Sylva weather by month
What a typical year looks like in Sylva, North Carolina: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Cullowhee, 8 km from Sylva; records cover 1909–2026.
The year at a glance
- Precipitation a year
- 54.2 in1376 mm
- Snow a year
- 4 in11 cm
- Last spring freeze
- Apr 19
- First fall freeze
- Oct 20
- Heating degree days
- 4,129
- Cooling degree days
- 901
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 11°−12° (heating, 99%) and 92°33° (cooling, 1%).
Month by month
Sylva in January
Highs average 49°9° and lows 26°−4°, with 4.9 in123 mm of precipitation and 1.3 in3.3 cm of snow in a typical January.
- Record high
- 79°26° (1914)
- Record low
- −19°−28° (1985)
- Heating degree days
- 866
- Cooling degree days
- 0
Sylva in February
Highs average 53°12° and lows 28°−2°, with 4.6 in116 mm of precipitation and 0.7 in1.8 cm of snow in a typical February.
- Record high
- 79°26° (1918)
- Record low
- −14°−26° (1958)
- Heating degree days
- 686
- Cooling degree days
- 0
Sylva in March
Highs average 61°16° and lows 34°1°, with 4.6 in118 mm of precipitation and 0.7 in1.8 cm of snow in a typical March.
- Record high
- 87°31° (1929)
- Record low
- −1°−18° (1993)
- Heating degree days
- 546
- Cooling degree days
- 1
Sylva in April
Highs average 70°21° and lows 42°5°, with 4.7 in120 mm of precipitation in a typical April.
- Record high
- 91°33° (1925)
- Record low
- 17°−8° (1923)
- Heating degree days
- 282
- Cooling degree days
- 10
Sylva in May
Highs average 77°25° and lows 51°10°, with 4.3 in110 mm of precipitation in a typical May.
- Record high
- 92°33° (1911)
- Record low
- 26°−3° (1971)
- Heating degree days
- 99
- Cooling degree days
- 60
Sylva in June
Highs average 82°28° and lows 59°15°, with 5.1 in130 mm of precipitation in a typical June.
- Record high
- 98°37° (1936)
- Record low
- 33°1° (1966)
- Heating degree days
- 12
- Cooling degree days
- 177
Sylva in July
Highs average 85°30° and lows 63°17°, with 5 in127 mm of precipitation in a typical July.
- Record high
- 99°37° (1914)
- Record low
- 43°6° (1918)
- Heating degree days
- 0
- Cooling degree days
- 279
Sylva in August
Highs average 84°29° and lows 62°17°, with 4.3 in109 mm of precipitation in a typical August.
- Record high
- 98°37° (1983)
- Record low
- 38°3° (1925)
- Heating degree days
- 1
- Cooling degree days
- 249
Sylva in September
Highs average 79°26° and lows 56°13°, with 4.3 in109 mm of precipitation in a typical September.
- Record high
- 97°36° (1925)
- Record low
- 27°−3° (1947)
- Heating degree days
- 38
- Cooling degree days
- 112
Sylva in OctoberThis month
Highs average 70°21° and lows 44°7°, with 3.2 in82 mm of precipitation and 0.1 in0.3 cm of snow in a typical October.
- Record high
- 97°36° (1919)
- Record low
- 14°−10° (1952)
- Heating degree days
- 264
- Cooling degree days
- 13
Sylva in November
Highs average 60°16° and lows 33°1°, with 4 in103 mm of precipitation in a typical November.
- Record high
- 82°28° (2003)
- Record low
- 4°−16° (1950)
- Heating degree days
- 557
- Cooling degree days
- 0
Sylva in December
Highs average 51°11° and lows 29°−2°, with 5.1 in129 mm of precipitation and 1.5 in3.8 cm of snow in a typical December.
- Record high
- 80°27° (1951)
- Record low
- −11°−24° (1917)
- Heating degree days
- 778
- Cooling degree days
- 0