Grantsboro weather by month
What a typical year looks like in Grantsboro, North Carolina: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at NEW BERN - COASTAL CAROLINA REGIONAL AIRPORT, 20 km from Grantsboro; records cover 1948–2026.
The year at a glance
- Precipitation a year
- 53 in1346 mm
- Snow a year
- Rare
- Last spring freeze
- Mar 22
- First fall freeze
- Nov 15
- Heating degree days
- 2,699
- Cooling degree days
- 1,896
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 20°−7° (heating, 99%) and 96°36° (cooling, 1%).
Month by month
Grantsboro in January
Highs average 55°13° and lows 34°1°, with 3.9 in99 mm of precipitation in a typical January.
- Record high
- 82°28° (2020)
- Record low
- 1°−17° (1985)
- Heating degree days
- 639
- Cooling degree days
- 2
Grantsboro in February
Highs average 59°15° and lows 36°2°, with 3.3 in84 mm of precipitation in a typical February.
- Record high
- 88°31° (1962)
- Record low
- 6°−14° (1973)
- Heating degree days
- 504
- Cooling degree days
- 4
Grantsboro in March
Highs average 65°18° and lows 42°5°, with 3.9 in98 mm of precipitation in a typical March.
- Record high
- 91°33° (2020)
- Record low
- 16°−9° (2009)
- Heating degree days
- 379
- Cooling degree days
- 13
Grantsboro in April
Highs average 74°23° and lows 50°10°, with 3.2 in81 mm of precipitation in a typical April.
- Record high
- 95°35° (1990)
- Record low
- 29°−2° (1950)
- Heating degree days
- 154
- Cooling degree days
- 56
Grantsboro in May
Highs average 80°27° and lows 59°15°, with 4.3 in108 mm of precipitation in a typical May.
- Record high
- 100°38° (1953)
- Record low
- 32°0° (1963)
- Heating degree days
- 33
- Cooling degree days
- 174
Grantsboro in June
Highs average 87°30° and lows 67°20°, with 4.6 in117 mm of precipitation in a typical June.
- Record high
- 105°41° (1952)
- Record low
- 44°7° (1966)
- Heating degree days
- 1
- Cooling degree days
- 359
Grantsboro in July
Highs average 90°32° and lows 71°22°, with 6.3 in159 mm of precipitation in a typical July.
- Record high
- 106°41° (1952)
- Record low
- 55°13° (1975)
- Heating degree days
- 0
- Cooling degree days
- 477
Grantsboro in August
Highs average 88°31° and lows 70°21°, with 6.8 in173 mm of precipitation in a typical August.
- Record high
- 103°39° (1954)
- Record low
- 50°10° (1965)
- Heating degree days
- 0
- Cooling degree days
- 432
Grantsboro in September
Highs average 83°28° and lows 65°18°, with 6.3 in161 mm of precipitation in a typical September.
- Record high
- 101°38° (1954)
- Record low
- 43°6° (1970)
- Heating degree days
- 5
- Cooling degree days
- 280
Grantsboro in OctoberThis month
Highs average 75°24° and lows 54°12°, with 3.6 in90 mm of precipitation in a typical October.
- Record high
- 97°36° (1954)
- Record low
- 26°−3° (1962)
- Heating degree days
- 108
- Cooling degree days
- 83
Grantsboro in November
Highs average 66°19° and lows 43°6°, with 3.3 in85 mm of precipitation in a typical November.
- Record high
- 87°31° (1972)
- Record low
- 17°−8° (1950)
- Heating degree days
- 335
- Cooling degree days
- 11
Grantsboro in December
Highs average 59°15° and lows 37°3°, with 3.6 in92 mm of precipitation in a typical December.
- Record high
- 83°28° (1971)
- Record low
- −4°−20° (1989)
- Heating degree days
- 541
- Cooling degree days
- 5