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Monthly climate in Mount Juliet, Tennessee, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Mount Juliet features a humid subtropical climate (Cfa).Temperatures typically range between 5 °C (41 °F) and 27 °C (80 °F) through the year, but rarely can drop to -15 °C (6 °F) or can rise to as high as 37 °C (98 °F).The average annual precipitation amounts to about 1608 mm (63.3 inches) and receives 144 rainy days on the 1 mm (0.04 inches) threshold annually.Mount Juliet enjoys an average of 2928 hours of sunshine throughout the year, and daylight varies from 9 hours 42 minutes to 14 hours 34 minutes per day.

Monthly average temperatures in Mount Juliet, Tennessee, United States §

The warmest months in Mount Juliet 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 5 to 7 °C (41 - 45 °F) throughout the day. On average each year, Mount Juliet experiences 132 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 Mount Juliet, 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
(74°F)		 27°C
(80°F)		 28°C
(82°F)		 31°C
(89°F)		 33°C
(92°F)		 34°C
(94°F)		 36°C
(98°F)		 36°C
(98°F)		 36°C
(98°F)		 37°C
(98°F)		 27°C
(81°F)		 23°C
(74°F)
Mean maximum 20°C
(69°F)		 24°C
(75°F)		 25°C
(78°F)		 29°C
(84°F)		 32°C
(90°F)		 33°C
(92°F)		 35°C
(96°F)		 34°C
(94°F)		 33°C
(92°F)		 31°C
(88°F)		 24°C
(75°F)		 21°C
(69°F)
Average high 9°C
(48°F)		 12°C
(54°F)		 17°C
(62°F)		 21°C
(69°F)		 26°C
(79°F)		 30°C
(85°F)		 31°C
(89°F)		 30°C
(87°F)		 29°C
(84°F)		 23°C
(73°F)		 15°C
(59°F)		 12°C
(54°F)
Daily mean 5°C
(41°F)		 7°C
(45°F)		 11°C
(53°F)		 15°C
(59°F)		 21°C
(70°F)		 25°C
(77°F)		 27°C
(80°F)		 26°C
(78°F)		 23°C
(74°F)		 17°C
(63°F)		 9°C
(49°F)		 7°C
(45°F)
Average low 1°C
(33°F)		 3°C
(37°F)		 6°C
(43°F)		 10°C
(49°F)		 16°C
(62°F)		 20°C
(69°F)		 23°C
(73°F)		 21°C
(71°F)		 18°C
(65°F)		 12°C
(54°F)		 4°C
(39°F)		 3°C
(37°F)
Mean minimum -10°C
(14°F)		 -8°C
(18°F)		 -5°C
(24°F)		 1°C
(33°F)		 7°C
(45°F)		 15°C
(59°F)		 18°C
(65°F)		 16°C
(61°F)		 12°C
(53°F)		 3°C
(37°F)		 -4°C
(25°F)		 -6°C
(21°F)
Minimum -15°C
(6°F)		 -12°C
(11°F)		 -8°C
(17°F)		 -1°C
(30°F)		 4°C
(40°F)		 11°C
(52°F)		 17°C
(62°F)		 14°C
(58°F)		 9°C
(48°F)		 0°C
(33°F)		 -8°C
(18°F)		 -10°C
(15°F)

Compare climate in Mount Juliet with other places

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

Monthly average precipitation in Mount Juliet, Tennessee, United States §

Mount Juliet usually has the most precipitation in February, March and December, with an average of 13 rainy days and 164 mm (6.5 inches) of precipitation per month.The driest months in Mount Juliet are January, May and November. On average, 102 mm (4.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Mount Juliet, 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) 104 (4.1) 182 (7.2) 161 (6.3) 143 (5.6) 117 (4.6) 142 (5.6) 136 (5.4) 124 (4.9) 124 (4.9) 141 (5.6) 84 (3.3) 150 (5.9)
Average precipitation days (≥ 1 mm) 10 14 14 12 13 13 15 14 9 10 9 11

Monthly sunshine hours in Mount Juliet, Tennessee, United States §

The sunniest months in Mount Juliet are June, July and August, when the sun shines an average of 10 hours 25 minutes a day.Least sunny months in Mount Juliet: January, February and December receive an average of 5 hours 3 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Mount Juliet, 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 139 147 214 247 293 318 332 307 277 259 216 173
Mean daily daylight hours 9h 59m 10h 51m 11h 59m 13h 8m 14h 6m 14h 34m 14h 19m 13h 27m 12h 21m 11h 12m 10h 13m 9h 42m

Solar UV radiation in Mount Juliet, Tennessee, United States §

Mount Juliet 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 Mount Juliet UV Index data.

Average daily maximum UV levels by month for Mount Juliet, 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) 3 6 7 10 10 11 11 10 9 7 5 3