Phoenix Weather in January

What's the weather like in Phoenix (Arizona) in January 2024?

The climate in Phoenix during January can be summarized as mild and dry.

January is in the winter in Phoenix and is typically the coldest month of the year. Daytime maximum temperatures average around a cool 19°C (66°F), whilst at night 4°C (40°F) is normal.

Phoenix weather averages (imperial / metric)
Daytime temperature 19.1°C 66.3°F
Nightly temperature 4.4°C 39.8°F
Average temperature 11.7°C 53.1°F
Daily sunshine 9 hrs
Avg rainfall 21 mm 0.8 ins
Rainy days 4 days
Sea temperature 14.9°C 58.8°F
Humidity 51%
Windspeed 10.4kph 7 mph

On average January is the 5th wettest month of the year in Phoenix with around 21mm 0.8 inches of rain making it a dry time to visit. This rainfall is typically spread over 4 days, although this may vary considerably.

On the flip side this corresponds to an average of 9 hours of sunshine per day.

January temperatures in Phoenix

Phoenix average temperature in January

January rainfall

Phoenix average rain in January

January hourly sunshine

Phoenix average rain in January

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Phoenix in January 2024.