Byrnes Mill climate

Byrnes Mill Weather in January

NOAA 1991-2020 normals for Festus, 27.9 km from Byrnes Mill

Average highs run from 41°F on January 1 to 43°F on January 31, and lows from 23°F to 23°F. Normal precipitation for the month is 2.68 in over about 8 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 Byrnes Mill, in °F, with the record for each date.-20020406080151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

January at a glance

Average high
41°F
Average low
22°F
Precipitation
2.68 in
Snowfall
2.1 in
Record high
76°FJan 28, 2002
Record low
-16°FJan 5, 1999
Chance of a freeze
100%
Daylight
9 h 32 min to 10 h 16 min
Cloud cover
64%
Humidity
83%
Dew point
24°F
Wind
7.6 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.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Jan 141°F23°F66°F 2005-6°F 201826%5%
Jan 241°F23°F71°F 2004-10°F 200126%5%
Jan 341°F23°F70°F 2023-5°F 200126%5%
Jan 441°F23°F63°F 1993-8°F 199926%5%
Jan 541°F23°F66°F 2012-16°F 199926%6%
Jan 641°F23°F74°F 2008-11°F 201426%6%
Jan 741°F23°F74°F 2008-11°F 201426%6%
Jan 841°F23°F72°F 2006-1°F 198826%6%
Jan 941°F22°F67°F 2026-1°F 201026%6%
Jan 1041°F22°F67°F 2017-7°F 201026%6%
Jan 1140°F22°F71°F 201712°F 200325%6%
Jan 1240°F22°F70°F 20057°F 201125%6%
Jan 1340°F22°F64°F 20260°F 202425%6%
Jan 1440°F22°F65°F 2016-8°F 202425%6%
Jan 1541°F22°F69°F 1990-4°F 202425%6%
Jan 1641°F22°F72°F 1990-5°F 202424%6%
Jan 1741°F22°F67°F 2012-1°F 200524%6%
Jan 1841°F22°F58°F 1989-11°F 199424%6%
Jan 1941°F22°F68°F 2006-11°F 199424%6%
Jan 2041°F22°F63°F 20060°F 202424%6%
Jan 2141°F22°F70°F 2017-9°F 201124%6%
Jan 2241°F22°F61°F 19896°F 200324%6%
Jan 2341°F22°F71°F 2002-8°F 200324%6%
Jan 2441°F22°F63°F 1989-8°F 200323%6%
Jan 2541°F22°F65°F 20180°F 202623%5%
Jan 2642°F22°F64°F 2002-13°F 202623%5%
Jan 2742°F22°F68°F 20026°F 200323%5%
Jan 2842°F22°F76°F 20022°F 200423%6%
Jan 2942°F22°F72°F 20081°F 201423%6%
Jan 3042°F22°F67°F 2012-4°F 201923%6%
Jan 3143°F23°F74°F 19890°F 202623%6%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Byrnes Mill, in percent, and of at least 0.1 inch of snowfall.01020301102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CST).

January 1
sunrise 7:20 AM, sunset 4:52 PM
January 31
sunrise 7:08 AM, sunset 5:24 PM

Every day of January: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00232850 (Festus), public domain. Records: NOAA GHCN-Daily, station USW00003966, 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.