Monthly climate in Mount Vernon, Alabama, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Mount Vernon features a humid subtropical climate (Cfa).Temperatures typically range between 11 °C (52 °F) and 28 °C (82 °F) through the year, but rarely can drop to -7 °C (19 °F) or can rise to as high as 38 °C (101 °F).The average annual precipitation amounts to about 1534 mm (60.4 inches) and receives 147 rainy days on the 1 mm (0.04 inches) threshold annually.Mount Vernon enjoys an average of 3136 hours of sunshine throughout the year, and daylight varies from 10 hours 10 minutes to 14 hours 6 minutes per day.

Monthly average temperatures in Mount Vernon, Alabama, United States §

The warmest months in Mount Vernon are June, July and August, with daily mean temperatures ranging from 27 to 28 °C (80 - 82 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 11 to 14 °C (52 - 58 °F) throughout the day. On average each year, Mount Vernon experiences 189 days above 25 °C (77.0 °F) and 8 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Mount Vernon, 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 27°C
(81°F)
28°C
(82°F)
30°C
(87°F)
31°C
(89°F)
35°C
(96°F)
37°C
(98°F)
38°C
(100°F)
38°C
(100°F)
38°C
(101°F)
36°C
(98°F)
28°C
(83°F)
27°C
(81°F)
Mean maximum 25°C
(77°F)
26°C
(80°F)
29°C
(84°F)
30°C
(86°F)
33°C
(92°F)
34°C
(94°F)
36°C
(97°F)
35°C
(96°F)
35°C
(96°F)
33°C
(92°F)
27°C
(81°F)
26°C
(78°F)
Average high 17°C
(62°F)
20°C
(68°F)
23°C
(74°F)
25°C
(78°F)
29°C
(85°F)
31°C
(89°F)
32°C
(90°F)
32°C
(90°F)
31°C
(89°F)
28°C
(82°F)
21°C
(71°F)
18°C
(65°F)
Daily mean 11°C
(52°F)
14°C
(58°F)
17°C
(63°F)
20°C
(67°F)
24°C
(76°F)
27°C
(80°F)
28°C
(82°F)
27°C
(82°F)
26°C
(79°F)
22°C
(72°F)
15°C
(59°F)
13°C
(55°F)
Average low 6°C
(44°F)
10°C
(49°F)
12°C
(54°F)
14°C
(57°F)
19°C
(67°F)
23°C
(74°F)
24°C
(75°F)
24°C
(75°F)
22°C
(72°F)
18°C
(64°F)
9°C
(49°F)
8°C
(47°F)
Mean minimum -3°C
(26°F)
-1°C
(31°F)
2°C
(36°F)
6°C
(43°F)
13°C
(56°F)
19°C
(67°F)
22°C
(72°F)
21°C
(70°F)
17°C
(62°F)
8°C
(47°F)
1°C
(34°F)
-0°C
(32°F)
Minimum -7°C
(19°F)
-5°C
(22°F)
-1°C
(31°F)
4°C
(40°F)
9°C
(49°F)
16°C
(62°F)
21°C
(70°F)
20°C
(69°F)
13°C
(56°F)
4°C
(39°F)
-3°C
(27°F)
-3°C
(27°F)

Compare climate in Mount Vernon with other places

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

Monthly average precipitation in Mount Vernon, Alabama, United States §

Mount Vernon usually has the most precipitation in June, July and August, with an average of 19 rainy days and 173 mm (6.8 inches) of precipitation per month.The driest months in Mount Vernon are January, February and November. On average, 89 mm (3.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Mount Vernon, 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) 102 (4.0) 98 (3.9) 108 (4.2) 120 (4.7) 141 (5.6) 210 (8.3) 149 (5.9) 160 (6.3) 132 (5.2) 119 (4.7) 65 (2.6) 130 (5.1)
Average precipitation days (≥ 1 mm) 8 13 10 9 10 18 20 20 12 9 6 12

Monthly sunshine hours in Mount Vernon, Alabama, United States §

The sunniest months in Mount Vernon are May, July and August, when the sun shines an average of 10 hours 6 minutes a day.Least sunny months in Mount Vernon: January, February and December receive an average of 6 hours 14 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Mount Vernon, 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 172 188 253 283 318 285 316 304 278 271 255 206
Mean daily daylight hours 10h 23m 11h 5m 12h 0m 12h 56m 13h 43m 14h 6m 13h 53m 13h 12m 12h 18m 11h 22m 10h 34m 10h 10m

Solar UV radiation in Mount Vernon, Alabama, United States §

Mount Vernon experiences the highest level of ultraviolet (UV) radiation in April, May 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 Mount Vernon UV Index data.

Average daily maximum UV levels by month for Mount Vernon, 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) 5 8 9 11 11 11 11 11 10 8 6 4