Suwanee climate

Suwanee Weather in March

NOAA 1991-2020 normals for Cumming 2N, 20.3 km from Suwanee

Average highs run from 59°F on March 1 to 67°F on March 31, and lows from 37°F to 43°F. Normal precipitation for the month is 5.16 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 Suwanee, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

March at a glance

Average high
63°F
Average low
40°F
Precipitation
5.16 in
Snowfall
0.3 in
Record high
87°FMar 10, 1974
Record low
5°FMar 3, 1980
Chance of a freeze
94%
Daylight
11 h 28 min to 12 h 31 min
Cloud cover
59%
Humidity
80%
Dew point
45°F
Wind
5.6 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 159°F37°F77°F 197615°F 199337%1%
Mar 260°F37°F80°F 197619°F 198037%1%
Mar 360°F37°F80°F 19925°F 198037%1%
Mar 460°F37°F82°F 197615°F 196036%1%
Mar 560°F38°F79°F 19768°F 196036%1%
Mar 661°F38°F80°F 19748°F 196036%1%
Mar 761°F38°F81°F 197418°F 196036%1%
Mar 861°F38°F83°F 197416°F 196036%1%
Mar 961°F38°F84°F 197412°F 199636%1%
Mar 1061°F39°F87°F 197416°F 199635%1%
Mar 1162°F39°F85°F 197419°F 199835%1%
Mar 1262°F39°F86°F 196719°F 199835%1%
Mar 1362°F39°F86°F 196718°F 199835%0%
Mar 1462°F40°F83°F 200611°F 199335%0%
Mar 1563°F40°F82°F 197311°F 199335%0%
Mar 1663°F40°F78°F 196718°F 197034%0%
Mar 1763°F40°F84°F 196326°F 196234%0%
Mar 1863°F40°F85°F 200221°F 196734%0%
Mar 1964°F41°F83°F 196319°F 197834%0%
Mar 2064°F41°F82°F 198226°F 196034%0%
Mar 2164°F41°F82°F 200217°F 196534%0%
Mar 2264°F41°F83°F 199521°F 196533%0%
Mar 2365°F41°F85°F 199522°F 196033%0%
Mar 2465°F42°F83°F 199525°F 196033%0%
Mar 2565°F42°F80°F 196725°F 196633%0%
Mar 2666°F42°F81°F 198927°F 197233%0%
Mar 2766°F42°F84°F 199126°F 196933%0%
Mar 2866°F42°F84°F 199426°F 196633%0%
Mar 2967°F42°F84°F 198927°F 196632%0%
Mar 3067°F43°F84°F 199822°F 196432%0%
Mar 3167°F43°F85°F 196323°F 196432%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Suwanee, 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 7:05 AM, sunset 6:33 PM
March 31
sunrise 7:25 AM, sunset 7:56 PM

Every day of March: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00092408 (Cumming 2N), public domain. Records: NOAA GHCN-Daily, station USC00099466, 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.