Smithfield climate

Smithfield Weather in May

NOAA 1991-2020 normals for Pike Island(lock & Dam), 15.3 km from Smithfield

Average highs run from 68°F on May 1 to 76°F on May 31, and lows from 46°F to 55°F. Normal precipitation for the month is 3.99 in over about 14 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 Smithfield, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
72°F
Average low
50°F
Precipitation
3.99 in
Record high
93°FMay 18, 1962
Record low
24°FMay 10, 1947
Chance of a freeze
15%
Daylight
13 h 56 min to 14 h 50 min
Cloud cover
68%
Humidity
78%
Dew point
52°F
Wind
4.7 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 168°F46°F91°F 194227°F 197847%0%
May 268°F46°F88°F 194229°F 194347%0%
May 369°F46°F88°F 194229°F 202647%0%
May 469°F47°F89°F 194930°F 202647%0%
May 569°F47°F92°F 194932°F 195447%0%
May 669°F47°F90°F 194928°F 196847%0%
May 770°F48°F86°F 200027°F 197046%0%
May 870°F48°F89°F 197929°F 195046%0%
May 970°F48°F89°F 197928°F 202046%0%
May 1070°F49°F91°F 200424°F 194746%0%
May 1171°F49°F89°F 197930°F 194146%0%
May 1271°F49°F90°F 200431°F 194146%0%
May 1371°F50°F90°F 200430°F 199646%0%
May 1471°F50°F91°F 196229°F 199646%0%
May 1572°F50°F92°F 196232°F 201345%0%
May 1672°F50°F91°F 196233°F 198445%0%
May 1772°F51°F91°F 196232°F 198445%0%
May 1872°F51°F93°F 196233°F 195645%0%
May 1973°F51°F90°F 202633°F 200245%0%
May 2073°F52°F90°F 202634°F 195644%0%
May 2173°F52°F88°F 194130°F 200244%0%
May 2273°F52°F90°F 194133°F 200244%0%
May 2374°F53°F89°F 202234°F 196343%0%
May 2474°F53°F89°F 194432°F 195643%0%
May 2574°F53°F87°F 195332°F 195643%0%
May 2674°F54°F90°F 202035°F 201343%0%
May 2775°F54°F88°F 194132°F 196143%0%
May 2875°F54°F92°F 194137°F 194942%0%
May 2975°F55°F91°F 201235°F 194942%0%
May 3075°F55°F91°F 200635°F 196142%0%
May 3176°F55°F92°F 194435°F 194742%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Smithfield, in percent, and of at least 0.1 inch of snowfall.010203040501102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

May 1
sunrise 6:23 AM, sunset 8:19 PM
May 31
sunrise 5:56 AM, sunset 8:46 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00467018 (Pike Island(lock & Dam)), public domain. Records: NOAA GHCN-Daily, station USC00338025, 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.