Irion County climate

Irion County Weather in March

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

Average highs run from 66°F on March 1 to 76°F on March 31, and lows from 36°F to 45°F. Normal precipitation for the month is 1.52 in.

March 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.020406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

March at a glance

Average high
71°F
Average low
41°F
Precipitation
1.52 in
Record high
101°FMar 22, 2026
Record low
13°FMar 11, 1948
Chance of a freeze
98%
Days of 90°F or more
1.2
Daylight
11 h 31 min to 12 h 29 min
Cloud cover
53%
Humidity
52%
Dew point
37°F
Wind
12.5 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
Mar 166°F36°F90°F 202622°F 20150%
Mar 266°F36°F95°F 200624°F 20130%
Mar 367°F37°F87°F 202316°F 20140%
Mar 467°F37°F90°F 202617°F 20140%
Mar 567°F37°F88°F 200914°F 20190%
Mar 667°F37°F90°F 200921°F 20150%
Mar 768°F38°F88°F 202625°F 20110%
Mar 868°F38°F86°F 202321°F 20080%
Mar 968°F38°F80°F 201123°F 20080%
Mar 1068°F39°F88°F 202616°F 19480%
Mar 1169°F39°F93°F 202613°F 19480%
Mar 1269°F39°F92°F 202313°F 19480%
Mar 1369°F40°F91°F 200624°F 20220%
Mar 1470°F40°F89°F 202626°F 20060%
Mar 1570°F40°F94°F 202630°F 20180%
Mar 1670°F41°F87°F 202630°F 20220%
Mar 1771°F41°F93°F 201324°F 20050%
Mar 1871°F41°F89°F 201128°F 20140%
Mar 1971°F42°F92°F 202530°F 20210%
Mar 2072°F42°F91°F 202630°F 20160%
Mar 2172°F42°F97°F 202628°F 20100%
Mar 2272°F42°F101°F 202627°F 20100%
Mar 2373°F43°F99°F 202628°F 20100%
Mar 2473°F43°F87°F 201623°F 20060%
Mar 2573°F43°F93°F 202627°F 20060%
Mar 2674°F44°F95°F 201830°F 20130%
Mar 2774°F44°F94°F 202229°F 20130%
Mar 2875°F44°F95°F 202231°F 20240%
Mar 2975°F44°F96°F 202227°F 20090%
Mar 3075°F45°F92°F 201524°F 20030%
Mar 3176°F45°F93°F 201226°F 20030%

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).

March 1
sunrise 7:11 AM, sunset 6:42 PM
March 31
sunrise 7:34 AM, sunset 8:03 PM

Every day of March: 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.