Traditional Culture Encyclopedia - Weather inquiry - When is the hottest and coldest month of the year?

When is the hottest and coldest month of the year?

January means the beginning of a new year. 20 17 years 1 month, there is another keyword-"reunion".

The dog days are the hottest days of the year. "Three volts" is the general name of the initial, middle and final volts, which appears from mid-July to mid-August in the solar calendar every year.