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Monthly climate in Louisville, Ohio, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Louisville features a humid continental climate (Dfa).Temperatures typically range between -1 °C (30 °F) and 24 °C (75 °F) through the year, but rarely can drop to -25 °C (-12 °F) or can rise to as high as 34 °C (93 °F).The average annual precipitation amounts to about 1302 mm (51.2 inches) and receives 150 rainy days on the 1 mm (0.04 inches) threshold annually.Louisville enjoys an average of 2706 hours of sunshine throughout the year, and daylight varies from 9 hours 17 minutes to 15 hours 2 minutes per day.

Monthly average temperatures in Louisville, Ohio, United States §

The warmest months in Louisville are June, July and August, with daily mean temperatures ranging from 21 to 24 °C (70 - 75 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -1 to 2 °C (30 - 35 °F) throughout the day. On average each year, Louisville experiences 88 days above 25 °C (77.0 °F) and 93 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Louisville, Ohio, 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
(69°F)		 24°C
(76°F)		 24°C
(75°F)		 29°C
(84°F)		 32°C
(90°F)		 33°C
(93°F)		 34°C
(93°F)		 33°C
(92°F)		 33°C
(93°F)		 32°C
(90°F)		 25°C
(78°F)		 17°C
(64°F)
Mean maximum 15°C
(59°F)		 18°C
(66°F)		 22°C
(72°F)		 26°C
(79°F)		 31°C
(88°F)		 32°C
(91°F)		 33°C
(92°F)		 32°C
(90°F)		 31°C
(89°F)		 28°C
(83°F)		 20°C
(69°F)		 16°C
(61°F)
Average high 3°C
(37°F)		 5°C
(42°F)		 10°C
(50°F)		 15°C
(60°F)		 22°C
(71°F)		 26°C
(79°F)		 29°C
(84°F)		 27°C
(82°F)		 25°C
(77°F)		 19°C
(66°F)		 9°C
(49°F)		 5°C
(42°F)
Daily mean -1°C
(30°F)		 1°C
(33°F)		 5°C
(41°F)		 10°C
(51°F)		 17°C
(62°F)		 21°C
(70°F)		 24°C
(75°F)		 22°C
(73°F)		 20°C
(68°F)		 14°C
(57°F)		 5°C
(41°F)		 2°C
(35°F)
Average low -5°C
(23°F)		 -4°C
(26°F)		 -0°C
(32°F)		 5°C
(42°F)		 12°C
(53°F)		 16°C
(62°F)		 19°C
(66°F)		 18°C
(64°F)		 15°C
(59°F)		 9°C
(49°F)		 1°C
(34°F)		 -2°C
(29°F)
Mean minimum -19°C
(-2°F)		 -16°C
(4°F)		 -10°C
(14°F)		 -3°C
(27°F)		 2°C
(37°F)		 10°C
(50°F)		 14°C
(57°F)		 12°C
(54°F)		 8°C
(46°F)		 2°C
(35°F)		 -7°C
(20°F)		 -11°C
(12°F)
Minimum -25°C
(-12°F)		 -21°C
(-6°F)		 -16°C
(4°F)		 -5°C
(23°F)		 -1°C
(30°F)		 5°C
(41°F)		 12°C
(54°F)		 9°C
(49°F)		 4°C
(39°F)		 -2°C
(29°F)		 -14°C
(8°F)		 -18°C
(-0°F)

Compare climate in Louisville with other places

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

Monthly average precipitation in Louisville, Ohio, United States §

Louisville usually has the most precipitation in April, June and July, with an average of 14 rainy days and 129 mm (5.1 inches) of precipitation per month.The driest months in Louisville are January, November and December. On average, 92 mm (3.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Louisville, Ohio, 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) 90 (3.5) 104 (4.1) 101 (4.0) 134 (5.3) 119 (4.7) 128 (5.0) 126 (5.0) 96 (3.8) 108 (4.2) 110 (4.3) 93 (3.7) 93 (3.7)
Average precipitation days (≥ 1 mm) 12 13 13 14 15 14 14 13 9 13 10 10

Monthly sunshine hours in Louisville, Ohio, United States §

The sunniest months in Louisville are June, July and August, when the sun shines an average of 10 hours 25 minutes a day.Least sunny months in Louisville: January, February and December receive an average of 4 hours 7 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Louisville, Ohio, 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 101 142 216 237 259 304 335 319 275 217 165 131
Mean daily daylight hours 9h 36m 10h 39m 11h 58m 13h 19m 14h 28m 15h 2m 14h 43m 13h 42m 12h 24m 11h 3m 9h 53m 9h 17m

Solar UV radiation in Louisville, Ohio, United States §

Louisville experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 10 - 10, which corresponds to the Very High category of sun exposure.January, November and December are in the Low / Moderate exposure category. In these months, the maximum values of the UV index do not exceed 4. For more detailed information, check out our hourly Louisville UV Index data.

Average daily maximum UV levels by month for Louisville, Ohio, 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 6 9 10 10 10 9 8 6 4 2