Haymana's winters are harsh, with temperatures often dropping below freezing and averaging around 2-4°C in January and December. Spring brings a gradual warming trend, with temperatures rising to an average of 12°C by April and 18°C by May. Summer is warm and dry, with July and August being the hottest months, averaging around 25°C. Autumn sees a cooling trend, with temperatures dropping back down to averages of 8-12°C by October and November.