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Monthly climate in Clay, Kentucky, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Clay features a humid subtropical climate (Cfa).Temperatures typically range between 3 °C (37 °F) and 27 °C (81 °F) through the year, but rarely can drop to -17 °C (1 °F) or can rise to as high as 36 °C (98 °F).The average annual precipitation amounts to about 1309 mm (51.6 inches) and receives 125 rainy days on the 1 mm (0.04 inches) threshold annually.Clay enjoys an average of 2949 hours of sunshine throughout the year, and daylight varies from 9 hours 36 minutes to 14 hours 41 minutes per day.

Monthly average temperatures in Clay, Kentucky, United States §

The warmest months in Clay are June, July and August, with daily mean temperatures ranging from 25 to 27 °C (77 - 81 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 3 to 6 °C (37 - 43 °F) throughout the day. On average each year, Clay experiences 132 days above 25 °C (77.0 °F) and 58 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Clay, Kentucky, 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 21°C
(70°F)		 25°C
(77°F)		 27°C
(81°F)		 30°C
(87°F)		 34°C
(93°F)		 35°C
(95°F)		 36°C
(98°F)		 36°C
(97°F)		 36°C
(97°F)		 36°C
(98°F)		 27°C
(81°F)		 23°C
(74°F)
Mean maximum 18°C
(65°F)		 21°C
(70°F)		 24°C
(76°F)		 29°C
(84°F)		 32°C
(90°F)		 34°C
(94°F)		 35°C
(95°F)		 35°C
(95°F)		 34°C
(93°F)		 32°C
(90°F)		 23°C
(73°F)		 20°C
(69°F)
Average high 7°C
(44°F)		 10°C
(50°F)		 15°C
(59°F)		 20°C
(68°F)		 26°C
(78°F)		 30°C
(86°F)		 31°C
(89°F)		 30°C
(87°F)		 29°C
(84°F)		 22°C
(72°F)		 13°C
(56°F)		 11°C
(51°F)
Daily mean 3°C
(37°F)		 5°C
(41°F)		 10°C
(50°F)		 14°C
(58°F)		 21°C
(70°F)		 25°C
(77°F)		 27°C
(81°F)		 25°C
(78°F)		 23°C
(74°F)		 17°C
(62°F)		 8°C
(47°F)		 6°C
(43°F)
Average low -1°C
(30°F)		 0°C
(32°F)		 5°C
(41°F)		 9°C
(48°F)		 16°C
(61°F)		 20°C
(69°F)		 23°C
(73°F)		 21°C
(70°F)		 18°C
(64°F)		 11°C
(53°F)		 3°C
(38°F)		 1°C
(35°F)
Mean minimum -13°C
(10°F)		 -11°C
(12°F)		 -6°C
(22°F)		 -0°C
(32°F)		 7°C
(44°F)		 15°C
(60°F)		 18°C
(64°F)		 15°C
(59°F)		 10°C
(50°F)		 3°C
(37°F)		 -6°C
(22°F)		 -8°C
(18°F)
Minimum -17°C
(2°F)		 -17°C
(1°F)		 -10°C
(13°F)		 -2°C
(28°F)		 4°C
(39°F)		 12°C
(54°F)		 17°C
(62°F)		 14°C
(57°F)		 9°C
(49°F)		 -0°C
(32°F)		 -11°C
(12°F)		 -14°C
(8°F)

Compare climate in Clay with other places

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

Monthly average precipitation in Clay, Kentucky, United States §

Clay usually has the most precipitation in February, March and April, with an average of 12 rainy days and 132 mm (5.2 inches) of precipitation per month.The driest months in Clay are August, September and November. On average, 89 mm (3.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Clay, Kentucky, 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) 95 (3.7) 132 (5.2) 125 (4.9) 140 (5.5) 123 (4.8) 117 (4.6) 93 (3.7) 88 (3.5) 93 (3.7) 118 (4.7) 86 (3.4) 100 (3.9)
Average precipitation days (≥ 1 mm) 8 12 13 11 14 10 10 11 7 10 9 10

Monthly sunshine hours in Clay, Kentucky, United States §

The sunniest months in Clay are June, July and August, when the sun shines an average of 10 hours 49 minutes a day.Least sunny months in Clay: January, February and December receive an average of 5 hours 10 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Clay, Kentucky, 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 128 159 206 249 285 328 349 317 287 242 210 182
Mean daily daylight hours 9h 53m 10h 48m 11h 59m 13h 11m 14h 11m 14h 41m 14h 25m 13h 31m 12h 22m 11h 10m 10h 7m 9h 36m

Solar UV radiation in Clay, Kentucky, United States §

Clay experiences the highest level of ultraviolet (UV) radiation in April, June and August, 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 Clay UV Index data.

Average daily maximum UV levels by month for Clay, Kentucky, 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 10 10 9 7 5 3