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Monthly climate in Bantam, Connecticut, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Bantam features a humid continental climate (Dfb).Temperatures typically range between -2 °C (29 °F) and 23 °C (73 °F) through the year, but rarely can drop to -21 °C (-6 °F) or can rise to as high as 36 °C (97 °F).The average annual precipitation amounts to about 1368 mm (53.9 inches) and receives 137 rainy days on the 1 mm (0.04 inches) threshold annually.Bantam enjoys an average of 2971 hours of sunshine throughout the year, and daylight varies from 9 hours 11 minutes to 15 hours 8 minutes per day.

Monthly average temperatures in Bantam, Connecticut, United States §

The warmest months in Bantam are June, July and August, with daily mean temperatures ranging from 20 to 23 °C (68 - 73 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -2 to 0 °C (29 - 33 °F) throughout the day. On average each year, Bantam experiences 64 days above 25 °C (77.0 °F) and 103 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Bantam, 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 17°C
(64°F)		 23°C
(73°F)		 24°C
(75°F)		 28°C
(83°F)		 32°C
(91°F)		 34°C
(94°F)		 36°C
(97°F)		 34°C
(94°F)		 33°C
(91°F)		 30°C
(86°F)		 23°C
(74°F)		 16°C
(61°F)
Mean maximum 12°C
(55°F)		 17°C
(62°F)		 19°C
(67°F)		 23°C
(74°F)		 30°C
(86°F)		 32°C
(90°F)		 34°C
(94°F)		 32°C
(90°F)		 30°C
(87°F)		 25°C
(78°F)		 20°C
(69°F)		 14°C
(58°F)
Average high 2°C
(35°F)		 4°C
(39°F)		 7°C
(45°F)		 13°C
(56°F)		 19°C
(67°F)		 25°C
(77°F)		 28°C
(82°F)		 27°C
(81°F)		 23°C
(74°F)		 17°C
(63°F)		 9°C
(49°F)		 4°C
(39°F)
Daily mean -2°C
(29°F)		 -0°C
(32°F)		 3°C
(37°F)		 9°C
(48°F)		 15°C
(59°F)		 20°C
(68°F)		 23°C
(73°F)		 22°C
(72°F)		 18°C
(65°F)		 13°C
(55°F)		 5°C
(41°F)		 0°C
(33°F)
Average low -6°C
(22°F)		 -5°C
(24°F)		 -2°C
(29°F)		 4°C
(40°F)		 10°C
(50°F)		 15°C
(59°F)		 19°C
(66°F)		 18°C
(65°F)		 14°C
(57°F)		 9°C
(48°F)		 1°C
(33°F)		 -3°C
(26°F)
Mean minimum -18°C
(0°F)		 -16°C
(4°F)		 -12°C
(11°F)		 -3°C
(28°F)		 3°C
(37°F)		 10°C
(50°F)		 14°C
(57°F)		 12°C
(54°F)		 6°C
(43°F)		 -0°C
(32°F)		 -9°C
(17°F)		 -13°C
(9°F)
Minimum -21°C
(-6°F)		 -21°C
(-6°F)		 -15°C
(4°F)		 -5°C
(24°F)		 -0°C
(32°F)		 6°C
(42°F)		 12°C
(55°F)		 10°C
(50°F)		 3°C
(37°F)		 -4°C
(26°F)		 -14°C
(7°F)		 -18°C
(-0°F)

Compare climate in Bantam with other places

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

Monthly average precipitation in Bantam, Connecticut, United States §

Bantam usually has the most precipitation in April, July and October, with an average of 13 rainy days and 144 mm (5.7 inches) of precipitation per month.The driest months in Bantam are January, February and March. On average, 87 mm (3.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Bantam, 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) 74 (2.9) 95 (3.8) 90 (3.5) 131 (5.2) 120 (4.7) 104 (4.1) 151 (5.9) 112 (4.4) 125 (4.9) 150 (5.9) 96 (3.8) 119 (4.7)
Average precipitation days (≥ 1 mm) 8 12 10 14 14 12 14 12 9 12 9 11

Monthly sunshine hours in Bantam, Connecticut, United States §

The sunniest months in Bantam are June, July and August, when the sun shines an average of 10 hours 39 minutes a day.Least sunny months in Bantam: January, February and December receive an average of 5 hours 33 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Bantam, 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 149 180 254 243 278 317 340 322 282 220 206 175
Mean daily daylight hours 9h 31m 10h 36m 11h 58m 13h 21m 14h 32m 15h 8m 14h 48m 13h 45m 12h 25m 11h 1m 9h 48m 9h 11m

Solar UV radiation in Bantam, Connecticut, United States §

Bantam 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 Bantam UV Index data.

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