Decatur climate

Decatur Weather in March

NOAA 1991-2020 normals for Atlanta Peachtree AP, 11.1 km from Decatur

Average highs run from 60°F on March 1 to 69°F on March 31, and lows from 39°F to 45°F. Normal precipitation for the month is 4.70 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 Decatur, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

March at a glance

Average high
64°F
Average low
42°F
Precipitation
4.70 in
Snowfall
0.4 in
Record high
90°FMar 25, 2007
Record low
20°FMar 1, 2002
Chance of a freeze
93%
Daylight
11 h 28 min to 12 h 31 min
Cloud cover
62%
Humidity
81%
Dew point
45°F
Wind
6.9 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 160°F39°F79°F 201720°F 200237%1%
Mar 260°F39°F76°F 201226°F 200937%1%
Mar 361°F39°F78°F 202222°F 200937%1%
Mar 461°F40°F77°F 202622°F 200236%1%
Mar 561°F40°F80°F 202621°F 200236%1%
Mar 662°F40°F85°F 202625°F 201036%1%
Mar 762°F40°F84°F 202625°F 201536%1%
Mar 862°F41°F80°F 200029°F 200136%1%
Mar 962°F41°F80°F 200928°F 200836%0%
Mar 1063°F41°F83°F 202627°F 200136%0%
Mar 1163°F41°F84°F 202628°F 200236%0%
Mar 1263°F41°F83°F 200626°F 202236%0%
Mar 1364°F42°F80°F 200321°F 202236%0%
Mar 1464°F42°F81°F 201227°F 201436%0%
Mar 1564°F42°F85°F 201627°F 201736%0%
Mar 1664°F42°F82°F 201225°F 201736%0%
Mar 1765°F42°F84°F 200229°F 202636%0%
Mar 1865°F43°F82°F 201229°F 202636%0%
Mar 1965°F43°F83°F 201229°F 202336%0%
Mar 2066°F43°F82°F 201225°F 202335%0%
Mar 2166°F43°F85°F 201728°F 202335%0%
Mar 2266°F44°F86°F 202627°F 200235%0%
Mar 2366°F44°F81°F 202627°F 200235%0%
Mar 2467°F44°F85°F 200733°F 200235%0%
Mar 2567°F44°F90°F 200727°F 200835%0%
Mar 2667°F44°F82°F 201229°F 201435%0%
Mar 2768°F45°F86°F 202629°F 200636%0%
Mar 2868°F45°F83°F 200729°F 200136%0%
Mar 2968°F45°F83°F 201725°F 201536%0%
Mar 3068°F45°F84°F 199835°F 200936%0%
Mar 3169°F45°F87°F 202631°F 200336%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Decatur, 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 7:06 AM, sunset 6:34 PM
March 31
sunrise 7:26 AM, sunset 7:57 PM

Every day of March: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00053863 (Atlanta Peachtree AP), public domain. Records: NOAA GHCN-Daily, station USW00053863, 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.