Things to Do in San Tan Valley in December 2026

The East Valley's booming desert frontier — San Tan Mountain Regional Park, wide-open skies, and rapid new growth.

Prime season in metro Phoenix: warm, dry days and patio weather, with the calendar at its busiest.

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December events in San Tan Valley

No events listed for December in San Tan Valley yet

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San Tan Valley guides & tips

ASU Sun Devils Game Day Guide — Tempe

Arizona State University game days in Tempe are a full experience beyond just the football field. Here is your guide to tailgating, Mill Avenue bars, and making the most of a Sun Devils game day in the East Valley.

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