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Monthly climate in Altheimer, Arkansas, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Altheimer features a humid subtropical climate (Cfa).Temperatures typically range between 7 °C (44 °F) and 28 °C (83 °F) through the year, but rarely can drop to -19 °C (-1 °F) or can rise to as high as 37 °C (100 °F).The average annual precipitation amounts to about 1527 mm (60.1 inches) and receives 127 rainy days on the 1 mm (0.04 inches) threshold annually.Altheimer enjoys an average of 3065 hours of sunshine throughout the year, and daylight varies from 9 hours 53 minutes to 14 hours 23 minutes per day.

Monthly average temperatures in Altheimer, Arkansas, United States §

The warmest months in Altheimer are June, July and August, with daily mean temperatures ranging from 26 to 28 °C (80 - 83 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 7 to 9 °C (44 - 49 °F) throughout the day. On average each year, Altheimer experiences 151 days above 25 °C (77.0 °F) and 27 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Altheimer, 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 25°C
(77°F)		 28°C
(83°F)		 31°C
(87°F)		 30°C
(86°F)		 34°C
(93°F)		 36°C
(97°F)		 37°C
(100°F)		 37°C
(98°F)		 37°C
(99°F)		 36°C
(97°F)		 29°C
(85°F)		 26°C
(79°F)
Mean maximum 22°C
(72°F)		 25°C
(77°F)		 28°C
(82°F)		 29°C
(84°F)		 33°C
(91°F)		 34°C
(94°F)		 35°C
(96°F)		 36°C
(96°F)		 34°C
(94°F)		 32°C
(90°F)		 26°C
(79°F)		 23°C
(74°F)
Average high 12°C
(53°F)		 14°C
(57°F)		 20°C
(67°F)		 22°C
(72°F)		 28°C
(82°F)		 31°C
(88°F)		 32°C
(90°F)		 32°C
(89°F)		 30°C
(86°F)		 24°C
(75°F)		 17°C
(63°F)		 14°C
(58°F)
Daily mean 7°C
(44°F)		 9°C
(48°F)		 14°C
(58°F)		 17°C
(63°F)		 23°C
(73°F)		 26°C
(80°F)		 28°C
(83°F)		 27°C
(81°F)		 25°C
(77°F)		 19°C
(66°F)		 11°C
(53°F)		 9°C
(49°F)
Average low 2°C
(37°F)		 4°C
(39°F)		 9°C
(49°F)		 12°C
(53°F)		 18°C
(65°F)		 22°C
(72°F)		 24°C
(75°F)		 23°C
(74°F)		 20°C
(69°F)		 14°C
(57°F)		 6°C
(43°F)		 5°C
(41°F)
Mean minimum -8°C
(18°F)		 -7°C
(21°F)		 -1°C
(31°F)		 2°C
(36°F)		 11°C
(52°F)		 17°C
(63°F)		 20°C
(68°F)		 19°C
(66°F)		 14°C
(57°F)		 4°C
(40°F)		 -2°C
(28°F)		 -4°C
(25°F)
Minimum -14°C
(7°F)		 -19°C
(-1°F)		 -5°C
(24°F)		 0°C
(32°F)		 9°C
(49°F)		 13°C
(55°F)		 18°C
(64°F)		 19°C
(66°F)		 11°C
(52°F)		 -1°C
(31°F)		 -8°C
(18°F)		 -7°C
(19°F)

Compare climate in Altheimer with other places

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

Monthly average precipitation in Altheimer, Arkansas, United States §

Altheimer usually has the most precipitation in February, March and April, with an average of 12 rainy days and 163 mm (6.4 inches) of precipitation per month.The driest months in Altheimer are July, September and November. On average, 88 mm (3.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Altheimer, 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) 110 (4.3) 167 (6.6) 166 (6.5) 156 (6.2) 148 (5.8) 104 (4.1) 94 (3.7) 120 (4.7) 95 (3.8) 135 (5.3) 76 (3.0) 156 (6.1)
Average precipitation days (≥ 1 mm) 9 14 14 10 13 11 11 10 7 9 8 11

Monthly sunshine hours in Altheimer, Arkansas, United States §

The sunniest months in Altheimer are June, July and August, when the sun shines an average of 10 hours 45 minutes a day.Least sunny months in Altheimer: January, February and December receive an average of 5 hours 35 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Altheimer, 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 147 162 217 257 314 322 352 314 286 261 230 198
Mean daily daylight hours 10h 8m 10h 57m 11h 59m 13h 3m 13h 57m 14h 23m 14h 9m 13h 21m 12h 20m 11h 16m 10h 21m 9h 53m

Solar UV radiation in Altheimer, Arkansas, United States §

Altheimer experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 11 - 12, which corresponds to the Extreme category of sun exposure.January, February 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 Altheimer UV Index data.

Average daily maximum UV levels by month for Altheimer, 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 12 11 10 9 7 6 4