Louisville weather in March
In March, Louisville sees average daytime highs of 55°F and overnight lows near 38°F, with 4.5 in of precipitation across 11.4 wet days and about 11.7 hours of daylight. It is the 8th-warmest and 3rd-wettest month of the year here.
Highs climb over the month, from about 51°F in the first days to 60°F by the end. The sky is clear or mostly clear about 26% of the time in March, and the air most often feels dry.
Daylight stretches from about 11 h 06 min at the start of March to 12 h 18 min by month's end. Set against the rest of the year, March is Louisville's 9th-clearest and 2nd-windiest month. For the whole year in context, see Louisville's year-round climate.
- Daytime high
- 55°
- 8th warmest
- Overnight low
- 38°
- 4th coldest
- Precipitation
- 4.5 in
- 11.4 wet days
- Daylight
- 11 h 42 min
- 7:02 AM – 6:43 PM
- Cloud cover
- 66%
- 9th clearest
- Wind
- 7 mph
- 2nd windiest
- Solar energy
- 4.01 kWh/m²
- Travel score
- 3.5
- out of 10
Louisville is county seat of Jefferson County, Kentucky, United States.
- Density
- 3,637/km²
- people per km²
- Founded
- 1778
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in March
Highs climb over the month, from about 51°F in the first days to 60°F by the end.
A typical March day in Louisville reaches about 55°F in the afternoon and slips back to 38°F overnight — a 18°F spread between the day's warmth and the night's chill. On most days the high lands between 41°F and 71°F. Set against its neighbours, March runs about 10°F warmer than February and about 11°F cooler than April.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 50 | 50 | 51 | 51 | 51 | 52 | 52 | 52 | 53 | 53 | 54 | 54 | 54 | 55 | 55 | 55 | 56 | 56 | 57 | 57 | 57 | 58 | 58 | 58 | 59 | 59 | 60 | 60 | 60 | 61 | 61 |
| Avg low (°F) | 33 | 33 | 33 | 33 | 34 | 34 | 34 | 35 | 35 | 35 | 36 | 36 | 36 | 37 | 37 | 38 | 38 | 38 | 39 | 39 | 39 | 40 | 40 | 40 | 41 | 41 | 41 | 42 | 42 | 42 | 43 |
| Avg high (°F) | Avg low (°F) | |
|---|---|---|
| 1 | 50 | 33 |
| 2 | 50 | 33 |
| 3 | 51 | 33 |
| 4 | 51 | 33 |
| 5 | 51 | 34 |
| 6 | 52 | 34 |
| 7 | 52 | 34 |
| 8 | 52 | 35 |
| 9 | 53 | 35 |
| 10 | 53 | 35 |
| 11 | 54 | 36 |
| 12 | 54 | 36 |
| 13 | 54 | 36 |
| 14 | 55 | 37 |
| 15 | 55 | 37 |
| 16 | 55 | 38 |
| 17 | 56 | 38 |
| 18 | 56 | 38 |
| 19 | 57 | 39 |
| 20 | 57 | 39 |
| 21 | 57 | 39 |
| 22 | 58 | 40 |
| 23 | 58 | 40 |
| 24 | 58 | 40 |
| 25 | 59 | 41 |
| 26 | 59 | 41 |
| 27 | 60 | 41 |
| 28 | 60 | 42 |
| 29 | 60 | 42 |
| 30 | 61 | 42 |
| 31 | 61 | 43 |
How March really feels in Louisville
Once humidity and wind are folded in, March averages 0 days that feel above 90°F and 15 that feel at or below 32°F — the comfort signal a plain temperature reading hides.
The story in March is cold — wind chill drags the overnight "feels like" below the raw low.
