Helena Weather In June
The hottest day in Helena Montana in June for the past 70 years was 102 degrees Fahrenheit, measured on June 21, 1900, and the mean high is 75. The coldest June day in Helena for the past 70 years was 30 on June 26, 1999, and the standard low recorded daily temperature is 48.
United States NWS historical Helena June Weather data records that on June 7, 1895, the high temperature did not exceed 39 degrees Fahrenheit, the lowest high measured in Helena in the past 70 years. Weather Service records also indicate that on June 22, 1900, the low temperature for the day was not measured below 69 degrees, the highest low measured in Helena in the last 70 years.
NWS data indicates that the daily high temperature in Helena on June First averages 68 degrees Fahrenheit and the high on the last day of June averages 77 degrees. The daily low temperature in Helena on June First averages 45 degrees Fahrenheit and the low on the last day of June averages 50 degrees.
Helena usually receives an average of 1.82 inches of precipitation during the month. The most precipitation measured in a single day, as indicated by June Helena Weather data, was 2.16 inches on June 11, 1915. Helena receives an average of 0.1 inches of snow in June. The highest snowfall on a single day in June was 2.7 inches on June 12, 1969.