Jay County climate

Jay County Weather in January

NOAA 1991-2020 normals for Portland 1 Sw, 2.5 km from Jay County

Average highs run from 35°F on January 1 to 34°F on January 31, and lows from 19°F to 16°F. Normal precipitation for the month is 2.82 in over about 10 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 Jay 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
34°F
Average low
17°F
Precipitation
2.82 in
Snowfall
6.4 in
Record high
65°FJan 8, 2008
Record low
-29°FJan 20, 1985
Chance of a freeze
100%
Daylight
9 h 21 min to 10 h 07 min
Cloud cover
74%
Humidity
87%
Dew point
22°F
Wind
12.8 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 135°F19°F61°F 1985-11°F 197731%10%
Jan 235°F19°F60°F 1985-15°F 201832%10%
Jan 335°F19°F59°F 2000-15°F 201832%10%
Jan 434°F19°F62°F 2023-12°F 199632%10%
Jan 534°F18°F64°F 1997-11°F 199932%11%
Jan 634°F18°F58°F 1998-11°F 199932%11%
Jan 734°F18°F58°F 1998-13°F 201432%11%
Jan 834°F18°F65°F 2008-13°F 201432%11%
Jan 934°F18°F61°F 2026-10°F 198132%11%
Jan 1034°F18°F59°F 2020-15°F 198232%11%
Jan 1134°F17°F60°F 2020-15°F 197932%12%
Jan 1234°F17°F60°F 2017-15°F 197932%12%
Jan 1334°F17°F65°F 2005-20°F 197732%12%
Jan 1433°F17°F64°F 1995-7°F 199732%12%
Jan 1533°F17°F56°F 1995-12°F 198231%12%
Jan 1633°F17°F51°F 2006-16°F 197731%12%
Jan 1733°F17°F57°F 1990-20°F 197731%12%
Jan 1833°F16°F59°F 1990-20°F 197731%12%
Jan 1933°F16°F62°F 1996-24°F 199431%12%
Jan 2033°F16°F56°F 2023-29°F 198531%12%
Jan 2133°F16°F54°F 2017-23°F 198531%12%
Jan 2233°F16°F62°F 2017-9°F 198431%12%
Jan 2334°F16°F61°F 2017-10°F 201431%12%
Jan 2434°F16°F62°F 1999-10°F 201431%12%
Jan 2534°F16°F54°F 1990-11°F 200031%12%
Jan 2634°F16°F55°F 1989-6°F 198231%12%
Jan 2734°F16°F54°F 2018-15°F 200031%12%
Jan 2834°F16°F62°F 1999-17°F 201431%12%
Jan 2934°F16°F62°F 2002-16°F 200031%12%
Jan 3034°F16°F65°F 2013-10°F 202631%12%
Jan 3134°F16°F56°F 2016-14°F 201931%12%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Jay County, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EST).

January 1
sunrise 8:03 AM, sunset 5:24 PM
January 31
sunrise 7:50 AM, sunset 5:57 PM

Every day of January: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00127069 (Portland 1 Sw), public domain. Records: NOAA GHCN-Daily, station USC00127069, 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.