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Monthly climate in Altus, Arkansas, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Altus features a humid subtropical climate (Cfa).Temperatures typically range between 4 °C (40 °F) and 27 °C (81 °F) through the year, but rarely can drop to -20 °C (-4 °F) or can rise to as high as 39 °C (102 °F).The average annual precipitation amounts to about 1473 mm (58.0 inches) and receives 128 rainy days on the 1 mm (0.04 inches) threshold annually.Altus enjoys an average of 3032 hours of sunshine throughout the year, and daylight varies from 9 hours 47 minutes to 14 hours 29 minutes per day.

Monthly average temperatures in Altus, Arkansas, United States §

The warmest months in Altus are June, July and August, with daily mean temperatures ranging from 25 to 27 °C (77 - 81 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 4 to 7 °C (40 - 45 °F) throughout the day. On average each year, Altus experiences 131 days above 25 °C (77.0 °F) and 49 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Altus, Arkansas, 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 22°C
(72°F)		 28°C
(82°F)		 31°C
(89°F)		 31°C
(88°F)		 33°C
(92°F)		 36°C
(97°F)		 39°C
(102°F)		 36°C
(98°F)		 36°C
(97°F)		 33°C
(92°F)		 28°C
(83°F)		 24°C
(76°F)
Mean maximum 20°C
(67°F)		 23°C
(74°F)		 27°C
(81°F)		 28°C
(83°F)		 31°C
(88°F)		 33°C
(92°F)		 36°C
(97°F)		 35°C
(95°F)		 34°C
(94°F)		 31°C
(89°F)		 23°C
(74°F)		 22°C
(72°F)
Average high 9°C
(49°F)		 11°C
(53°F)		 18°C
(64°F)		 21°C
(69°F)		 25°C
(78°F)		 30°C
(86°F)		 32°C
(90°F)		 31°C
(88°F)		 29°C
(85°F)		 22°C
(73°F)		 16°C
(60°F)		 12°C
(55°F)
Daily mean 4°C
(40°F)		 6°C
(43°F)		 12°C
(53°F)		 15°C
(59°F)		 20°C
(69°F)		 25°C
(77°F)		 27°C
(81°F)		 26°C
(78°F)		 24°C
(75°F)		 17°C
(62°F)		 10°C
(49°F)		 7°C
(45°F)
Average low -0°C
(32°F)		 1°C
(34°F)		 6°C
(43°F)		 9°C
(49°F)		 15°C
(60°F)		 20°C
(68°F)		 22°C
(72°F)		 21°C
(70°F)		 19°C
(66°F)		 11°C
(53°F)		 4°C
(39°F)		 2°C
(37°F)
Mean minimum -10°C
(14°F)		 -9°C
(15°F)		 -3°C
(26°F)		 -0°C
(32°F)		 8°C
(46°F)		 15°C
(58°F)		 18°C
(64°F)		 17°C
(64°F)		 12°C
(53°F)		 2°C
(36°F)		 -4°C
(26°F)		 -5°C
(23°F)
Minimum -16°C
(3°F)		 -20°C
(-4°F)		 -9°C
(15°F)		 -2°C
(29°F)		 5°C
(41°F)		 12°C
(54°F)		 16°C
(61°F)		 16°C
(61°F)		 8°C
(47°F)		 -2°C
(29°F)		 -8°C
(18°F)		 -7°C
(19°F)

Compare climate in Altus with other places

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

Monthly average precipitation in Altus, Arkansas, United States §

Altus usually has the most precipitation in March, April and May, with an average of 13 rainy days and 179 mm (7.0 inches) of precipitation per month.The driest months in Altus are July, September and November. On average, 81 mm (3.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Altus, Arkansas, 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) 101 (4.0) 136 (5.4) 162 (6.4) 162 (6.4) 212 (8.3) 108 (4.3) 84 (3.3) 122 (4.8) 64 (2.5) 119 (4.7) 96 (3.8) 106 (4.2)
Average precipitation days (≥ 1 mm) 9 12 15 10 14 11 11 13 6 10 9 8

Monthly sunshine hours in Altus, Arkansas, United States §

The sunniest months in Altus are June, July and August, when the sun shines an average of 10 hours 45 minutes a day.Least sunny months in Altus: January, February and March receive an average of 5 hours 53 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Altus, Arkansas, 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 153 173 210 244 291 329 349 310 291 249 216 213
Mean daily daylight hours 10h 3m 10h 54m 11h 59m 13h 6m 14h 2m 14h 29m 14h 14m 13h 25m 12h 20m 11h 14m 10h 16m 9h 47m

Solar UV radiation in Altus, Arkansas, United States §

Altus 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 Altus UV Index data.

Average daily maximum UV levels by month for Altus, Arkansas, 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 11 10 9 7 5 4