Tyumen has a humid continental climate (K�ppen climate classification Dfb) with warm, somewhat humid summers and long, cold winters. The weather in town is very changeable, and the temperature in town is always higher than in the surrounding area by a few degrees. The town area also attracts more precipitation. The average temperature in January is ?16.7 �C (1.9 �F), with a record low of ?50 �C (?58 �F) (February 1951). The average temperature in July is +18.6 �C(65.48 �F), with a record high of +38 �C (100 �F).
The average annual precipitation is 457 millimeters (18.0 in). The wettest year on record was 1943, with 581 millimeters (22.9 in), and the driest was 1917, with only 231 millimeters (9.1 in)
