Smithfield weather by month
What a typical year looks like in Smithfield, Virginia: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Newport News International Airport, 21 km from Smithfield; records cover 2000–2026.
The year at a glance
- Precipitation a year
- 45.1 in1147 mm
- Snow a year
- Rare
- Last spring freeze
- Mar 28
- First fall freeze
- Nov 9
- Heating degree days
- 3,535
- Cooling degree days
- 1,562
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 18°−8° (heating, 99%) and 97°36° (cooling, 1%).
Month by month
Smithfield in January
Highs average 49°9° and lows 31°−1°, with 3.1 in77 mm of precipitation in a typical January.
- Record high
- 80°27° (2002)
- Record low
- 1°−17° (2014)
- Heating degree days
- 781
- Cooling degree days
- 0
Smithfield in February
Highs average 53°11° and lows 32°0°, with 2.6 in66 mm of precipitation in a typical February.
- Record high
- 81°27° (2017)
- Record low
- 5°−15° (2015)
- Heating degree days
- 640
- Cooling degree days
- 1
Smithfield in March
Highs average 59°15° and lows 38°3°, with 3.4 in85 mm of precipitation in a typical March.
- Record high
- 87°31° (2007)
- Record low
- 15°−9° (2002)
- Heating degree days
- 515
- Cooling degree days
- 5
Smithfield in April
Highs average 70°21° and lows 47°8°, with 3.1 in78 mm of precipitation in a typical April.
- Record high
- 93°34° (2002)
- Record low
- 26°−3° (2007)
- Heating degree days
- 238
- Cooling degree days
- 40
Smithfield in May
Highs average 77°25° and lows 56°13°, with 3.7 in93 mm of precipitation in a typical May.
- Record high
- 96°36° (2012)
- Record low
- 34°1° (2020)
- Heating degree days
- 72
- Cooling degree days
- 123
Smithfield in June
Highs average 85°29° and lows 65°18°, with 4.1 in103 mm of precipitation in a typical June.
- Record high
- 102°39° (2015)
- Record low
- 44°7° (2025)
- Heating degree days
- 6
- Cooling degree days
- 294
Smithfield in July
Highs average 88°31° and lows 70°21°, with 4.7 in119 mm of precipitation in a typical July.
- Record high
- 106°41° (2010)
- Record low
- 50°10° (2001)
- Heating degree days
- 0
- Cooling degree days
- 442
Smithfield in August
Highs average 87°30° and lows 68°20°, with 5.4 in136 mm of precipitation in a typical August.
- Record high
- 101°38° (2006)
- Record low
- 49°9° (2024)
- Heating degree days
- 0
- Cooling degree days
- 383
Smithfield in September
Highs average 81°27° and lows 63°17°, with 5 in126 mm of precipitation in a typical September.
- Record high
- 99°37° (2014)
- Record low
- 45°7° (2001)
- Heating degree days
- 12
- Cooling degree days
- 215
Smithfield in OctoberThis month
Highs average 71°22° and lows 51°11°, with 4.2 in106 mm of precipitation in a typical October.
- Record high
- 97°36° (2019)
- Record low
- 30°−1° (2001)
- Heating degree days
- 168
- Cooling degree days
- 54
Smithfield in November
Highs average 61°16° and lows 40°5°, with 3 in76 mm of precipitation in a typical November.
- Record high
- 94°34° (2003)
- Record low
- 19°−7° (2023)
- Heating degree days
- 433
- Cooling degree days
- 4
Smithfield in December
Highs average 53°12° and lows 34°1°, with 3.2 in81 mm of precipitation in a typical December.
- Record high
- 81°27° (2013)
- Record low
- 10°−12° (2022)
- Heating degree days
- 670
- Cooling degree days
- 1