San Jose Weather In January
The record high January temperature in San Jose California for the last 55 years was 79 degrees Fahrenheit, most recently encountered on January 8, 1962, and the regular high is 58. The coldest January day in San Jose for the past 55 years was 24 most recently measured on January 11, 1949, and the average low daily temperature is 42.
US National Weather Service historical San Jose January Weather data records that on January 10, 1949, the high temperature did not exceed 41 degrees Fahrenheit, the lowest high measured in San Jose in the past 55 years. Weather Service records also indicate that on January 1, 1997, the low temperature for the day was not measured below 61 degrees, the highest low measured in San Jose in the last 55 years.
According to the National Weather Service, the high temperature in San Jose in January on the first day of the month averages 67 degrees and the high on the last day of the month averages 64 degrees. The low temperature in San Jose in January on the first day of the month averages 50 degrees and the low temperature on the last day of the month averages 48 degrees.
San Jose usually receives an average of 2.96 inches of rain during the month. January San Jose Weather records show that on January 30, 1968 San Jose received 3.6 inches of rain, the most rain measured in a single day in January.