Morton County climate

Morton County Weather in December

NOAA 1991-2020 normals for Richfield, 8.1 km from Morton County

Average highs run from 53°F on December 1 to 47°F on December 31, and lows from 24°F to 19°F. Normal precipitation for the month is 0.63 in over about 3 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.-250255075100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

December at a glance

Average high
49°F
Average low
21°F
Precipitation
0.63 in
Snowfall
3.6 in
Record high
85°FDec 6, 1939
Record low
-18°FDec 21, 1916
Chance of a freeze
100%
Daylight
9 h 48 min to 9 h 39 min
Cloud cover
54%
Humidity
61%
Dew point
22°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
Dec 153°F24°F79°F 1917-4°F 19858%3%
Dec 253°F23°F76°F 19260°F 19858%4%
Dec 352°F23°F77°F 20210°F 19198%4%
Dec 452°F23°F78°F 1946-2°F 19028%4%
Dec 552°F22°F79°F 19804°F 19728%4%
Dec 651°F22°F85°F 1939-7°F 19728%4%
Dec 751°F22°F75°F 1981-1°F 19278%4%
Dec 851°F22°F76°F 2023-10°F 19178%4%
Dec 950°F22°F78°F 1938-16°F 19198%4%
Dec 1050°F21°F78°F 1929-13°F 19198%4%
Dec 1150°F21°F78°F 1939-6°F 19178%4%
Dec 1249°F21°F82°F 2025-11°F 19328%5%
Dec 1349°F21°F76°F 1921-5°F 19178%5%
Dec 1449°F21°F72°F 1946-1°F 19198%5%
Dec 1549°F20°F74°F 1924-12°F 19018%5%
Dec 1648°F20°F74°F 19620°F 19898%5%
Dec 1748°F20°F77°F 19390°F 19228%5%
Dec 1848°F20°F80°F 1980-11°F 20168%5%
Dec 1948°F20°F71°F 1917-14°F 19248%5%
Dec 2048°F20°F76°F 1917-16°F 19248%5%
Dec 2147°F20°F74°F 1901-18°F 19168%5%
Dec 2247°F19°F77°F 1955-15°F 19898%5%
Dec 2347°F19°F81°F 1955-15°F 19898%5%
Dec 2447°F19°F83°F 1955-16°F 19248%5%
Dec 2547°F19°F82°F 2025-10°F 19188%5%
Dec 2647°F19°F82°F 2025-1°F 19118%5%
Dec 2747°F19°F77°F 2025-11°F 19118%5%
Dec 2847°F19°F75°F 2025-12°F 19248%5%
Dec 2947°F19°F74°F 1965-16°F 19838%5%
Dec 3047°F19°F75°F 1921-12°F 19838%6%
Dec 3147°F19°F74°F 1980-10°F 19008%6%

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.02468101102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CST).

December 1
sunrise 7:42 AM, sunset 5:30 PM
December 31
sunrise 8:01 AM, sunset 5:40 PM

Every day of December: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00146808 (Richfield), public domain. Records: NOAA GHCN-Daily, station USC00142432, 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.