Last updated: May 6, 2024
Under the Köppen–Geiger climate classification Killen features a humid subtropical climate (Cfa).Temperatures typically range between 6 °C (44 °F) and 27 °C (81 °F) through the year, but rarely can drop to -14 °C (7 °F) or can rise to as high as 37 °C (100 °F).The average annual precipitation amounts to about 1494 mm (58.8 inches) and receives 133 rainy days on the 1 mm (0.04 inches) threshold annually.Killen enjoys an average of 3006 hours of sunshine throughout the year, and daylight varies from 9 hours 51 minutes to 14 hours 25 minutes per day.
The warmest months in Killen 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 6 to 9 °C (44 - 49 °F) throughout the day. On average each year, Killen experiences 144 days above 25 °C (77.0 °F) and 33 days below 0 °C (32.0 °F).
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum | 24°C (76°F) | 26°C (80°F) | 29°C (85°F) | 31°C (87°F) | 35°C (95°F) | 35°C (95°F) | 36°C (97°F) | 37°C (98°F) | 36°C (98°F) | 37°C (100°F) | 26°C (78°F) | 23°C (74°F) |
Mean maximum | 22°C (72°F) | 24°C (75°F) | 27°C (81°F) | 29°C (84°F) | 33°C (92°F) | 33°C (92°F) | 35°C (96°F) | 35°C (96°F) | 34°C (93°F) | 32°C (89°F) | 24°C (75°F) | 21°C (71°F) |
Average high | 11°C (52°F) | 14°C (58°F) | 19°C (66°F) | 22°C (72°F) | 27°C (81°F) | 30°C (87°F) | 32°C (89°F) | 32°C (89°F) | 30°C (86°F) | 24°C (76°F) | 16°C (62°F) | 14°C (57°F) |
Daily mean | 6°C (44°F) | 9°C (49°F) | 13°C (56°F) | 16°C (62°F) | 22°C (72°F) | 25°C (78°F) | 27°C (81°F) | 27°C (80°F) | 24°C (76°F) | 18°C (65°F) | 10°C (51°F) | 9°C (48°F) |
Average low | 2°C (36°F) | 4°C (40°F) | 8°C (47°F) | 11°C (52°F) | 17°C (63°F) | 21°C (70°F) | 23°C (74°F) | 22°C (72°F) | 19°C (67°F) | 13°C (56°F) | 5°C (41°F) | 4°C (39°F) |
Mean minimum | -8°C (17°F) | -6°C (22°F) | -2°C (28°F) | 2°C (35°F) | 8°C (47°F) | 16°C (61°F) | 19°C (66°F) | 18°C (64°F) | 14°C (57°F) | 4°C (39°F) | -3°C (27°F) | -5°C (24°F) |
Minimum | -14°C (7°F) | -12°C (10°F) | -4°C (24°F) | -0°C (32°F) | 5°C (41°F) | 13°C (56°F) | 17°C (63°F) | 16°C (62°F) | 11°C (52°F) | 1°C (35°F) | -7°C (19°F) | -7°C (20°F) |
Compare temperature, precipitation, sunshine, UV index in Killen, Alabama, United States with other places around the world.
Killen usually has the most precipitation in February, March and April, with an average of 12 rainy days and 165 mm (6.5 inches) of precipitation per month.The driest months in Killen are July, September and November. On average, 96 mm (3.8 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 113 (4.5) | 178 (7.0) | 166 (6.5) | 153 (6.0) | 114 (4.5) | 117 (4.6) | 109 (4.3) | 111 (4.4) | 109 (4.3) | 110 (4.3) | 69 (2.7) | 145 (5.7) |
Average precipitation days (≥ 1 mm) | 9 | 14 | 13 | 10 | 11 | 13 | 15 | 12 | 8 | 9 | 9 | 10 |
The sunniest months in Killen are June, July and August, when the sun shines an average of 10 hours 19 minutes a day.Least sunny months in Killen: January, February and December receive an average of 5 hours 24 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 148 | 162 | 216 | 268 | 302 | 308 | 331 | 309 | 284 | 265 | 226 | 180 |
Mean daily daylight hours | 10h 6m | 10h 56m | 11h 59m | 13h 4m | 13h 59m | 14h 25m | 14h 11m | 13h 22m | 12h 20m | 11h 15m | 10h 19m | 9h 51m |
Killen experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 11 - 11, 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 Killen UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
UV Index (month maximum) | 4 | 6 | 8 | 10 | 11 | 11 | 11 | 10 | 9 | 7 | 5 | 4 |