Louisville Temperatures: Averages by Month





The numbers here tell you how hot and cold the weather usually is in Louisville, Kentucky during each month of the year.

The average high and low temperatures are listed below monthly and annually for Louisville, in both degrees Fahrenheit and Celsius.

Maximums and minimums are only part of the temperature picture. To fill in the rest, there's information on how many days a month get above or below a given temperature.

To find out how often it rises over 70, 80 or 90 °F each month in the city, scroll down farther. There are also monthly and yearly counts of days with cold weather.

All the numbers are long-term historical averages based on climate data gathered from 1981 to 2010.

Average Louisville temperatures
High °F Low °F   High °C Low °C
43 27 January 6 -3
48 30 February 9 -1
58 38 March 14 3
69 47 April 20 9
77 57 May 25 14
85 66 June 30 19
89 70 July 32 21
88 69 August 31 20
82 61 September 28 16
70 49 October 21 9
58 40 November 14 4
46 30 December 8 -1
68 49 Year 20 9

Days of Hot Weather in Louisville

Temperatures into the 90s Fahrenheit can descend on Louisville anytime from May to September. On an average of once in five years, October also has a 90-degree day.

The city averages just one day a year when a daytime high reaches into the 100s (over 37 °C). Only July and August can get that hot.

Days per month in Louisville of at least 70, 80 or 90 °F
  70 °F
21 °C
80 °F
27 °C
90 °F
32 °C
January 0 0 0
February 1 0 0
March 1 1 0
April 15 5 0
May 25 13 1
June 29 24 7
July 31 30 13
August 31 29 12
September 27 18 4
October 16 5 0
November 5 0 0
December 1 0 0
Year 186 124 37

How Often Louisville Has Cold Temperatures

Louisville usually has nights with freezing temperatures dispersed from November to March. Normally five nights a year get as cold as 10 degrees F or below.

In winter, from December to February, Louisville has an occasional day that never warms up to above 32 °F. Although rare, the cold daytime weather can even spill over into March or November. The city on average sees 12 days a year that remain below freezing.

Days per month on average in Louisville when the minimum temperature drops to 10, 20, or 32 °F or below
  10 °F
-12 °C
20 °F
-8 °C
32 °F
0 °C
January 2 8 21
February 1 5 16
March 0 1 10
April 0 0 1
May 0 0 0
June 0 0 0
July 0 0 0
August 0 0 0
September 0 0 0
October 0 0 0
November 0 0 7
December 1 5 18
Year 5 19 73
Reference

National Climatic Data Center. NOAA's 1981-2010 Climate Normals.

Kentucky Temperatures
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