Weather By Day

May Weather In San Jose  
May San Jose Weather
Record High: 101°F
Normal High: 74°F
Normal Low: 51°F
Record Low: 37°F
Avg Monthly Rain: 0.42"
Rec 1 Day Rain: 1.62"

San Jose Weather In May

The hottest day in San Jose California in May for the past 55 years was 101 degrees Fahrenheit, measured on May 31, 2001, while the average high temperature is 74. The coldest day reported in San Jose in May for the past 55 years was 37 measured on May 4, 1952, while the regular low temperature for a given day during the month is 51.

According to National Weather Service historical San Jose May Weather data, on May 5, 1964, the high temperature did not exceed 55 degrees Fahrenheit, the lowest high measured in San Jose in the past 55 years. The Weather Service additionally shows that on May 31, 2001, the low for the day did not drop below 69 degrees, the highest low temperature in San Jose in the last 55 years.

National Weather Service data shows that the high temperature in San Jose on May First averages 67 degrees Fahrenheit and the high on the final day of May averages 64 degrees. The average recorded low temperature in San Jose on May First is 50 degrees Fahrenheit and the average low on the last day of May is 48 degrees.

San Jose usually receives an average of 0.42 inches of rain during the month. According to May San Jose Weather records, the most rain measured in a single day in May was 1.62 inches on May 27, 1990.