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Louisville in December: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in Louisville in December will be like? Take a look at our weather guide for Louisville, based on historical data.
Check flight prices to Louisville on Avionero:
December

Weather in Louisville in December 2025

OK Weather
Cool
☁️
Cloudy
If you plan to visit Louisville in December, the weather is typically alright, with an average high temperature of +8°C during the day and approximately 4 sunny days. Expect some rainy, though, as there are typically 11 rainy days in the month and around 102 mm of precipitation. The weather is changeable so you may have to pack for every eventuality. Search flights in one click on Avionero.
Good to know:
  • December is usually the wettest month of the year in Louisville;

Average weather

☀️
+8°C
Avg. max. temperature
-29°C
Min.
+24°C
Max.
102 mm
Total precipitation
72%
Avg. humidity
3 m/s
Avg. wind
4 ☀️
Sunny Days
13 ⛅️
Cloudy
11 🌦
Rainy
Our opinion: Louisville has OK weather in December.

Average temperature in Louisville in December

Here are the expected maximum, average and minimum temperatures in Louisville for December based on the historical data.
Last Year
Historical Data

Going from a maximum of +18°C during the day to a minimum of -6°C during the night, the temperature in December averages around +11°C.

The average maximum temperature goes down 33% by the end of the month, compared with the beginning of the month, from +15°C to +7°C.

Is Louisville warm or cold in December?

Louisville is typically cool in December.

Maximum temperatures go down compared to the previous month from +14°C to +8°C. The minimum temperature also goes down from +5°C to 0°C.

Pack a sweater and a jacket as there will be cooler temperatures.

December is one of the coolest months in Louisville, here is the comparison with other months:

Climate in Louisville in December

Louisville weather looks like this, on average, in December and the surrounding months.
NovemberDecemberJanuary
Avg. temperature
+14°C+8°C+6°C
Min. temperature
-9°C-29°C-29°C
Max. temperature
+29°C+24°C+21°C
Rainfall
102 mm102 mm75 mm
Wind
2 m/s3 m/s3 m/s
Humidity
68%72%70%
Air pressure
1019 HPa1020 HPa1020 HPa
Sunny days
643
Cloudy days
101313
Rainy days
12118
Snowy days
146

December weather is still as ok as in November. It’s getting colder in December. From +14°C in the day, the average maximum temperature lowers to +8°C. The rainfall amount in December stays the same as in the previous month with a 102 mm of total precipitation. Humidity rises from 68% to 72%. Winds are stronger in comparison to November, going up from 2 m/s to 3 m/s on average. The days becoming less sunny, going from 6 sunny days in November to 4 in December.

January brings much the same weather, it remains ok.

Wind

Wind speed in Louisville in December based on historical data.
Last Year
Historical Data

The average wind speed is 3 m/s getting up to 6 m/s which is a medium breeze. You can feel it, especially getting out of the water.

The average wind speed in Louisville is gradually increasing during December, going from 3 m/s to 5 m/s over the course of the month.

Rain

Amount of rainfall in mm during December in Louisville based on historical data.
Last Year
Historical Data
Typically, there is a 45% chance of rain on an average day in December, with total rainfall of approximately 67 mm. The maximum amount of rainfall per day is around 16 mm, which is considered light rain. December is a pretty wet month with over 14 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of galoshes.
Here’s how December is compared with other months in the amount of precipitation, total mm:
Louisville wettest month is May, where a typical day has a 55% chance of precipitation and 154 mm of rainfall per day. January, on the other hand, is the driest month with a mere 26% chance of precipitation and 75 mm of rainfall per day.

Snow

Amount of snow in mm during December in Louisville based on historical data.
Last Year
Historical Data
Typically, there is a 0% chance of snow on an average day in December, with a total monthly snowfall of approximately 0 mm.

December is one of the snowiest months in Louisville.

Here’s how December is compared with other months in the amount of snow, total mm:

How was the weather last December in Louisville?

This is the weather in Louisville in December 2024:
1 December
🌫️
+15°C
2 December
☁️
+13°C
3 December
☁️
+12°C
4 December
☀️
+10°C
5 December
🌫️
+9°C
6 December
☁️
+8°C
7 December
☀️
+14°C
8 December
☀️
+16°C
9 December
☁️
+17°C
10 December
☁️
+12°C
11 December
☁️
+7°C
12 December
☀️
+12°C
13 December
☀️
+10°C
14 December
☀️
+13°C
15 December
☀️
+15°C
16 December
☀️
+15°C
17 December
🌧️
+14°C
18 December
☁️
+7°C
19 December
☀️
+4°C
20 December
☀️
+11°C
21 December
☀️
+12°C
22 December
☀️
+14°C
23 December
☁️
+11°C
24 December
☁️
+18°C
25 December
☁️
+14°C
26 December
☁️
+13°C
27 December
☀️
+11°C
28 December
☁️
+9°C
29 December
🌧️
+4°C
30 December
☁️
+5°C
31 December
☁️
+7°C
In December 2024 Louisville had 13 sunny days, 14 cloudy days, and 2 rainy days. The average maximum temperature was +11°C, with an absolute maximum of +18°C and a minimum of +4°C. The average humidity was 72%, with a maximum of 96% and a minimum of 24%. The average wind speed was 3 m/s, with a maximum of 10 m/s and a minimum of 0 m/s.
Are you planning a trip in December?

Climate Change over Years

This is how Louisville climate have been changing during last 43 years period.

The climate in Louisville in December has not changed much over the last 43 years.

The average temperature was the lowest in 1979 (+17°C) and the highest in 2012 (+21°C). The driest year was 1987 with only 957 mm of rainfall, and the wettest year was 2011 with 1944 mm.

FAQ

Frequently asked questions about the weather in Louisville in December:

Is December a good time to visit Louisville?

It’s always a good time to visit Louisville, but the weather is changeable in December, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.

Can you sunbathe in Louisville in December?

Not really, December is not the best time to sunbathe, unless you visit a local solarium.

Is Louisville rainy in December?

Louisville is often rainy in December. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Louisville in December?

Usually, it’s not very sunny in Louisville in December, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in USA

Check out the weather for other cities in USA.

Monthly weather in Louisville

Source of the data

For this page, we’ve looked at the typical weather in Louisville, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.