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Monthly climate in Sumiton, Alabama, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Sumiton features a humid subtropical climate (Cfa).Temperatures typically range between 8 °C (46 °F) and 27 °C (81 °F) through the year, but rarely can drop to -13 °C (9 °F) or can rise to as high as 37 °C (99 °F).The average annual precipitation amounts to about 1493 mm (58.8 inches) and receives 140 rainy days on the 1 mm (0.04 inches) threshold annually.Sumiton enjoys an average of 3081 hours of sunshine throughout the year, and daylight varies from 9 hours 56 minutes to 14 hours 20 minutes per day.

Monthly average temperatures in Sumiton, Alabama, United States §

The warmest months in Sumiton are June, July and August, with daily mean temperatures ranging from 25 to 27 °C (78 - 81 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 8 to 11 °C (46 - 52 °F) throughout the day. On average each year, Sumiton experiences 155 days above 25 °C (77.0 °F) and 26 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Sumiton, Alabama, 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 26°C
(79°F)		 27°C
(81°F)		 31°C
(87°F)		 31°C
(88°F)		 35°C
(94°F)		 34°C
(94°F)		 37°C
(98°F)		 37°C
(99°F)		 37°C
(99°F)		 37°C
(99°F)		 27°C
(81°F)		 24°C
(76°F)
Mean maximum 23°C
(74°F)		 25°C
(77°F)		 28°C
(82°F)		 29°C
(84°F)		 33°C
(92°F)		 33°C
(92°F)		 36°C
(96°F)		 35°C
(96°F)		 34°C
(94°F)		 32°C
(90°F)		 25°C
(78°F)		 22°C
(73°F)
Average high 13°C
(55°F)		 17°C
(62°F)		 20°C
(68°F)		 23°C
(74°F)		 28°C
(82°F)		 30°C
(87°F)		 32°C
(90°F)		 32°C
(90°F)		 30°C
(87°F)		 25°C
(78°F)		 18°C
(64°F)		 15°C
(59°F)
Daily mean 8°C
(46°F)		 11°C
(52°F)		 14°C
(58°F)		 17°C
(63°F)		 22°C
(72°F)		 25°C
(78°F)		 27°C
(81°F)		 27°C
(81°F)		 25°C
(77°F)		 19°C
(67°F)		 11°C
(53°F)		 10°C
(49°F)
Average low 3°C
(38°F)		 6°C
(42°F)		 9°C
(48°F)		 11°C
(52°F)		 17°C
(63°F)		 21°C
(70°F)		 23°C
(74°F)		 23°C
(73°F)		 20°C
(68°F)		 15°C
(58°F)		 6°C
(43°F)		 5°C
(41°F)
Mean minimum -7°C
(20°F)		 -4°C
(25°F)		 -2°C
(29°F)		 2°C
(36°F)		 9°C
(48°F)		 16°C
(62°F)		 20°C
(68°F)		 18°C
(65°F)		 14°C
(57°F)		 4°C
(40°F)		 -2°C
(28°F)		 -4°C
(25°F)
Minimum -13°C
(9°F)		 -8°C
(18°F)		 -4°C
(25°F)		 1°C
(34°F)		 5°C
(41°F)		 14°C
(57°F)		 18°C
(65°F)		 16°C
(61°F)		 11°C
(52°F)		 1°C
(35°F)		 -6°C
(21°F)		 -6°C
(21°F)

Compare climate in Sumiton with other places

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

Monthly average precipitation in Sumiton, Alabama, United States §

Sumiton usually has the most precipitation in February, March and April, with an average of 12 rainy days and 167 mm (6.6 inches) of precipitation per month.The driest months in Sumiton are July, September and November. On average, 86 mm (3.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Sumiton, Alabama, 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) 113 (4.5) 179 (7.0) 165 (6.5) 157 (6.2) 97 (3.8) 136 (5.4) 96 (3.8) 114 (4.5) 85 (3.4) 126 (5.0) 78 (3.1) 146 (5.8)
Average precipitation days (≥ 1 mm) 9 14 13 9 11 15 17 15 7 9 9 12

Monthly sunshine hours in Sumiton, Alabama, United States §

The sunniest months in Sumiton are May, July and August, when the sun shines an average of 10 hours 15 minutes a day.Least sunny months in Sumiton: 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 Sumiton, Alabama, 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 160 169 230 278 310 304 329 313 287 269 243 182
Mean daily daylight hours 10h 11m 10h 58m 11h 59m 13h 2m 13h 55m 14h 20m 14h 6m 13h 20m 12h 19m 11h 17m 10h 23m 9h 56m

Solar UV radiation in Sumiton, Alabama, United States §

Sumiton experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 11 - 11, which corresponds to the Extreme category of sun exposure.January, November and December are in the Moderate / High exposure category. In these months, the maximum values of the UV index do not exceed 6. For more detailed information, check out our hourly Sumiton UV Index data.

Average daily maximum UV levels by month for Sumiton, Alabama, 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) 4 7 8 10 11 11 11 11 9 7 6 4