Climateby Month

Louisville, KY weather in March

NOAA 1991-2020 normals and daily records · Louisville all year

Expect cool weather with frequent rain in Louisville in March, with highs near 58°F and lows near 39°F. Rain or snow falls on about 12 days. Snowfall averages about 2.1 in.

Normal high
58°F
Normal low
39°F
Wet days
12
4.6 in total
Snowfall
2.1 in
snow on the ground 1 day

How March changes from start to finish

Normal values at the start and end of March
March 1March 31
Normal high53°F64°F
Normal low34°F43°F
Chance of a wet day38%39%
Sunrise / sunset7:14 am / 6:35 pm7:29 am / 8:04 pm
Daylight11.3 h12.6 h

Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Eastern Time).

A typical March day

  1. 6 am42°Fdew point 33°F
  2. 9 am44°Fdew point 34°F
  3. Noon51°Fdew point 35°F
  4. 3 pm55°Fdew point 35°F
  5. 6 pm54°Fdew point 34°F
  6. 9 pm49°Fdew point 34°F

NOAA hourly normals (local standard time) from Louisville Intl Airport (5 mi away); average wind 9 mph; clear or few clouds in 48% of daytime hours, mostly cloudy or overcast in 47%.

What kind of days to expect

  • Comfortable dayshigh 65-80°F and dew point under 60°F9 of 31
  • Hot dayshigh 90°F or more0 of 31
  • Muggy daysdaily mean dew point 65°F or more0 of 31
  • Wet daysat least 0.01 in of rain or melted snow12 of 31
  • Notable rainat least 0.10 in8 of 31
  • Freezing nightslow 32°F or below10 of 31
  • Snow on the groundsnow depth 1 in or more1 of 31

Average days per March, counted from daily records for each year 1991-2020.

Rain and snow in March

Normal precipitation is 4.6 in; a dry March brings about 3.5 in and a wet one about 5.2 in (25th and 75th percentiles). About 3 days bring half an inch or more, and about 1 an inch or more. Normal snowfall is 2.1 in, with about 1 day of an inch or more.

How March varies from year to year

  • Warmest March, 1991-20202012: average high 71°F
  • Coolest March2013: average high 50°F
  • Wettest March1997: 12.6 in
  • Driest March2010: 1.2 in
  • Highest reading85°F (March 21, 2012)
  • Lowest reading8°F (March 6, 2015)

From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.

March compared with February and April

FebruaryMarchApril
Normal high48°F58°F70°F
Normal low31°F39°F49°F
Wet days101212
Comfortable days3915
Daylight10.8 h12.0 h13.2 h

Highs change by +10°F from February and +12°F into April.

Nearby alternatives in March

How Louisville ranks in March

  • Normal high204th warmest of 378 cities; 2nd of 3 in Kentucky
  • Wet days332nd driest of 378
  • Comfortable days179th most of 339

What to pack for Louisville in March

  • A warm jacket – lows near 39°F, highs near 58°F
  • A rain jacket or umbrella – rain or snow on about 12 days

Frost in March

The last spring frost typically comes around Mar 31; in 1 year in 10 it comes after Apr 16. All frost dates for Louisville.

Heating and cooling

March has 524 heating degree days and 8 cooling degree days (base 65°F), 9% of the year's total heating and cooling demand.

Questions

How cold is Louisville in March?

The normal high is 58°F and the normal low is 39°F. From 1991 to 2020 the coldest March reading was 8°F (March 6, 2015).

Does it rain a lot in Louisville in March?

About 12 days in March have at least 0.01 in of precipitation, and the normal total is 4.6 in. The wettest March in 1991-2020 was in 1997 (12.6 in); the driest was in 2010 (1.2 in).

Does it snow in Louisville in March?

Yes. Normal snowfall in March is 2.1 in, and snow covers the ground on about 1 day.

Is March a good time to visit Louisville?

March ranks 5th of 12 months on our comfort score for Louisville (55 out of 100). It has about 9 comfortable days. The best months are April, May and October.

Where the numbers come from

  • Temperature, rain, snowfall, snow depth, frost dates and humidity and wind by hour: Louisville Intl Airport (USW00093821), 5.0 mi WNW of the city center, 488 ft . NOAA normals and daily records, 1991-2020.
  • Cloud cover: Louisville Bowman Fld (USW00013810), 4.3 mi N of the city center, 540 ft . NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: Louisville Intl-Standiford Field Airport (724230-93821), 4.5 mi W of the city center, 480 ft . Hourly observations, 1991-2020.