Grayson climate

Grayson Weather in January

NOAA 1991-2020 normals for Grayson 2 E, 3.5 km from Grayson

Average highs run from 44°F on January 1 to 44°F on January 31, and lows from 24°F to 21°F. Normal precipitation for the month is 3.25 in over about 13 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 Grayson, in °F, with the record for each date.-50-250255075100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

January at a glance

Average high
43°F
Average low
22°F
Precipitation
3.25 in
Snowfall
5.9 in
Record high
80°FJan 26, 1950
Record low
-25°FJan 19, 1994
Chance of a freeze
100%
Daylight
9 h 33 min to 10 h 15 min
Cloud cover
74%
Humidity
86%
Dew point
27°F
Wind
5.6 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 144°F24°F79°F 19522°F 189945%14%
Jan 243°F23°F72°F 1985-3°F 201845%14%
Jan 343°F23°F75°F 1897-1°F 201845%14%
Jan 443°F23°F68°F 19502°F 201845%14%
Jan 543°F23°F71°F 1993-6°F 198845%14%
Jan 643°F23°F76°F 1946-14°F 198845%15%
Jan 743°F23°F71°F 1937-12°F 198844%15%
Jan 843°F22°F74°F 1937-7°F 194244%15%
Jan 943°F22°F75°F 1946-6°F 197644%15%
Jan 1043°F22°F67°F 2006-11°F 198244%15%
Jan 1143°F22°F66°F 1975-10°F 197844%15%
Jan 1243°F22°F77°F 2020-9°F 198244%15%
Jan 1343°F22°F72°F 1932-10°F 197744%15%
Jan 1443°F22°F79°F 2005-10°F 197744%15%
Jan 1543°F22°F71°F 1928-10°F 196444%16%
Jan 1643°F21°F73°F 1949-10°F 199444%16%
Jan 1743°F21°F68°F 1928-17°F 197744%16%
Jan 1843°F21°F71°F 1949-16°F 197744%16%
Jan 1943°F21°F76°F 1929-25°F 199444%16%
Jan 2043°F21°F72°F 1951-25°F 199443%16%
Jan 2143°F21°F70°F 1951-18°F 198543%17%
Jan 2243°F21°F74°F 1933-11°F 198543%17%
Jan 2343°F21°F77°F 1999-13°F 193643%17%
Jan 2443°F21°F77°F 1943-15°F 196343%17%
Jan 2543°F21°F78°F 1950-15°F 196343%17%
Jan 2643°F21°F80°F 1950-2°F 194843%17%
Jan 2743°F21°F73°F 1967-7°F 193643%17%
Jan 2843°F21°F70°F 1999-14°F 196343%17%
Jan 2944°F21°F70°F 1947-15°F 196343%17%
Jan 3044°F21°F73°F 1975-7°F 196343%17%
Jan 3144°F21°F65°F 1969-7°F 196643%17%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Grayson, in percent, and of at least 0.1 inch of snowfall.010203040501102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EST).

January 1
sunrise 7:49 AM, sunset 5:22 PM
January 31
sunrise 7:38 AM, sunset 5:53 PM

Every day of January: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00153389 (Grayson 2 E), public domain. Records: NOAA GHCN-Daily, station USC00150254, 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.