Helena Weather In July
In the last 70 years the highest measured July temperature in Helena was 105 degrees Fahrenheit, registered on July 13, 2002, and the standard high is 83. In the last 70 years the lowest measured July temperature in Helena was 36 measured on July 4, 1971, and the typical low is 52.
United States NWS historical Helena July Weather data records that on July 24, 1918, the high temperature did not exceed 46 degrees Fahrenheit, the lowest high measured in Helena in the past 70 years. NWS data also shows that on July 23, 1936, the lowest measured temperature on that day did not drop below 74 degrees, the highest low temperature measured in Helena in the last 70 years.
Weather Service historical data shows that the average daily high temperature in Helena on July First is 79 degrees Fahrenheit and the average high on the last day of July is 84 degrees. The average recorded low temperature in Helena on July First is 50 degrees Fahrenheit and the average low on the last day of July is 55 degrees.
Helena typically receives an average of 1.34 inches of rain during the month. July Helena Weather records indicate that on July 30, 1975 Helena received 1.36 inches of precipitation, the highest amount of rain recorded in a single day in July.