Quetta has a semi-arid climate with a significant variation between summer and winter temperatures. Summer starts about late May and goes on until early September with average temperatures ranging from 24–26 °C (75–79 °F). The highest temperature in Quetta is 42 °C (108 °F) which was recorded on 10 July 1998. Autumn starts in late September and continues until mid-November with average temperatures in the 12–18 °C (54–64 °F) range. Winter starts in late November and also in late March, with average temperatures near 4–5 °C (39–41 °F). The lowest temperature in Quetta is −18.3 °C (−0.9 °F) which was recorded on 8 January 1970. Spring starts in early April and ends in late May, with average temperatures close to 15 °C (59 °F). Unlike more easterly parts of Pakistan, Quetta does not have a monsoon season of heavy rainfall. Highest rainfall during 24 hours in Quetta is 113 millimeters (4.4 in) which was recorded on 17 December 2000, Highest monthly rainfall of 232.4 millimeters (9.15 in) was recorded on March 1982, also the year of the highest annual rainfall, at 949.8 millimeters (37.39 in). In the winter, snowfall has become quite erratic (December, January, and February).