The cold season lasts 3 or 2 months, from November 21 to February 26, with an average daily high temperature below 74° F. The coldest month of the year in Phoenix is December, with an average minimum of 46° F and a maximum of 66° F. The coldest month in Phoenix is January, when the average temperature during the night is 43.4° F. warmest month, the average daytime temperature rises to 104.2° F.
December is the coldest month of the year in Phoenix. The average low temperatures drop to 45° F (7° C), while the high temperature will reach a maximum of 66° F (19° C). In addition, December also receives the fewest hours of sunshine per year, with only 236 hours expected. With pleasant and cool weather, December is a fantastic time of year to get outdoors and explore the nature of Phoenix.
The Phoenix Information Center on North Second Street in downtown Phoenix should be your first stop when you arrive in town.
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