Summers in Irmo get very hot and humid. June through August often sees temperatures of around 37°C99°F . It might be wise to do your training early in the mornings or on a treadmill indoors. The temperature in the warmest month of July is normally around 2984 to 35°C96°F at noon and 2374 to 28°C82°F at 6 AM.See more weather info below
Harbison State Forest has a soft surface and are not very far from Irmo for those who like to avoid the asphalt and concrete.
The line represents the average temperature. The faded area represents the most likely temperature span. The temperature is within this area 80% of the times.
The line represents the average dew point. The faded area represents the most likely dew point span. The dew point is within this area 80% of the times.
The line represents the average wind speed.