Union County climate

Union County Weather in March

NOAA 1991-2020 normals for Jt Myers Locks & Dam, 15.7 km from Union County

Average highs run from 51°F on March 1 to 63°F on March 31, and lows from 32°F to 41°F. Normal precipitation for the month is 4.48 in over about 11 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 Union County, in °F, with the record for each date.-20020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

March at a glance

Average high
56°F
Average low
37°F
Precipitation
4.48 in
Snowfall
0.7 in
Record high
88°FMar 26, 2007
Record low
-2°FMar 6, 2015
Chance of a freeze
99%
Daylight
11 h 23 min to 12 h 36 min
Cloud cover
66%
Humidity
81%
Dew point
40°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
Mar 151°F32°F73°F 20069°F 198032%3%
Mar 251°F32°F80°F 20066°F 198032%3%
Mar 351°F32°F80°F 19835°F 198032%2%
Mar 452°F33°F82°F 198311°F 200232%2%
Mar 552°F33°F81°F 202411°F 201932%2%
Mar 652°F33°F77°F 1994-2°F 201532%2%
Mar 753°F34°F78°F 20236°F 201533%2%
Mar 853°F34°F82°F 200010°F 199633%2%
Mar 953°F34°F82°F 200014°F 198433%2%
Mar 1054°F35°F81°F 199013°F 199633%2%
Mar 1154°F35°F79°F 199017°F 199833%2%
Mar 1255°F35°F78°F 200610°F 199833%1%
Mar 1355°F36°F80°F 199018°F 200433%1%
Mar 1455°F36°F81°F 201222°F 201334%1%
Mar 1556°F36°F84°F 201219°F 199334%1%
Mar 1656°F37°F79°F 199519°F 201734%1%
Mar 1757°F37°F78°F 198919°F 201734%1%
Mar 1857°F37°F81°F 201223°F 199334%1%
Mar 1958°F38°F81°F 199521°F 198834%1%
Mar 2058°F38°F85°F 201224°F 198134%1%
Mar 2158°F38°F86°F 201220°F 198634%1%
Mar 2259°F39°F84°F 201218°F 198634%1%
Mar 2359°F39°F82°F 198722°F 200634%1%
Mar 2460°F39°F80°F 200724°F 198334%0%
Mar 2560°F40°F86°F 200719°F 198334%0%
Mar 2661°F40°F88°F 200719°F 200134%0%
Mar 2761°F40°F85°F 200721°F 200134%0%
Mar 2861°F40°F83°F 200418°F 198334%0%
Mar 2962°F41°F84°F 200430°F 198234%0%
Mar 3062°F41°F86°F 198626°F 198334%0%
Mar 3163°F41°F86°F 198625°F 200334%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Union 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 (CDT).

March 1
sunrise 6:23 AM, sunset 5:46 PM
March 31
sunrise 6:38 AM, sunset 7:14 PM

Every day of March: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00128967 (Jt Myers Locks & Dam), public domain. Records: NOAA GHCN-Daily, station USC00156595, 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.