Gladbrook climate

Gladbrook Weather in December

NOAA 1991-2020 normals for Grundy Ctr, 20 km from Gladbrook

Average highs run from 38°F on December 1 to 28°F on December 31, and lows from 20°F to 11°F. Normal precipitation for the month is 1.44 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 Gladbrook, in °F, with the record for each date.-40-20020406080151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

December at a glance

Average high
32°F
Average low
15°F
Precipitation
1.44 in
Snowfall
9.5 in
Record high
73°FDec 15, 2021
Record low
-23°FDec 25, 2000
Chance of a freeze
100%
Daylight
9 h 20 min to 9 h 10 min
Cloud cover
65%
Humidity
86%
Dew point
21°F
Wind
11.2 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 138°F20°F63°F 19980°F 200521%11%
Dec 237°F20°F59°F 19984°F 200521%11%
Dec 337°F19°F68°F 20120°F 202521%11%
Dec 437°F19°F68°F 1998-15°F 202521%12%
Dec 536°F19°F66°F 2001-12°F 200521%12%
Dec 636°F18°F51°F 2001-13°F 200521%12%
Dec 735°F18°F62°F 2024-17°F 200521%12%
Dec 835°F18°F60°F 2024-5°F 200521%13%
Dec 934°F17°F57°F 2020-10°F 200521%13%
Dec 1034°F17°F59°F 2020-8°F 200921%13%
Dec 1134°F17°F50°F 1998-8°F 201321%13%
Dec 1233°F16°F52°F 2021-15°F 200021%13%
Dec 1333°F16°F53°F 2014-12°F 202521%13%
Dec 1433°F16°F56°F 2014-19°F 202521%14%
Dec 1532°F15°F73°F 2021-7°F 200921%14%
Dec 1632°F15°F54°F 2006-7°F 200921%14%
Dec 1731°F15°F46°F 2018-8°F 201621%14%
Dec 1831°F14°F56°F 2002-16°F 201621%14%
Dec 1931°F14°F53°F 2018-9°F 200020%14%
Dec 2031°F14°F49°F 2015-10°F 199920%15%
Dec 2130°F14°F50°F 2019-17°F 199920%15%
Dec 2230°F13°F54°F 2019-16°F 200820%15%
Dec 2330°F13°F52°F 2023-13°F 201320%15%
Dec 2429°F13°F57°F 2023-21°F 200020%15%
Dec 2529°F12°F58°F 2019-23°F 200020%15%
Dec 2629°F12°F46°F 2016-11°F 199620%15%
Dec 2728°F12°F51°F 2018-14°F 201720%15%
Dec 2828°F12°F56°F 20022°F 200920%15%
Dec 2928°F11°F53°F 1999-5°F 201320%15%
Dec 3028°F11°F58°F 2004-10°F 201320%15%
Dec 3128°F11°F53°F 2004-22°F 201719%15%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Gladbrook, 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 7:20 AM, sunset 4:40 PM
December 31
sunrise 7:39 AM, sunset 4:49 PM

Every day of December: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00133487 (Grundy Ctr), public domain. Records: NOAA GHCN-Daily, station USW00094988, 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.