Louisville weather by month
How March compares with the rest of the year at a glance. March is the 8th-warmest and 3rd-wettest month here — the current month is highlighted below.
| Month | High / Low (°F) | Rainfall (inches) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 41° / 27° | 3.6 | 9.7 | 2.6 | 9.6 | 0.1 |
| Feb | 46° / 29° | 3.3 | 9.2 | 2.6 | 10.5 | 1.1 |
| Mar | 55° / 38° | 4.5 | 11.4 | 1.3 | 11.7 | 3.5 |
| Apr | 67° / 48° | 5.0 | 12 | 0.1 | 13 | 5.7 |
| May | 75° / 58° | 5.0 | 12.8 | 0 | 14 | 6.3 |
| Jun | 83° / 66° | 4.0 | 11.8 | 0 | 14.6 | 5.5 |
| Jul | 87° / 69° | 4.0 | 11.9 | 0 | 14.4 | 4.7 |
| Aug | 85° / 67° | 2.8 | 9.1 | 0 | 13.5 | 5.3 |
| Sep | 80° / 60° | 3.0 | 7.7 | 0 | 12.3 | 6.9 |
| Oct | 68° / 48° | 3.3 | 8.1 | 0 | 11 | 6.6 |
| Nov | 55° / 38° | 3.5 | 9.3 | 0.6 | 9.9 | 3.6 |
| Dec | 45° / 31° | 4.0 | 10.1 | 2.2 | 9.4 | 1.0 |
Cloud cover in March
The sky is clear or mostly clear about 26% of the time in March.
Beyond those clear spells, partly cloudy skies cover about 10% of March, with mostly cloudy or overcast conditions the remaining 64%.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 35 | 36 | 36 | 37 | 38 | 38 | 39 | 39 | 39 | 38 | 38 | 37 | 37 | 37 | 36 | 36 | 36 | 36 | 35 | 34 | 34 | 34 | 34 | 34 | 35 | 35 | 36 | 36 | 37 | 37 | 38 |
| Cloudier (%) | 65 | 64 | 64 | 63 | 62 | 62 | 61 | 61 | 61 | 62 | 62 | 63 | 63 | 63 | 64 | 64 | 64 | 64 | 65 | 66 | 66 | 66 | 66 | 66 | 65 | 65 | 64 | 64 | 63 | 63 | 62 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 35 | 65 |
| 2 | 36 | 64 |
| 3 | 36 | 64 |
| 4 | 37 | 63 |
| 5 | 38 | 62 |
| 6 | 38 | 62 |
| 7 | 39 | 61 |
| 8 | 39 | 61 |
| 9 | 39 | 61 |
| 10 | 38 | 62 |
| 11 | 38 | 62 |
| 12 | 37 | 63 |
| 13 | 37 | 63 |
| 14 | 37 | 63 |
| 15 | 36 | 64 |
| 16 | 36 | 64 |
| 17 | 36 | 64 |
| 18 | 36 | 64 |
| 19 | 35 | 65 |
| 20 | 34 | 66 |
| 21 | 34 | 66 |
| 22 | 34 | 66 |
| 23 | 34 | 66 |
| 24 | 34 | 66 |
| 25 | 35 | 65 |
| 26 | 35 | 65 |
| 27 | 36 | 64 |
| 28 | 36 | 64 |
| 29 | 37 | 63 |
| 30 | 37 | 63 |
| 31 | 38 | 62 |
Chance of precipitation in March
Louisville gets around 4.5 in of rain and snow over 11.4 wet days in March. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable precipitation averages around 36% and peaks near 41% on the wettest days, and about 1 day brings snow. The odds climb toward the end of the month.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 34 | 33 | 33 | 33 | 33 | 33 | 34 | 34 | 34 | 34 | 34 | 34 | 35 | 35 | 35 | 35 | 35 | 35 | 36 | 37 | 37 | 38 | 39 | 39 | 40 | 40 | 40 | 40 | 41 | 41 | 41 |
