King William County climate

King William County Weather in May

NOAA 1991-2020 normals for Walkerton 2 Nw, 5.8 km from King William County

Average highs run from 75°F on May 1 to 81°F on May 31, and lows from 52°F to 61°F. Normal precipitation for the month is 3.84 in over about 11 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 King William County, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
78°F
Average low
57°F
Precipitation
3.84 in
Record high
100°FMay 28, 1941
Record low
31°FMay 9, 1956
Chance of a freeze
4%
Days of 90°F or more
2.7
Daylight
13 h 46 min to 14 h 35 min
Cloud cover
59%
Humidity
76%
Dew point
57°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
May 175°F52°F94°F 194236°F 199634%0%
May 276°F53°F92°F 200737°F 197834%0%
May 376°F53°F92°F 196534°F 196334%0%
May 476°F53°F92°F 196532°F 198634%0%
May 576°F54°F91°F 195536°F 196634%0%
May 676°F54°F95°F 195041°F 195434%0%
May 776°F54°F94°F 194037°F 196834%0%
May 876°F55°F91°F 196437°F 194734%0%
May 976°F55°F94°F 196331°F 195634%0%
May 1077°F55°F94°F 196332°F 202034%0%
May 1177°F55°F91°F 193932°F 196634%0%
May 1277°F56°F93°F 201838°F 194134%0%
May 1377°F56°F94°F 195636°F 196934%0%
May 1477°F56°F94°F 195640°F 193934%0%
May 1577°F57°F97°F 196238°F 193934%0%
May 1677°F57°F92°F 194139°F 198434%0%
May 1778°F57°F94°F 197436°F 198434%0%
May 1878°F58°F96°F 202638°F 197334%0%
May 1978°F58°F97°F 196241°F 200934%0%
May 2078°F58°F97°F 202241°F 197634%0%
May 2178°F58°F95°F 202239°F 195034%0%
May 2278°F59°F96°F 194138°F 200234%0%
May 2379°F59°F99°F 194141°F 200233%0%
May 2479°F59°F94°F 197042°F 196333%0%
May 2579°F60°F93°F 199139°F 196733%0%
May 2679°F60°F95°F 202143°F 198833%0%
May 2780°F60°F97°F 194141°F 196133%0%
May 2880°F60°F100°F 194138°F 196133%0%
May 2980°F61°F98°F 194142°F 199733%0%
May 3080°F61°F98°F 199144°F 196433%0%
May 3181°F61°F98°F 199146°F 198433%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at King William 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 6:13 AM, sunset 7:59 PM
May 31
sunrise 5:49 AM, sunset 8:24 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00448829 (Walkerton 2 Nw), public domain. Records: NOAA GHCN-Daily, station USW00013740, 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.