Last updated: May 6, 2024
Under the Köppen–Geiger climate classification Blackwell features a humid subtropical climate (Cfa).Temperatures typically range between 3 °C (37 °F) and 28 °C (83 °F) through the year, but rarely can drop to -28 °C (-18 °F) or can rise to as high as 41 °C (106 °F).The average annual precipitation amounts to about 958 mm (37.7 inches) and receives 88 rainy days on the 1 mm (0.04 inches) threshold annually.Blackwell enjoys an average of 3236 hours of sunshine throughout the year, and daylight varies from 9 hours 40 minutes to 14 hours 37 minutes per day.
The warmest months in Blackwell 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 3 to 5 °C (37 - 42 °F) throughout the day. On average each year, Blackwell experiences 138 days above 25 °C (77.0 °F) and 70 days below 0 °C (32.0 °F).
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum | 24°C (75°F) | 29°C (84°F) | 34°C (94°F) | 34°C (93°F) | 36°C (97°F) | 39°C (102°F) | 41°C (106°F) | 39°C (102°F) | 38°C (100°F) | 35°C (95°F) | 27°C (81°F) | 26°C (79°F) |
Mean maximum | 19°C (67°F) | 24°C (75°F) | 28°C (82°F) | 30°C (87°F) | 33°C (92°F) | 36°C (97°F) | 38°C (102°F) | 38°C (100°F) | 36°C (97°F) | 32°C (90°F) | 24°C (76°F) | 21°C (70°F) |
Average high | 9°C (48°F) | 10°C (50°F) | 18°C (64°F) | 21°C (70°F) | 26°C (79°F) | 32°C (90°F) | 34°C (93°F) | 32°C (90°F) | 30°C (86°F) | 22°C (72°F) | 16°C (61°F) | 12°C (54°F) |
Daily mean | 3°C (37°F) | 3°C (38°F) | 11°C (52°F) | 15°C (58°F) | 20°C (69°F) | 26°C (79°F) | 28°C (83°F) | 27°C (80°F) | 24°C (76°F) | 16°C (60°F) | 9°C (48°F) | 5°C (42°F) |
Average low | -3°C (27°F) | -2°C (28°F) | 5°C (41°F) | 9°C (48°F) | 15°C (59°F) | 20°C (69°F) | 23°C (73°F) | 21°C (71°F) | 18°C (66°F) | 10°C (50°F) | 3°C (38°F) | -0°C (32°F) |
Mean minimum | -12°C (10°F) | -15°C (6°F) | -5°C (23°F) | -1°C (30°F) | 6°C (44°F) | 15°C (60°F) | 19°C (66°F) | 16°C (61°F) | 10°C (50°F) | -1°C (31°F) | -6°C (22°F) | -9°C (17°F) |
Minimum | -17°C (1°F) | -28°C (-18°F) | -13°C (9°F) | -5°C (23°F) | 5°C (41°F) | 12°C (54°F) | 17°C (63°F) | 15°C (59°F) | 6°C (43°F) | -3°C (27°F) | -11°C (13°F) | -11°C (12°F) |
Compare temperature, precipitation, sunshine, UV index in Blackwell, Oklahoma, United States with other places around the world.
Blackwell usually has the most precipitation in May, June and October, with an average of 9 rainy days and 133 mm (5.2 inches) of precipitation per month.The driest months in Blackwell are February, November and December. On average, 31 mm (1.2 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 49 (1.9) | 36 (1.4) | 90 (3.5) | 92 (3.6) | 169 (6.7) | 106 (4.2) | 61 (2.4) | 91 (3.6) | 83 (3.3) | 124 (4.9) | 28 (1.1) | 29 (1.2) |
Average precipitation days (≥ 1 mm) | 5 | 6 | 8 | 8 | 14 | 6 | 8 | 11 | 6 | 9 | 5 | 2 |
The sunniest months in Blackwell are June, July and August, when the sun shines an average of 11 hours 14 minutes a day.Least sunny months in Blackwell: January, February and December receive an average of 6 hours 45 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 177 | 200 | 248 | 263 | 289 | 345 | 366 | 322 | 284 | 261 | 239 | 237 |
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 |
Blackwell 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 Blackwell UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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UV Index (month maximum) | 3 | 6 | 7 | 10 | 10 | 11 | 11 | 10 | 9 | 7 | 5 | 3 |