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Monthly climate in Alva, Oklahoma, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Alva features a humid subtropical climate (Cfa).Temperatures typically range between 2 °C (36 °F) and 28 °C (83 °F) through the year, but rarely can drop to -23 °C (-10 °F) or can rise to as high as 41 °C (106 °F).The average annual precipitation amounts to about 692 mm (27.2 inches) and receives 76 rainy days on the 1 mm (0.04 inches) threshold annually.Alva enjoys an average of 3336 hours of sunshine throughout the year, and daylight varies from 9 hours 40 minutes to 14 hours 37 minutes per day.

Monthly average temperatures in Alva, Oklahoma, United States §

The warmest months in Alva are June, July and August, with daily mean temperatures ranging from 26 to 28 °C (79 - 83 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 2 to 5 °C (36 - 41 °F) throughout the day. On average each year, Alva experiences 141 days above 25 °C (77.0 °F) and 75 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Alva, Oklahoma, 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)		 28°C
(83°F)		 32°C
(90°F)		 36°C
(96°F)		 36°C
(97°F)		 39°C
(103°F)		 41°C
(106°F)		 40°C
(105°F)		 39°C
(103°F)		 37°C
(99°F)		 29°C
(85°F)		 26°C
(79°F)
Mean maximum 19°C
(66°F)		 24°C
(76°F)		 28°C
(83°F)		 31°C
(89°F)		 33°C
(92°F)		 37°C
(98°F)		 40°C
(104°F)		 38°C
(101°F)		 37°C
(100°F)		 34°C
(93°F)		 26°C
(79°F)		 21°C
(70°F)
Average high 9°C
(49°F)		 10°C
(50°F)		 17°C
(64°F)		 21°C
(71°F)		 26°C
(79°F)		 32°C
(90°F)		 34°C
(94°F)		 33°C
(92°F)		 31°C
(87°F)		 22°C
(72°F)		 16°C
(61°F)		 12°C
(54°F)
Daily mean 2°C
(36°F)		 3°C
(37°F)		 10°C
(51°F)		 14°C
(58°F)		 20°C
(68°F)		 26°C
(79°F)		 28°C
(83°F)		 27°C
(80°F)		 24°C
(75°F)		 15°C
(60°F)		 9°C
(48°F)		 5°C
(41°F)
Average low -3°C
(26°F)		 -3°C
(27°F)		 4°C
(39°F)		 8°C
(46°F)		 14°C
(58°F)		 20°C
(68°F)		 22°C
(72°F)		 21°C
(70°F)		 18°C
(65°F)		 9°C
(49°F)		 3°C
(37°F)		 -1°C
(30°F)
Mean minimum -12°C
(10°F)		 -13°C
(8°F)		 -6°C
(21°F)		 -2°C
(29°F)		 6°C
(44°F)		 14°C
(58°F)		 18°C
(64°F)		 16°C
(60°F)		 10°C
(50°F)		 -1°C
(30°F)		 -6°C
(21°F)		 -9°C
(16°F)
Minimum -17°C
(2°F)		 -23°C
(-10°F)		 -12°C
(10°F)		 -6°C
(21°F)		 3°C
(38°F)		 11°C
(53°F)		 16°C
(61°F)		 14°C
(57°F)		 7°C
(44°F)		 -4°C
(25°F)		 -12°C
(11°F)		 -11°C
(12°F)

Compare climate in Alva with other places

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

Monthly average precipitation in Alva, Oklahoma, United States §

Alva usually has the most precipitation in May, June and October, with an average of 9 rainy days and 104 mm (4.1 inches) of precipitation per month.The driest months in Alva are January, February and November. On average, 22 mm (0.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Alva, Oklahoma, 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) 31 (1.2) 18 (0.7) 69 (2.7) 67 (2.7) 146 (5.7) 85 (3.3) 34 (1.3) 58 (2.3) 52 (2.0) 82 (3.2) 17 (0.7) 34 (1.3)
Average precipitation days (≥ 1 mm) 3 3 8 6 13 9 7 9 6 7 3 2

Monthly sunshine hours in Alva, Oklahoma, United States §

The sunniest months in Alva are June, July and August, when the sun shines an average of 11 hours 22 minutes a day.Least sunny months in Alva: January, February and December receive an average of 7 hours 12 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Alva, Oklahoma, 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 186 224 261 274 303 346 372 327 291 258 245 245
Mean daily daylight hours 9h 57m 10h 50m 11h 59m 13h 9m 14h 8m 14h 37m 14h 21m 13h 29m 12h 21m 11h 11m 10h 10m 9h 40m

Solar UV radiation in Alva, Oklahoma, United States §

Alva 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 Alva UV Index data.

Average daily maximum UV levels by month for Alva, Oklahoma, 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 7 10 11 11 11 10 9 7 5 3