Irion County climate

Irion County Weather in October

NOAA 1991-2020 normals for Mertzon 12NNW, 17.7 km from Irion County

Average highs run from 84°F on October 1 to 73°F on October 31, and lows from 57°F to 44°F. Normal precipitation for the month is 2.17 in.

October day by day

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

Normal daily high and low temperature at Irion County, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

October at a glance

Average high
80°F
Average low
51°F
Precipitation
2.17 in
Record high
102°FOct 12, 2020
Record low
22°FOct 31, 2019
Chance of a freeze
34%
Days of 90°F or more
4.3
Daylight
11 h 51 min to 10 h 57 min
Cloud cover
39%
Humidity
58%
Dew point
48°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
Oct 184°F57°F95°F 202143°F 20200%
Oct 284°F57°F96°F 201445°F 20200%
Oct 384°F56°F95°F 201448°F 20220%
Oct 484°F56°F94°F 200748°F 20100%
Oct 583°F56°F92°F 200547°F 20100%
Oct 683°F55°F95°F 201944°F 20130%
Oct 783°F55°F96°F 201944°F 20050%
Oct 883°F54°F97°F 201436°F 20120%
Oct 982°F54°F94°F 201735°F 20120%
Oct 1082°F54°F94°F 201742°F 20090%
Oct 1182°F53°F100°F 202037°F 20190%
Oct 1281°F53°F102°F 202038°F 20190%
Oct 1381°F52°F96°F 202444°F 20190%
Oct 1481°F52°F98°F 202441°F 20100%
Oct 1580°F52°F96°F 202038°F 20180%
Oct 1680°F51°F93°F 202438°F 20180%
Oct 1780°F51°F93°F 201436°F 20170%
Oct 1879°F50°F96°F 201137°F 20210%
Oct 1979°F50°F95°F 201640°F 20070%
Oct 2078°F49°F90°F 201639°F 20120%
Oct 2178°F49°F95°F 201940°F 20160%
Oct 2277°F48°F90°F 200738°F 20190%
Oct 2377°F48°F90°F 200333°F 20080%
Oct 2477°F47°F92°F 202434°F 20080%
Oct 2576°F47°F92°F 202131°F 20050%
Oct 2676°F47°F95°F 202131°F 20050%
Oct 2775°F46°F89°F 201428°F 20200%
Oct 2875°F46°F91°F 202429°F 20200%
Oct 2974°F45°F89°F 202429°F 20170%
Oct 3074°F45°F86°F 201630°F 20110%
Oct 3173°F44°F90°F 202422°F 20190%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Irion County, 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 (CDT).

October 1
sunrise 7:38 AM, sunset 7:29 PM
October 31
sunrise 7:59 AM, sunset 6:56 PM

Every day of October: 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.