Annual mean 12°C · wettest around May · prevailing wind W
Warmest
27.8 °C
Coldest
-0.5 °C
Wettest
19%
Windiest
5.1 m/s
Prevailing
W
4.1 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Every reading
bars actual · line feels-like, °Cchance of rain, %wind speed, m/ssky covered, %
The average temperature in Louisville over the whole year is 12°C. July is the hottest month, with highs of about 28°C; January is the coldest, with lows of about -3°C. Louisville has no sharply defined rainy season: the chance of rain on a given day runs from 17% in September, the driest month, to 21% in May, the wettest. Winds in Louisville are highest in January, averaging 3.7 m/s (13 km/h), and lightest in August, at 2.2 m/s (8 km/h). The prevailing wind is from the W. The clearest skies in Louisville come in July, when the sky is typically 42% covered; January is the cloudiest month, at 75%.
Month by month Louisville climate by month: average temperatures year round · click a month to read it
Month
High
Low
Feels like
Chance of rain
Cloud
Wind
Being outside
Sun
Walking
January
0°C
-3°C
-5°C
18%
75%
3.7 m/s
1
0
7
February
3°C
-1°C
-2°C
19%
65%
3.7 m/s
2
0
15
March
8°C
2°C
3°C
19%
59%
3.7 m/s
9
0
32
April
14°C
7°C
9°C
20%
57%
3.4 m/s
30
2
55
May
20°C
13°C
17°C
21%
53%
2.9 m/s
60
17
64
June
25°C
18°C
24°C
18%
45%
2.7 m/s
67
41
41
July
28°C
21°C
28°C
18%
42%
2.3 m/s
46
68
13
August
27°C
19°C
27°C
17%
44%
2.2 m/s
55
59
22
September
24°C
16°C
23°C
17%
43%
2.2 m/s
68
38
48
October
17°C
10°C
14°C
18%
53%
2.7 m/s
44
10
67
November
9°C
3°C
4°C
18%
58%
3.3 m/s
10
0
34
December
3°C
0°C
-2°C
18%
72%
3.4 m/s
0
0
13
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Louisville weather by season
Year round, Louisville has days of about 0°C at their warmest in January, its coolest month, and 28°C in July, its warmest; the coolest hours of the day run from -3°C to 21°C through the year, and the average temperature over the year is 12°C around the clock. Rain is most likely around May and least likely around September. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Louisville weather in winterDecember to February
High 2°CLow -1°CRain 18%
Winter in Louisville has typical daily highs of about 2°C and lows of about -1°C, with a 18% chance of rain on a given day.
Louisville weather in springMarch to May
High 14°CLow 8°CRain 20%
Spring in Louisville has typical daily highs of about 14°C and lows of about 8°C, with a 20% chance of rain on a given day.
Louisville weather in summerJune to August
High 26°CLow 19°CRain 18%
Summer in Louisville has typical daily highs of about 26°C and lows of about 19°C, with a 18% chance of rain on a given day.
Louisville weather in autumnSeptember to November
High 17°CLow 10°CRain 18%
Autumn in Louisville has typical daily highs of about 17°C and lows of about 10°C, with a 18% chance of rain on a given day.
When is the rainy season in Louisville?
Louisville has no sharply defined rainy season: the chance of rain on a given day runs from 17% in September, the driest month, to 21% in May, the wettest.
What time of year is Louisville windiest?
Winds in Louisville are highest in January, averaging 3.7 m/s (13 km/h), and lightest in August, at 2.2 m/s (8 km/h). The prevailing wind is from the W.
What is the average temperature in Louisville year round?
The average temperature in Louisville over the whole year is 12°C. July is the hottest month, with highs of about 28°C; January is the coldest, with lows of about -3°C.