Average temperature in Duncan (OK)
The mean minimum and maximum temperatures over the year in Duncan (Oklahoma), the United States of America.
- The months of April, May and October have nice average temperatures.
- Hot season / summer is in June, July, August and September.
- On average, the warmest month is August with 36°C.
- On average, the coolest month is December with 11°C.
- The average annual maximum temperature is 23°C.
- The average annual minimum temperature is 10°C.
Forecast for Duncan (OK)
clear and no rain
clear and no rain
partly cloudy and no rain