Cullman Seasonal temperature break down - The average median temperature March through May is approximately 60°F with highs averaging at 73°F and lows averaging at 49°F. June through August has an approximate average median temperature of 75°F with highs averaging at 88°F, lows typically average at 66°F. Average median temperatures September through November average out at 62°F, high temperatures average out at 76°F and lows average at 51°F.
The average median temperature December through February is approximately 46°F with highs averaging at 57°F, lows average out at 38°F.
The average Cullman annual median temperature averages out at approximately 61°F. The coldest month in Cullman is January with a median temperature of 40°F, the average high for the month of January is 52°F with an average low of 33°F. The hottest month in Cullman is July with an approximate median temperature of 77°F, the average high for the month of July is 89°F with an average low of 68°F.