Green Valley climate

Green Valley Weather in March

NOAA 1991-2020 normals for Mason City 4SE, 27.1 km from Green Valley

Average highs run from 43°F on March 1 to 58°F on March 31, and lows from 24°F to 35°F. Normal precipitation for the month is 2.49 in over about 8 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 Green Valley, in °F, with the record for each date.-20020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

March at a glance

Average high
51°F
Average low
30°F
Precipitation
2.49 in
Snowfall
1.7 in
Record high
87°FMar 26, 2026
Record low
-10°FMar 6, 1960
Chance of a freeze
100%
Daylight
11 h 18 min to 12 h 38 min
Cloud cover
67%
Humidity
78%
Dew point
33°F
Wind
12.3 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 143°F24°F74°F 1992-7°F 196225%7%
Mar 244°F25°F74°F 19761°F 201425%7%
Mar 344°F25°F78°F 1974-6°F 201425%7%
Mar 445°F25°F77°F 1961-6°F 197825%6%
Mar 545°F26°F75°F 2022-8°F 196025%6%
Mar 646°F26°F77°F 2026-10°F 196025%6%
Mar 746°F26°F78°F 20004°F 196025%6%
Mar 847°F27°F78°F 20000°F 199625%6%
Mar 947°F27°F76°F 20264°F 198225%6%
Mar 1048°F27°F83°F 20260°F 198425%5%
Mar 1148°F28°F79°F 19723°F 194825%5%
Mar 1249°F28°F80°F 1990-4°F 194825%5%
Mar 1349°F28°F78°F 20079°F 194826%5%
Mar 1450°F29°F82°F 20256°F 199326%5%
Mar 1550°F29°F81°F 201212°F 197926%4%
Mar 1651°F30°F80°F 194513°F 195126%4%
Mar 1751°F30°F78°F 20129°F 202626%4%
Mar 1852°F30°F81°F 20129°F 196026%4%
Mar 1952°F31°F81°F 20129°F 196526%4%
Mar 2053°F31°F81°F 20127°F 196527%4%
Mar 2153°F31°F82°F 20129°F 196027%3%
Mar 2254°F32°F77°F 199413°F 196027%3%
Mar 2354°F32°F80°F 199410°F 196027%3%
Mar 2455°F32°F80°F 20176°F 197428%3%
Mar 2555°F33°F78°F 20075°F 196028%3%
Mar 2656°F33°F87°F 20265°F 195528%3%
Mar 2756°F33°F81°F 194512°F 196529%2%
Mar 2857°F34°F83°F 198516°F 195529%2%
Mar 2957°F34°F86°F 198615°F 196929%2%
Mar 3058°F35°F83°F 198615°F 196430%2%
Mar 3158°F35°F84°F 198613°F 196930%2%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Green Valley, in percent, and of at least 0.1 inch of snowfall.01020301102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

March 1
sunrise 6:32 AM, sunset 5:50 PM
March 31
sunrise 6:44 AM, sunset 7:22 PM

Every day of March: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00115413 (Mason City 4SE), public domain. Records: NOAA GHCN-Daily, station USW00014842, 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.