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Monthly climate in Clarkson, Kentucky, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Clarkson features a humid subtropical climate (Cfa).Temperatures typically range between 3 °C (37 °F) and 26 °C (80 °F) through the year, but rarely can drop to -18 °C (0 °F) or can rise to as high as 37 °C (99 °F).The average annual precipitation amounts to about 1490 mm (58.7 inches) and receives 135 rainy days on the 1 mm (0.04 inches) threshold annually.Clarkson enjoys an average of 2916 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 Clarkson, Kentucky, United States §

The warmest months in Clarkson are June, July and August, with daily mean temperatures ranging from 24 to 26 °C (76 - 80 °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 - 42 °F) throughout the day. On average each year, Clarkson experiences 127 days above 25 °C (77.0 °F) and 59 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Clarkson, 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 20°C
(69°F)		 27°C
(80°F)		 27°C
(81°F)		 30°C
(86°F)		 34°C
(94°F)		 34°C
(94°F)		 37°C
(99°F)		 37°C
(98°F)		 36°C
(98°F)		 36°C
(97°F)		 27°C
(81°F)		 22°C
(73°F)
Mean maximum 19°C
(66°F)		 22°C
(72°F)		 25°C
(77°F)		 28°C
(83°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)		 23°C
(73°F)		 20°C
(68°F)
Average high 7°C
(44°F)		 10°C
(51°F)		 15°C
(59°F)		 19°C
(67°F)		 25°C
(78°F)		 29°C
(85°F)		 31°C
(89°F)		 30°C
(86°F)		 28°C
(82°F)		 22°C
(72°F)		 13°C
(56°F)		 10°C
(51°F)
Daily mean 3°C
(37°F)		 5°C
(42°F)		 10°C
(50°F)		 14°C
(57°F)		 20°C
(69°F)		 24°C
(76°F)		 26°C
(80°F)		 25°C
(77°F)		 22°C
(72°F)		 16°C
(61°F)		 8°C
(46°F)		 6°C
(42°F)
Average low -1°C
(30°F)		 1°C
(33°F)		 5°C
(41°F)		 9°C
(48°F)		 15°C
(60°F)		 19°C
(67°F)		 22°C
(71°F)		 20°C
(69°F)		 17°C
(63°F)		 11°C
(52°F)		 3°C
(37°F)		 1°C
(34°F)
Mean minimum -13°C
(9°F)		 -10°C
(14°F)		 -6°C
(22°F)		 -1°C
(30°F)		 6°C
(43°F)		 14°C
(57°F)		 17°C
(63°F)		 15°C
(59°F)		 10°C
(50°F)		 1°C
(35°F)		 -6°C
(22°F)		 -8°C
(19°F)
Minimum -18°C
(0°F)		 -14°C
(6°F)		 -12°C
(11°F)		 -3°C
(28°F)		 1°C
(33°F)		 10°C
(50°F)		 16°C
(60°F)		 14°C
(57°F)		 8°C
(47°F)		 -1°C
(31°F)		 -10°C
(14°F)		 -12°C
(11°F)

Compare climate in Clarkson with other places

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

Monthly average precipitation in Clarkson, Kentucky, United States §

Clarkson usually has the most precipitation in February, March and April, with an average of 13 rainy days and 149 mm (5.9 inches) of precipitation per month.The driest months in Clarkson are January, August and November. On average, 102 mm (4.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Clarkson, 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) 100 (3.9) 161 (6.4) 139 (5.5) 146 (5.8) 130 (5.1) 133 (5.2) 121 (4.7) 111 (4.4) 124 (4.9) 114 (4.5) 94 (3.7) 117 (4.6)
Average precipitation days (≥ 1 mm) 10 14 15 12 13 11 11 13 8 9 9 10

Monthly sunshine hours in Clarkson, Kentucky, United States §

The sunniest months in Clarkson are June, July and August, when the sun shines an average of 10 hours 41 minutes a day.Least sunny months in Clarkson: January, February and December receive an average of 5 hours 2 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Clarkson, 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 131 153 213 242 283 323 341 318 281 247 205 174
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 8m 9h 36m

Solar UV radiation in Clarkson, Kentucky, United States §

Clarkson 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 Clarkson UV Index data.

Average daily maximum UV levels by month for Clarkson, 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