Gretna climate

Gretna Weather in May

NOAA 1991-2020 normals for Quincy 3 Ssw, 10.5 km from Gretna

Average highs run from 83°F on May 1 to 89°F on May 31, and lows from 58°F to 66°F. Normal precipitation for the month is 4.46 in.

May day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Gretna, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
86°F
Average low
62°F
Precipitation
4.46 in
Record high
99°FMay 24, 1996
Record low
30°FMay 2, 1997
Chance of a freeze
0%
Days of 90°F or more
7.7
Daylight
13 h 22 min to 13 h 59 min
Cloud cover
48%
Humidity
71%
Dew point
63°F
Wind
4.0 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
May 183°F58°F91°F 197045°F 19960%
May 283°F58°F92°F 199030°F 19970%
May 383°F58°F94°F 199047°F 19990%
May 484°F58°F91°F 200239°F 19710%
May 584°F59°F91°F 202142°F 19710%
May 684°F59°F93°F 200236°F 19970%
May 784°F59°F92°F 198446°F 20130%
May 885°F60°F93°F 198442°F 19920%
May 985°F60°F95°F 200047°F 20110%
May 1085°F60°F94°F 198640°F 19970%
May 1185°F61°F94°F 201144°F 20200%
May 1286°F61°F93°F 197343°F 19970%
May 1386°F61°F94°F 199847°F 19810%
May 1486°F62°F97°F 199837°F 19970%
May 1586°F62°F97°F 199833°F 19970%
May 1686°F62°F96°F 199845°F 19970%
May 1787°F63°F92°F 197748°F 19730%
May 1887°F63°F95°F 199842°F 20110%
May 1987°F63°F95°F 199847°F 20110%
May 2087°F64°F97°F 199846°F 20020%
May 2187°F64°F96°F 199846°F 19970%
May 2288°F64°F95°F 200051°F 19810%
May 2388°F64°F96°F 200050°F 19940%
May 2488°F65°F99°F 199657°F 20020%
May 2588°F65°F96°F 199854°F 19790%
May 2688°F65°F95°F 199846°F 19790%
May 2788°F66°F95°F 200049°F 19790%
May 2888°F66°F98°F 201953°F 19790%
May 2989°F66°F98°F 201952°F 19680%
May 3089°F66°F98°F 201945°F 19710%
May 3189°F66°F94°F 201151°F 19840%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Gretna, in percent, and of at least 0.1 inch of snowfall.00.21102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

May 1
sunrise 6:55 AM, sunset 8:17 PM
May 31
sunrise 6:37 AM, sunset 8:36 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00087429 (Quincy 3 Ssw), public domain. Records: NOAA GHCN-Daily, station USC00087429, 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.