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Monthly climate in Norwich, New York, United States

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Norwich features a humid continental climate (Dfb). Temperatures typically range between -5 °C (24 °F) and 21 °C (70 °F) through the year, but rarely can drop to -28 °C (-18 °F) or can rise to as high as 33 °C (92 °F). The average annual precipitation amounts to about 1331 mm (52.4 inches) and receives 165 rainy days on the 1 mm (0.04 inches) threshold annually. Norwich enjoys an average of 2684 hours of sunshine throughout the year, and daylight varies from 9 hours 6 minutes to 15 hours 13 minutes per day.

Monthly average temperatures in Norwich, New York, United States §

The warmest months in Norwich are June, July and August, with daily mean temperatures ranging from 18 to 21 °C (65 - 70 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -5 to -1 °C (24 - 30 °F) throughout the day. On average each year, Norwich experiences 49 days above 25 °C (77.0 °F) and 126 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Norwich, New York, United States. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 16°C
(62°F)		 21°C
(70°F)		 22°C
(71°F)		 25°C
(78°F)		 31°C
(87°F)		 32°C
(89°F)		 33°C
(92°F)		 32°C
(89°F)		 31°C
(88°F)		 26°C
(79°F)		 22°C
(72°F)		 16°C
(61°F)
Mean maximum 11°C
(51°F)		 14°C
(58°F)		 18°C
(65°F)		 22°C
(72°F)		 30°C
(86°F)		 31°C
(87°F)		 31°C
(87°F)		 30°C
(86°F)		 28°C
(83°F)		 25°C
(77°F)		 18°C
(65°F)		 13°C
(55°F)
Average high -1°C
(31°F)		 1°C
(35°F)		 5°C
(42°F)		 12°C
(54°F)		 19°C
(66°F)		 23°C
(74°F)		 26°C
(79°F)		 25°C
(77°F)		 22°C
(71°F)		 15°C
(60°F)		 7°C
(44°F)		 2°C
(36°F)
Daily mean -5°C
(24°F)		 -3°C
(27°F)		 0°C
(33°F)		 7°C
(45°F)		 14°C
(57°F)		 18°C
(65°F)		 21°C
(70°F)		 20°C
(68°F)		 16°C
(62°F)		 11°C
(52°F)		 3°C
(37°F)		 -1°C
(30°F)
Average low -9°C
(17°F)		 -8°C
(18°F)		 -4°C
(25°F)		 3°C
(37°F)		 9°C
(48°F)		 13°C
(56°F)		 17°C
(62°F)		 16°C
(60°F)		 12°C
(53°F)		 7°C
(44°F)		 -1°C
(30°F)		 -5°C
(23°F)
Mean minimum -21°C
(-5°F)		 -21°C
(-5°F)		 -16°C
(3°F)		 -4°C
(25°F)		 0°C
(33°F)		 8°C
(46°F)		 11°C
(52°F)		 9°C
(48°F)		 3°C
(38°F)		 -2°C
(30°F)		 -13°C
(9°F)		 -17°C
(2°F)
Minimum -28°C
(-18°F)		 -26°C
(-14°F)		 -19°C
(-2°F)		 -7°C
(20°F)		 -3°C
(26°F)		 3°C
(38°F)		 9°C
(48°F)		 6°C
(43°F)		 -1°C
(31°F)		 -3°C
(27°F)		 -26°C
(-14°F)		 -20°C
(-4°F)

Compare climate in Norwich with other places

Compare temperature, precipitation, sunshine, UV index in Norwich, New York, United States with other places around the world.

Monthly average precipitation in Norwich, New York, United States §

Norwich usually has the most precipitation in May, July and October, with an average of 16 rainy days and 139 mm (5.5 inches) of precipitation per month. The driest months in Norwich are January, February and March. On average, 90 mm (3.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Norwich, New York, United States. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 85 (3.4) 96 (3.8) 88 (3.5) 119 (4.7) 127 (5.0) 109 (4.3) 134 (5.3) 117 (4.6) 98 (3.9) 156 (6.1) 103 (4.1) 98 (3.9)
Average precipitation days (≥ 1 mm) 12 14 13 16 17 13 16 13 9 15 14 13

Monthly sunshine hours in Norwich, New York, United States §

The sunniest months in Norwich are June, July and August, when the sun shines an average of 10 hours 39 minutes a day. Least sunny months in Norwich: January, February and December receive an average of 4 hours 5 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Norwich, New York, United States. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 110 142 216 225 254 320 335 324 276 204 153 119
Mean daily daylight hours 9h 27m 10h 33m 11h 58m 13h 24m 14h 37m 15h 13m 14h 53m 13h 48m 12h 25m 11h 0m 9h 45m 9h 6m

Solar UV radiation in Norwich, New York, United States §

Norwich experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 10 - 10, which corresponds to the Very High category of sun exposure. January, February and December are in the Low / Moderate exposure category. In these months, the maximum values of the UV index do not exceed 4. For more detailed information, check out our hourly Norwich UV Index data.

Average daily maximum UV levels by month for Norwich, New York, United States. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 3 4 6 9 10 10 10 9 8 6 4 2

Detailed Monthly Weather Insights for Norwich, New York, United States

Discover in-depth weather details for every month in Norwich. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Norwich's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.

Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.