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Monthly climate in Somerville, Alabama, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Somerville features a humid subtropical climate (Cfa).Temperatures typically range between 7 °C (44 °F) and 27 °C (81 °F) through the year, but rarely can drop to -14 °C (8 °F) or can rise to as high as 36 °C (98 °F).The average annual precipitation amounts to about 1576 mm (62.0 inches) and receives 141 rainy days on the 1 mm (0.04 inches) threshold annually.Somerville enjoys an average of 3015 hours of sunshine throughout the year, and daylight varies from 9 hours 52 minutes to 14 hours 24 minutes per day.

Monthly average temperatures in Somerville, Alabama, United States §

The warmest months in Somerville are June, July and August, with daily mean temperatures ranging from 25 to 27 °C (77 - 81 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 7 to 10 °C (44 - 50 °F) throughout the day. On average each year, Somerville experiences 142 days above 25 °C (77.0 °F) and 27 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Somerville, 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 25°C
(77°F)		 26°C
(79°F)		 29°C
(84°F)		 30°C
(87°F)		 34°C
(93°F)		 34°C
(94°F)		 35°C
(96°F)		 36°C
(97°F)		 36°C
(97°F)		 36°C
(98°F)		 25°C
(78°F)		 22°C
(72°F)
Mean maximum 22°C
(72°F)		 24°C
(75°F)		 26°C
(79°F)		 28°C
(83°F)		 32°C
(90°F)		 33°C
(91°F)		 35°C
(95°F)		 35°C
(95°F)		 33°C
(92°F)		 31°C
(88°F)		 24°C
(75°F)		 21°C
(70°F)
Average high 11°C
(53°F)		 15°C
(59°F)		 18°C
(66°F)		 22°C
(72°F)		 27°C
(81°F)		 30°C
(86°F)		 31°C
(89°F)		 31°C
(88°F)		 29°C
(85°F)		 24°C
(75°F)		 16°C
(62°F)		 13°C
(56°F)
Daily mean 7°C
(44°F)		 10°C
(50°F)		 13°C
(56°F)		 16°C
(62°F)		 22°C
(72°F)		 25°C
(77°F)		 27°C
(81°F)		 26°C
(80°F)		 24°C
(76°F)		 19°C
(66°F)		 11°C
(51°F)		 9°C
(48°F)
Average low 3°C
(37°F)		 5°C
(41°F)		 8°C
(47°F)		 11°C
(52°F)		 17°C
(63°F)		 21°C
(70°F)		 23°C
(74°F)		 22°C
(72°F)		 20°C
(68°F)		 14°C
(58°F)		 5°C
(42°F)		 4°C
(40°F)
Mean minimum -7°C
(19°F)		 -4°C
(24°F)		 -2°C
(29°F)		 2°C
(36°F)		 9°C
(49°F)		 17°C
(62°F)		 20°C
(67°F)		 18°C
(65°F)		 14°C
(57°F)		 5°C
(41°F)		 -2°C
(28°F)		 -4°C
(25°F)
Minimum -14°C
(8°F)		 -9°C
(16°F)		 -4°C
(24°F)		 0°C
(33°F)		 6°C
(43°F)		 13°C
(56°F)		 18°C
(64°F)		 17°C
(63°F)		 11°C
(52°F)		 1°C
(35°F)		 -6°C
(21°F)		 -6°C
(21°F)

Compare climate in Somerville with other places

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

Monthly average precipitation in Somerville, Alabama, United States §

Somerville usually has the most precipitation in February, March and December, with an average of 13 rainy days and 175 mm (6.9 inches) of precipitation per month.The driest months in Somerville are May, August and November. On average, 97 mm (3.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Somerville, 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) 114 (4.5) 180 (7.1) 190 (7.5) 148 (5.8) 103 (4.0) 138 (5.4) 114 (4.5) 114 (4.5) 115 (4.5) 130 (5.1) 75 (2.9) 157 (6.2)
Average precipitation days (≥ 1 mm) 9 14 14 10 11 14 16 13 9 10 9 12

Monthly sunshine hours in Somerville, Alabama, United States §

The sunniest months in Somerville are May, July and August, when the sun shines an average of 10 hours 5 minutes a day.Least sunny months in Somerville: January, February and December receive an average of 5 hours 26 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Somerville, 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 153 162 220 274 305 302 322 310 282 265 235 178
Mean daily daylight hours 10h 7m 10h 56m 11h 59m 13h 4m 13h 58m 14h 24m 14h 10m 13h 22m 12h 20m 11h 16m 10h 20m 9h 52m

Solar UV radiation in Somerville, Alabama, United States §

Somerville experiences the highest level of ultraviolet (UV) radiation in April, June and July, when the maximum UV index can reach values of 10 - 11, which corresponds to the Very High / Extreme category of sun exposure.January, February 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 Somerville UV Index data.

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