Norwich weather by month
What a typical year looks like in Norwich, New York: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Norwich, 2 km from Norwich; records cover 1906–2026.
The year at a glance
- Precipitation a year
- 45.3 in1150 mm
- Snow a year
- 75 in190 cm
- Last spring freeze
- May 14
- First fall freeze
- Oct 6
- Heating degree days
- 7,297
- Cooling degree days
- 376
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −10°−23° (heating, 99%) and 91°33° (cooling, 1%).
Month by month
Norwich in January
Highs average 32°0° and lows 12°−11°, with 3.2 in81 mm of precipitation and 18 in45 cm of snow in a typical January.
- Record high
- 66°19° (1967)
- Record low
- −32°−36° (1957)
- Heating degree days
- 1344
- Cooling degree days
- 0
Norwich in February
Highs average 34°1° and lows 12°−11°, with 2.7 in69 mm of precipitation and 17 in44 cm of snow in a typical February.
- Record high
- 74°23° (2018)
- Record low
- −29°−34° (1934)
- Heating degree days
- 1182
- Cooling degree days
- 0
Norwich in March
Highs average 43°6° and lows 20°−7°, with 3.5 in89 mm of precipitation and 15 in37 cm of snow in a typical March.
- Record high
- 86°30° (1998)
- Record low
- −19°−28° (1950)
- Heating degree days
- 1045
- Cooling degree days
- 0
Norwich in April
Highs average 57°14° and lows 32°0°, with 3.8 in97 mm of precipitation and 2.3 in5.8 cm of snow in a typical April.
- Record high
- 92°33° (2009)
- Record low
- 3°−16° (2016)
- Heating degree days
- 626
- Cooling degree days
- 2
Norwich in May
Highs average 69°21° and lows 43°6°, with 3.6 in91 mm of precipitation in a typical May.
- Record high
- 94°34° (1911)
- Record low
- 20°−7° (1978)
- Heating degree days
- 306
- Cooling degree days
- 17
Norwich in June
Highs average 77°25° and lows 52°11°, with 5 in126 mm of precipitation in a typical June.
- Record high
- 98°37° (1933)
- Record low
- 29°−2° (1958)
- Heating degree days
- 83
- Cooling degree days
- 74
Norwich in July
Highs average 81°27° and lows 57°14°, with 4.4 in111 mm of precipitation in a typical July.
- Record high
- 101°38° (1936)
- Record low
- 35°2° (1936)
- Heating degree days
- 20
- Cooling degree days
- 140
Norwich in August
Highs average 79°26° and lows 55°13°, with 4.4 in112 mm of precipitation in a typical August.
- Record high
- 100°38° (1944)
- Record low
- 27°−3° (1940)
- Heating degree days
- 34
- Cooling degree days
- 107
Norwich in September
Highs average 73°23° and lows 48°9°, with 4 in102 mm of precipitation in a typical September.
- Record high
- 99°37° (1939)
- Record low
- 20°−7° (1943)
- Heating degree days
- 178
- Cooling degree days
- 34
Norwich in OctoberThis month
Highs average 60°16° and lows 37°3°, with 3.9 in99 mm of precipitation and 0.3 in0.8 cm of snow in a typical October.
- Record high
- 88°31° (1941)
- Record low
- 11°−12° (1974)
- Heating degree days
- 510
- Cooling degree days
- 2
Norwich in November
Highs average 47°9° and lows 27°−3°, with 3.2 in82 mm of precipitation and 6 in14 cm of snow in a typical November.
- Record high
- 80°27° (1950)
- Record low
- −8°−22° (1938)
- Heating degree days
- 828
- Cooling degree days
- 0
Norwich in December
Highs average 37°3° and lows 20°−7°, with 3.6 in91 mm of precipitation and 17 in42 cm of snow in a typical December.
- Record high
- 66°19° (1982)
- Record low
- −31°−35° (1917)
- Heating degree days
- 1141
- Cooling degree days
- 0