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Monthly climate in West Siloam Springs, Oklahoma, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification West Siloam Springs features a humid subtropical climate (Cfa).Temperatures typically range between 3 °C (38 °F) and 26 °C (80 °F) through the year, but rarely can drop to -24 °C (-12 °F) or can rise to as high as 38 °C (101 °F).The average annual precipitation amounts to about 1392 mm (54.8 inches) and receives 119 rainy days on the 1 mm (0.04 inches) threshold annually.West Siloam Springs enjoys an average of 3044 hours of sunshine throughout the year, and daylight varies from 9 hours 42 minutes to 14 hours 34 minutes per day.

Monthly average temperatures in West Siloam Springs, Oklahoma, United States §

The warmest months in West Siloam Springs are June, July and August, with daily mean temperatures ranging from 25 to 26 °C (76 - 80 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 3 to 6 °C (38 - 44 °F) throughout the day. On average each year, West Siloam Springs experiences 124 days above 25 °C (77.0 °F) and 57 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in West Siloam Springs, 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 22°C
(72°F)		 28°C
(82°F)		 31°C
(87°F)		 31°C
(89°F)		 33°C
(91°F)		 35°C
(96°F)		 38°C
(101°F)		 36°C
(96°F)		 35°C
(95°F)		 32°C
(89°F)		 27°C
(81°F)		 24°C
(75°F)
Mean maximum 19°C
(66°F)		 23°C
(73°F)		 26°C
(79°F)		 28°C
(83°F)		 31°C
(87°F)		 33°C
(92°F)		 36°C
(97°F)		 35°C
(95°F)		 33°C
(93°F)		 31°C
(87°F)		 23°C
(74°F)		 22°C
(71°F)
Average high 8°C
(47°F)		 10°C
(51°F)		 17°C
(62°F)		 20°C
(68°F)		 25°C
(76°F)		 30°C
(86°F)		 32°C
(89°F)		 30°C
(87°F)		 29°C
(84°F)		 21°C
(71°F)		 15°C
(59°F)		 11°C
(53°F)
Daily mean 3°C
(38°F)		 5°C
(41°F)		 11°C
(52°F)		 14°C
(57°F)		 20°C
(68°F)		 25°C
(76°F)		 26°C
(80°F)		 25°C
(77°F)		 23°C
(74°F)		 16°C
(60°F)		 9°C
(48°F)		 6°C
(44°F)
Average low -1°C
(30°F)		 -0°C
(31°F)		 6°C
(42°F)		 9°C
(48°F)		 15°C
(59°F)		 20°C
(67°F)		 22°C
(71°F)		 21°C
(69°F)		 18°C
(65°F)		 11°C
(51°F)		 4°C
(39°F)		 2°C
(35°F)
Mean minimum -11°C
(12°F)		 -12°C
(10°F)		 -5°C
(23°F)		 -1°C
(30°F)		 7°C
(44°F)		 15°C
(58°F)		 18°C
(64°F)		 16°C
(61°F)		 10°C
(50°F)		 1°C
(34°F)		 -5°C
(23°F)		 -6°C
(21°F)
Minimum -17°C
(1°F)		 -24°C
(-12°F)		 -14°C
(8°F)		 -4°C
(25°F)		 4°C
(39°F)		 12°C
(53°F)		 15°C
(60°F)		 14°C
(58°F)		 7°C
(45°F)		 -3°C
(27°F)		 -10°C
(14°F)		 -9°C
(15°F)

Compare climate in West Siloam Springs with other places

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

Monthly average precipitation in West Siloam Springs, Oklahoma, United States §

West Siloam Springs usually has the most precipitation in April, May and October, with an average of 11 rainy days and 173 mm (6.8 inches) of precipitation per month.The driest months in West Siloam Springs are September, November and December. On average, 69 mm (2.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in West Siloam Springs, 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) 84 (3.3) 95 (3.8) 143 (5.6) 183 (7.2) 175 (6.9) 88 (3.5) 101 (4.0) 153 (6.0) 71 (2.8) 162 (6.4) 66 (2.6) 70 (2.8)
Average precipitation days (≥ 1 mm) 8 9 13 11 13 10 10 14 6 10 8 7

Monthly sunshine hours in West Siloam Springs, Oklahoma, United States §

The sunniest months in West Siloam Springs are June, July and August, when the sun shines an average of 10 hours 53 minutes a day.Least sunny months in West Siloam Springs: January, February and March receive an average of 5 hours 57 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in West Siloam Springs, 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 154 174 212 243 286 333 351 316 290 244 217 219
Mean daily daylight hours 9h 59m 10h 51m 11h 59m 13h 8m 14h 6m 14h 34m 14h 19m 13h 27m 12h 21m 11h 12m 10h 12m 9h 42m

Solar UV radiation in West Siloam Springs, Oklahoma, United States §

West Siloam Springs experiences the highest level of ultraviolet (UV) radiation in April, June and July, when the maximum UV index can reach values of 10 - 11, which corresponds to the Very High / 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 West Siloam Springs UV Index data.

Average daily maximum UV levels by month for West Siloam Springs, 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) 3 6 7 10 10 11 11 10 9 7 5 3