Polk County climate

Polk County Weather in January

NOAA 1991-2020 normals for Ankeny, 8.2 km from Polk County

Average highs run from 30°F on January 1 to 30°F on January 31, and lows from 13°F to 12°F. Normal precipitation for the month is 0.97 in over about 6 wet days.

January day by day

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

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

January at a glance

Average high
30°F
Average low
12°F
Precipitation
0.97 in
Snowfall
6.2 in
Record high
67°FJan 6, 2012
Record low
-28°FJan 16, 2009
Chance of a freeze
100%
Daylight
9 h 14 min to 10 h 02 min
Cloud cover
65%
Humidity
84%
Dew point
17°F
Wind
11.9 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
Jan 130°F13°F55°F 2012-20°F 201821%12%
Jan 230°F13°F56°F 1998-21°F 201821%12%
Jan 330°F13°F56°F 2004-12°F 201421%12%
Jan 430°F13°F56°F 1998-15°F 195921%12%
Jan 530°F13°F60°F 1956-21°F 199921%12%
Jan 630°F12°F67°F 2012-21°F 199920%12%
Jan 730°F12°F58°F 2012-18°F 196820%12%
Jan 829°F12°F61°F 2003-18°F 196820%12%
Jan 929°F12°F66°F 2003-18°F 197720%13%
Jan 1029°F12°F58°F 2020-25°F 198220%13%
Jan 1129°F12°F60°F 2012-15°F 197720%13%
Jan 1229°F12°F56°F 1961-25°F 197420%13%
Jan 1329°F11°F61°F 1987-18°F 197420%13%
Jan 1429°F11°F63°F 1996-25°F 195720%14%
Jan 1529°F11°F49°F 2006-20°F 199420%14%
Jan 1629°F11°F58°F 2006-28°F 200920%14%
Jan 1729°F11°F57°F 1989-18°F 197720%14%
Jan 1829°F11°F59°F 1951-18°F 199420%14%
Jan 1929°F11°F54°F 2013-21°F 197020%14%
Jan 2029°F11°F51°F 2006-22°F 198520%14%
Jan 2129°F11°F55°F 1964-25°F 197020%14%
Jan 2229°F11°F53°F 1964-23°F 197020%15%
Jan 2329°F11°F56°F 1981-21°F 196320%15%
Jan 2429°F11°F60°F 1967-11°F 196120%15%
Jan 2530°F11°F58°F 1981-11°F 197220%15%
Jan 2630°F11°F60°F 2002-14°F 196320%15%
Jan 2730°F11°F66°F 2002-20°F 195520%15%
Jan 2830°F11°F66°F 2002-17°F 197220%15%
Jan 2930°F12°F57°F 2013-22°F 196620%15%
Jan 3030°F12°F56°F 1988-17°F 199121%15%
Jan 3130°F12°F66°F 2012-25°F 199621%15%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Polk 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).

January 1
sunrise 7:41 AM, sunset 4:55 PM
January 31
sunrise 7:27 AM, sunset 5:29 PM

Every day of January: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00130241 (Ankeny), public domain. Records: NOAA GHCN-Daily, station USC00130241, 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.