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Monthly climate in Somerset, Kentucky, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Somerset features a humid subtropical climate (Cfa).Temperatures typically range between 4 °C (39 °F) and 26 °C (79 °F) through the year, but rarely can drop to -17 °C (2 °F) or can rise to as high as 37 °C (98 °F).The average annual precipitation amounts to about 1521 mm (59.9 inches) and receives 141 rainy days on the 1 mm (0.04 inches) threshold annually.Somerset enjoys an average of 2964 hours of sunshine throughout the year, and daylight varies from 9 hours 39 minutes to 14 hours 38 minutes per day.

Monthly average temperatures in Somerset, Kentucky, United States §

The warmest months in Somerset are June, July and August, with daily mean temperatures ranging from 23 to 26 °C (74 - 79 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 4 to 7 °C (39 - 44 °F) throughout the day. On average each year, Somerset experiences 125 days above 25 °C (77.0 °F) and 47 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Somerset, 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 22°C
(71°F)		 27°C
(80°F)		 28°C
(82°F)		 31°C
(89°F)		 35°C
(95°F)		 36°C
(97°F)		 36°C
(97°F)		 37°C
(98°F)		 36°C
(97°F)		 36°C
(96°F)		 28°C
(82°F)		 22°C
(73°F)
Mean maximum 20°C
(67°F)		 23°C
(75°F)		 26°C
(79°F)		 28°C
(83°F)		 31°C
(89°F)		 33°C
(91°F)		 35°C
(94°F)		 33°C
(92°F)		 32°C
(90°F)		 31°C
(88°F)		 24°C
(75°F)		 20°C
(69°F)
Average high 8°C
(47°F)		 12°C
(53°F)		 16°C
(60°F)		 20°C
(68°F)		 25°C
(78°F)		 28°C
(83°F)		 31°C
(87°F)		 30°C
(85°F)		 28°C
(82°F)		 22°C
(73°F)		 14°C
(58°F)		 11°C
(52°F)
Daily mean 4°C
(39°F)		 7°C
(44°F)		 10°C
(51°F)		 14°C
(58°F)		 20°C
(68°F)		 23°C
(74°F)		 26°C
(79°F)		 25°C
(77°F)		 22°C
(72°F)		 17°C
(62°F)		 9°C
(48°F)		 6°C
(44°F)
Average low 0°C
(32°F)		 2°C
(36°F)		 5°C
(42°F)		 9°C
(48°F)		 15°C
(60°F)		 19°C
(66°F)		 22°C
(71°F)		 20°C
(69°F)		 18°C
(64°F)		 12°C
(54°F)		 4°C
(39°F)		 2°C
(36°F)
Mean minimum -11°C
(13°F)		 -8°C
(17°F)		 -6°C
(22°F)		 -1°C
(31°F)		 6°C
(43°F)		 14°C
(57°F)		 17°C
(62°F)		 15°C
(60°F)		 11°C
(51°F)		 2°C
(36°F)		 -4°C
(25°F)		 -7°C
(20°F)
Minimum -17°C
(2°F)		 -13°C
(9°F)		 -9°C
(16°F)		 -2°C
(28°F)		 1°C
(34°F)		 10°C
(50°F)		 15°C
(60°F)		 14°C
(58°F)		 8°C
(47°F)		 -0°C
(31°F)		 -8°C
(18°F)		 -11°C
(12°F)

Compare climate in Somerset with other places

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

Monthly average precipitation in Somerset, Kentucky, United States §

Somerset usually has the most precipitation in February, March and June, with an average of 13 rainy days and 159 mm (6.2 inches) of precipitation per month.The driest months in Somerset are January, July and November. On average, 94 mm (3.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Somerset, 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) 99 (3.9) 185 (7.3) 149 (5.9) 139 (5.5) 128 (5.0) 142 (5.6) 104 (4.1) 120 (4.7) 117 (4.6) 121 (4.8) 78 (3.1) 139 (5.5)
Average precipitation days (≥ 1 mm) 11 15 13 12 13 12 12 13 9 11 9 11

Monthly sunshine hours in Somerset, Kentucky, United States §

The sunniest months in Somerset are June, July and August, when the sun shines an average of 10 hours 32 minutes a day.Least sunny months in Somerset: 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 Somerset, 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 134 156 225 248 303 314 338 316 282 262 212 169
Mean daily daylight hours 9h 56m 10h 50m 11h 59m 13h 9m 14h 9m 14h 38m 14h 22m 13h 29m 12h 21m 11h 11m 10h 10m 9h 39m

Solar UV radiation in Somerset, Kentucky, United States §

Somerset experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 11 - 11, which corresponds to the 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 Somerset UV Index data.

Average daily maximum UV levels by month for Somerset, 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 9 11 11 11 10 9 7 5 3