Surprise, in Arizona, United States, is home to roughly 143,000 people in the Mountain Time Zone at 33.6°N latitude.
In 2025, Surprise recorded an average annual temperature of 75°F — about 2.8°F above the 30-year normal of 73°F. The hottest day reached 118°F in August; the coldest was 33°F in January. Total precipitation was 11 inches (near normal). The wettest month was November.
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