Seymour climate

Seymour Weather in January

NOAA 1991-2020 normals for Mansfield, 17.4 km from Seymour

Average highs run from 42°F on January 1 to 43°F on January 31, and lows from 23°F to 22°F. Normal precipitation for the month is 2.73 in over about 7 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 Seymour, in °F, with the record for each date.-20020406080151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

January at a glance

Average high
42°F
Average low
21°F
Precipitation
2.73 in
Snowfall
2.2 in
Record high
76°FJan 24, 1950
Record low
-13°FJan 19, 1984
Chance of a freeze
100%
Daylight
9 h 40 min to 10 h 20 min
Cloud cover
63%
Humidity
85%
Dew point
27°F
Wind
8.3 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 142°F23°F70°F 1965-5°F 197423%4%
Jan 242°F23°F71°F 1997-6°F 200123%4%
Jan 342°F22°F72°F 2004-2°F 197023%4%
Jan 442°F22°F66°F 1997-7°F 195923%4%
Jan 542°F22°F69°F 1956-5°F 195923%4%
Jan 641°F22°F71°F 2008-10°F 201423%4%
Jan 741°F22°F75°F 1965-9°F 201423%4%
Jan 841°F22°F68°F 2003-12°F 197923%5%
Jan 941°F22°F69°F 1963-5°F 197723%5%
Jan 1041°F21°F69°F 1990-11°F 198223%5%
Jan 1141°F21°F74°F 2017-8°F 196223%5%
Jan 1241°F21°F69°F 1960-10°F 199722%5%
Jan 1341°F21°F69°F 1996-9°F 199722%5%
Jan 1441°F21°F70°F 1952-12°F 197922%5%
Jan 1541°F21°F68°F 1990-7°F 197922%5%
Jan 1641°F21°F70°F 1952-11°F 197722%5%
Jan 1741°F21°F68°F 1952-12°F 197822%5%
Jan 1841°F21°F68°F 1974-12°F 198422%5%
Jan 1941°F21°F72°F 1951-13°F 198422%5%
Jan 2041°F21°F69°F 1986-13°F 198522%5%
Jan 2142°F21°F72°F 2018-8°F 198422%5%
Jan 2242°F21°F74°F 1967-1°F 195922%5%
Jan 2342°F21°F72°F 1964-10°F 196322%5%
Jan 2442°F21°F76°F 1950-10°F 196322%5%
Jan 2542°F21°F75°F 1950-7°F 202622%5%
Jan 2642°F21°F68°F 1944-11°F 202622%5%
Jan 2742°F21°F66°F 1999-7°F 196322%5%
Jan 2842°F21°F74°F 2013-4°F 194823%5%
Jan 2942°F22°F74°F 1947-12°F 197923%5%
Jan 3043°F22°F69°F 2016-5°F 196623%5%
Jan 3143°F22°F73°F 1989-5°F 197923%5%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Seymour, 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 7:25 AM, sunset 5:05 PM
January 31
sunrise 7:15 AM, sunset 5:35 PM

Every day of January: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00235227 (Mansfield), public domain. Records: NOAA GHCN-Daily, station USW00013995, 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.