Duncan climate

Duncan Weather in April

NOAA 1991-2020 normals for Duncan, 0.1 km from Duncan

Average highs run from 70°F on April 1 to 77°F on April 30, and lows from 46°F to 53°F. Normal precipitation for the month is 3.45 in over about 7 wet days.

April day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Duncan, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

April at a glance

Average high
73°F
Average low
49°F
Precipitation
3.45 in
Record high
100°FApr 12, 1972
Record low
26°FApr 12, 1940
Chance of a freeze
33%
Days of 90°F or more
0.7
Daylight
12 h 34 min to 13 h 33 min
Cloud cover
54%
Humidity
64%
Dew point
48°F
Wind
12.3 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Apr 170°F46°F94°F 194629°F 198723%0%
Apr 270°F46°F91°F 195027°F 197023%0%
Apr 370°F46°F96°F 195028°F 197523%0%
Apr 471°F46°F92°F 201131°F 194523%0%
Apr 571°F46°F92°F 201129°F 194523%0%
Apr 671°F47°F96°F 195429°F 199424%0%
Apr 772°F47°F94°F 195427°F 193924%0%
Apr 872°F47°F90°F 196333°F 200724%0%
Apr 972°F47°F89°F 193930°F 197324%0%
Apr 1072°F48°F91°F 201128°F 197324%0%
Apr 1173°F48°F94°F 194831°F 199524%0%
Apr 1273°F48°F100°F 197226°F 194024%0%
Apr 1373°F48°F97°F 197226°F 195725%0%
Apr 1473°F48°F92°F 195631°F 195725%0%
Apr 1573°F49°F92°F 194032°F 198325%0%
Apr 1674°F49°F92°F 200634°F 196125%0%
Apr 1774°F49°F92°F 194834°F 194726%0%
Apr 1874°F50°F97°F 200633°F 195326%0%
Apr 1974°F50°F97°F 201132°F 195326%0%
Apr 2075°F50°F92°F 198734°F 195326%0%
Apr 2175°F50°F92°F 195536°F 196626%0%
Apr 2275°F51°F95°F 195534°F 195927%0%
Apr 2375°F51°F93°F 200940°F 198427%0%
Apr 2475°F51°F90°F 195037°F 199527%0%
Apr 2576°F52°F94°F 198440°F 200527%0%
Apr 2676°F52°F94°F 193941°F 197627%0%
Apr 2776°F52°F93°F 195641°F 197327%0%
Apr 2876°F53°F90°F 194838°F 200828%0%
Apr 2976°F53°F91°F 196041°F 195628%0%
Apr 3077°F53°F91°F 195538°F 199628%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Duncan, in percent, and of at least 0.1 inch of snowfall.01020301102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

April 1
sunrise 7:19 AM, sunset 7:53 PM
April 30
sunrise 6:43 AM, sunset 8:16 PM

Every day of April: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00342660 (Duncan), public domain. Records: NOAA GHCN-Daily, station USC00342660, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.