Last updated: May 6, 2024
Under the Köppen–Geiger climate classification Walnut Grove features a humid subtropical climate (Cfa).Temperatures typically range between 7 °C (45 °F) and 27 °C (80 °F) through the year, but rarely can drop to -13 °C (9 °F) or can rise to as high as 37 °C (98 °F).The average annual precipitation amounts to about 1561 mm (61.4 inches) and receives 145 rainy days on the 1 mm (0.04 inches) threshold annually.Walnut Grove enjoys an average of 3003 hours of sunshine throughout the year, and daylight varies from 9 hours 54 minutes to 14 hours 22 minutes per day.
The warmest months in Walnut Grove are June, July and August, with daily mean temperatures ranging from 25 to 27 °C (77 - 80 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 7 to 10 °C (45 - 51 °F) throughout the day. On average each year, Walnut Grove experiences 147 days above 25 °C (77.0 °F) and 28 days below 0 °C (32.0 °F).
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum | 25°C (78°F) | 26°C (80°F) | 30°C (87°F) | 30°C (87°F) | 34°C (94°F) | 34°C (93°F) | 36°C (97°F) | 36°C (98°F) | 36°C (97°F) | 37°C (98°F) | 26°C (79°F) | 23°C (74°F) |
Mean maximum | 22°C (72°F) | 24°C (76°F) | 27°C (81°F) | 29°C (84°F) | 32°C (91°F) | 32°C (91°F) | 35°C (95°F) | 35°C (95°F) | 33°C (92°F) | 32°C (89°F) | 24°C (76°F) | 22°C (71°F) |
Average high | 12°C (54°F) | 16°C (61°F) | 19°C (67°F) | 23°C (73°F) | 27°C (81°F) | 30°C (86°F) | 31°C (89°F) | 31°C (88°F) | 30°C (85°F) | 24°C (76°F) | 17°C (63°F) | 14°C (57°F) |
Daily mean | 7°C (45°F) | 10°C (51°F) | 14°C (57°F) | 17°C (62°F) | 22°C (72°F) | 25°C (77°F) | 27°C (80°F) | 26°C (79°F) | 24°C (76°F) | 19°C (66°F) | 11°C (52°F) | 9°C (48°F) |
Average low | 3°C (37°F) | 5°C (42°F) | 8°C (47°F) | 11°C (52°F) | 17°C (62°F) | 21°C (69°F) | 23°C (73°F) | 22°C (72°F) | 20°C (67°F) | 14°C (58°F) | 6°C (42°F) | 4°C (40°F) |
Mean minimum | -7°C (20°F) | -4°C (25°F) | -2°C (29°F) | 2°C (36°F) | 9°C (48°F) | 16°C (61°F) | 19°C (67°F) | 18°C (65°F) | 14°C (57°F) | 4°C (40°F) | -2°C (28°F) | -4°C (26°F) |
Minimum | -13°C (9°F) | -7°C (20°F) | -4°C (24°F) | 0°C (33°F) | 6°C (43°F) | 13°C (55°F) | 18°C (64°F) | 16°C (61°F) | 11°C (51°F) | 1°C (33°F) | -6°C (22°F) | -7°C (20°F) |
Compare temperature, precipitation, sunshine, UV index in Walnut Grove, Alabama, United States with other places around the world.
Walnut Grove usually has the most precipitation in February, March and April, with an average of 12 rainy days and 169 mm (6.6 inches) of precipitation per month.The driest months in Walnut Grove are May, September and November. On average, 95 mm (3.7 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 122 (4.8) | 184 (7.2) | 165 (6.5) | 157 (6.2) | 105 (4.1) | 134 (5.3) | 114 (4.5) | 120 (4.7) | 101 (4.0) | 128 (5.0) | 80 (3.1) | 150 (5.9) |
Average precipitation days (≥ 1 mm) | 10 | 14 | 13 | 10 | 11 | 15 | 18 | 15 | 8 | 10 | 9 | 12 |
The sunniest months in Walnut Grove are May, July and August, when the sun shines an average of 10 hours 3 minutes a day.Least sunny months in Walnut Grove: January, February and December receive an average of 5 hours 22 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 154 | 159 | 223 | 276 | 306 | 298 | 325 | 304 | 282 | 260 | 234 | 176 |
Mean daily daylight hours | 10h 9m | 10h 57m | 11h 59m | 13h 3m | 13h 56m | 14h 22m | 14h 8m | 13h 20m | 12h 20m | 11h 17m | 10h 22m | 9h 54m |
Walnut Grove experiences the highest level of ultraviolet (UV) radiation in May, July and August, 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 / 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 Walnut Grove UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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UV Index (month maximum) | 4 | 7 | 8 | 10 | 11 | 11 | 11 | 11 | 9 | 7 | 6 | 4 |