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Monthly climate in Hartselle, Alabama, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Hartselle 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 (7 °F) or can rise to as high as 36 °C (97 °F).The average annual precipitation amounts to about 1546 mm (60.9 inches) and receives 139 rainy days on the 1 mm (0.04 inches) threshold annually.Hartselle enjoys an average of 3003 hours of sunshine throughout the year, and daylight varies from 9 hours 51 minutes to 14 hours 25 minutes per day.

Monthly average temperatures in Hartselle, Alabama, United States §

The warmest months in Hartselle 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, Hartselle experiences 142 days above 25 °C (77.0 °F) and 28 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Hartselle, 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
(94°F)		 34°C
(93°F)		 35°C
(95°F)		 36°C
(97°F)		 36°C
(97°F)		 36°C
(97°F)		 25°C
(78°F)		 23°C
(73°F)
Mean maximum 22°C
(71°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
(94°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)		 19°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)		 17°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)		 9°C
(48°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
(57°F)		 5°C
(42°F)		 4°C
(40°F)
Mean minimum -7°C
(19°F)		 -5°C
(24°F)		 -2°C
(29°F)		 2°C
(37°F)		 9°C
(49°F)		 16°C
(62°F)		 20°C
(68°F)		 18°C
(65°F)		 14°C
(57°F)		 5°C
(41°F)		 -2°C
(28°F)		 -4°C
(25°F)
Minimum -14°C
(7°F)		 -10°C
(15°F)		 -4°C
(25°F)		 0°C
(33°F)		 6°C
(42°F)		 13°C
(56°F)		 18°C
(64°F)		 17°C
(62°F)		 11°C
(52°F)		 2°C
(35°F)		 -6°C
(21°F)		 -6°C
(21°F)

Compare climate in Hartselle with other places

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

Monthly average precipitation in Hartselle, Alabama, United States §

Hartselle usually has the most precipitation in February, March and December, with an average of 13 rainy days and 170 mm (6.7 inches) of precipitation per month.The driest months in Hartselle are May, July and November. On average, 96 mm (3.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Hartselle, 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) 110 (4.3) 181 (7.1) 178 (7.0) 146 (5.8) 108 (4.2) 147 (5.8) 105 (4.1) 112 (4.4) 111 (4.4) 122 (4.8) 74 (2.9) 152 (6.0)
Average precipitation days (≥ 1 mm) 9 14 13 10 11 15 15 14 8 9 9 12

Monthly sunshine hours in Hartselle, Alabama, United States §

The sunniest months in Hartselle are June, July and August, when the sun shines an average of 10 hours 10 minutes a day.Least sunny months in Hartselle: January, February and December receive an average of 5 hours 24 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Hartselle, 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 152 162 217 272 301 302 324 308 283 266 232 177
Mean daily daylight hours 10h 7m 10h 56m 11h 59m 13h 4m 13h 58m 14h 25m 14h 10m 13h 22m 12h 20m 11h 15m 10h 20m 9h 51m

Solar UV radiation in Hartselle, Alabama, United States §

Hartselle experiences the highest level of ultraviolet (UV) radiation in May, June and July, 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 exposure category. In these months, the maximum values of the UV index do not exceed 5. For more detailed information, check out our hourly Hartselle UV Index data.

Average daily maximum UV levels by month for Hartselle, 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 10 9 7 5 4