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Monthly climate in Winchester, Kentucky, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Winchester features a humid subtropical climate (Cfa).Temperatures typically range between 2 °C (36 °F) and 25 °C (78 °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 1437 mm (56.6 inches) and receives 141 rainy days on the 1 mm (0.04 inches) threshold annually.Winchester enjoys an average of 2929 hours of sunshine throughout the year, and daylight varies from 9 hours 33 minutes to 14 hours 44 minutes per day.

Monthly average temperatures in Winchester, Kentucky, United States §

The warmest months in Winchester are June, July and August, with daily mean temperatures ranging from 23 to 25 °C (73 - 78 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 2 to 5 °C (36 - 41 °F) throughout the day. On average each year, Winchester experiences 118 days above 25 °C (77.0 °F) and 63 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Winchester, 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)		 26°C
(80°F)		 27°C
(81°F)		 30°C
(86°F)		 32°C
(90°F)		 34°C
(94°F)		 36°C
(97°F)		 36°C
(98°F)		 36°C
(97°F)		 35°C
(95°F)		 26°C
(80°F)		 21°C
(70°F)
Mean maximum 18°C
(66°F)		 22°C
(72°F)		 25°C
(77°F)		 28°C
(83°F)		 31°C
(88°F)		 32°C
(91°F)		 34°C
(94°F)		 33°C
(92°F)		 32°C
(91°F)		 30°C
(86°F)		 23°C
(73°F)		 19°C
(67°F)
Average high 6°C
(43°F)		 10°C
(50°F)		 14°C
(58°F)		 19°C
(66°F)		 24°C
(76°F)		 28°C
(82°F)		 30°C
(87°F)		 29°C
(85°F)		 27°C
(81°F)		 21°C
(70°F)		 12°C
(55°F)		 9°C
(49°F)
Daily mean 2°C
(36°F)		 5°C
(41°F)		 9°C
(48°F)		 13°C
(56°F)		 19°C
(67°F)		 23°C
(73°F)		 25°C
(78°F)		 24°C
(76°F)		 22°C
(71°F)		 16°C
(60°F)		 7°C
(45°F)		 5°C
(41°F)
Average low -1°C
(30°F)		 1°C
(33°F)		 4°C
(39°F)		 8°C
(47°F)		 15°C
(58°F)		 18°C
(65°F)		 21°C
(70°F)		 20°C
(68°F)		 17°C
(62°F)		 11°C
(52°F)		 3°C
(37°F)		 1°C
(34°F)
Mean minimum -13°C
(9°F)		 -10°C
(14°F)		 -7°C
(20°F)		 -2°C
(29°F)		 5°C
(41°F)		 13°C
(55°F)		 16°C
(60°F)		 14°C
(58°F)		 9°C
(49°F)		 1°C
(34°F)		 -6°C
(22°F)		 -8°C
(18°F)
Minimum -17°C
(1°F)		 -16°C
(4°F)		 -12°C
(11°F)		 -3°C
(26°F)		 -0°C
(32°F)		 9°C
(48°F)		 14°C
(58°F)		 13°C
(56°F)		 8°C
(46°F)		 -0°C
(32°F)		 -10°C
(14°F)		 -12°C
(11°F)

Compare climate in Winchester with other places

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

Monthly average precipitation in Winchester, Kentucky, United States §

Winchester usually has the most precipitation in February, April and June, with an average of 13 rainy days and 150 mm (5.9 inches) of precipitation per month.The driest months in Winchester are July, August and November. On average, 93 mm (3.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Winchester, 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) 142 (5.6) 131 (5.1) 138 (5.4) 118 (4.6) 170 (6.7) 96 (3.8) 99 (3.9) 121 (4.8) 111 (4.4) 84 (3.3) 129 (5.1)
Average precipitation days (≥ 1 mm) 10 14 13 13 13 14 12 13 9 11 9 10

Monthly sunshine hours in Winchester, Kentucky, United States §

The sunniest months in Winchester are June, July and August, when the sun shines an average of 10 hours 33 minutes a day.Least sunny months in Winchester: January, February and December receive an average of 4 hours 56 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Winchester, 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 130 151 226 243 296 312 342 316 281 256 203 167
Mean daily daylight hours 9h 51m 10h 47m 11h 58m 13h 12m 14h 14m 14h 44m 14h 28m 13h 32m 12h 22m 11h 9m 10h 5m 9h 33m

Solar UV radiation in Winchester, Kentucky, United States §

Winchester experiences the highest level of ultraviolet (UV) radiation in May, 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, February 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 Winchester UV Index data.

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