Mertzon climate

Mertzon Weather in January

NOAA 1991-2020 normals for Mertzon 12NNW, 20.2 km from Mertzon

Average highs run from 57°F on January 1 to 61°F on January 31, and lows from 29°F to 31°F. Normal precipitation for the month is 0.89 in.

January day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Mertzon, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

January at a glance

Average high
58°F
Average low
29°F
Precipitation
0.89 in
Record high
86°FJan 4, 2006
Record low
6°FJan 17, 2018
Chance of a freeze
100%
Daylight
10 h 10 min to 10 h 42 min
Cloud cover
50%
Humidity
60%
Dew point
29°F
Wind
11.2 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 157°F29°F80°F 200615°F 20180%
Jan 257°F29°F81°F 200614°F 20180%
Jan 357°F29°F80°F 200414°F 20220%
Jan 457°F29°F86°F 200616°F 20220%
Jan 557°F29°F77°F 194818°F 20100%
Jan 657°F29°F81°F 202615°F 20140%
Jan 757°F29°F79°F 202311°F 20170%
Jan 857°F29°F83°F 202613°F 20140%
Jan 957°F29°F82°F 20068°F 20100%
Jan 1057°F29°F83°F 200912°F 20100%
Jan 1157°F29°F83°F 202316°F 20100%
Jan 1257°F29°F83°F 201719°F 20180%
Jan 1357°F29°F79°F 200621°F 20180%
Jan 1458°F29°F72°F 200413°F 20240%
Jan 1558°F29°F81°F 20209°F 20240%
Jan 1658°F29°F72°F 202612°F 20240%
Jan 1758°F29°F76°F 20126°F 20180%
Jan 1858°F29°F79°F 202317°F 20180%
Jan 1958°F29°F78°F 201922°F 20250%
Jan 2058°F30°F79°F 201218°F 20250%
Jan 2159°F30°F82°F 201210°F 20220%
Jan 2259°F30°F78°F 200916°F 20220%
Jan 2359°F30°F83°F 200918°F 20180%
Jan 2459°F30°F82°F 200913°F 20260%
Jan 2559°F30°F84°F 20179°F 20260%
Jan 2660°F30°F76°F 20058°F 20260%
Jan 2760°F30°F76°F 201412°F 20260%
Jan 2860°F30°F80°F 202011°F 19480%
Jan 2960°F31°F80°F 201511°F 20140%
Jan 3061°F31°F78°F 201112°F 20140%
Jan 3161°F31°F83°F 201620°F 20090%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Mertzon, in percent, and of at least 0.1 inch of snowfall.00.21102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CST).

January 1
sunrise 7:42 AM, sunset 5:52 PM
January 31
sunrise 7:36 AM, sunset 6:18 PM

Every day of January: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00415861 (Mertzon 12NNW), public domain. Records: NOAA GHCN-Daily, station USC00417944, 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.