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Monthly climate in Madison, Connecticut, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Madison features a oceanic climate (Cfb).Temperatures typically range between 1 °C (34 °F) and 23 °C (74 °F) through the year, but rarely can drop to -16 °C (3 °F) or can rise to as high as 31 °C (88 °F).The average annual precipitation amounts to about 1370 mm (54.0 inches) and receives 126 rainy days on the 1 mm (0.04 inches) threshold annually.Madison enjoys an average of 3030 hours of sunshine throughout the year, and daylight varies from 9 hours 14 minutes to 15 hours 5 minutes per day.

Monthly average temperatures in Madison, Connecticut, United States §

The warmest months in Madison are July, August and September, with daily mean temperatures ranging from 20 to 23 °C (69 - 74 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from 1 to 4 °C (34 - 39 °F) throughout the day. On average each year, Madison experiences 31 days above 25 °C (77.0 °F) and 53 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Madison, Connecticut, 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 14°C
(58°F)		 13°C
(56°F)		 17°C
(63°F)		 20°C
(68°F)		 24°C
(75°F)		 28°C
(83°F)		 31°C
(88°F)		 29°C
(85°F)		 29°C
(84°F)		 27°C
(81°F)		 20°C
(68°F)		 16°C
(61°F)
Mean maximum 11°C
(53°F)		 11°C
(52°F)		 13°C
(55°F)		 16°C
(60°F)		 22°C
(73°F)		 26°C
(80°F)		 29°C
(85°F)		 28°C
(83°F)		 26°C
(80°F)		 23°C
(75°F)		 19°C
(66°F)		 14°C
(58°F)
Average high 4°C
(39°F)		 4°C
(40°F)		 6°C
(44°F)		 11°C
(52°F)		 16°C
(60°F)		 21°C
(70°F)		 25°C
(77°F)		 25°C
(78°F)		 22°C
(73°F)		 18°C
(64°F)		 11°C
(53°F)		 6°C
(43°F)
Daily mean 1°C
(34°F)		 2°C
(35°F)		 4°C
(39°F)		 8°C
(47°F)		 13°C
(56°F)		 19°C
(66°F)		 23°C
(74°F)		 23°C
(74°F)		 20°C
(69°F)		 16°C
(60°F)		 9°C
(48°F)		 4°C
(39°F)
Average low -1°C
(30°F)		 -1°C
(31°F)		 1°C
(35°F)		 6°C
(43°F)		 11°C
(52°F)		 16°C
(62°F)		 21°C
(70°F)		 21°C
(70°F)		 18°C
(65°F)		 13°C
(56°F)		 6°C
(43°F)		 2°C
(35°F)
Mean minimum -12°C
(11°F)		 -10°C
(15°F)		 -6°C
(21°F)		 1°C
(35°F)		 6°C
(43°F)		 12°C
(53°F)		 17°C
(63°F)		 17°C
(63°F)		 12°C
(55°F)		 6°C
(44°F)		 -3°C
(27°F)		 -6°C
(21°F)
Minimum -16°C
(3°F)		 -14°C
(6°F)		 -9°C
(16°F)		 -1°C
(31°F)		 3°C
(38°F)		 10°C
(50°F)		 15°C
(60°F)		 15°C
(59°F)		 10°C
(50°F)		 4°C
(39°F)		 -7°C
(19°F)		 -11°C
(12°F)

Compare climate in Madison with other places

Compare temperature, precipitation, sunshine, UV index in Madison, Connecticut, United States with other places around the world.

Monthly average precipitation in Madison, Connecticut, United States §

Madison usually has the most precipitation in April, October and December, with an average of 12 rainy days and 148 mm (5.8 inches) of precipitation per month.The driest months in Madison are January, June and August. On average, 86 mm (3.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Madison, Connecticut, 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) 83 (3.3) 113 (4.4) 105 (4.1) 141 (5.5) 119 (4.7) 82 (3.2) 128 (5.1) 94 (3.7) 98 (3.9) 151 (5.9) 106 (4.2) 151 (6.0)
Average precipitation days (≥ 1 mm) 8 11 9 13 13 9 10 10 9 13 10 11

Monthly sunshine hours in Madison, Connecticut, United States §

The sunniest months in Madison are June, July and August, when the sun shines an average of 10 hours 50 minutes a day.Least sunny months in Madison: January, February and December receive an average of 5 hours 38 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Madison, Connecticut, 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 152 184 261 249 290 321 348 326 280 228 208 176
Mean daily daylight hours 9h 34m 10h 37m 11h 58m 13h 20m 14h 30m 15h 5m 14h 46m 13h 44m 12h 24m 11h 2m 9h 50m 9h 14m

Solar UV radiation in Madison, Connecticut, United States §

Madison experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 9 - 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 Madison UV Index data.

Average daily maximum UV levels by month for Madison, Connecticut, 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 8 9 10 10 9 8 6 4 2