Union County climate

Union County Weather in March

NOAA 1991-2020 normals for Calion L&d, 18.4 km from Union County

Average highs run from 63°F on March 1 to 72°F on March 31, and lows from 39°F to 46°F. Normal precipitation for the month is 5.11 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 Union County, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

March at a glance

Average high
67°F
Average low
43°F
Precipitation
5.11 in
Snowfall
0.1 in
Record high
99°FMar 20, 1927
Record low
11°FMar 18, 1892
Chance of a freeze
83%
Daylight
11 h 29 min to 12 h 31 min
Cloud cover
61%
Humidity
82%
Dew point
49°F
Wind
4.5 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 163°F39°F85°F 191818°F 196830%0%
Mar 263°F39°F83°F 201216°F 198030%0%
Mar 364°F39°F84°F 191613°F 194330%0%
Mar 464°F40°F86°F 191614°F 200230%0%
Mar 564°F40°F84°F 191619°F 197830%0%
Mar 664°F40°F86°F 191819°F 201530%0%
Mar 765°F41°F87°F 192518°F 194330%0%
Mar 865°F41°F87°F 191119°F 194330%0%
Mar 965°F41°F88°F 200014°F 199630%0%
Mar 1066°F41°F90°F 191117°F 199630%0%
Mar 1166°F42°F89°F 195519°F 196930%0%
Mar 1266°F42°F90°F 191120°F 194830%0%
Mar 1367°F42°F87°F 202521°F 193229%0%
Mar 1467°F42°F87°F 191819°F 199329%0%
Mar 1567°F43°F87°F 197722°F 198829%0%
Mar 1668°F43°F86°F 194525°F 189229%0%
Mar 1768°F43°F87°F 190815°F 189229%0%
Mar 1868°F43°F89°F 190811°F 189229%0%
Mar 1968°F44°F91°F 190813°F 189228%0%
Mar 2069°F44°F99°F 192717°F 196528%0%
Mar 2169°F44°F89°F 202617°F 196528%0%
Mar 2269°F44°F89°F 199524°F 191528%0%
Mar 2370°F45°F91°F 199528°F 191528%0%
Mar 2470°F45°F90°F 191025°F 196827%0%
Mar 2570°F45°F90°F 202526°F 196627%0%
Mar 2670°F45°F90°F 202022°F 195527%0%
Mar 2771°F45°F90°F 202020°F 195527%0%
Mar 2871°F46°F90°F 200028°F 193727%0%
Mar 2971°F46°F88°F 190726°F 195527%0%
Mar 3071°F46°F90°F 194630°F 196427%0%
Mar 3172°F46°F91°F 197424°F 198727%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 6:38 AM, sunset 6:07 PM
March 31
sunrise 6:59 AM, sunset 7:30 PM

Every day of March: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00031140 (Calion L&d), public domain. Records: NOAA GHCN-Daily, station USW00093992, 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.