Winfield is a hamlet in Alberta, Canada within the County of Wetaskiwin No. 10. It is located at the intersection of Highway 13 and Highway 20, approximately 70 kilometres west of Wetaskiwin. Winfield experiences a subarctic climate that borders on a humid continental climate The average January temperature is ā9.1 °C, while the average July temperature iā¦Winfield is a hamlet in Alberta, Canada within the County of Wetaskiwin No. 10. It is located at the intersection of Highway 13 and Highway 20, approximately 70 kilometres west of Wetaskiwin. Winfield experiences a subarctic climate that borders on a humid continental climate The average January temperature is ā9.1 °C, while the average July temperature is 15.5 °C. However, temperatures as low as ā44.5 °C and as high as 34.0 °C have been recorded. Winters are cold and dry with a snow pack from mid-November till early-April. Summers are warm with long days; most precipitation falls during summer as rain from thunderstorms. July has the most precipitation of any month with an average of 131.1 millimetres as rain.