Phoenix Weather In January
The hottest January day in Phoenix for the past 73 years was 88 degrees Fahrenheit, registered on January 19, 1971, and the regular high is 67. The lowest documented temperature for Phoenix for the past 73 years in January was 16 most recently measured on January 7, 1913, while the standard low daily temperature for the month is 45.
United States National Weather Service historical Phoenix January weather data indicates that on January 21, 1937, the measured high temperature did not exceed 39 degrees Fahrenheit, the lowest high measured in Phoenix in the past 73 years. Weather Service data also shows that on January 25, 1982, the lowest recorded temperature for the day did not drop below 61 degrees, the highest low measured temperature in Phoenix in the last 73 years.
National Weather Service records indicate that the high temperature in Phoenix on January First averages 47 degrees and the high on the last day of the month averages 40 degrees. The daily low temperature in Phoenix on January First averages 20 degrees Fahrenheit and the low on the last day of January averages 14 degrees.
Phoenix usually receives an average of 0.83 inches of rain during January. The most precipitation measured in a single day, as indicated by January Phoenix Weather data, was 1.84 inches on January 11, 1993.