Johnson City weather in April

In April, Johnson City sees average daytime highs of 64°F and overnight lows near 45°F, with 4.4 in of precipitation across 13 wet days and about 12.9 hours of daylight. It is the 7th-warmest and 2nd-wettest month of the year here.

Highs climb over the month, from about 61°F in the first days to 67°F by the end. The sky is clear or mostly clear about 29% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 18 min at the start of April to 13 h 24 min by month's end. Set against the rest of the year, April is Johnson City's 5th-clearest and 4th-windiest month. For the whole year in context, see Johnson City's year-round climate.

Daytime high
64°
7th warmest
Overnight low
45°
6th coldest
Precipitation
4.4 in
13 wet days
Daylight
12 h 54 min
6:02 AM – 6:57 PM
Cloud cover
59%
5th clearest
Wind
6 mph
4th windiest
Solar energy
5.45 kWh/m²
Travel score
5.4
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 April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 61°F in the first days to 67°F by the end.

A typical April day in Johnson City reaches about 64°F in the afternoon and slips back to 45°F overnight — a 19°F spread between the day's warmth and the night's chill. On most days the high lands between 52°F and 76°F. Set against its neighbours, April runs about 9°F warmer than March and about 6°F cooler than May.

20°40°60°80°151015202530
Avg high (°F)Avg low (°F)
16041
26141
36142
46242
56242
66242
76343
86343
96343
106444
116444
126444
136444
146545
156545
166545
176545
186546
196546
206546
216646
226647
236647
246647
256647
266647
276748
286748
296748
306749

How April really feels in Johnson City

Once humidity and wind are folded in, April 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

April 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 April compares with the rest of the year at a glance. April is the 7th-warmest and 2nd-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 April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% of the time in April.

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

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14258
24357
34555
44555
54555
64753
74753
84852
94951
104852
114951
125050
135050
144951
154852
164852
174852
184852
194753
204753
214753
224654
234654
244555
254555
264555
274555
284555
294555
304555

Chance of precipitation in April

Any precipitationSnow

Johnson City gets around 4.4 in of rain and snow over 13 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 44% and peaks near 50% on the wettest days, and about 1 day brings snow. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)Snow chance (%)
1438
2438
3427
4427
5417
6417
7406
8406
9405
10405
11405
12404
13404
14404
15413
16423
17423
18433
19442
20452
21462
22462
23472
24482
25482
26491
27491
28491
29501
30501

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the dry band about 91% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
19820
29730
39730
49640
59640
69640
79550
89550
99460
109460
119370
129370
139370
149280
159280
169280
179280
189190
199190
209190
2190100
2289101
2388111
2487121
2587121
2686131
2784142
2883152
2982162
3080173

Wind in April

Winds average 6 mph in April.

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

0246810151015202530
Wind speed (mph)Feels
16calm
26calm
36calm
46calm
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

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 18 min at the start of April to 13 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 66 minutes over April. Sunrise moves from 6:24 AM to 5:44 AM, and sunset from 6:44 PM to 7:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:246:44
212.46:226:45
312.46:216:46
412.56:196:47
512.56:186:48
612.56:166:49
712.66:156:50
812.66:136:50
912.76:126:51
1012.76:106:52
1112.76:096:53
1212.86:086:54
1312.86:066:55
1412.86:056:56
1512.96:036:56
1612.96:026:57
1713.06:016:58
1813.05:596:59
1913.05:587:00
2013.15:567:01
2113.15:557:02
2213.15:547:03
2313.25:537:03
2413.25:517:04
2513.35:507:05
2613.35:497:06
2713.35:487:07
2813.45:467:08
2913.45:457:09
3013.45:447:10

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.45 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 — April's 5.45 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.9Bright
25.0Bright
35.0Bright
45.1Bright
55.1Bright
65.2Bright
75.2Bright
85.3Bright
95.3Bright
105.3Bright
115.4Bright
125.4Bright
135.4Bright
145.4Bright
155.4Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.6Bright
275.6Bright
285.6Bright
295.6Bright
305.6Bright
Planning a trip in April

Is April a good time to visit Johnson City?

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

5.4
Sightseeing
7th-best month of the year
1.8
Beach & pool
7th-best month of the year

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

What to pack for Johnson City in April

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

In April, Johnson City sees daytime highs around 64°F and nights near 45°F. Worth packing: a warm layer, rain gear and sun protection. About 13 days see rain.

a warm layerrain gearsun protection

UV index in Johnson City in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April 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 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 April

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where April 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
April 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).