Harris County climate

Harris County Weather in March

NOAA 1991-2020 normals for Columbus Metro AP, 24.6 km from Harris County

Average highs run from 67°F on March 1 to 74°F on March 31, and lows from 44°F to 50°F. Normal precipitation for the month is 4.92 in over about 9 wet days.

March day by day

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

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

March at a glance

Average high
70°F
Average low
47°F
Precipitation
4.92 in
Snowfall
0.2 in
Record high
91°FMar 23, 2026
Record low
15°FMar 3, 2006
Chance of a freeze
62%
Daylight
11 h 30 min to 12 h 30 min
Cloud cover
56%
Humidity
80%
Dew point
49°F
Wind
4.9 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 167°F44°F81°F 202323°F 200231%0%
Mar 267°F45°F81°F 201729°F 200531%0%
Mar 367°F45°F79°F 202215°F 200631%0%
Mar 468°F45°F82°F 202224°F 200231%0%
Mar 568°F45°F82°F 202221°F 200231%0%
Mar 668°F45°F82°F 202222°F 200231%0%
Mar 768°F46°F85°F 202628°F 201930%0%
Mar 869°F46°F84°F 202332°F 200130%0%
Mar 969°F46°F80°F 200029°F 201830%0%
Mar 1069°F46°F82°F 202631°F 200130%0%
Mar 1169°F46°F82°F 200925°F 199830%0%
Mar 1270°F47°F83°F 200923°F 199830%0%
Mar 1370°F47°F83°F 200623°F 199830%0%
Mar 1470°F47°F83°F 200617°F 202630%0%
Mar 1570°F47°F85°F 202028°F 199830%0%
Mar 1671°F47°F85°F 201227°F 201729%0%
Mar 1771°F48°F84°F 201227°F 201729%0%
Mar 1871°F48°F84°F 201229°F 202629%0%
Mar 1971°F48°F85°F 200234°F 202329%0%
Mar 2071°F48°F86°F 201128°F 201729%0%
Mar 2172°F48°F85°F 201228°F 202329%0%
Mar 2272°F48°F87°F 201732°F 200229%0%
Mar 2372°F49°F91°F 202626°F 202529%0%
Mar 2472°F49°F84°F 202632°F 200229%0%
Mar 2573°F49°F85°F 200732°F 200229%0%
Mar 2673°F49°F90°F 200721°F 200629%0%
Mar 2773°F49°F90°F 200724°F 202529%0%
Mar 2873°F50°F85°F 202332°F 201329%0%
Mar 2973°F50°F84°F 200735°F 201329%0%
Mar 3074°F50°F88°F 200719°F 200529%0%
Mar 3174°F50°F87°F 200231°F 200329%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Harris County, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

March 1
sunrise 7:07 AM, sunset 6:37 PM
March 31
sunrise 7:29 AM, sunset 7:59 PM

Every day of March: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00093842 (Columbus Metro AP), public domain. Records: NOAA GHCN-Daily, station USC00096148, 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.