Last updated: May 6, 2024
Under the Köppen–Geiger climate classification Roanoke features a humid subtropical climate (Cfa).Temperatures typically range between 12 °C (54 °F) and 28 °C (83 °F) through the year, but rarely can drop to -8 °C (17 °F) or can rise to as high as 39 °C (102 °F).The average annual precipitation amounts to about 1575 mm (62.0 inches) and receives 149 rainy days on the 1 mm (0.04 inches) threshold annually.Roanoke enjoys an average of 3171 hours of sunshine throughout the year, and daylight varies from 10 hours 13 minutes to 14 hours 3 minutes per day.
The warmest months in Roanoke are June, July and August, with daily mean temperatures ranging from 27 to 28 °C (81 - 83 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 12 to 15 °C (54 - 58 °F) throughout the day. On average each year, Roanoke experiences 200 days above 25 °C (77.0 °F) and 6 days below 0 °C (32.0 °F).
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum | 27°C (81°F) | 28°C (82°F) | 30°C (86°F) | 32°C (89°F) | 36°C (97°F) | 35°C (95°F) | 39°C (102°F) | 37°C (99°F) | 36°C (96°F) | 35°C (96°F) | 29°C (85°F) | 28°C (83°F) |
Mean maximum | 25°C (77°F) | 26°C (80°F) | 29°C (84°F) | 30°C (87°F) | 33°C (92°F) | 34°C (94°F) | 36°C (96°F) | 36°C (97°F) | 34°C (94°F) | 33°C (91°F) | 28°C (83°F) | 26°C (80°F) |
Average high | 17°C (63°F) | 20°C (68°F) | 23°C (75°F) | 26°C (79°F) | 30°C (86°F) | 31°C (89°F) | 32°C (90°F) | 32°C (91°F) | 31°C (88°F) | 28°C (82°F) | 22°C (71°F) | 19°C (66°F) |
Daily mean | 12°C (54°F) | 15°C (58°F) | 18°C (65°F) | 20°C (69°F) | 25°C (77°F) | 27°C (81°F) | 28°C (83°F) | 28°C (83°F) | 26°C (80°F) | 22°C (72°F) | 16°C (60°F) | 14°C (57°F) |
Average low | 7°C (45°F) | 10°C (50°F) | 13°C (57°F) | 15°C (59°F) | 20°C (69°F) | 23°C (74°F) | 25°C (76°F) | 24°C (76°F) | 22°C (72°F) | 18°C (64°F) | 10°C (51°F) | 9°C (48°F) |
Mean minimum | -3°C (27°F) | -0°C (32°F) | 3°C (37°F) | 6°C (43°F) | 14°C (57°F) | 20°C (68°F) | 22°C (72°F) | 21°C (71°F) | 17°C (63°F) | 8°C (46°F) | 1°C (35°F) | -1°C (31°F) |
Minimum | -8°C (17°F) | -8°C (19°F) | -1°C (31°F) | 3°C (38°F) | 11°C (51°F) | 17°C (62°F) | 20°C (68°F) | 21°C (70°F) | 13°C (56°F) | 2°C (37°F) | -3°C (26°F) | -3°C (27°F) |
Compare temperature, precipitation, sunshine, UV index in Roanoke, Louisiana, United States with other places around the world.
Roanoke usually has the most precipitation in May, July and August, with an average of 16 rainy days and 174 mm (6.9 inches) of precipitation per month.The driest months in Roanoke are February, March and November. On average, 82 mm (3.2 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 115 (4.5) | 104 (4.1) | 62 (2.4) | 152 (6.0) | 181 (7.1) | 157 (6.2) | 162 (6.4) | 181 (7.1) | 145 (5.7) | 123 (4.8) | 79 (3.1) | 115 (4.5) |
Average precipitation days (≥ 1 mm) | 8 | 13 | 11 | 11 | 12 | 15 | 18 | 19 | 13 | 9 | 10 | 10 |
The sunniest months in Roanoke are May, July and August, when the sun shines an average of 10 hours 14 minutes a day.Least sunny months in Roanoke: January, February and December receive an average of 6 hours 13 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 171 | 176 | 260 | 276 | 316 | 306 | 322 | 313 | 276 | 280 | 252 | 217 |
Mean daily daylight hours | 10h 26m | 11h 7m | 12h 0m | 12h 55m | 13h 40m | 14h 3m | 13h 50m | 13h 10m | 12h 18m | 11h 23m | 10h 36m | 10h 13m |
Roanoke experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 12 - 12, which corresponds to the Extreme category of sun exposure.January, November and December are in the Moderate / High exposure category. In these months, the maximum values of the UV index do not exceed 6. For more detailed information, check out our hourly Roanoke UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
UV Index (month maximum) | 5 | 8 | 9 | 10 | 11 | 12 | 12 | 12 | 10 | 9 | 6 | 5 |