Spring lasts from April 1st to June 4th, a total of 65 days; Spring is usuallydry and windy, sometimes even experiencing sandstorms. Summer lasts fromJune 5th to September 7th, 95 days in all. Summer is hot but has more rainydays. The hottest days are in July and the temperature sometimes reaches 40degrees Celsius. Autumn lasts from September 8th to October 22rid, a mere 45days. Autumn has a pleasant climate although it only lasts a short time. Winterlasts from October 23rd to the next March 31st, a total of 160 days. Winter is thelongest season with clear but cold weather. The coldest days are in January with amean temperature at minus 4.6 degrees centigrade.
In a word, you can visit Beijing every day but it is better to visit Beijing from March to October. The best time of the year is in August, September and October,which is the golden season for touring Beijing.