The highest day temperature in January 2025 was 70°F. The lowest night temperature was 36°F. The average values for day and night temperatures during January were 62.2°F и 42.8°F respectivly.

Most of the days in January are sunny but you can also expect cloudy and gloomy days.

Precipitation total in January for Phoenix is 0.5 in.

The average wind speed in January is 4.2 mph. It makes January one of the most windless months of the year for Phoenix.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Phoenix in January is 8.1 hours.