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Monthly climate in Morrilton, Arkansas, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Morrilton features a humid subtropical climate (Cfa).Temperatures typically range between 5 °C (41 °F) and 27 °C (82 °F) through the year, but rarely can drop to -22 °C (-7 °F) or can rise to as high as 39 °C (103 °F).The average annual precipitation amounts to about 1418 mm (55.8 inches) and receives 125 rainy days on the 1 mm (0.04 inches) threshold annually.Morrilton enjoys an average of 3013 hours of sunshine throughout the year, and daylight varies from 9 hours 49 minutes to 14 hours 28 minutes per day.

Monthly average temperatures in Morrilton, Arkansas, United States §

The warmest months in Morrilton are June, July and August, with daily mean temperatures ranging from 26 to 27 °C (78 - 82 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 5 to 8 °C (41 - 46 °F) throughout the day. On average each year, Morrilton experiences 139 days above 25 °C (77.0 °F) and 44 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Morrilton, 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
(87°F)		 31°C
(89°F)		 36°C
(96°F)		 39°C
(102°F)		 39°C
(103°F)		 38°C
(100°F)		 36°C
(97°F)		 34°C
(94°F)		 29°C
(85°F)		 26°C
(79°F)
Mean maximum 20°C
(69°F)		 24°C
(75°F)		 27°C
(81°F)		 29°C
(84°F)		 32°C
(90°F)		 34°C
(94°F)		 37°C
(98°F)		 36°C
(97°F)		 35°C
(95°F)		 32°C
(90°F)		 24°C
(76°F)		 23°C
(74°F)
Average high 10°C
(50°F)		 12°C
(54°F)		 18°C
(65°F)		 21°C
(70°F)		 27°C
(80°F)		 31°C
(88°F)		 33°C
(91°F)		 31°C
(89°F)		 30°C
(86°F)		 23°C
(74°F)		 16°C
(62°F)		 13°C
(56°F)
Daily mean 5°C
(41°F)		 7°C
(44°F)		 12°C
(54°F)		 15°C
(60°F)		 21°C
(70°F)		 26°C
(78°F)		 27°C
(82°F)		 26°C
(80°F)		 24°C
(76°F)		 17°C
(63°F)		 10°C
(50°F)		 8°C
(46°F)
Average low 0°C
(33°F)		 1°C
(35°F)		 7°C
(44°F)		 10°C
(50°F)		 16°C
(61°F)		 20°C
(69°F)		 23°C
(73°F)		 22°C
(71°F)		 19°C
(66°F)		 12°C
(54°F)		 4°C
(40°F)		 3°C
(38°F)
Mean minimum -9°C
(15°F)		 -9°C
(17°F)		 -3°C
(28°F)		 0°C
(33°F)		 9°C
(48°F)		 15°C
(60°F)		 18°C
(65°F)		 18°C
(64°F)		 12°C
(53°F)		 3°C
(37°F)		 -3°C
(26°F)		 -5°C
(23°F)
Minimum -15°C
(5°F)		 -22°C
(-7°F)		 -7°C
(20°F)		 -1°C
(30°F)		 6°C
(44°F)		 11°C
(52°F)		 16°C
(61°F)		 17°C
(62°F)		 9°C
(48°F)		 -1°C
(30°F)		 -9°C
(16°F)		 -9°C
(17°F)

Compare climate in Morrilton with other places

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

Monthly average precipitation in Morrilton, Arkansas, United States §

Morrilton usually has the most precipitation in March, April and May, with an average of 13 rainy days and 163 mm (6.4 inches) of precipitation per month.The driest months in Morrilton are July, September and November. On average, 82 mm (3.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Morrilton, 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) 91 (3.6) 146 (5.8) 147 (5.8) 153 (6.0) 188 (7.4) 123 (4.9) 85 (3.3) 122 (4.8) 71 (2.8) 96 (3.8) 90 (3.5) 106 (4.2)
Average precipitation days (≥ 1 mm) 10 13 14 11 14 10 10 11 7 8 9 8

Monthly sunshine hours in Morrilton, Arkansas, United States §

The sunniest months in Morrilton are June, July and August, when the sun shines an average of 10 hours 43 minutes a day.Least sunny months in Morrilton: January, February and December receive an average of 5 hours 44 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Morrilton, 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 149 167 210 246 292 324 350 312 286 253 213 206
Mean daily daylight hours 10h 4m 10h 55m 11h 59m 13h 5m 14h 1m 14h 28m 14h 13m 13h 24m 12h 20m 11h 14m 10h 17m 9h 49m

Solar UV radiation in Morrilton, Arkansas, United States §

Morrilton 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 Morrilton UV Index data.

Average daily maximum UV levels by month for Morrilton, 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