Gaston County climate

Gaston County Weather in May

NOAA 1991-2020 normals for Gastonia, 4.4 km from Gaston County

Average highs run from 78°F on May 1 to 84°F on May 31, and lows from 54°F to 63°F. Normal precipitation for the month is 3.54 in over about 9 wet days.

May day by day

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

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

May at a glance

Average high
81°F
Average low
58°F
Precipitation
3.54 in
Record high
97°FMay 28, 2019
Record low
37°FMay 3, 2026
Chance of a freeze
0%
Days of 90°F or more
2.0
Daylight
13 h 38 min to 14 h 22 min
Cloud cover
57%
Humidity
75%
Dew point
58°F
Wind
7.2 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 178°F54°F91°F 200742°F 202328%0%
May 278°F55°F90°F 200742°F 202628%0%
May 378°F55°F87°F 202037°F 202628%0%
May 478°F55°F86°F 200640°F 200428%0%
May 579°F55°F87°F 201441°F 201128%0%
May 679°F56°F87°F 201041°F 201128%0%
May 779°F56°F89°F 200439°F 202028%0%
May 879°F56°F88°F 200540°F 202128%0%
May 979°F56°F87°F 200238°F 202028%0%
May 1079°F57°F88°F 200339°F 202028%0%
May 1180°F57°F89°F 201544°F 202028%0%
May 1280°F57°F92°F 201838°F 202028%0%
May 1380°F57°F93°F 201840°F 202128%0%
May 1480°F58°F92°F 201840°F 201328%0%
May 1580°F58°F89°F 200140°F 202629%0%
May 1680°F58°F89°F 201743°F 200629%0%
May 1781°F59°F89°F 201942°F 201429%0%
May 1881°F59°F92°F 201945°F 200929%0%
May 1981°F59°F91°F 200042°F 200929%0%
May 2081°F59°F91°F 202242°F 200230%0%
May 2181°F60°F92°F 200445°F 200230%0%
May 2282°F60°F92°F 200441°F 200230%0%
May 2382°F60°F89°F 200440°F 200230%0%
May 2482°F61°F94°F 201946°F 200230%0%
May 2582°F61°F96°F 201942°F 201330%0%
May 2682°F61°F95°F 201950°F 200531%0%
May 2783°F61°F94°F 201950°F 200131%0%
May 2883°F62°F97°F 201949°F 199931%0%
May 2983°F62°F95°F 201951°F 200531%0%
May 3083°F62°F96°F 200651°F 200331%0%
May 3184°F63°F94°F 201150°F 200031%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Gaston 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 (EDT).

May 1
sunrise 6:33 AM, sunset 8:11 PM
May 31
sunrise 6:12 AM, sunset 8:34 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00313356 (Gastonia), public domain. Records: NOAA GHCN-Daily, station USW00053870, 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.