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Monthly climate in Fairfax, Oklahoma, United States

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Fairfax features a humid subtropical climate (Cfa). Temperatures typically range between 3 °C (38 °F) and 28 °C (82 °F) through the year, but rarely can drop to -26 °C (-15 °F) or can rise to as high as 41 °C (106 °F). The average annual precipitation amounts to about 1025 mm (40.3 inches) and receives 93 rainy days on the 1 mm (0.04 inches) threshold annually. Fairfax enjoys an average of 3192 hours of sunshine throughout the year, and daylight varies from 9 hours 41 minutes to 14 hours 36 minutes per day.

Monthly average temperatures in Fairfax, Oklahoma, United States §

The warmest months in Fairfax are June, July and August, with daily mean temperatures ranging from 26 to 28 °C (79 - 82 °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 - 43 °F) throughout the day. On average each year, Fairfax experiences 135 days above 25 °C (77.0 °F) and 64 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Fairfax, 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)		 30°C
(86°F)		 34°C
(93°F)		 32°C
(89°F)		 34°C
(94°F)		 37°C
(99°F)		 41°C
(106°F)		 38°C
(100°F)		 37°C
(99°F)		 34°C
(93°F)		 27°C
(80°F)		 25°C
(78°F)
Mean maximum 19°C
(67°F)		 24°C
(76°F)		 27°C
(81°F)		 30°C
(86°F)		 32°C
(90°F)		 35°C
(95°F)		 38°C
(101°F)		 37°C
(99°F)		 35°C
(96°F)		 32°C
(90°F)		 24°C
(76°F)		 21°C
(70°F)
Average high 9°C
(48°F)		 10°C
(51°F)		 18°C
(64°F)		 21°C
(70°F)		 26°C
(78°F)		 31°C
(88°F)		 33°C
(92°F)		 32°C
(90°F)		 30°C
(86°F)		 22°C
(72°F)		 16°C
(61°F)		 12°C
(53°F)
Daily mean 3°C
(38°F)		 4°C
(39°F)		 11°C
(52°F)		 15°C
(59°F)		 20°C
(69°F)		 26°C
(79°F)		 28°C
(82°F)		 27°C
(80°F)		 24°C
(76°F)		 16°C
(61°F)		 9°C
(49°F)		 6°C
(43°F)
Average low -2°C
(29°F)		 -1°C
(30°F)		 5°C
(42°F)		 9°C
(48°F)		 15°C
(60°F)		 21°C
(69°F)		 23°C
(73°F)		 21°C
(71°F)		 19°C
(66°F)		 10°C
(51°F)		 4°C
(39°F)		 1°C
(33°F)
Mean minimum -12°C
(10°F)		 -13°C
(8°F)		 -5°C
(23°F)		 -0°C
(32°F)		 7°C
(44°F)		 16°C
(61°F)		 19°C
(66°F)		 16°C
(62°F)		 10°C
(50°F)		 -0°C
(32°F)		 -5°C
(23°F)		 -8°C
(18°F)
Minimum -17°C
(2°F)		 -26°C
(-15°F)		 -13°C
(9°F)		 -5°C
(24°F)		 4°C
(40°F)		 13°C
(55°F)		 16°C
(62°F)		 16°C
(60°F)		 6°C
(44°F)		 -3°C
(28°F)		 -10°C
(14°F)		 -10°C
(14°F)

Compare climate in Fairfax with other places

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

Monthly average precipitation in Fairfax, Oklahoma, United States §

Fairfax usually has the most precipitation in April, May and October, with an average of 10 rainy days and 128 mm (5.1 inches) of precipitation per month. The driest months in Fairfax are February, November and December. On average, 38 mm (1.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Fairfax, 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) 57 (2.3) 43 (1.7) 97 (3.8) 104 (4.1) 160 (6.3) 101 (4.0) 80 (3.2) 103 (4.1) 88 (3.4) 121 (4.8) 34 (1.3) 35 (1.4)
Average precipitation days (≥ 1 mm) 5 6 10 9 14 6 8 10 7 9 5 4

Monthly sunshine hours in Fairfax, Oklahoma, United States §

The sunniest months in Fairfax are June, July and August, when the sun shines an average of 11 hours 8 minutes a day. Least sunny months in Fairfax: January, February and December receive an average of 6 hours 34 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Fairfax, 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 174 191 245 259 288 338 362 323 284 256 234 233
Mean daily daylight hours 9h 58m 10h 51m 11h 59m 13h 9m 14h 7m 14h 36m 14h 20m 13h 28m 12h 21m 11h 12m 10h 12m 9h 41m

Solar UV radiation in Fairfax, Oklahoma, United States §

Fairfax 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 Fairfax UV Index data.

Average daily maximum UV levels by month for Fairfax, 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

Detailed Monthly Weather Insights for Fairfax, Oklahoma, United States

Discover in-depth weather details for every month in Fairfax. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Fairfax's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.

Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.