Harper climate

Harper Weather in December

NOAA 1991-2020 normals for Harper 3ENE, 4.1 km from Harper

Average highs run from 64°F on December 1 to 59°F on December 31, and lows from 40°F to 34°F. Normal precipitation for the month is 1.61 in over about 5 wet days.

December day by day

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

Normal daily high and low temperature at Harper, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

December at a glance

Average high
61°F
Average low
37°F
Precipitation
1.61 in
Record high
88°FDec 24, 1955
Record low
1°FDec 23, 1989
Chance of a freeze
98%
Daylight
10 h 20 min to 10 h 14 min
Cloud cover
55%
Humidity
70%
Dew point
38°F
Wind
10.3 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
Dec 164°F40°F83°F 201920°F 197515%0%
Dec 264°F40°F81°F 195020°F 202015%0%
Dec 363°F39°F85°F 200518°F 200615%0%
Dec 463°F39°F85°F 195418°F 200615%0%
Dec 563°F39°F84°F 199518°F 200915%0%
Dec 663°F39°F82°F 193912°F 195015%0%
Dec 763°F38°F79°F 193911°F 195015%0%
Dec 862°F38°F80°F 195020°F 200515%0%
Dec 962°F38°F81°F 202118°F 197815%0%
Dec 1062°F38°F80°F 201913°F 197815%0%
Dec 1162°F38°F86°F 193920°F 197815%0%
Dec 1262°F37°F86°F 197317°F 196615%0%
Dec 1361°F37°F84°F 194815°F 196615%0%
Dec 1461°F37°F83°F 197316°F 198515%0%
Dec 1561°F37°F83°F 201911°F 190115%0%
Dec 1661°F36°F87°F 201917°F 190115%0%
Dec 1761°F36°F79°F 193911°F 198915%0%
Dec 1861°F36°F82°F 196919°F 190915%0%
Dec 1960°F36°F81°F 201214°F 199615%0%
Dec 2060°F36°F79°F 196617°F 201916%0%
Dec 2160°F35°F79°F 196615°F 197316%0%
Dec 2260°F35°F79°F 19667°F 198916%0%
Dec 2360°F35°F85°F 19551°F 198916%0%
Dec 2460°F35°F88°F 19558°F 198316%0%
Dec 2560°F35°F85°F 19557°F 198316%0%
Dec 2660°F35°F85°F 202114°F 198316%0%
Dec 2760°F35°F86°F 202114°F 198316%0%
Dec 2860°F34°F79°F 201623°F 196116%0%
Dec 2959°F34°F87°F 195111°F 198317%0%
Dec 3059°F34°F88°F 19517°F 198317%0%
Dec 3159°F34°F86°F 202416°F 197617%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Harper, in percent, and of at least 0.1 inch of snowfall.051015201102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CST).

December 1
sunrise 7:16 AM, sunset 5:36 PM
December 31
sunrise 7:33 AM, sunset 5:47 PM

Every day of December: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00413954 (Harper 3ENE), public domain. Records: NOAA GHCN-Daily, station USC00413329, 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.