Williamston climate

Williamston Weather in May

NOAA 1991-2020 normals for Williamston 1 E, 2.2 km from Williamston

Average highs run from 75°F on May 1 to 81°F on May 31, and lows from 55°F to 63°F. Normal precipitation for the month is 3.69 in over about 10 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 Williamston, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
78°F
Average low
59°F
Precipitation
3.69 in
Record high
97°FMay 10, 1963
Record low
34°FMay 11, 1966
Chance of a freeze
0%
Days of 90°F or more
2.1
Daylight
13 h 39 min to 14 h 25 min
Cloud cover
57%
Humidity
76%
Dew point
59°F
Wind
8.3 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
May 175°F55°F91°F 197437°F 196334%0%
May 276°F55°F92°F 198637°F 196334%0%
May 376°F55°F93°F 201037°F 196334%0%
May 476°F55°F92°F 196540°F 198134%0%
May 576°F56°F92°F 195538°F 196634%0%
May 676°F56°F91°F 197740°F 197334%0%
May 776°F56°F90°F 195935°F 197034%0%
May 877°F57°F92°F 195537°F 198933%0%
May 977°F57°F93°F 196337°F 195633%0%
May 1077°F57°F97°F 196338°F 197733%0%
May 1177°F57°F90°F 196434°F 196634%0%
May 1277°F58°F92°F 195338°F 196934%0%
May 1378°F58°F93°F 195644°F 202134%0%
May 1478°F58°F95°F 195642°F 201334%0%
May 1578°F59°F94°F 196243°F 199634%0%
May 1678°F59°F93°F 195342°F 195934%0%
May 1778°F59°F91°F 196043°F 196734%0%
May 1879°F59°F92°F 197443°F 197334%0%
May 1979°F60°F94°F 202644°F 197334%0%
May 2079°F60°F96°F 199643°F 200934%0%
May 2179°F60°F96°F 199643°F 200234%0%
May 2279°F61°F94°F 197544°F 199234%0%
May 2380°F61°F95°F 195340°F 200234%0%
May 2480°F61°F94°F 196244°F 196334%0%
May 2580°F61°F95°F 201943°F 195634%0%
May 2680°F62°F96°F 195340°F 196834%0%
May 2780°F62°F95°F 201945°F 196134%0%
May 2881°F62°F94°F 196739°F 196134%0%
May 2981°F63°F96°F 201945°F 195334%0%
May 3081°F63°F97°F 201950°F 195634%0%
May 3181°F63°F97°F 201948°F 196134%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Williamston, 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 6:16 AM, sunset 7:55 PM
May 31
sunrise 5:54 AM, sunset 8:19 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00319440 (Williamston 1 E), public domain. Records: NOAA GHCN-Daily, station USC00319440, 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.