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Monthly climate in Seymour, Texas, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Seymour features a humid subtropical climate (Cfa).Temperatures typically range between 7 °C (44 °F) and 30 °C (87 °F) through the year, but rarely can drop to -21 °C (-6 °F) or can rise to as high as 43 °C (110 °F).The average annual precipitation amounts to about 682 mm (26.9 inches) and receives 66 rainy days on the 1 mm (0.04 inches) threshold annually.Seymour enjoys an average of 3411 hours of sunshine throughout the year, and daylight varies from 9 hours 56 minutes to 14 hours 19 minutes per day.

Monthly average temperatures in Seymour, Texas, United States §

The warmest months in Seymour are June, July and August, with daily mean temperatures ranging from 28 to 30 °C (83 - 87 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 7 to 9 °C (44 - 49 °F) throughout the day. On average each year, Seymour experiences 177 days above 25 °C (77.0 °F) and 37 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, Texas, 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 28°C
(83°F)		 34°C
(94°F)		 36°C
(97°F)		 37°C
(98°F)		 42°C
(108°F)		 40°C
(104°F)		 43°C
(110°F)		 42°C
(108°F)		 40°C
(104°F)		 38°C
(100°F)		 32°C
(91°F)		 31°C
(88°F)
Mean maximum 25°C
(77°F)		 29°C
(84°F)		 32°C
(90°F)		 35°C
(96°F)		 37°C
(100°F)		 38°C
(101°F)		 41°C
(105°F)		 40°C
(104°F)		 38°C
(101°F)		 35°C
(95°F)		 29°C
(85°F)		 27°C
(80°F)
Average high 14°C
(57°F)		 15°C
(59°F)		 22°C
(72°F)		 25°C
(78°F)		 30°C
(86°F)		 34°C
(93°F)		 36°C
(97°F)		 35°C
(96°F)		 31°C
(89°F)		 25°C
(78°F)		 20°C
(68°F)		 16°C
(61°F)
Daily mean 7°C
(44°F)		 8°C
(46°F)		 15°C
(59°F)		 18°C
(65°F)		 24°C
(75°F)		 28°C
(83°F)		 30°C
(87°F)		 29°C
(85°F)		 25°C
(78°F)		 19°C
(66°F)		 12°C
(55°F)		 9°C
(49°F)
Average low 1°C
(34°F)		 2°C
(35°F)		 8°C
(47°F)		 11°C
(53°F)		 18°C
(64°F)		 22°C
(72°F)		 24°C
(76°F)		 24°C
(75°F)		 20°C
(68°F)		 13°C
(55°F)		 6°C
(44°F)		 3°C
(38°F)
Mean minimum -9°C
(16°F)		 -10°C
(14°F)		 -2°C
(29°F)		 2°C
(36°F)		 8°C
(48°F)		 18°C
(64°F)		 21°C
(70°F)		 19°C
(66°F)		 13°C
(56°F)		 1°C
(35°F)		 -2°C
(28°F)		 -4°C
(24°F)
Minimum -14°C
(6°F)		 -21°C
(-6°F)		 -9°C
(17°F)		 -2°C
(29°F)		 4°C
(40°F)		 15°C
(59°F)		 18°C
(65°F)		 17°C
(62°F)		 8°C
(47°F)		 -2°C
(29°F)		 -7°C
(19°F)		 -6°C
(21°F)

Compare climate in Seymour with other places

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

Monthly average precipitation in Seymour, Texas, United States §

Seymour usually has the most precipitation in May, September and October, with an average of 7 rainy days and 99 mm (3.9 inches) of precipitation per month.The driest months in Seymour are February, July and November. On average, 27 mm (1.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Seymour, Texas, 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) 34 (1.3) 32 (1.3) 68 (2.7) 72 (2.8) 118 (4.7) 49 (1.9) 18 (0.7) 50 (2.0) 105 (4.1) 74 (2.9) 30 (1.2) 33 (1.3)
Average precipitation days (≥ 1 mm) 4 5 6 6 10 6 4 5 6 6 4 4

Monthly sunshine hours in Seymour, Texas, United States §

The sunniest months in Seymour are June, July and August, when the sun shines an average of 11 hours 38 minutes a day.Least sunny months in Seymour: January, February and November receive an average of 7 hours 19 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Seymour, Texas, 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 194 220 265 287 316 356 371 342 291 275 243 245
Mean daily daylight hours 10h 11m 10h 59m 11h 59m 13h 2m 13h 54m 14h 19m 14h 5m 13h 19m 12h 19m 11h 17m 10h 23m 9h 56m

Solar UV radiation in Seymour, Texas, United States §

Seymour experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 11 - 12, which corresponds to the Extreme category of sun exposure.January, February 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 Seymour UV Index data.

Average daily maximum UV levels by month for Seymour, Texas, 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 6 8 10 11 11 12 11 10 8 6 4