Monmouth climate

Monmouth Weather in December

NOAA 1991-2020 normals for Monmouth, 3.8 km from Monmouth

Average highs run from 42°F on December 1 to 33°F on December 31, and lows from 25°F to 17°F. Normal precipitation for the month is 2.15 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 Monmouth, in °F, with the record for each date.-40-20020406080151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

December at a glance

Average high
37°F
Average low
21°F
Precipitation
2.15 in
Snowfall
4.8 in
Record high
72°FDec 16, 2021
Record low
-22°FDec 21, 1963
Chance of a freeze
100%
Daylight
9 h 27 min to 9 h 17 min
Cloud cover
67%
Humidity
85%
Dew point
24°F
Wind
11.0 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 142°F25°F62°F 19625°F 197622%6%
Dec 241°F25°F66°F 19620°F 194222%6%
Dec 341°F25°F69°F 1970-4°F 194222%7%
Dec 441°F24°F70°F 2012-4°F 199122%7%
Dec 540°F24°F67°F 2001-5°F 197722%7%
Dec 640°F24°F65°F 1951-6°F 197722%7%
Dec 739°F23°F62°F 1946-9°F 197622%7%
Dec 839°F23°F66°F 1946-10°F 197622%8%
Dec 939°F23°F62°F 1946-7°F 197722%8%
Dec 1038°F22°F60°F 1979-7°F 197222%8%
Dec 1138°F22°F64°F 1949-9°F 197222%8%
Dec 1238°F22°F64°F 1991-10°F 196222%8%
Dec 1337°F22°F63°F 1975-14°F 190322%8%
Dec 1437°F21°F63°F 1975-13°F 190122%9%
Dec 1537°F21°F62°F 1971-17°F 198922%9%
Dec 1636°F21°F72°F 2021-12°F 196322%9%
Dec 1736°F20°F57°F 2006-6°F 198522%9%
Dec 1836°F20°F62°F 1939-16°F 198322%9%
Dec 1935°F20°F59°F 1988-18°F 198322%9%
Dec 2035°F20°F62°F 1949-16°F 190122%9%
Dec 2135°F19°F60°F 1967-22°F 196322%10%
Dec 2234°F19°F59°F 1957-21°F 198922%10%
Dec 2334°F19°F60°F 1982-21°F 198922%10%
Dec 2434°F19°F62°F 1955-21°F 198323%10%
Dec 2534°F18°F61°F 2021-15°F 198323%10%
Dec 2634°F18°F60°F 2019-15°F 196223%10%
Dec 2733°F18°F63°F 1946-8°F 195123%10%
Dec 2833°F18°F68°F 1984-10°F 196123%10%
Dec 2933°F17°F64°F 1984-8°F 190923%10%
Dec 3033°F17°F63°F 2022-14°F 190923%11%
Dec 3133°F17°F61°F 2002-14°F 196723%11%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Monmouth, in percent, and of at least 0.1 inch of snowfall.05101520251102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CST).

December 1
sunrise 7:08 AM, sunset 4:35 PM
December 31
sunrise 7:27 AM, sunset 4:44 PM

Every day of December: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00115768 (Monmouth), public domain. Records: NOAA GHCN-Daily, station USC00113320, 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.