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Monthly climate in Hammon, Oklahoma, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Hammon features a humid subtropical climate (Cfa).Temperatures typically range between 3 °C (37 °F) and 27 °C (81 °F) through the year, but rarely can drop to -23 °C (-9 °F) or can rise to as high as 43 °C (109 °F).The average annual precipitation amounts to about 624 mm (24.6 inches) and receives 71 rainy days on the 1 mm (0.04 inches) threshold annually.Hammon enjoys an average of 3419 hours of sunshine throughout the year, and daylight varies from 9 hours 46 minutes to 14 hours 30 minutes per day.

Monthly average temperatures in Hammon, Oklahoma, United States §

The warmest months in Hammon are June, July and August, with daily mean temperatures ranging from 25 to 27 °C (78 - 81 °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 - 41 °F) throughout the day. On average each year, Hammon experiences 139 days above 25 °C (77.0 °F) and 72 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Hammon, 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 23°C
(74°F)		 31°C
(88°F)		 32°C
(89°F)		 36°C
(97°F)		 36°C
(96°F)		 37°C
(100°F)		 43°C
(109°F)		 40°C
(104°F)		 37°C
(99°F)		 35°C
(96°F)		 29°C
(84°F)		 27°C
(80°F)
Mean maximum 20°C
(67°F)		 25°C
(77°F)		 28°C
(83°F)		 32°C
(89°F)		 33°C
(91°F)		 36°C
(97°F)		 39°C
(102°F)		 37°C
(100°F)		 35°C
(96°F)		 32°C
(90°F)		 26°C
(78°F)		 22°C
(71°F)
Average high 10°C
(50°F)		 10°C
(51°F)		 18°C
(64°F)		 21°C
(71°F)		 26°C
(79°F)		 31°C
(89°F)		 34°C
(93°F)		 33°C
(91°F)		 29°C
(85°F)		 22°C
(72°F)		 16°C
(61°F)		 12°C
(54°F)
Daily mean 3°C
(37°F)		 3°C
(38°F)		 10°C
(51°F)		 14°C
(58°F)		 20°C
(68°F)		 25°C
(78°F)		 27°C
(81°F)		 26°C
(80°F)		 23°C
(74°F)		 15°C
(59°F)		 9°C
(48°F)		 5°C
(41°F)
Average low -3°C
(27°F)		 -3°C
(27°F)		 4°C
(40°F)		 8°C
(46°F)		 14°C
(57°F)		 19°C
(67°F)		 21°C
(71°F)		 21°C
(69°F)		 17°C
(63°F)		 9°C
(49°F)		 3°C
(37°F)		 -1°C
(31°F)
Mean minimum -12°C
(11°F)		 -13°C
(10°F)		 -5°C
(23°F)		 -2°C
(29°F)		 6°C
(43°F)		 15°C
(60°F)		 18°C
(64°F)		 16°C
(61°F)		 10°C
(50°F)		 -1°C
(30°F)		 -5°C
(23°F)		 -9°C
(17°F)
Minimum -16°C
(3°F)		 -23°C
(-9°F)		 -12°C
(10°F)		 -7°C
(20°F)		 3°C
(37°F)		 12°C
(54°F)		 15°C
(60°F)		 14°C
(58°F)		 6°C
(43°F)		 -4°C
(24°F)		 -11°C
(12°F)		 -12°C
(12°F)

Compare climate in Hammon with other places

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

Monthly average precipitation in Hammon, Oklahoma, United States §

Hammon usually has the most precipitation in March, May and October, with an average of 9 rainy days and 84 mm (3.3 inches) of precipitation per month.The driest months in Hammon are February, November and December. On average, 19 mm (0.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Hammon, 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) 27 (1.1) 19 (0.7) 74 (2.9) 64 (2.5) 110 (4.3) 66 (2.6) 51 (2.0) 51 (2.0) 54 (2.1) 69 (2.7) 15 (0.6) 25 (1.0)
Average precipitation days (≥ 1 mm) 3 4 8 7 12 6 6 7 6 7 3 2

Monthly sunshine hours in Hammon, Oklahoma, United States §

The sunniest months in Hammon are June, July and August, when the sun shines an average of 11 hours 33 minutes a day.Least sunny months in Hammon: January, February and December receive an average of 7 hours 25 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Hammon, 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 197 229 267 285 313 352 375 336 295 269 248 248
Mean daily daylight hours 10h 2m 10h 53m 11h 59m 13h 6m 14h 3m 14h 30m 14h 15m 13h 25m 12h 21m 11h 14m 10h 15m 9h 46m

Solar UV radiation in Hammon, Oklahoma, United States §

Hammon experiences the highest level of ultraviolet (UV) radiation in May, July and August, 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 Hammon UV Index data.

Average daily maximum UV levels by month for Hammon, 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 8 10 11 11 12 11 10 7 5 4