Olin climate

Olin Weather in December

NOAA 1991-2020 normals for Anamosa 3 Ssw, 16 km from Olin

Average highs run from 40°F on December 1 to 29°F on December 31, and lows from 23°F to 14°F. Normal precipitation for the month is 1.77 in.

December day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Olin, in °F, with the record for each date.-40-20020406080151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

December at a glance

Average high
34°F
Average low
18°F
Precipitation
1.77 in
Snowfall
9.1 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 140°F23°F60°F 1962-2°F 197115%
Dec 240°F23°F64°F 1962-3°F 198016%
Dec 339°F22°F64°F 1951-12°F 198516%
Dec 439°F22°F65°F 2012-7°F 202516%
Dec 538°F22°F69°F 1998-11°F 200517%
Dec 638°F22°F64°F 2001-9°F 197717%
Dec 737°F21°F54°F 1951-16°F 197618%
Dec 837°F21°F52°F 2024-11°F 200518%
Dec 937°F21°F52°F 1984-24°F 195818%
Dec 1036°F20°F56°F 1979-18°F 195819%
Dec 1136°F20°F64°F 1949-14°F 197219%
Dec 1235°F20°F57°F 1968-13°F 195819%
Dec 1335°F19°F59°F 2015-24°F 196120%
Dec 1434°F19°F61°F 2015-18°F 198520%
Dec 1534°F19°F57°F 2021-17°F 196120%
Dec 1634°F18°F69°F 2021-14°F 195121%
Dec 1733°F18°F54°F 1984-15°F 195321%
Dec 1833°F18°F53°F 1962-16°F 198321%
Dec 1933°F17°F53°F 2002-23°F 198521%
Dec 2032°F17°F54°F 1967-21°F 198522%
Dec 2132°F17°F57°F 1967-23°F 196322%
Dec 2232°F16°F52°F 1957-21°F 198922%
Dec 2331°F16°F55°F 1965-28°F 196022%
Dec 2431°F16°F55°F 2015-24°F 198922%
Dec 2531°F15°F58°F 1982-28°F 198323%
Dec 2630°F15°F55°F 2019-26°F 196223%
Dec 2730°F15°F52°F 1959-24°F 195123%
Dec 2830°F15°F55°F 1984-19°F 196123%
Dec 2930°F14°F64°F 1984-10°F 196323%
Dec 3029°F14°F57°F 2022-16°F 196323%
Dec 3129°F14°F60°F 1965-17°F 197623%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Olin, 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 USC00130214 (Anamosa 3 Ssw), 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.