Smithfield climate

Smithfield Weather in May

NOAA 1991-2020 normals for Richmond, 7.8 km from Smithfield

Average highs run from 62°F on May 1 to 73°F on May 31, and lows from 38°F to 45°F. Normal precipitation for the month is 2.55 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 Smithfield, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
68°F
Average low
42°F
Precipitation
2.55 in
Snowfall
0.5 in
Record high
97°FMay 30, 2020
Record low
21°FMay 8, 2002
Chance of a freeze
81%
Daylight
14 h 03 min to 15 h 00 min
Cloud cover
62%
Humidity
56%
Dew point
34°F
Wind
6.9 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 162°F38°F82°F 200727°F 201137%3%
May 263°F38°F77°F 201523°F 200137%3%
May 363°F38°F81°F 200026°F 200837%2%
May 463°F38°F81°F 200427°F 200137%2%
May 564°F39°F84°F 201723°F 201037%2%
May 664°F39°F82°F 201825°F 201037%2%
May 764°F39°F79°F 202125°F 200137%2%
May 865°F40°F78°F 200121°F 200237%2%
May 965°F40°F81°F 201822°F 200237%2%
May 1066°F40°F85°F 202526°F 200636%1%
May 1166°F40°F85°F 200726°F 199936%1%
May 1266°F41°F87°F 200128°F 200036%1%
May 1367°F41°F88°F 201329°F 201436%1%
May 1467°F41°F85°F 201332°F 200436%1%
May 1567°F42°F86°F 201233°F 199936%1%
May 1668°F42°F86°F 200630°F 199936%1%
May 1768°F42°F88°F 200631°F 199936%1%
May 1868°F42°F88°F 200631°F 201736%1%
May 1969°F43°F86°F 200226°F 200335%1%
May 2069°F43°F84°F 200629°F 200335%1%
May 2170°F43°F87°F 201230°F 200135%1%
May 2270°F43°F83°F 200029°F 202235%1%
May 2370°F44°F87°F 200327°F 202235%1%
May 2471°F44°F87°F 200131°F 202434%1%
May 2571°F44°F86°F 200132°F 200434%1%
May 2671°F44°F87°F 202235°F 200434%1%
May 2772°F44°F86°F 200336°F 202133%0%
May 2872°F45°F93°F 200330°F 201233%0%
May 2972°F45°F94°F 200331°F 200732%0%
May 3073°F45°F97°F 202032°F 200132%0%
May 3173°F45°F89°F 201735°F 200431%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.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (MDT).

May 1
sunrise 6:23 AM, sunset 8:26 PM
May 31
sunrise 5:55 AM, sunset 8:55 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00427271 (Richmond), public domain. Records: NOAA GHCN-Daily, station USW00094128, 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.