Ottumwa Weather in January
Average highs run from 33°F on January 1 to 33°F on January 31, and lows from 16°F to 14°F. Normal precipitation for the month is 1.01 in over about 7 wet days.
January day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
January at a glance
- Average high
- 32°F
- Average low
- 14°F
- Precipitation
- 1.01 in
- Snowfall
- 7.1 in
- Record high
- 71°FJan 31, 1989
- Record low
- -23°FJan 10, 1982
- Chance of a freeze
- 100%
- Daylight
- 9 h 17 min to 10 h 05 min
- Cloud cover
- 65%
- Humidity
- 85%
- Dew point
- 18°F
- Wind
- 11.6 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.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Jan 1 | 33°F | 16°F | 56°F 2004 | -20°F 2018 | 23% | 14% |
| Jan 2 | 33°F | 15°F | 62°F 2004 | -19°F 2018 | 23% | 15% |
| Jan 3 | 33°F | 15°F | 56°F 1998 | -11°F 2014 | 23% | 15% |
| Jan 4 | 33°F | 15°F | 56°F 1997 | -15°F 1959 | 23% | 15% |
| Jan 5 | 32°F | 15°F | 65°F 2012 | -16°F 1999 | 23% | 15% |
| Jan 6 | 32°F | 15°F | 58°F 2012 | -14°F 2018 | 23% | 16% |
| Jan 7 | 32°F | 14°F | 62°F 2008 | -16°F 1968 | 23% | 16% |
| Jan 8 | 32°F | 14°F | 69°F 2003 | -13°F 1970 | 23% | 16% |
| Jan 9 | 32°F | 14°F | 62°F 2020 | -17°F 1982 | 23% | 16% |
| Jan 10 | 32°F | 14°F | 57°F 2012 | -23°F 1982 | 23% | 17% |
| Jan 11 | 32°F | 14°F | 55°F 1992 | -12°F 1962 | 23% | 17% |
| Jan 12 | 32°F | 14°F | 60°F 1960 | -22°F 1974 | 23% | 17% |
| Jan 13 | 32°F | 14°F | 59°F 1961 | -16°F 1963 | 23% | 17% |
| Jan 14 | 32°F | 13°F | 65°F 1952 | -21°F 1957 | 23% | 17% |
| Jan 15 | 32°F | 13°F | 59°F 1990 | -20°F 1979 | 23% | 17% |
| Jan 16 | 32°F | 13°F | 61°F 1990 | -20°F 2009 | 23% | 17% |
| Jan 17 | 32°F | 13°F | 59°F 1996 | -16°F 1982 | 23% | 17% |
| Jan 18 | 32°F | 13°F | 58°F 1951 | -16°F 1994 | 22% | 17% |
| Jan 19 | 32°F | 13°F | 60°F 1952 | -19°F 1970 | 22% | 17% |
| Jan 20 | 32°F | 13°F | 53°F 1968 | -21°F 1985 | 22% | 17% |
| Jan 21 | 32°F | 13°F | 63°F 1957 | -21°F 1970 | 22% | 17% |
| Jan 22 | 32°F | 13°F | 63°F 1967 | -12°F 1963 | 22% | 17% |
| Jan 23 | 32°F | 13°F | 54°F 1976 | -21°F 1963 | 23% | 17% |
| Jan 24 | 32°F | 13°F | 59°F 1967 | -10°F 1963 | 23% | 17% |
| Jan 25 | 32°F | 13°F | 60°F 1981 | -13°F 2019 | 23% | 17% |
| Jan 26 | 32°F | 13°F | 65°F 2002 | -11°F 1963 | 23% | 17% |
| Jan 27 | 32°F | 13°F | 63°F 2002 | -15°F 1963 | 23% | 16% |
| Jan 28 | 32°F | 14°F | 59°F 2008 | -17°F 1963 | 23% | 16% |
| Jan 29 | 32°F | 14°F | 61°F 2013 | -20°F 1966 | 23% | 16% |
| Jan 30 | 33°F | 14°F | 65°F 2012 | -21°F 2019 | 23% | 16% |
| Jan 31 | 33°F | 14°F | 71°F 1989 | -21°F 2019 | 23% | 16% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (CST).
- January 1
- sunrise 7:35 AM, sunset 4:52 PM
- January 31
- sunrise 7:21 AM, sunset 5:26 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00014950 (Ottumwa Industrial AP), public domain. Records: NOAA GHCN-Daily, station USW00014950, 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.