Jones County climate

Jones County Weather in December

NOAA 1991-2020 normals for Anamosa 1 Wnw, 13.4 km from Jones County

Average highs run from 39°F on December 1 to 29°F on December 31, and lows from 20°F to 12°F. Normal precipitation for the month is 1.84 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 Jones County, in °F, with the record for each date.-40-20020406080151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

December at a glance

Average high
33°F
Average low
16°F
Precipitation
1.84 in
Snowfall
6.9 in
Record high
69°FDec 5, 1998
Record low
-28°FDec 23, 1960
Chance of a freeze
100%
Daylight
9 h 21 min to 9 h 10 min
Cloud cover
67%
Humidity
87%
Dew point
21°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 139°F20°F60°F 1962-2°F 197123%11%
Dec 238°F20°F64°F 1962-3°F 198023%11%
Dec 338°F19°F64°F 1951-12°F 198523%12%
Dec 437°F19°F65°F 2012-7°F 202523%12%
Dec 537°F19°F69°F 1998-11°F 200523%13%
Dec 637°F19°F64°F 2001-9°F 197724%13%
Dec 736°F18°F54°F 1951-16°F 197624%13%
Dec 836°F18°F52°F 2024-11°F 200524%13%
Dec 935°F18°F52°F 1984-24°F 195824%14%
Dec 1035°F18°F56°F 1979-18°F 195824%14%
Dec 1135°F17°F64°F 1949-14°F 197224%14%
Dec 1234°F17°F57°F 1968-13°F 195824%14%
Dec 1334°F17°F59°F 2015-24°F 196124%14%
Dec 1434°F17°F61°F 2015-18°F 198524%15%
Dec 1533°F16°F57°F 2021-17°F 196124%15%
Dec 1633°F16°F69°F 2021-14°F 195124%15%
Dec 1733°F16°F54°F 1984-15°F 195324%15%
Dec 1832°F16°F53°F 1962-16°F 198324%15%
Dec 1932°F15°F53°F 2002-23°F 198524%16%
Dec 2032°F15°F54°F 1967-21°F 198524%16%
Dec 2131°F15°F57°F 1967-23°F 196324%16%
Dec 2231°F15°F52°F 1957-21°F 198924%16%
Dec 2331°F14°F55°F 1965-28°F 196023%16%
Dec 2430°F14°F55°F 2015-24°F 198923%16%
Dec 2530°F14°F58°F 1982-28°F 198323%16%
Dec 2630°F14°F55°F 2019-26°F 196223%17%
Dec 2730°F13°F52°F 1959-24°F 195123%17%
Dec 2829°F13°F55°F 1984-19°F 196123%17%
Dec 2929°F13°F64°F 1984-10°F 196323%17%
Dec 3029°F12°F57°F 2022-16°F 196323%17%
Dec 3129°F12°F60°F 1965-17°F 197622%17%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Jones County, 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 7:13 AM, sunset 4:34 PM
December 31
sunrise 7:33 AM, sunset 4:43 PM

Every day of December: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00130213 (Anamosa 1 Wnw), public domain. Records: NOAA GHCN-Daily, station USC00131257, 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.