Last updated: May 6, 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.
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).
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 temperature, precipitation, sunshine, UV index in Fairfax, Oklahoma, United States with other places around the world.
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.
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 |
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.
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 |
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.
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 |