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Monthly climate in Seymour, Tennessee, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Seymour features a humid subtropical climate (Cfa).Temperatures typically range between 5 °C (41 °F) and 26 °C (79 °F) through the year, but rarely can drop to -14 °C (7 °F) or can rise to as high as 36 °C (96 °F).The average annual precipitation amounts to about 1370 mm (53.9 inches) and receives 139 rainy days on the 1 mm (0.04 inches) threshold annually.Seymour enjoys an average of 3008 hours of sunshine throughout the year, and daylight varies from 9 hours 45 minutes to 14 hours 32 minutes per day.

Monthly average temperatures in Seymour, Tennessee, United States §

The warmest months in Seymour are June, July and August, with daily mean temperatures ranging from 24 to 26 °C (75 - 79 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 5 to 8 °C (41 - 46 °F) throughout the day. On average each year, Seymour experiences 131 days above 25 °C (77.0 °F) and 41 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Seymour, Tennessee, 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 24°C
(75°F)		 26°C
(79°F)		 28°C
(83°F)		 31°C
(88°F)		 33°C
(91°F)		 34°C
(94°F)		 36°C
(96°F)		 35°C
(96°F)		 35°C
(96°F)		 35°C
(96°F)		 27°C
(81°F)		 23°C
(74°F)
Mean maximum 20°C
(68°F)		 23°C
(74°F)		 26°C
(78°F)		 28°C
(83°F)		 31°C
(89°F)		 32°C
(91°F)		 35°C
(95°F)		 33°C
(92°F)		 33°C
(91°F)		 31°C
(88°F)		 24°C
(75°F)		 20°C
(69°F)
Average high 9°C
(49°F)		 13°C
(56°F)		 16°C
(62°F)		 21°C
(70°F)		 25°C
(78°F)		 29°C
(84°F)		 31°C
(88°F)		 30°C
(86°F)		 28°C
(83°F)		 23°C
(73°F)		 15°C
(59°F)		 12°C
(53°F)
Daily mean 5°C
(41°F)		 8°C
(46°F)		 11°C
(52°F)		 15°C
(59°F)		 20°C
(69°F)		 24°C
(75°F)		 26°C
(79°F)		 25°C
(77°F)		 23°C
(73°F)		 17°C
(63°F)		 9°C
(49°F)		 7°C
(45°F)
Average low 1°C
(34°F)		 3°C
(38°F)		 6°C
(43°F)		 9°C
(49°F)		 15°C
(59°F)		 19°C
(66°F)		 21°C
(71°F)		 21°C
(69°F)		 18°C
(65°F)		 12°C
(54°F)		 4°C
(39°F)		 2°C
(37°F)
Mean minimum -9°C
(16°F)		 -6°C
(21°F)		 -6°C
(22°F)		 -0°C
(32°F)		 6°C
(43°F)		 14°C
(57°F)		 17°C
(63°F)		 16°C
(61°F)		 11°C
(53°F)		 2°C
(35°F)		 -4°C
(25°F)		 -7°C
(21°F)
Minimum -14°C
(7°F)		 -8°C
(18°F)		 -14°C
(7°F)		 -2°C
(29°F)		 2°C
(36°F)		 10°C
(50°F)		 15°C
(59°F)		 15°C
(59°F)		 8°C
(47°F)		 -1°C
(30°F)		 -8°C
(18°F)		 -13°C
(9°F)

Compare climate in Seymour with other places

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

Monthly average precipitation in Seymour, Tennessee, United States §

Seymour usually has the most precipitation in February, March and December, with an average of 13 rainy days and 144 mm (5.7 inches) of precipitation per month.The driest months in Seymour are January, September and November. On average, 86 mm (3.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Seymour, Tennessee, 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) 94 (3.7) 155 (6.1) 145 (5.7) 130 (5.1) 107 (4.2) 107 (4.2) 107 (4.2) 111 (4.4) 90 (3.5) 119 (4.7) 75 (3.0) 131 (5.1)
Average precipitation days (≥ 1 mm) 11 15 13 11 12 12 13 13 9 11 8 11

Monthly sunshine hours in Seymour, Tennessee, United States §

The sunniest months in Seymour are June, July and August, when the sun shines an average of 10 hours 27 minutes a day.Least sunny months in Seymour: January, February and December receive an average of 5 hours 11 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Seymour, Tennessee, 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 146 158 229 262 304 312 334 314 286 263 227 168
Mean daily daylight hours 10h 1m 10h 53m 11h 59m 13h 7m 14h 4m 14h 32m 14h 17m 13h 26m 12h 21m 11h 13m 10h 14m 9h 45m

Solar UV radiation in Seymour, Tennessee, United States §

Seymour 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 Seymour UV Index data.

Average daily maximum UV levels by month for Seymour, Tennessee, 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) 3 6 8 10 11 11 11 10 9 7 5 3