Morristown weather in May

In May, Morristown sees average daytime highs of 76°F and overnight lows near 57°F, with 3.7 in of rain across 12.2 wet days and about 13.9 hours of daylight. It is the 5th-warmest and 7th-wettest month of the year here.

Highs climb over the month, from about 72°F in the first days to 79°F by the end. The sky is clear or mostly clear about 28% of the time in May, and the air most often feels dry.

Daylight stretches from about 13 h 30 min at the start of May to 14 h 18 min by month's end. Set against the rest of the year, May is Morristown's 8th-clearest and 7th-windiest month. For the whole year in context, see Morristown's year-round climate.

Daytime high
76°
5th warmest
Overnight low
57°
8th coldest
Rainfall
3.7 in
12.2 wet days
Daylight
13 h 54 min
5:32 AM – 7:27 PM
Cloud cover
60%
8th clearest
Wind
5 mph
7th windiest
Solar energy
5.91 kWh/m²
Travel score
6.4
out of 10

Morristown is city in Tennessee, United States.

Density
415/km²
people per km²
Founded
1787

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 72°F in the first days to 79°F by the end.

A typical May day in Morristown reaches about 76°F in the afternoon and slips back to 57°F overnight — a 19°F spread between the day's warmth and the night's chill. On most days the high lands between 65°F and 84°F. Set against its neighbours, May runs about 7°F warmer than April and about 7°F cooler than June.

40°60°80°151015202531
Avg high (°F)Avg low (°F)
17253
27253
37353
47354
57354
67354
77355
87455
97455
107455
117456
127556
137556
147556
157557
167657
177657
187658
197658
207758
217758
227759
237859
247860
257860
267960
277960
287961
297961
308061
318062

How May really feels in Morristown

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.

Morristown weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan47° / 30°4.010.92.29.81.4
Feb51° / 33°3.911.22.410.62.3
Mar59° / 40°4.412.10.911.74.4
Apr69° / 48°3.911.1012.96.1
May76° / 57°3.712.2013.96.4
Jun83° / 65°3.313.2014.45.4
Jul86° / 69°4.115014.24.6
Aug85° / 67°3.111.2013.45.1
Sep80° / 61°3.18.7012.26.7
Oct70° / 49°2.98011.16.9
Nov58° / 39°3.49.20.210.14.5
Dec49° / 33°4.111.11.59.62.1

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 18% of May, with mostly cloudy or overcast conditions the remaining 54%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14654
24654
34654
44753
54753
64654
74654
84654
94753
104654
114753
124753
134753
144753
154654
164654
174654
184654
194654
204654
214654
224555
234555
244555
254555
264555
274555
284555
294555
304654
314555

Chance of precipitation in May

Any precipitation

Morristown gets around 3.7 in of rain over 12.2 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 40% and peaks near 43% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
143
243
343
443
542
642
742
841
941
1040
1139
1239
1338
1438
1537
1637
1737
1837
1937
2037
2138
2238
2338
2439
2539
2640
2740
2841
2941
3041
3142

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 38% of days. Sticky, muggy-or-worse air turns up on roughly 12% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
163221410
261231510
358231720
456241820
554242020
651252130
749252330
847252440
945252540
1044252650
1142252760
1241252860
1340252870
1438252880
1538252990
16372429100
17362429110
18352329120
19342330130
20332230140
21322230150
22312230161
23292230181
24282231191
25262231201
26252231211
27232232221
28222232231
29212232241
30192132261
31182132271

Wind in May

Winds average 5 mph in May.

Across May, daily wind ranges from about 4 mph on the calmest days to 5 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 30 min at the start of May to 14 h 18 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 5:47 AM to 5:23 AM, and sunset from 7:14 PM to 7:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.55:477:14
213.55:467:15
313.55:447:16
413.65:437:17
513.65:427:18
613.65:417:18
713.75:407:19
813.75:397:20
913.75:387:21
1013.75:377:22
1113.85:367:23
1213.85:357:24
1313.85:347:24
1413.95:347:25
1513.95:337:26
1613.95:327:27
1713.95:317:28
1814.05:307:29
1914.05:307:29
2014.05:297:30
2114.05:287:31
2214.15:287:32
2314.15:277:33
2414.15:267:33
2514.15:267:34
2614.25:257:35
2714.25:257:36
2814.25:247:36
2914.25:247:37
3014.25:237:38
3114.35:237:38

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.91 kWh/m².

For context, solar energy here swings from a low near 2.04 kWh/m² to a high of 6.12 kWh/m² in June across the year — May's 5.91 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.6Bright
25.7Bright
35.7Bright
45.7Bright
55.7Bright
65.7Bright
75.8Bright
85.8Bright
95.8Bright
105.8Bright
115.8Bright
125.9Bright
135.9Bright
145.9Bright
155.9Bright
165.9Bright
176.0Bright
186.0Bright
196.0Bright
206.0Intense
216.0Intense
226.0Intense
236.0Intense
246.0Intense
256.0Intense
266.0Intense
276.0Intense
286.0Intense
296.0Intense
306.0Intense
316.0Intense
Planning a trip in May

Hazard calendar for Morristown

In seasonPeak

None of Morristown's seasonal hazards are active in May. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Morristown sits in the Atlantic hurricane belt; the season peaks August–October.

Atlantic hurricane
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is May a good time to visit Morristown?

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

6.4
Sightseeing
3rd-best month of the year
5.5
Beach & pool
5th-best month of the year

May is a reasonable time to visit Morristown for sightseeing.

What to pack for Morristown in May

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

In May, Morristown sees daytime highs around 76°F and nights near 57°F. Worth packing: light clothes, rain gear and sun protection. About 12 days see rain.

light clothesrain gearsun protection

UV index in Morristown in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Morristown peaks around July 13 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJul 13UV 10Dec 20UV 2
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr7High
May8Very high
Jun9Very high
Jul10Very high
Aug8Very high
Sep7High
Oct4Moderate
Nov4Moderate
Dec2Moderate

Air quality in Morristown 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 Morristown is worst in July — around 18 µg/m³ PM2.5 (moderate), about 2.8× the cleanest month (December, 6 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1517 µg/m³Dec 226 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb8Good
Mar10Good
Apr11Good
May13Moderate
Jun16Moderate
Jul18Moderate
Aug15Moderate
Sep11Good
Oct8Good
Nov8Good
Dec6Good
Location & terrain

Where is Morristown?

Morristown sits at 36.2°N, 83.3°W, 1,302 ft above sea level, in United States. The nearest listed city is Greeneville, 26 mi away.

Topography around Morristown

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

Within 2 miles, the terrain around Morristown has only modest variations in elevation — a maximum elevation change of 512 ft around an average of 1,355 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,056 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 5,886 ft.

The land around Morristown is covered by trees (48%) and grassland (32%) within 2 miles, trees (44%) and grassland (40%) within 10 miles, and trees (75%) and grassland (21%) within 50 miles.

2 miles
512 ft
10 miles
1,056 ft
50 miles
5,886 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Greeneville 26 mi · Sevierville 28 mi · Gatlinburg 37 mi · Knoxville 39 mi · Kingsport 47 mi · Maryville 49 mi · Johnson City 53 mi · Farragut 53 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 Morristown (36.214°, -83.2949°, elevation 1,302 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).