Winters in Surprise are mild, with average temperatures ranging from 13°C to 16°C between January and March. Spring is warm, with temperatures gradually increasing from 17°C in March to 28°C in May, followed by a hot summer with peak temperatures reaching up to 47°C in June and July. Autumn brings relief from the heat, with temperatures decreasing to around 23°C in October before dropping further in November and December. The coldest months are January and December, while June is typically the hottest month of the year.