Louisville climate

Louisville Weather in May

NOAA 1991-2020 normals for Flora 5 Nw, 9.4 km from Louisville

Average highs run from 74°F on May 1 to 81°F on May 31, and lows from 51°F to 60°F. Normal precipitation for the month is 5.27 in over about 11 wet days.

May day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Louisville, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
77°F
Average low
55°F
Precipitation
5.27 in
Record high
95°FMay 29, 2012
Record low
34°FMay 18, 2002
Chance of a freeze
2%
Days of 90°F or more
0.7
Daylight
13 h 50 min to 14 h 42 min
Cloud cover
65%
Humidity
78%
Dew point
57°F
Wind
10.1 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
May 174°F51°F89°F 200735°F 202336%0%
May 274°F51°F86°F 200738°F 200536%0%
May 374°F51°F89°F 201237°F 200236%0%
May 475°F52°F87°F 200137°F 200536%0%
May 575°F52°F88°F 200137°F 201136%0%
May 675°F52°F87°F 201237°F 201136%0%
May 775°F53°F92°F 201238°F 201736%0%
May 875°F53°F86°F 201539°F 202636%0%
May 975°F53°F88°F 200435°F 202036%0%
May 1076°F54°F87°F 200437°F 202035%0%
May 1176°F54°F90°F 201838°F 202135%0%
May 1276°F54°F93°F 202239°F 202035%0%
May 1376°F55°F92°F 202239°F 202135%0%
May 1477°F55°F91°F 201841°F 201335%0%
May 1577°F55°F93°F 201840°F 201635%0%
May 1677°F55°F92°F 200141°F 200534%0%
May 1777°F56°F93°F 200137°F 201434%0%
May 1877°F56°F89°F 201934°F 200234%0%
May 1978°F56°F88°F 201939°F 200234%0%
May 2078°F57°F92°F 201238°F 200234%0%
May 2178°F57°F92°F 201236°F 200234%0%
May 2278°F57°F90°F 200439°F 200233%0%
May 2379°F57°F91°F 202146°F 200833%0%
May 2479°F58°F90°F 201042°F 201333%0%
May 2579°F58°F92°F 201042°F 201333%0%
May 2680°F58°F90°F 200644°F 200133%0%
May 2780°F58°F93°F 201248°F 201133%0%
May 2880°F59°F93°F 200650°F 200533%0%
May 2980°F59°F95°F 201248°F 202133%0%
May 3081°F59°F94°F 200643°F 202132%0%
May 3181°F60°F93°F 201144°F 202132%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Louisville, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

May 1
sunrise 5:56 AM, sunset 7:46 PM
May 31
sunrise 5:31 AM, sunset 8:13 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00113109 (Flora 5 Nw), public domain. Records: NOAA GHCN-Daily, station USC00113106, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.