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Monthly climate in Harpersville, Alabama, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Harpersville features a humid subtropical climate (Cfa).Temperatures typically range between 8 °C (47 °F) and 27 °C (81 °F) through the year, but rarely can drop to -11 °C (12 °F) or can rise to as high as 37 °C (99 °F).The average annual precipitation amounts to about 1445 mm (56.9 inches) and receives 135 rainy days on the 1 mm (0.04 inches) threshold annually.Harpersville enjoys an average of 3023 hours of sunshine throughout the year, and daylight varies from 9 hours 59 minutes to 14 hours 17 minutes per day.

Monthly average temperatures in Harpersville, Alabama, United States §

The warmest months in Harpersville 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 12 °C (47 - 53 °F) throughout the day. On average each year, Harpersville experiences 158 days above 25 °C (77.0 °F) and 23 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Harpersville, 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
(80°F)		 27°C
(81°F)		 30°C
(87°F)		 32°C
(89°F)		 34°C
(93°F)		 34°C
(94°F)		 36°C
(97°F)		 37°C
(99°F)		 37°C
(98°F)		 37°C
(99°F)		 27°C
(81°F)		 25°C
(77°F)
Mean maximum 23°C
(74°F)		 25°C
(78°F)		 28°C
(82°F)		 29°C
(85°F)		 33°C
(91°F)		 33°C
(92°F)		 35°C
(95°F)		 35°C
(95°F)		 34°C
(94°F)		 32°C
(90°F)		 25°C
(78°F)		 23°C
(74°F)
Average high 14°C
(57°F)		 17°C
(63°F)		 20°C
(69°F)		 24°C
(75°F)		 28°C
(82°F)		 30°C
(87°F)		 32°C
(90°F)		 32°C
(89°F)		 30°C
(87°F)		 25°C
(78°F)		 18°C
(65°F)		 15°C
(59°F)
Daily mean 8°C
(47°F)		 12°C
(53°F)		 15°C
(59°F)		 17°C
(64°F)		 22°C
(73°F)		 25°C
(78°F)		 27°C
(81°F)		 27°C
(80°F)		 25°C
(77°F)		 20°C
(68°F)		 12°C
(54°F)		 10°C
(50°F)
Average low 4°C
(39°F)		 6°C
(44°F)		 9°C
(49°F)		 11°C
(53°F)		 17°C
(63°F)		 21°C
(70°F)		 23°C
(74°F)		 23°C
(73°F)		 20°C
(69°F)		 15°C
(59°F)		 6°C
(44°F)		 5°C
(42°F)
Mean minimum -6°C
(21°F)		 -3°C
(26°F)		 -1°C
(30°F)		 3°C
(37°F)		 9°C
(48°F)		 17°C
(62°F)		 20°C
(68°F)		 19°C
(66°F)		 14°C
(58°F)		 5°C
(41°F)		 -2°C
(28°F)		 -4°C
(25°F)
Minimum -11°C
(12°F)		 -7°C
(20°F)		 -4°C
(25°F)		 1°C
(34°F)		 6°C
(43°F)		 14°C
(57°F)		 17°C
(64°F)		 17°C
(62°F)		 11°C
(52°F)		 1°C
(34°F)		 -6°C
(22°F)		 -7°C
(20°F)

Compare climate in Harpersville with other places

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

Monthly average precipitation in Harpersville, Alabama, United States §

Harpersville usually has the most precipitation in February, June and December, with an average of 13 rainy days and 145 mm (5.7 inches) of precipitation per month.The driest months in Harpersville are May, September and November. On average, 91 mm (3.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Harpersville, 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) 111 (4.4) 154 (6.1) 127 (5.0) 136 (5.3) 108 (4.2) 141 (5.6) 118 (4.6) 119 (4.7) 85 (3.3) 126 (4.9) 82 (3.2) 139 (5.5)
Average precipitation days (≥ 1 mm) 9 13 12 8 10 15 16 14 8 9 8 13

Monthly sunshine hours in Harpersville, Alabama, United States §

The sunniest months in Harpersville are May, July and August, when the sun shines an average of 10 hours 7 minutes a day.Least sunny months in Harpersville: January, February and December receive an average of 5 hours 31 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Harpersville, 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 159 164 226 276 304 292 332 304 283 259 240 178
Mean daily daylight hours 10h 13m 11h 0m 11h 59m 13h 1m 13h 52m 14h 17m 14h 3m 13h 18m 12h 19m 11h 18m 10h 25m 9h 59m

Solar UV radiation in Harpersville, Alabama, United States §

Harpersville 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 Harpersville UV Index data.

Average daily maximum UV levels by month for Harpersville, 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