Johnson City weather in July

In July, Johnson City sees average daytime highs of 80°F and overnight lows near 64°F, with 4.2 in of rain across 17 wet days and about 14.2 hours of daylight. It is the 1st-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 80°F through the month. The sky is clear or mostly clear about 23% of the time in July, and the air most often feels muggy.

Daylight stretches from about 14 h 24 min at the start of July to 13 h 54 min by month's end. Set against the rest of the year, July is Johnson City's 6th-clearest and 11th-windiest month. For the whole year in context, see Johnson City's year-round climate.

Daytime high
80°
1st warmest
Overnight low
64°
12th coldest
Rainfall
4.2 in
17 wet days
Daylight
14 h 12 min
5:28 AM – 7:43 PM
Cloud cover
61%
6th clearest
Wind
3 mph
11th windiest
Solar energy
5.85 kWh/m²
Travel score
5.5
out of 10

Johnson City is city in Washington, Carter, and Sullivan counties in Tennessee, United States.

Density
589/km²
people per km²
Founded
1856

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

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 80°F through the month.

A typical July day in Johnson City reaches about 80°F in the afternoon and slips back to 64°F overnight — a 16°F spread between the day's warmth and the night's chill. On most days the high lands between 74°F and 86°F. Set against its neighbours, July runs about 3°F warmer than June and on par with August.

50°60°70°80°151015202531
Avg high (°F)Avg low (°F)
17963
28063
38063
48064
58064
68064
78064
88064
98064
108064
118064
128064
138064
148064
158064
168064
178064
188065
198065
208065
218065
228065
238065
248065
258065
268064
278064
288064
298064
308064
318064

How July really feels in Johnson City

Once humidity and wind are folded in, July 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

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

Johnson City weather by month

How July compares with the rest of the year at a glance. July is the 1st-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan44° / 28°4.3134.99.80.6
Feb47° / 30°3.812.34.810.61.4
Mar55° / 36°4.813.63.411.73.3
Apr64° / 45°4.4131.212.95.4
May71° / 53°4.214.4013.95.9
Jun77° / 61°4.216.4014.45.8
Jul80° / 64°4.217014.25.5
Aug79° / 63°3.814013.46.0
Sep74° / 57°3.610.4012.26.8
Oct65° / 46°3.09.40.311.16.1
Nov55° / 36°3.49.81.210.13.5
Dec47° / 31°4.211.73.89.61.3

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 25% of July, with mostly cloudy or overcast conditions the remaining 52%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14654
24654
34654
44654
54753
64753
74753
84753
94753
104852
114753
124753
134753
144753
154753
164753
174753
184753
194852
204852
214852
224951
234951
245050
255050
265050
275149
285149
295149
305149
315149

Chance of precipitation in July

Any precipitation

Johnson City gets around 4.2 in of rain over 17 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 54% and peaks near 57% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
155
254
354
454
553
653
753
853
952
1052
1152
1252
1352
1453
1553
1654
1755
1855
1956
2056
2156
2257
2357
2457
2557
2656
2756
2856
2955
3054
3154

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the muggy band about 42% of days. Sticky, muggy-or-worse air turns up on roughly 42% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
18154929
27154830
37144831
47144732
56144633
66144634
76134536
85134437
95134338
105134239
115134241
124134142
134124043
144123944
154123945
164123846
174113847
183113748
193113748
203113749
213103749
223103750
233103749
244103749
254103749
264113848
274113847
284113946
294114045
304124044
314124143

Wind in July

Winds average 3 mph in July.

Across July, daily wind ranges from about 3 mph on the calmest days to 4 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
143calm
153calm
163calm
173calm
183calm
193calm
203calm
213calm
223calm
233calm
243calm
253calm
263calm
273calm
283calm
293calm
303calm
313calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 14 h 24 min at the start of July to 13 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 30 minutes over July. Sunrise moves from 5:19 AM to 5:39 AM, and sunset from 7:46 PM to 7:32 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.45:197:46
214.45:207:46
314.45:207:46
414.45:217:46
514.45:217:46
614.45:227:46
714.45:227:45
814.45:237:45
914.45:237:45
1014.35:247:45
1114.35:247:44
1214.35:257:44
1314.35:267:44
1414.35:267:43
1514.35:277:43
1614.25:287:43
1714.25:287:42
1814.25:297:42
1914.25:307:41
2014.25:307:40
2114.15:317:40
2214.15:327:39
2314.15:327:39
2414.15:337:38
2514.15:347:37
2614.05:357:36
2714.05:367:36
2814.05:367:35
2914.05:377:34
3013.95:387:33
3113.95:397:32

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.85 kWh/m².

For context, solar energy here swings from a low near 2.15 kWh/m² to a high of 6.06 kWh/m² in June across the year — July's 5.85 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.1Intense
26.1Intense
36.1Intense
46.0Intense
56.0Intense
66.0Intense
76.0Intense
86.0Bright
96.0Bright
106.0Bright
115.9Bright
125.9Bright
135.9Bright
145.9Bright
155.9Bright
165.8Bright
175.8Bright
185.8Bright
195.8Bright
205.8Bright
215.8Bright
225.8Bright
235.8Bright
245.7Bright
255.7Bright
265.7Bright
275.7Bright
285.7Bright
295.7Bright
305.6Bright
315.6Bright
Planning a trip in July

Is July a good time to visit Johnson City?

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

5.5
Sightseeing
6th-best month of the year
5.5
Beach & pool
3rd-best month of the year

July is a reasonable time to visit Johnson City for sightseeing.

What to pack for Johnson City in July

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

In July, Johnson City sees daytime highs around 80°F and nights near 64°F. Pack rain gear. Worth having: light clothes and sun protection. About 17 days see rain.

rain gearlight clothessun protection

UV index in Johnson City in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Johnson City 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
Oct5Moderate
Nov4Moderate
Dec2Moderate

Air quality in Johnson City in July

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Johnson City is worst in July — around 18 µg/m³ PM2.5 (moderate), about 2.6× the cleanest month (December, 7 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1618 µg/m³Dec 217 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb9Good
Mar10Good
Apr11Good
May13Moderate
Jun16Moderate
Jul18Moderate
Aug15Moderate
Sep12Good
Oct8Good
Nov8Good
Dec7Good
Location & terrain

Where is Johnson City?

Johnson City sits at 36.3°N, 82.4°W, 1,634 ft above sea level, in United States. The nearest listed city is Kingsport, 20 mi away.

Topography around Johnson City

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

Within 2 miles, the terrain around Johnson City has only modest variations in elevation — a maximum elevation change of 607 ft around an average of 1,719 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 2,418 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 5,682 ft.

The land around Johnson City is covered by trees (46%), grassland (27%) and artificial surfaces (27%) within 2 miles, trees (59%) and grassland (35%) within 10 miles, and trees (78%) and grassland (20%) within 50 miles.

2 miles
607 ft
10 miles
2,418 ft
50 miles
5,682 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
July weather nearby: Kingsport 20 mi · Bristol 22 mi · Bristol 22 mi · Greeneville 29 mi · Boone 39 mi · Asheville 50 mi · Morristown 53 mi · Lenoir 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 Johnson City (36.3134°, -82.3535°, elevation 1,634 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).