Cortland Weather in August

The climate in Cortland during August can be summarized as warm and a little damp.

August is in the summer in Cortland and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around 25°C (78°F), whilst at night 13°C (56°F) is normal.

On average August is the 6th wettest month of the year in Cortland with around 87mm 3.4 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.8 hours of sunshine per day.

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Cortland in August 2025.