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Monthly climate in Alamo, Tennessee, United States

Last updated: March 2, 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.

Monthly average temperatures in Alamo, Tennessee, United States §

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).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Alamo, Tennessee, United States. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
  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 climate in Alamo with other places

Compare temperature, precipitation, sunshine, UV index in Alamo, Tennessee, United States with other places around the world.

Monthly average precipitation in Alamo, Tennessee, United States §

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.

Monthly average precipitation and precipitation days in Alamo, Tennessee, United States. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
  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

Monthly sunshine hours in Alamo, Tennessee, United States §

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.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Alamo, Tennessee, United States. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
  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

Solar UV radiation in Alamo, Tennessee, United States §

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.

Average daily maximum UV levels by month for Alamo, Tennessee, United States. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
  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

Detailed Monthly Weather Insights for Alamo, Tennessee, United States

Discover in-depth weather details for every month in Alamo. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Alamo's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.

Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.