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Monthly climate in Thornton, Texas, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Thornton features a humid subtropical climate (Cfa).Temperatures typically range between 10 °C (50 °F) and 30 °C (87 °F) through the year, but rarely can drop to -17 °C (2 °F) or can rise to as high as 44 °C (111 °F).The average annual precipitation amounts to about 1145 mm (45.1 inches) and receives 115 rainy days on the 1 mm (0.04 inches) threshold annually.Thornton enjoys an average of 3105 hours of sunshine throughout the year, and daylight varies from 10 hours 7 minutes to 14 hours 8 minutes per day.

Monthly average temperatures in Thornton, Texas, United States §

The warmest months in Thornton are June, July and August, with daily mean temperatures ranging from 28 to 30 °C (82 - 87 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 10 to 12 °C (50 - 54 °F) throughout the day. On average each year, Thornton experiences 187 days above 25 °C (77.0 °F) and 13 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Thornton, 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 27°C
(81°F)		 30°C
(86°F)		 30°C
(86°F)		 33°C
(91°F)		 37°C
(99°F)		 38°C
(101°F)		 44°C
(111°F)		 41°C
(105°F)		 39°C
(103°F)		 36°C
(97°F)		 30°C
(87°F)		 28°C
(83°F)
Mean maximum 25°C
(78°F)		 27°C
(81°F)		 29°C
(84°F)		 31°C
(88°F)		 34°C
(93°F)		 36°C
(97°F)		 39°C
(103°F)		 39°C
(103°F)		 38°C
(100°F)		 34°C
(94°F)		 28°C
(83°F)		 27°C
(80°F)
Average high 16°C
(61°F)		 16°C
(62°F)		 22°C
(73°F)		 25°C
(77°F)		 29°C
(85°F)		 33°C
(91°F)		 35°C
(96°F)		 36°C
(97°F)		 32°C
(90°F)		 27°C
(81°F)		 21°C
(70°F)		 18°C
(65°F)
Daily mean 10°C
(50°F)		 11°C
(52°F)		 17°C
(63°F)		 19°C
(67°F)		 24°C
(76°F)		 28°C
(82°F)		 30°C
(86°F)		 30°C
(87°F)		 27°C
(81°F)		 21°C
(71°F)		 15°C
(59°F)		 12°C
(54°F)
Average low 5°C
(41°F)		 6°C
(43°F)		 12°C
(53°F)		 14°C
(57°F)		 19°C
(67°F)		 23°C
(74°F)		 25°C
(77°F)		 25°C
(77°F)		 22°C
(72°F)		 16°C
(61°F)		 9°C
(49°F)		 7°C
(45°F)
Mean minimum -5°C
(24°F)		 -5°C
(24°F)		 2°C
(35°F)		 5°C
(41°F)		 12°C
(54°F)		 20°C
(68°F)		 21°C
(71°F)		 22°C
(72°F)		 15°C
(60°F)		 5°C
(42°F)		 0°C
(33°F)		 -1°C
(30°F)
Minimum -10°C
(14°F)		 -17°C
(2°F)		 -5°C
(23°F)		 3°C
(38°F)		 8°C
(47°F)		 17°C
(63°F)		 19°C
(66°F)		 20°C
(69°F)		 11°C
(51°F)		 2°C
(37°F)		 -4°C
(25°F)		 -2°C
(28°F)

Compare climate in Thornton with other places

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

Monthly average precipitation in Thornton, Texas, United States §

Thornton usually has the most precipitation in April, May and October, with an average of 11 rainy days and 131 mm (5.2 inches) of precipitation per month.The driest months in Thornton are June, July and November. On average, 67 mm (2.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Thornton, 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) 78 (3.1) 102 (4.0) 97 (3.8) 116 (4.6) 168 (6.6) 75 (3.0) 59 (2.3) 84 (3.3) 98 (3.9) 109 (4.3) 67 (2.6) 91 (3.6)
Average precipitation days (≥ 1 mm) 7 10 10 10 14 11 11 7 10 9 7 9

Monthly sunshine hours in Thornton, Texas, United States §

The sunniest months in Thornton are June, July and August, when the sun shines an average of 10 hours 56 minutes a day.Least sunny months in Thornton: January, February and December receive an average of 5 hours 57 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Thornton, 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 168 158 230 258 278 328 353 325 280 269 239 214
Mean daily daylight hours 10h 21m 11h 4m 12h 0m 12h 57m 13h 45m 14h 8m 13h 55m 13h 13m 12h 18m 11h 21m 10h 32m 10h 7m

Solar UV radiation in Thornton, Texas, United States §

Thornton experiences the highest level of ultraviolet (UV) radiation in April, July and August, when the maximum UV index can reach values of 11 - 12, 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 Thornton UV Index data.

Average daily maximum UV levels by month for Thornton, 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 7 8 11 11 11 12 11 10 8 6 4