| Snow chance (%) | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 |
| Rain chance (%) | Snow chance (%) | |
|---|---|---|
| 1 | 34 | 6 |
| 2 | 33 | 6 |
| 3 | 33 | 6 |
| 4 | 33 | 6 |
| 5 | 33 | 6 |
| 6 | 33 | 6 |
| 7 | 34 | 6 |
| 8 | 34 | 6 |
| 9 | 34 | 6 |
| 10 | 34 | 6 |
| 11 | 34 | 5 |
| 12 | 34 | 5 |
| 13 | 35 | 5 |
| 14 | 35 | 5 |
| 15 | 35 | 5 |
| 16 | 35 | 4 |
| 17 | 35 | 4 |
| 18 | 35 | 4 |
| 19 | 36 | 4 |
| 20 | 37 | 3 |
| 21 | 37 | 3 |
| 22 | 38 | 3 |
| 23 | 39 | 3 |
| 24 | 39 | 2 |
| 25 | 40 | 2 |
| 26 | 40 | 2 |
| 27 | 40 | 2 |
| 28 | 40 | 2 |
| 29 | 41 | 1 |
| 30 | 41 | 1 |
| 31 | 41 | 1 |
Humidity in March
Most of March feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, March lands in the dry band about 95% of days. It rarely turns muggy — the humid and sticky bands barely register.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 99 | 99 | 99 | 99 | 99 | 99 | 98 | 98 | 98 | 97 | 97 | 97 | 96 | 96 | 96 | 96 | 95 | 94 | 94 | 94 | 93 | 93 | 93 | 93 | 93 | 93 | 92 | 92 | 92 | 92 | 90 |
| Comfortable (%) | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 8 |
| Humid (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 |
| Dry (%) | Comfortable (%) | Humid (%) | |
|---|---|---|---|
| 1 | 99 | 1 | 0 |
| 2 | 99 | 1 | 0 |
| 3 | 99 | 1 | 0 |
| 4 | 99 | 1 | 0 |
| 5 | 99 | 1 | 0 |
| 6 | 99 | 1 | 0 |
| 7 | 98 | 2 | 0 |
| 8 | 98 | 2 | 0 |
| 9 | 98 | 2 | 0 |
| 10 | 97 | 3 | 0 |
| 11 | 97 | 3 | 0 |
| 12 | 97 | 3 | 0 |
| 13 | 96 | 4 | 0 |
| 14 | 96 | 4 | 0 |
| 15 | 96 | 4 | 0 |
| 16 | 96 | 4 | 0 |
| 17 | 95 | 5 | 0 |
| 18 | 94 | 5 | 1 |
| 19 | 94 | 5 | 1 |
| 20 | 94 | 5 | 1 |
| 21 | 93 | 6 | 1 |
| 22 | 93 | 6 | 1 |
| 23 | 93 | 6 | 1 |
| 24 | 93 | 6 | 1 |
| 25 | 93 | 6 | 1 |
| 26 | 93 | 6 | 1 |
| 27 | 92 | 7 | 1 |
| 28 | 92 | 7 | 1 |
| 29 | 92 | 7 | 1 |
| 30 | 92 | 7 | 1 |
| 31 | 90 | 8 | 2 |
Wind in March
Winds average 7 mph in March.
Across March, daily wind ranges from about 7 mph on the calmest days to 7 mph at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (mph) | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (mph) | Feels | |
|---|---|---|
| 1 | 7 | calm |
| 2 | 7 | calm |
| 3 | 7 | calm |
| 4 | 7 | calm |
| 5 | 7 | calm |
| 6 | 7 | calm |
| 7 | 7 | calm |
| 8 | 7 | calm |
