Saint Matthews weather in May

In May, Saint Matthews sees average daytime highs of 75°F and overnight lows near 58°F, with 5.0 in of rain across 12.8 wet days and about 14 hours of daylight. It is the 5th-warmest and 1st-wettest month of the year here.

Highs climb over the month, from about 71°F in the first days to 79°F by the end. The sky is clear or mostly clear about 24% of the time in May, and the air most often feels dry.

Daylight stretches from about 13 h 36 min at the start of May to 14 h 24 min by month's end. Set against the rest of the year, May is Saint Matthews's 8th-clearest and 8th-windiest month. For the whole year in context, see Saint Matthews's year-round climate.

Daytime high
75°
5th warmest
Overnight low
58°
8th coldest
Rainfall
5.0 in
12.8 wet days
Daylight
14 h 06 min
5:37 AM – 7:41 PM
Cloud cover
64%
8th clearest
Wind
6 mph
8th windiest
Solar energy
5.74 kWh/m²
Travel score
6.3
out of 10

Saint Matthews is city in Jefferson County, Kentucky, United States.

Density
1,561/km²
people per km²
Founded
1950

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 71°F in the first days to 79°F by the end.

A typical May day in Saint Matthews reaches about 75°F in the afternoon and slips back to 58°F overnight — a 17°F spread between the day's warmth and the night's chill. On most days the high lands between 64°F and 85°F. Set against its neighbours, May runs about 8°F warmer than April and about 8°F cooler than June.

40°60°80°151015202531
Avg high (°F)Avg low (°F)
17153
27153
37153
47254
57254
67254
77355
87355
97355
107356
117456
127456
137457
147457
157557
167558
177558
187658
197658
207659
217659
227759
237760
247760
257860
267861
277861
287961
297962
307962
318062

How May really feels in Saint Matthews

Once humidity and wind are folded in, May averages 0 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
0
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Saint Matthews weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan41° / 27°3.69.72.69.60.1
Feb46° / 29°3.39.22.610.51.1
Mar55° / 38°4.511.41.311.73.5
Apr67° / 48°5.0120.1135.7
May75° / 58°5.012.80146.3
Jun83° / 66°4.011.8014.65.5
Jul87° / 69°4.011.9014.44.7
Aug85° / 67°2.89.1013.55.3
Sep80° / 60°3.07.7012.36.9
Oct68° / 48°3.38.10116.6
Nov55° / 38°3.59.30.69.93.6
Dec45° / 31°4.010.12.29.41.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 16% of May, with mostly cloudy or overcast conditions the remaining 60%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14159
24060
34159
44060
54060
64060
74060
84159
94060
104060
114060
124060
134060
144060
154060
163961
174060
183961
193961
203961
214060
223961
233961
244060
254060
264060
274159
284258
294258
304258
314357

Chance of precipitation in May

Any precipitation

Saint Matthews gets around 5.0 in of rain over 12.8 wet days in May, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 41% and peaks near 44% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
144
244
344
443
543
642
742
842
941
1041
1141
1241
1341
1440
1540
1640
1740
1840
1940
2041
2141
2241
2341
2441
2541
2641
2741
2841
2941
3041
3141

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

Most of May feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, May lands in the dry band about 45% of days. Sticky, muggy-or-worse air turns up on roughly 18% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
166181420
264191520
362191630
460201640
558211740
656211850
755211860
853211970
952211980
10502119100
11492119110
12482019120
13472019141
14461919151
15451919171
16441819181
17441719191
18431719211
19421718221
20411618241
21391618251
22381618262
23371618272
24351718272
25341719283
26331719283
27311819283
28301820293
29291920294
30271921294
31261921294

Wind in May

Winds average 6 mph in May.

Across May, daily wind ranges from about 6 mph on the calmest days to 7 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
17calm
27calm
37calm
47calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 36 min at the start of May to 14 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 48 minutes over May. Sunrise moves from 5:53 AM to 5:27 AM, and sunset from 7:27 PM to 7:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.65:537:27
213.65:527:28
313.65:507:29
413.75:497:30
513.75:487:31
613.75:477:32
713.85:467:33
813.85:457:34
913.85:447:34
1013.95:437:35
1113.95:427:36
1213.95:417:37
1314.05:407:38
1414.05:397:39
1514.05:387:40
1614.15:377:41
1714.15:367:42
1814.15:357:43
1914.25:347:44
2014.25:347:44
2114.25:337:45
2214.25:327:46
2314.35:317:47
2414.35:317:48
2514.35:307:49
2614.35:297:49
2714.45:297:50
2814.45:287:51
2914.45:287:52
3014.45:277:52
3114.45:277:53

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.74 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 — May's 5.74 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.4Bright
45.4Bright
55.5Bright
65.5Bright
75.5Bright
85.5Bright
95.5Bright
105.6Bright
115.6Bright
125.6Bright
135.7Bright
145.7Bright
155.7Bright
165.7Bright
175.8Bright
185.8Bright
195.8Bright
205.8Bright
215.9Bright
225.9Bright
235.9Bright
245.9Bright
256.0Bright
266.0Bright
276.0Bright
286.0Intense
296.0Intense
306.0Intense
316.0Intense
Planning a trip in May

Is May a good time to visit Saint Matthews?

Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

6.3
Sightseeing
3rd-best month of the year
5.2
Beach & pool
5th-best month of the year

May is a reasonable time to visit Saint Matthews for sightseeing.

What to pack for Saint Matthews in May

From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In May, Saint Matthews sees daytime highs around 75°F and nights near 58°F. Worth packing: light clothes, rain gear and sun protection. About 13 days see rain.

light clothesrain gearsun protection

UV index in Saint Matthews in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Saint Matthews 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJun 23UV 9Dec 22UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar5High
Apr6High
May7Very high
Jun9Very high
Jul9Very high
Aug8Very high
Sep6High
Oct3Moderate
Nov3Moderate
Dec2Low

Air quality in Saint Matthews in May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.

Air quality in Saint Matthews 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).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1418 µg/m³Dec 118 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb10Good
Mar11Good
Apr11Good
May15Moderate
Jun17Moderate
Jul19Moderate
Aug15Moderate
Sep12Good
Oct8Good
Nov8Good
Dec8Good
Location & terrain

Where is Saint Matthews?

Saint Matthews sits at 38.3°N, 85.7°W, 551 ft above sea level, in United States. The nearest listed city is Jeffersonville, 5.0 mi away.

Topography around Saint Matthews

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Saint Matthews.

Within 2 miles, the terrain around Saint Matthews has only modest variations in elevation — a maximum elevation change of 154 ft around an average of 541 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 505 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 866 ft.

The land around Saint Matthews is covered by trees (59%) and artificial surfaces (26%) within 2 miles, trees (45%), artificial surfaces (29%) and grassland (20%) within 10 miles, and trees (56%) and grassland (23%) within 50 miles.

2 miles
154 ft
10 miles
505 ft
50 miles
866 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Jeffersonville 5.0 mi · Louisville 5.6 mi · Jeffersontown 6.2 mi · Clarksville 6.2 mi · Newburg 6.2 mi · Fern Creek 7.5 mi · Highview 8.1 mi · Okolona 8.1 mi

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
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

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 Saint Matthews (38.2529°, -85.6558°, elevation 551 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. 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).