Weather By Day

May Weather In Salem  
May Salem Weather
Record High: 100°F
Normal High: 68°F
Normal Low: 44°F
Record Low: 25°F
Avg Monthly Rain: 2.13"
Rec 1 Day Rain: 1.76"

Salem Weather In May

The hottest day in Salem Oregon in May for the past 73 years was 100 degrees Fahrenheit, on May 28, 1983, while the standard high temperature is 68. The lowest documented temperature for Salem for the past 73 years in May was 25 most recently registered on May 1, 1954, while the average low temperature is 44.

According to National Weather Service historical Salem May Weather data, on May 20, 1908, the high temperature did not exceed 47 degrees Fahrenheit, the lowest high measured in Salem in the past 73 years. NWS weather data additionally shows that on May 1, 1909, the lowest recorded temperature on that day did not drop below 66 degrees, the highest low measured in Salem in the last 73 years.

National Weather Service records indicate that the high temperature in Salem on May First averages 65 degrees and the high on the last day of the month averages 71 degrees. The low measured temperature in Salem on May First averages 42 degrees and the low on the last day of the month averages 47 degrees.

Salem usually receives an average of 2.13 inches of rain during May. May Salem Weather records show that on May 17, 1991 Salem received 1.76 inches of rain, the most rain measured in a single day in May.