Weather By Day

May Juneau Weather 
May Juneau Weather
Record High: 79°F
Normal High: 56°F
Normal Low: 40°F
Record Low: 25°F
Avg Monthly Rain: 3.48"
Rec 1 Day Rain: 2.15"

Juneau Weather In May

The highest recorded temperature for Juneau Alaska for the past 66 years in May was 79 degrees Fahrenheit, most recently registered on May 30, 1964, while the regular high temperature is 56. In the last 66 years the highest reported temperature in Juneau for May was 25 most recently measured on May 1, 1972, while the normal low measured temperature is 40.

US National Weather Service historical Juneau May Weather data records that on May 9, 1965, the high temperature did not exceed 39 degrees Fahrenheit, the lowest high measured in Juneau in the past 66 years. NWS data also shows that on May 15, 1983, the lowest measured temperature on that day did not drop below 54 degrees, the highest low temperature measured in Juneau in the last 66 years.

Weather Service historical data shows that the average daily high temperature in Juneau on May First is 53 degrees Fahrenheit and the average high on the last day of May is 59 degrees. The low measured temperature in Juneau on May First averages 36 degrees and the low on the last day of the month averages 43 degrees.

Juneau normally receives an average of 3.48 inches of rain during May. The most precipitation recorded on a single day in May, according to May Juneau Weather data, was 2.15 inches on May 25, 1992.