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Monthly climate in Dilley, Texas, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Dilley features a humid subtropical climate (Cfa).Temperatures typically range between 13 °C (56 °F) and 32 °C (89 °F) through the year, but rarely can drop to -10 °C (15 °F) or can rise to as high as 44 °C (111 °F).The average annual precipitation amounts to about 611 mm (24.0 inches) and receives 75 rainy days on the 1 mm (0.04 inches) threshold annually.Dilley enjoys an average of 3192 hours of sunshine throughout the year, and daylight varies from 10 hours 20 minutes to 13 hours 55 minutes per day.

Monthly average temperatures in Dilley, Texas, United States §

The warmest months in Dilley are June, July and August, with daily mean temperatures ranging from 30 to 32 °C (86 - 89 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 13 to 15 °C (56 - 59 °F) throughout the day. On average each year, Dilley experiences 234 days above 25 °C (77.0 °F) and 5 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Dilley, 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 31°C
(89°F)		 36°C
(98°F)		 34°C
(94°F)		 40°C
(104°F)		 40°C
(105°F)		 43°C
(110°F)		 44°C
(111°F)		 42°C
(108°F)		 41°C
(105°F)		 39°C
(102°F)		 34°C
(93°F)		 33°C
(91°F)
Mean maximum 28°C
(83°F)		 32°C
(90°F)		 34°C
(93°F)		 38°C
(100°F)		 38°C
(101°F)		 40°C
(104°F)		 41°C
(107°F)		 41°C
(106°F)		 40°C
(104°F)		 36°C
(98°F)		 32°C
(89°F)		 29°C
(85°F)
Average high 20°C
(68°F)		 22°C
(71°F)		 27°C
(81°F)		 30°C
(86°F)		 33°C
(92°F)		 36°C
(97°F)		 38°C
(100°F)		 38°C
(101°F)		 34°C
(94°F)		 30°C
(86°F)		 24°C
(76°F)		 21°C
(70°F)
Daily mean 13°C
(56°F)		 15°C
(59°F)		 20°C
(69°F)		 23°C
(74°F)		 27°C
(81°F)		 30°C
(86°F)		 31°C
(88°F)		 32°C
(89°F)		 28°C
(84°F)		 24°C
(75°F)		 18°C
(64°F)		 15°C
(59°F)
Average low 8°C
(46°F)		 9°C
(49°F)		 15°C
(58°F)		 17°C
(64°F)		 22°C
(71°F)		 24°C
(76°F)		 25°C
(78°F)		 26°C
(79°F)		 23°C
(74°F)		 18°C
(65°F)		 12°C
(54°F)		 9°C
(48°F)
Mean minimum -1°C
(30°F)		 -1°C
(31°F)		 5°C
(42°F)		 8°C
(48°F)		 15°C
(59°F)		 22°C
(72°F)		 22°C
(73°F)		 23°C
(74°F)		 18°C
(65°F)		 7°C
(45°F)		 3°C
(37°F)		 1°C
(34°F)
Minimum -5°C
(23°F)		 -10°C
(15°F)		 -1°C
(31°F)		 5°C
(42°F)		 11°C
(52°F)		 19°C
(66°F)		 19°C
(66°F)		 21°C
(70°F)		 14°C
(58°F)		 4°C
(39°F)		 -3°C
(26°F)		 -3°C
(28°F)

Compare climate in Dilley with other places

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

Monthly average precipitation in Dilley, Texas, United States §

Dilley usually has the most precipitation in May, September and October, with an average of 8 rainy days and 91 mm (3.6 inches) of precipitation per month.The driest months in Dilley are January, February and December. On average, 29 mm (1.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Dilley, 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) 25 (1.0) 32 (1.3) 34 (1.3) 49 (1.9) 104 (4.1) 47 (1.8) 53 (2.1) 35 (1.4) 107 (4.2) 60 (2.4) 35 (1.4) 28 (1.1)
Average precipitation days (≥ 1 mm) 4 7 5 7 11 8 6 4 8 7 4 4

Monthly sunshine hours in Dilley, Texas, United States §

The sunniest months in Dilley are June, July and August, when the sun shines an average of 11 hours 10 minutes a day.Least sunny months in Dilley: January, February and November receive an average of 6 hours 28 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Dilley, 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 176 178 247 261 291 338 350 338 283 269 227 229
Mean daily daylight hours 10h 32m 11h 10m 12h 0m 12h 52m 13h 34m 13h 55m 13h 44m 13h 6m 12h 17m 11h 26m 10h 42m 10h 20m

Solar UV radiation in Dilley, Texas, United States §

Dilley experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 12 - 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 7. For more detailed information, check out our hourly Dilley UV Index data.

Average daily maximum UV levels by month for Dilley, 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) 5 8 9 11 11 12 12 12 11 9 7 5