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Monthly climate in Dumas, Texas, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Dumas features a cold semi-arid climate (BSk).Temperatures typically range between 3 °C (37 °F) and 27 °C (80 °F) through the year, but rarely can drop to -26 °C (-15 °F) or can rise to as high as 42 °C (107 °F).The average annual precipitation amounts to about 429 mm (16.9 inches) and receives 62 rainy days on the 1 mm (0.04 inches) threshold annually.Dumas enjoys an average of 3523 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 Dumas, Texas, United States §

The warmest months in Dumas are June, July and August, with daily mean temperatures ranging from 25 to 27 °C (77 - 80 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 3 to 5 °C (37 - 40 °F) throughout the day. On average each year, Dumas experiences 143 days above 25 °C (77.0 °F) and 80 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Dumas, 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 24°C
(75°F)		 30°C
(87°F)		 32°C
(90°F)		 33°C
(91°F)		 37°C
(100°F)		 40°C
(104°F)		 42°C
(107°F)		 39°C
(103°F)		 39°C
(103°F)		 35°C
(95°F)		 30°C
(86°F)		 24°C
(76°F)
Mean maximum 20°C
(69°F)		 25°C
(77°F)		 29°C
(84°F)		 31°C
(88°F)		 34°C
(94°F)		 37°C
(100°F)		 39°C
(102°F)		 37°C
(100°F)		 36°C
(97°F)		 32°C
(91°F)		 26°C
(80°F)		 21°C
(70°F)
Average high 11°C
(52°F)		 12°C
(54°F)		 18°C
(65°F)		 22°C
(71°F)		 27°C
(81°F)		 32°C
(90°F)		 34°C
(93°F)		 33°C
(91°F)		 30°C
(85°F)		 22°C
(71°F)		 17°C
(62°F)		 12°C
(55°F)
Daily mean 3°C
(37°F)		 4°C
(39°F)		 10°C
(50°F)		 14°C
(57°F)		 19°C
(67°F)		 25°C
(77°F)		 27°C
(80°F)		 26°C
(78°F)		 22°C
(72°F)		 14°C
(58°F)		 9°C
(48°F)		 5°C
(40°F)
Average low -3°C
(27°F)		 -3°C
(27°F)		 3°C
(37°F)		 6°C
(43°F)		 12°C
(54°F)		 18°C
(64°F)		 20°C
(68°F)		 19°C
(67°F)		 16°C
(60°F)		 8°C
(46°F)		 2°C
(36°F)		 -2°C
(29°F)
Mean minimum -13°C
(10°F)		 -14°C
(7°F)		 -6°C
(22°F)		 -2°C
(28°F)		 4°C
(40°F)		 12°C
(54°F)		 17°C
(62°F)		 15°C
(59°F)		 8°C
(47°F)		 -3°C
(27°F)		 -6°C
(21°F)		 -8°C
(18°F)
Minimum -18°C
(-0°F)		 -26°C
(-15°F)		 -12°C
(10°F)		 -6°C
(21°F)		 1°C
(33°F)		 10°C
(51°F)		 16°C
(60°F)		 13°C
(55°F)		 2°C
(37°F)		 -8°C
(19°F)		 -11°C
(12°F)		 -12°C
(11°F)

Compare climate in Dumas with other places

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

Monthly average precipitation in Dumas, Texas, United States §

Dumas usually has the most precipitation in May, August and October, with an average of 8 rainy days and 61 mm (2.4 inches) of precipitation per month.The driest months in Dumas are February, November and December. On average, 12 mm (0.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Dumas, 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) 16 (0.6) 10 (0.4) 47 (1.9) 37 (1.4) 70 (2.7) 41 (1.6) 37 (1.5) 58 (2.3) 29 (1.1) 56 (2.2) 12 (0.5) 14 (0.6)
Average precipitation days (≥ 1 mm) 3 3 4 5 9 6 7 10 5 5 3 2

Monthly sunshine hours in Dumas, Texas, United States §

The sunniest months in Dumas are June, July and August, when the sun shines an average of 11 hours 44 minutes a day.Least sunny months in Dumas: January, February and December receive an average of 7 hours 36 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Dumas, 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 198 240 276 304 342 361 372 346 303 266 258 252
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 Dumas, Texas, United States §

Dumas experiences the highest level of ultraviolet (UV) radiation in April, June and July, 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 exposure category. In these months, the maximum values of the UV index do not exceed 5. For more detailed information, check out our hourly Dumas UV Index data.

Average daily maximum UV levels by month for Dumas, 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 11 11 12 12 11 10 7 5 4