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Monthly climate in Stamford, New York, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Stamford 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 -26 °C (-15 °F) or can rise to as high as 33 °C (91 °F).The average annual precipitation amounts to about 1230 mm (48.4 inches) and receives 150 rainy days on the 1 mm (0.04 inches) threshold annually.Stamford enjoys an average of 2777 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 Stamford, New York, United States §

The warmest months in Stamford 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 -2 °C (24 - 29 °F) throughout the day. On average each year, Stamford experiences 46 days above 25 °C (77.0 °F) and 130 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Stamford, 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
(61°F)		 22°C
(72°F)		 22°C
(71°F)		 26°C
(80°F)		 31°C
(89°F)		 31°C
(89°F)		 33°C
(91°F)		 32°C
(89°F)		 31°C
(87°F)		 26°C
(79°F)		 23°C
(74°F)		 16°C
(62°F)
Mean maximum 11°C
(52°F)		 15°C
(60°F)		 18°C
(65°F)		 22°C
(72°F)		 30°C
(85°F)		 30°C
(86°F)		 31°C
(88°F)		 30°C
(86°F)		 29°C
(84°F)		 24°C
(76°F)		 19°C
(66°F)		 13°C
(55°F)
Average high -1°C
(31°F)		 1°C
(35°F)		 5°C
(41°F)		 12°C
(53°F)		 18°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
(35°F)
Daily mean -5°C
(24°F)		 -3°C
(27°F)		 0°C
(33°F)		 7°C
(44°F)		 13°C
(56°F)		 18°C
(65°F)		 21°C
(70°F)		 20°C
(68°F)		 16°C
(62°F)		 11°C
(51°F)		 2°C
(37°F)		 -2°C
(29°F)
Average low -9°C
(17°F)		 -8°C
(18°F)		 -4°C
(24°F)		 2°C
(36°F)		 8°C
(47°F)		 13°C
(56°F)		 16°C
(62°F)		 15°C
(60°F)		 11°C
(53°F)		 6°C
(44°F)		 -2°C
(29°F)		 -5°C
(23°F)
Mean minimum -21°C
(-6°F)		 -21°C
(-6°F)		 -16°C
(4°F)		 -5°C
(23°F)		 0°C
(32°F)		 8°C
(47°F)		 11°C
(52°F)		 9°C
(48°F)		 3°C
(37°F)		 -3°C
(27°F)		 -14°C
(7°F)		 -17°C
(2°F)
Minimum -26°C
(-15°F)		 -25°C
(-14°F)		 -19°C
(-2°F)		 -8°C
(19°F)		 -3°C
(26°F)		 3°C
(38°F)		 8°C
(47°F)		 6°C
(44°F)		 -0°C
(32°F)		 -6°C
(21°F)		 -26°C
(-14°F)		 -22°C
(-7°F)

Compare climate in Stamford with other places

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

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

Stamford usually has the most precipitation in April, July and October, with an average of 13 rainy days and 123 mm (4.8 inches) of precipitation per month.The driest months in Stamford are January, March and December. On average, 85 mm (3.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Stamford, 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) 75 (2.9) 93 (3.7) 88 (3.4) 115 (4.5) 115 (4.5) 99 (3.9) 118 (4.6) 110 (4.3) 96 (3.8) 137 (5.4) 94 (3.7) 93 (3.7)
Average precipitation days (≥ 1 mm) 11 13 11 15 15 12 14 12 9 12 13 13

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

The sunniest months in Stamford are June, July and August, when the sun shines an average of 10 hours 36 minutes a day.Least sunny months in Stamford: January, February and December receive an average of 4 hours 37 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Stamford, 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 121 159 232 227 263 322 330 323 278 208 169 139
Mean daily daylight hours 9h 27m 10h 34m 11h 58m 13h 24m 14h 36m 15h 13m 14h 53m 13h 48m 12h 25m 11h 0m 9h 45m 9h 6m

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

Stamford 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, November 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 Stamford UV Index data.

Average daily maximum UV levels by month for Stamford, 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 5 6 9 10 10 10 9 8 6 4 2