Clacton-on-Sea and relatively dry summers (which also enhances the towns popularity as a sea-side town), but also fairly chilly winter days. For the 1961–1990 observation period, Clacton averaged 103.7 days with at least 1mm of rain annually, and just 24.3 air frosts a year- comparable to south west coastal locations. Clacton's population increased substantially during the 20th century from 7,456 at the 1901 census to 25,000 in the 1960s, 45,065 in 1991 and reaching over 53,000 by 2001. St Osyth's Teacher Training College occupied several buildings in Clacton, mostly along Marine Parade East, until its amalgamation with the North East Essex
F.C. Clacton club turned professional and in 1952–53 finished as runners-up for a second time. In 1956–57 Clacton won the East Anglian Cup and reached the fourth and final qualifying round of the FA Cup, but lost 3–2 at home to Yiewsley. After finishing fifth in 1957–58 the club moved up to the South-East Division of the Southern League. Although they finished second from bottom in their first season, the following year they won the newly renamed Division One, and were promoted to the Premier Division. In their first season in the Premier Division they reached the first round of the FA