| 9 | 7 | calm |
| 10 | 7 | calm |
| 11 | 7 | calm |
| 12 | 7 | calm |
| 13 | 7 | calm |
| 14 | 7 | calm |
| 15 | 7 | calm |
| 16 | 7 | calm |
| 17 | 7 | calm |
| 18 | 7 | calm |
| 19 | 7 | calm |
| 20 | 7 | calm |
| 21 | 7 | calm |
| 22 | 7 | calm |
| 23 | 7 | calm |
| 24 | 7 | calm |
| 25 | 7 | calm |
| 26 | 7 | calm |
| 27 | 7 | calm |
| 28 | 7 | calm |
| 29 | 7 | calm |
| 30 | 7 | calm |
| 31 | 7 | calm |
Sunrise & sunset in March
Daylight runs from about 11 h 06 min at the start of March to 12 h 18 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 72 minutes over March. Sunrise moves from 7:24 AM to 6:38 AM, and sunset from 6:28 PM to 6:58 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 11.1 | 11.1 | 11.2 | 11.2 | 11.2 | 11.3 | 11.3 | 11.4 | 11.4 | 11.4 | 11.5 | 11.5 | 11.6 | 11.6 | 11.7 | 11.7 | 11.7 | 11.8 | 11.8 | 11.9 | 11.9 | 11.9 | 12.0 | 12.0 | 12.1 | 12.1 | 12.2 | 12.2 | 12.2 | 12.3 | 12.3 |
| Sunrise (AM) | 7:24 | 7:23 | 7:21 | 7:20 | 7:18 | 7:17 | 7:16 | 7:14 | 7:13 | 7:11 | 7:10 | 7:08 | 7:07 | 7:05 | 7:03 | 7:02 | 7:00 | 6:59 | 6:57 | 6:56 | 6:54 | 6:52 | 6:51 | 6:49 | 6:48 | 6:46 | 6:45 | 6:43 | 6:41 | 6:40 | 6:38 |
| Sunset (PM) | 6:28 | 6:29 | 6:30 | 6:31 | 6:32 | 6:34 | 6:35 | 6:36 | 6:37 | 6:38 | 6:39 | 6:40 | 6:41 | 6:42 | 6:43 | 6:43 | 6:44 | 6:45 | 6:46 | 6:47 | 6:48 | 6:49 | 6:50 | 6:51 | 6:52 | 6:53 | 6:54 | 6:55 | 6:56 | 6:57 | 6:58 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.1 | 7:24 | 6:28 |
| 2 | 11.1 | 7:23 | 6:29 |
| 3 | 11.2 | 7:21 | 6:30 |
| 4 | 11.2 | 7:20 | 6:31 |
| 5 | 11.2 | 7:18 | 6:32 |
| 6 | 11.3 | 7:17 | 6:34 |
| 7 | 11.3 | 7:16 | 6:35 |
| 8 | 11.4 | 7:14 | 6:36 |
| 9 | 11.4 | 7:13 | 6:37 |
| 10 | 11.4 | 7:11 | 6:38 |
| 11 | 11.5 | 7:10 | 6:39 |
| 12 | 11.5 | 7:08 | 6:40 |
| 13 | 11.6 | 7:07 | 6:41 |
| 14 | 11.6 | 7:05 | 6:42 |
| 15 | 11.7 | 7:03 | 6:43 |
| 16 | 11.7 | 7:02 | 6:43 |
| 17 | 11.7 | 7:00 | 6:44 |
| 18 | 11.8 | 6:59 | 6:45 |
| 19 | 11.8 | 6:57 | 6:46 |
| 20 | 11.9 | 6:56 | 6:47 |
| 21 | 11.9 | 6:54 | 6:48 |
| 22 | 11.9 | 6:52 | 6:49 |
| 23 | 12.0 | 6:51 | 6:50 |
| 24 | 12.0 | 6:49 | 6:51 |
| 25 | 12.1 | 6:48 | 6:52 |
| 26 | 12.1 | 6:46 | 6:53 |
| 27 | 12.2 | 6:45 | 6:54 |
| 28 | 12.2 | 6:43 | 6:55 |
| 29 | 12.2 | 6:41 | 6:56 |
| 30 | 12.3 | 6:40 | 6:57 |
| 31 | 12.3 | 6:38 | 6:58 |
Solar energy in March
Average shortwave solar energy reaching the ground each day in March, about 4.01 kWh/m².
