Roby climate

Roby Weather in January

NOAA 1991-2020 normals for Rotan, 14.5 km from Roby

Average highs run from 55°F on January 1 to 58°F on January 31, and lows from 33°F to 35°F. Normal precipitation for the month is 0.95 in over about 3 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 Roby, in °F, with the record for each date.-20020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

January at a glance

Average high
56°F
Average low
34°F
Precipitation
0.95 in
Snowfall
0.4 in
Record high
88°FJan 25, 1952
Record low
-11°FJan 5, 1947
Chance of a freeze
100%
Daylight
10 h 03 min to 10 h 36 min
Cloud cover
49%
Humidity
60%
Dew point
28°F
Wind
10.7 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 155°F33°F79°F 20065°F 20189%2%
Jan 255°F33°F81°F 19973°F 19799%2%
Jan 355°F33°F81°F 1997-1°F 19479%2%
Jan 455°F33°F83°F 2006-7°F 19479%2%
Jan 555°F33°F78°F 1956-11°F 19479%2%
Jan 655°F33°F77°F 20267°F 20149%2%
Jan 756°F33°F77°F 20238°F 19519%2%
Jan 856°F33°F78°F 20266°F 19429%1%
Jan 956°F33°F80°F 19576°F 19779%1%
Jan 1056°F33°F79°F 19536°F 19629%1%
Jan 1156°F33°F79°F 20230°F 19829%1%
Jan 1256°F33°F81°F 20171°F 19739%1%
Jan 1356°F33°F78°F 20005°F 19639%1%
Jan 1456°F33°F80°F 19808°F 20249%1%
Jan 1556°F33°F78°F 20226°F 19729%1%
Jan 1656°F33°F81°F 19386°F 20249%1%
Jan 1756°F33°F82°F 19745°F 19829%1%
Jan 1856°F33°F78°F 19747°F 19409%1%
Jan 1957°F33°F78°F 19511°F 19409%1%
Jan 2057°F33°F84°F 20002°F 19439%1%
Jan 2157°F34°F84°F 19748°F 195910%1%
Jan 2257°F34°F85°F 19436°F 196610%1%
Jan 2357°F34°F86°F 19438°F 194010%1%
Jan 2457°F34°F83°F 19505°F 196310%1%
Jan 2557°F34°F88°F 19525°F 194010%1%
Jan 2658°F34°F82°F 19534°F 202610%1%
Jan 2758°F34°F83°F 19754°F 202610%1%
Jan 2858°F34°F81°F 19507°F 194810%1%
Jan 2958°F34°F80°F 19675°F 195110%1%
Jan 3058°F34°F81°F 19674°F 196611%1%
Jan 3158°F35°F81°F 19636°F 198511%1%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Roby, in percent, and of at least 0.1 inch of snowfall.02.557.51012.51102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CST).

January 1
sunrise 7:44 AM, sunset 5:47 PM
January 31
sunrise 7:37 AM, sunset 6:13 PM

Every day of January: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00417782 (Rotan), public domain. Records: NOAA GHCN-Daily, station USC00417743, 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.