Cooper climate

Cooper Weather in April

NOAA 1991-2020 normals for Cooper Dam, 9.8 km from Cooper

Average highs run from 72°F on April 1 to 77°F on April 30, and lows from 49°F to 57°F. Normal precipitation for the month is 4.16 in over about 9 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 Cooper, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

April at a glance

Average high
75°F
Average low
53°F
Precipitation
4.16 in
Record high
96°FApr 4, 1893
Record low
27°FApr 11, 1989
Chance of a freeze
11%
Daylight
12 h 33 min to 13 h 29 min
Cloud cover
56%
Humidity
77%
Dew point
55°F
Wind
10.7 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 172°F49°F91°F 197431°F 189630%0%
Apr 272°F49°F88°F 197430°F 196230%0%
Apr 372°F49°F88°F 189328°F 198730%0%
Apr 472°F49°F96°F 189329°F 197530%0%
Apr 573°F50°F95°F 189330°F 198730%0%
Apr 673°F50°F93°F 189331°F 198229%0%
Apr 773°F50°F92°F 189328°F 199429%0%
Apr 873°F50°F92°F 189331°F 197129%0%
Apr 974°F51°F91°F 189330°F 196429%0%
Apr 1074°F51°F90°F 189330°F 196429%0%
Apr 1174°F51°F93°F 194827°F 198929%0%
Apr 1274°F52°F88°F 189333°F 200329%0%
Apr 1374°F52°F93°F 189532°F 199729%0%
Apr 1474°F52°F93°F 189531°F 198029%0%
Apr 1575°F52°F91°F 189429°F 195229%0%
Apr 1675°F53°F94°F 189432°F 198029%0%
Apr 1775°F53°F93°F 189433°F 196129%0%
Apr 1875°F53°F93°F 200635°F 195129%0%
Apr 1975°F53°F93°F 200633°F 195329%0%
Apr 2075°F54°F93°F 200633°F 195329%0%
Apr 2176°F54°F90°F 198734°F 202129%0%
Apr 2276°F54°F94°F 189437°F 199329%0%
Apr 2376°F55°F89°F 201138°F 195929%0%
Apr 2476°F55°F89°F 189434°F 200529%0%
Apr 2576°F55°F93°F 189334°F 191029%0%
Apr 2677°F55°F94°F 189440°F 190329%0%
Apr 2777°F56°F91°F 189440°F 195029%0%
Apr 2877°F56°F94°F 189539°F 200829%0%
Apr 2977°F56°F95°F 189537°F 196529%0%
Apr 3077°F57°F91°F 198737°F 196529%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Cooper, 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 7:10 AM, sunset 7:43 PM
April 30
sunrise 6:36 AM, sunset 8:05 PM

Every day of April: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00411968 (Cooper Dam), public domain. Records: NOAA GHCN-Daily, station USC00418743, 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.