December in Goodyear averages a daily high of 18.3°C with nights around 5.6°C. Expect roughly 3.9 wet days totalling 18.2mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Goodyear is November–March.
Based on LITCHFIELD PARK, AZ US (7.1km), 1995–2024. 18 years of December data.