Duncan, OK Weather & Climate Normals
What a normal year in Duncan actually looks like
On the 30-year record NOAA keeps for Duncan, OK, the comfort score comes out to 46/100, strongly seasonal: Comfortable weather is limited to a shorter window; summers, winters, or precipitation swing wide. Only 4 months a year land in the 55–75°F range this site treats as mild.
How much Duncan's weather actually swings
Average temperatures in Duncan run from 40°F in Jan up to 83°F in Jul, a 42.4°F seasonal swing, a middling gap by national standards.
How wet Duncan actually gets
Over a typical year, Duncan sees about 37.14in of precipitation a year across roughly 81 days with measurable rain or snow, with 2.8in of snow a year.
Duncan against the rest of the country
Out of 4876 cities scored here, Duncan comes in at 2983; within OK alone it ranks 9 of 75. Population is about 23,174.
Checking the actual forecast
These figures come from DUNCAN, OK US, the NOAA station 1.3 miles from Duncan, averaged over 30 years, not tomorrow's forecast.
More on how this is worked out
Why this uses the nearest NOAA station · How the comfort score is calculated