Last updated: May 6, 2024
Under the Köppen–Geiger climate classification Alamo features a humid subtropical climate (Cfa).Temperatures typically range between 5 °C (41 °F) and 27 °C (81 °F) through the year, but rarely can drop to -19 °C (-2 °F) or can rise to as high as 36 °C (98 °F).The average annual precipitation amounts to about 1483 mm (58.4 inches) and receives 124 rainy days on the 1 mm (0.04 inches) threshold annually.Alamo enjoys an average of 3043 hours of sunshine throughout the year, and daylight varies from 9 hours 45 minutes to 14 hours 31 minutes per day.
The warmest months in Alamo are June, July and August, with daily mean temperatures ranging from 26 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 5 to 8 °C (41 - 46 °F) throughout the day. On average each year, Alamo experiences 141 days above 25 °C (77.0 °F) and 45 days below 0 °C (32.0 °F).
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum | 23°C (73°F) | 25°C (78°F) | 29°C (85°F) | 31°C (88°F) | 33°C (92°F) | 36°C (98°F) | 36°C (96°F) | 35°C (96°F) | 36°C (97°F) | 36°C (96°F) | 27°C (82°F) | 24°C (75°F) |
Mean maximum | 21°C (70°F) | 23°C (73°F) | 26°C (79°F) | 29°C (84°F) | 32°C (90°F) | 34°C (94°F) | 34°C (94°F) | 34°C (94°F) | 34°C (93°F) | 32°C (90°F) | 24°C (76°F) | 22°C (72°F) |
Average high | 9°C (49°F) | 12°C (54°F) | 17°C (64°F) | 21°C (70°F) | 27°C (80°F) | 30°C (87°F) | 32°C (89°F) | 31°C (87°F) | 29°C (85°F) | 23°C (74°F) | 16°C (60°F) | 13°C (55°F) |
Daily mean | 5°C (41°F) | 7°C (45°F) | 12°C (54°F) | 16°C (60°F) | 22°C (71°F) | 26°C (78°F) | 27°C (81°F) | 26°C (79°F) | 24°C (75°F) | 18°C (64°F) | 10°C (50°F) | 8°C (46°F) |
Average low | 1°C (34°F) | 2°C (36°F) | 7°C (45°F) | 10°C (50°F) | 17°C (63°F) | 21°C (70°F) | 23°C (73°F) | 22°C (71°F) | 19°C (66°F) | 12°C (54°F) | 4°C (40°F) | 3°C (37°F) |
Mean minimum | -10°C (14°F) | -9°C (16°F) | -4°C (25°F) | 0°C (33°F) | 8°C (46°F) | 16°C (60°F) | 18°C (65°F) | 16°C (60°F) | 12°C (53°F) | 2°C (36°F) | -5°C (24°F) | -6°C (21°F) |
Minimum | -19°C (-2°F) | -18°C (0°F) | -7°C (19°F) | -2°C (29°F) | 5°C (42°F) | 12°C (53°F) | 16°C (60°F) | 15°C (59°F) | 9°C (49°F) | 0°C (33°F) | -10°C (15°F) | -11°C (13°F) |
Compare temperature, precipitation, sunshine, UV index in Alamo, Tennessee, United States with other places around the world.
Alamo 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 Alamo are January, May 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) | 100 (3.9) | 173 (6.8) | 172 (6.8) | 149 (5.9) | 101 (4.0) | 105 (4.2) | 122 (4.8) | 103 (4.1) | 112 (4.4) | 116 (4.6) | 88 (3.5) | 142 (5.6) |
Average precipitation days (≥ 1 mm) | 9 | 13 | 14 | 11 | 11 | 11 | 11 | 11 | 7 | 8 | 8 | 10 |
The sunniest months in Alamo are June, July and August, when the sun shines an average of 10 hours 42 minutes a day.Least sunny months in Alamo: January, February and December receive an average of 5 hours 27 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 143 | 161 | 211 | 266 | 305 | 322 | 347 | 314 | 291 | 261 | 226 | 191 |
Mean daily daylight hours | 10h 1m | 10h 53m | 11h 59m | 13h 7m | 14h 4m | 14h 31m | 14h 16m | 13h 26m | 12h 21m | 11h 13m | 10h 15m | 9h 45m |
Alamo 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 Alamo UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
UV Index (month maximum) | 4 | 6 | 7 | 10 | 10 | 11 | 11 | 10 | 9 | 7 | 5 | 3 |