For context, solar energy here swings from a low near 1.78 kWh/m² to a high of 6.2 kWh/m² in June across the year — March's 4.01 kWh/m² falls in the middle.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 3.5 | 3.5 | 3.6 | 3.6 | 3.6 | 3.7 | 3.7 | 3.8 | 3.8 | 3.8 | 3.9 | 3.9 | 3.9 | 4.0 | 4.0 | 4.0 | 4.1 | 4.1 | 4.1 | 4.2 | 4.2 | 4.3 | 4.3 | 4.3 | 4.4 | 4.4 | 4.5 | 4.5 | 4.6 | 4.6 | 4.7 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 3.5 | Moderate |
| 2 | 3.5 | Moderate |
| 3 | 3.6 | Moderate |
| 4 | 3.6 | Moderate |
| 5 | 3.6 | Moderate |
| 6 | 3.7 | Moderate |
| 7 | 3.7 | Moderate |
| 8 | 3.8 | Moderate |
| 9 | 3.8 | Moderate |
| 10 | 3.8 | Moderate |
| 11 | 3.9 | Moderate |
| 12 | 3.9 | Moderate |
| 13 | 3.9 | Moderate |
| 14 | 4.0 | Moderate |
| 15 | 4.0 | Moderate |
| 16 | 4.0 | Bright |
| 17 | 4.1 | Bright |
| 18 | 4.1 | Bright |
| 19 | 4.1 | Bright |
| 20 | 4.2 | Bright |
| 21 | 4.2 | Bright |
| 22 | 4.3 | Bright |
| 23 | 4.3 | Bright |
| 24 | 4.3 | Bright |
| 25 | 4.4 | Bright |
| 26 | 4.4 | Bright |
| 27 | 4.5 | Bright |
| 28 | 4.5 | Bright |
| 29 | 4.6 | Bright |
| 30 | 4.6 | Bright |
| 31 | 4.7 | Bright |
Hazard calendar for Louisville
None of Louisville's seasonal hazards are active in March. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
Louisville sits in the Atlantic hurricane belt; the season peaks August–October.
Is March a good time to visit Louisville?
Our two travel scores rate March for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
March is a weaker month for outdoor sightseeing in Louisville.
What to pack for Louisville in March
From March's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In March, Louisville sees daytime highs around 55°F and nights near 38°F. Worth packing: a warm layer and rain gear. About 11 days see rain.
UV index in Louisville in March
Clear-sky midday UV in March peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Louisville peaks around June 23 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 2 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 3 | 5 | 6 | 7 | 9 | 9 | 8 | 6 | 3 | 3 | 2 |
| Level | Moderate | Moderate | High | High | Very high | Very high | Very high | Very high | High | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Moderate |
| Feb | 3 | Moderate |
| Mar | 5 | High |
| Apr | 6 | High |
| May | 7 | Very high |
| Jun | 9 | Very high |
| Jul | 9 | Very high |
| Aug | 8 | Very high |
| Sep | 6 | High |
| Oct | 3 | Moderate |
| Nov | 3 | Moderate |
| Dec | 2 | Low |
Air quality in Louisville in March
Average fine-particle pollution (PM2.5) through the year — so you can see where March falls, not just the annual average.
Air quality in Louisville is worst in July — around 19 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (December, 8 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 9 | 10 | 11 | 11 | 15 | 17 | 19 | 15 | 12 | 8 | 8 | 8 |
| Level | Good | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 9 | Good |
| Feb | 10 | Good |
| Mar | 11 | Good |
| Apr | 11 | Good |
| May | 15 | Moderate |
| Jun | 17 | Moderate |
| Jul | 19 | Moderate |
| Aug | 15 | Moderate |
| Sep | 12 | Good |
| Oct | 8 | Good |
| Nov | 8 | Good |
| Dec | 8 | Good |
Where is Louisville?
Louisville sits at 38.3°N, 85.8°W, 466 ft above sea level, in United States. The nearest listed city is Jeffersonville, 1.9 mi away.
Topography around Louisville
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Louisville.
Within 2 miles, the terrain around Louisville has only modest variations in elevation — a maximum elevation change of 154 ft around an average of 449 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 709 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 873 ft.
The land around Louisville is covered by artificial surfaces (59%) within 2 miles, trees (49%) and artificial surfaces (26%) within 10 miles, and trees (57%) and grassland (22%) within 50 miles.
United States travel facts
- Power plugs
- Type A / B
- 120 V · 60 Hz
- Prices
- ≈ 100% of US
- price level, 2025
- GDP per capita
- $90,027
- 2025
- Happiness
- 6.8 / 10
- World Happiness, 2025
- Safe drinking water
- 98%
- of population, 2024
- Homicide rate
- 5.8
- per 100k, 2023
- Road deaths
- 12.7
- per 100k/yr, 2019
- Income group
- High
- World Bank
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Louisville (38.2542°, -85.7594°, elevation 466 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).