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Duncan (OK) Climate by Month

The graphs below provide an overview of the climate in Duncan (Oklahoma), the United States of America. They present long-term patterns and averages of weather conditions over a 30-year period.

Average day and night temperature

The mean minimum and maximum temperatures over the year.

Monthly precipitation

The mean monthly precipitation over the year, including rain, snow, hail etc.

Forecast for Duncan (OK)

Sun   Nov 17
23°C | 14°C
S 18 km/h
4 mm
broken clouds and  chance of rain

broken clouds and chance of rain

Mon   Nov 18
20°C | 11°C
SW 43 km/h
34 mm
partly cloudy and thunder

partly cloudy and thunder

Tue   Nov 19
20°C | 8°C
N 14 km/h
clear and no rain

clear and no rain

The best time of year to visit Duncan in the United States of America

During the months of April and October you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:

  • Which is the warmest month in Duncan?
    August has an average maximum temperature of 36°C and is the warmest month of the year.
  • Which is the coldest month in Duncan?
    The coldest month is January with an average maximum temperature of 11°C.
  • Which is the wettest month in Duncan?
    May tops the wettest month list with 148 mm of rainfall.
  • Which is the driest month in Duncan?
    January is the driest month with 27 mm of precipitation.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.