Morton County climate

Morton County Weather in December

NOAA 1991-2020 normals for New Salem 5NW, 25.2 km from Morton County

Average highs run from 32°F on December 1 to 22°F on December 31, and lows from 12°F to 3°F. Normal precipitation for the month is 0.52 in over about 7 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 Morton County, in °F, with the record for each date.-50-250255075151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

December at a glance

Average high
26°F
Average low
7°F
Precipitation
0.52 in
Snowfall
8.9 in
Record high
66°FDec 5, 1979
Record low
-46°FDec 28, 1916
Chance of a freeze
100%
Daylight
8 h 50 min to 8 h 37 min
Cloud cover
66%
Humidity
82%
Dew point
15°F
Wind
11.9 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 132°F12°F64°F 2021-16°F 201419%22%
Dec 231°F12°F63°F 1969-22°F 198519%22%
Dec 331°F11°F60°F 1916-21°F 198519%22%
Dec 431°F11°F58°F 1939-19°F 192720%23%
Dec 530°F11°F66°F 1979-16°F 197220%23%
Dec 630°F10°F66°F 1939-28°F 197220%23%
Dec 729°F10°F57°F 1918-27°F 197220%23%
Dec 829°F9°F60°F 1939-30°F 192720%24%
Dec 928°F9°F63°F 1939-30°F 192720%24%
Dec 1028°F9°F61°F 2015-29°F 191720%24%
Dec 1128°F8°F64°F 1939-28°F 191720%24%
Dec 1227°F8°F61°F 2004-25°F 191720%25%
Dec 1327°F8°F51°F 1913-37°F 191721%25%
Dec 1426°F7°F52°F 1939-27°F 191721%25%
Dec 1526°F7°F61°F 1998-27°F 198921%25%
Dec 1626°F7°F54°F 1939-27°F 198921%26%
Dec 1725°F6°F59°F 1997-24°F 192421%26%
Dec 1825°F6°F56°F 1997-32°F 195121%26%
Dec 1925°F6°F57°F 1979-35°F 198322%26%
Dec 2024°F6°F55°F 1979-40°F 191622%26%
Dec 2124°F5°F53°F 1957-41°F 191622%27%
Dec 2224°F5°F51°F 1991-33°F 198922%27%
Dec 2323°F5°F56°F 1954-38°F 198322%27%
Dec 2423°F5°F47°F 1943-38°F 198322%27%
Dec 2523°F4°F47°F 2005-27°F 199622%27%
Dec 2623°F4°F49°F 1963-33°F 199022%27%
Dec 2722°F4°F54°F 2005-33°F 199023%27%
Dec 2822°F4°F52°F 1980-46°F 191623%28%
Dec 2922°F3°F51°F 1999-36°F 191723%28%
Dec 3022°F3°F54°F 1999-33°F 199022%28%
Dec 3122°F3°F47°F 1956-36°F 196722%28%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Morton County, 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 (CST).

December 1
sunrise 8:09 AM, sunset 4:59 PM
December 31
sunrise 8:30 AM, sunset 5:07 PM

Every day of December: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00326365 (New Salem 5NW), public domain. Records: NOAA GHCN-Daily, station USC00325479, 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.