谷雨是春季的最后一个节气，这时田中的'秧苗初插、作物新种，最需要雨水的滋润，所以说“春雨贵如油”。这时，我国南方大部分地区东部这时雨水较丰，常年4月下旬雨量约30至50毫米，每年第一场大雨一般出现在这段时间，对水稻栽插和玉米、棉花苗期生长有利。但是华南其余地区雨水大多不到30毫米，需要采取灌溉措施，减轻干旱影响。西北高原山地，仍处于干季，降水量一般仅5至20毫米。华南谷雨前后的降雨，常常“随风潜入夜，润物细无声”，这是因为“巴山夜雨”以4、5月份出现机会最多。“蜀天常夜雨，江槛已朝清”，这种夜雨昼晴天气，对大春作物生长和小春作物收获是颇为适宜的。
Grain rain last spring throttle, then Tanaka plug seedlings early crop of new species, most need the rain, so that the spring precious as oil". At this time, most parts of South China in the east when the rainfall is abundant, the annual rainfall in late April, about 30 to 50 mm per year, the first heavy rain appeared in this period of time, planting rice and corn and cotton seedling growth. But the rest of Southern China are mostly less than 30 mm, irrigation need to take measures to mitigate the effects of drought. The plateau of the northwest of the mountain, still in the dry season, precipitation is generally only 5 to 20 mm. Southern China Guyu before and after the rainfall, often "wind sneaked into the night, moisten things silently", this is because the evening rain appears most frequently in 4 and May. Chang Shu day rain, the river toward the threshold has been cleared, the rain day sunny weather in spring and early spring crop harvest is quite appropriate.
谷雨节的天气谚语大部分围绕有雨无雨这个中心，如“谷雨阴沉沉，立夏雨淋淋”、“谷雨下雨，四十五日无干土”等等。
Guyu Festival weather proverbs most rain no rain around this center, such as "rain cloudy, Li Xia Yu," and "rain rain, forty-five days no soil" and so on.
还有谷雨节气如气温偏高，阴雨频繁，会使三麦病虫害发生和流行。广大农村要根据天气变化，搞好三麦病虫害防治。
Such as high temperature and the grain rain, rain frequent, will make three wheat diseases and pests occurrence and epidemic. The vast rural areas according to the changes in the weather, do a good job in the three wheat diseases and pests control.