Weather By Day

May Weather In Grand Junction  
May Grand Junction Weather
Record High: 100°F
Normal High: 74°F
Normal Low: 46°F
Record Low: 27°F
Avg Monthly Rain: 0.98"
Rec 1 Day Rain: 0.96"
Avg Monthly Snow: 0.1"
Rec 1 Day Snow: 3.2"

Grand Junction Weather In May

The highest recorded temperature in May for Grand Junction for the past 64 years was 100 degrees Fahrenheit, on May 4, 2000, and the regular high is 74. The lowest documented temperature in May for Grand Junction for the past 64 years was 27 on May 15, 1968, while the standard low daily temperature for the month is 46.

United States NWS historical Grand Junction May Weather data records that on May 9, 1979, the high temperature did not exceed 43 degrees Fahrenheit, the lowest high measured in Grand Junction in the past 64 years. The Weather Service additionally indicates that on May 29, 2000, the low for the day did not drop below 69 degrees, the highest low recorded in Grand Junction in the last 64 years.

Weather Service historical data shows that the average daily high temperature in Grand Junction on May First is 70 degrees Fahrenheit and the average high on the last day of May is 79 degrees. The low temperature in Grand Junction in May on the first day of the month averages 43 degrees and the low temperature on the last day of the month averages 51 degrees.

Grand Junction usually receives an average of 0.98 inches of rain during May. May Grand Junction Weather records indicated that on May 8, 1973 Grand Junction received 0.96 inches of precipitation, the most rain recorded in a single day in May. Grand Junction receives an average of 0.1 inches of snow in May.On May 8, 1979 Grand Junction received 3.2 inches of rain, the greatest snowfall measured in a single day in May.