Monthly climate in Heflin, Alabama, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Heflin features a humid subtropical climate (Cfa).Temperatures typically range between 7 °C (46 °F) and 26 °C (79 °F) through the year, but rarely can drop to -12 °C (11 °F) or can rise to as high as 36 °C (98 °F).The average annual precipitation amounts to about 1508 mm (59.4 inches) and receives 142 rainy days on the 1 mm (0.04 inches) threshold annually.Heflin enjoys an average of 3099 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 Heflin, Alabama, United States §

The warmest months in Heflin are June, July and August, with daily mean temperatures ranging from 25 to 26 °C (76 - 79 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 7 to 11 °C (46 - 51 °F) throughout the day. On average each year, Heflin experiences 146 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 Heflin, 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
(78°F)
26°C
(80°F)
30°C
(86°F)
30°C
(86°F)
34°C
(93°F)
33°C
(92°F)
35°C
(95°F)
36°C
(97°F)
35°C
(96°F)
36°C
(98°F)
26°C
(78°F)
23°C
(74°F)
Mean maximum 22°C
(72°F)
25°C
(77°F)
27°C
(81°F)
29°C
(84°F)
32°C
(90°F)
32°C
(90°F)
34°C
(93°F)
34°C
(93°F)
33°C
(91°F)
31°C
(89°F)
25°C
(77°F)
22°C
(71°F)
Average high 12°C
(54°F)
16°C
(61°F)
19°C
(67°F)
23°C
(73°F)
27°C
(81°F)
29°C
(85°F)
31°C
(88°F)
30°C
(87°F)
29°C
(85°F)
24°C
(76°F)
17°C
(63°F)
14°C
(57°F)
Daily mean 7°C
(46°F)
11°C
(51°F)
14°C
(57°F)
17°C
(62°F)
22°C
(71°F)
25°C
(76°F)
26°C
(79°F)
26°C
(78°F)
24°C
(75°F)
19°C
(66°F)
11°C
(52°F)
9°C
(49°F)
Average low 3°C
(37°F)
6°C
(43°F)
8°C
(47°F)
11°C
(52°F)
17°C
(62°F)
20°C
(69°F)
22°C
(72°F)
22°C
(71°F)
19°C
(67°F)
14°C
(58°F)
6°C
(43°F)
5°C
(40°F)
Mean minimum -6°C
(21°F)
-4°C
(26°F)
-2°C
(28°F)
2°C
(36°F)
8°C
(47°F)
16°C
(61°F)
19°C
(66°F)
18°C
(65°F)
14°C
(57°F)
4°C
(40°F)
-2°C
(28°F)
-4°C
(24°F)
Minimum -12°C
(11°F)
-7°C
(20°F)
-4°C
(25°F)
-0°C
(32°F)
4°C
(40°F)
13°C
(55°F)
17°C
(63°F)
16°C
(62°F)
10°C
(51°F)
0°C
(33°F)
-6°C
(21°F)
-8°C
(18°F)

Compare climate in Heflin with other places

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

Monthly average precipitation in Heflin, Alabama, United States §

Heflin usually has the most precipitation in February, April and August, with an average of 12 rainy days and 152 mm (6.0 inches) of precipitation per month.The driest months in Heflin are May, September and November. On average, 96 mm (3.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Heflin, 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) 112 (4.4) 158 (6.2) 129 (5.1) 144 (5.7) 111 (4.4) 128 (5.1) 123 (4.9) 155 (6.1) 92 (3.6) 130 (5.1) 86 (3.4) 139 (5.5)
Average precipitation days (≥ 1 mm) 9 14 13 10 11 16 16 14 10 9 8 12

Monthly sunshine hours in Heflin, Alabama, United States §

The sunniest months in Heflin are May, July and August, when the sun shines an average of 10 hours 21 minutes a day.Least sunny months in Heflin: January, February and December receive an average of 5 hours 40 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Heflin, 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 161 167 234 280 313 305 338 310 296 263 240 186
Mean daily daylight hours 10h 11m 10h 58m 11h 59m 13h 2m 13h 54m 14h 20m 14h 6m 13h 19m 12h 19m 11h 17m 10h 23m 9h 56m

Solar UV radiation in Heflin, Alabama, United States §

Heflin 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 / 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 Heflin UV Index data.

Average daily maximum UV levels by month for Heflin, 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 10 8 6 4