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Johnson City (TN)
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United States weather

Weather in Johnson City, Tennessee for May 2026

Your guide to Johnson City weather in May - trends and predictions

    Temperatures

  • In general, the average temperature in Johnson City at the beginning of May is 20.6 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 19.6 °F by the end of May.

    • Rain 🌧️

  • Johnson City experiences heavy rainfall in May, with over 20 rainy days and an average total precipitation 192.3 mm.

    • More

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Average dry days
8
Dry days
Average rainy days
23
Rainy days
Average snowy days
0
Snow days
Average temperatures
22°/13°
Temperatures
Average wind speed
16 km/h
Avg max wind
Average humidity
78 %
Avg humidity

Johnson City Weather May

Move between months or click on a day
April
June
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Moderate rain at times
25°
2
Patchy rain possible
25°
3
Moderate rain at times
24°
4
Patchy rain possible
18°
5
Patchy rain possible
15°
6
Patchy rain possible
17°
7
Overcast
20°
8
Heavy rain at times
22°
9
Moderate rain at times
20°
10
Overcast
22°
11
Moderate rain at times
23°
12
Moderate or heavy rain shower
22°
13
Moderate or heavy rain shower
21°
14
Moderate or heavy rain shower
23°
15
Cloudy
28°
16
Moderate rain at times
26°
17
Moderate rain at times
26°
18
Overcast
25°
19
Moderate or heavy rain shower
24°
20
Patchy rain possible
28°
21
Moderate rain at times
23°
22
Patchy rain possible
20°
23
Cloudy
18°
24
Overcast
19°
25
Overcast
21°
26
Light rain shower
17°
27
Overcast
19°
28
Light rain shower
21°
29
Fog
20°
30
Moderate or heavy rain shower
19°
31
Overcast
20°

Temperatures trend during May in Johnson City

See the weather trend as well as the moving average line

May weather in Johnson City day by day

Click on a date for more information
April June
Date Weather Temperatures Rain UV More
May 1 Moderate rain at times
Moderate rain at times
 25° /17° 1.6 mm 6
May 2 Patchy rain possible
Patchy rain possible
 25° /15° 3.5 mm 6
May 3 Moderate rain at times
Moderate rain at times
 24° /15° 5.9 mm 5
May 4 Patchy rain possible
Patchy rain possible
 18° /11° 2.7 mm 4
May 5 Patchy rain possible
Patchy rain possible
 15° /8° 0.6 mm 4
May 6 Patchy rain possible
Patchy rain possible
 17° /7° 0.3 mm 4
May 7 Overcast
Overcast
 20° /10° 0 mm 5
May 8 Heavy rain at times
Heavy rain at times
 22° /12° 9.1 mm 5
May 9 Moderate rain at times
Moderate rain at times
 20° /11° 3 mm 5
May 10 Overcast
Overcast
 22° /7° 0.1 mm 5
May 11 Moderate rain at times
Moderate rain at times
 23° /12° 2 mm 5
May 12 Moderate or heavy rain shower
Moderate or heavy rain shower
 22° /14° 37.5 mm 5
May 13 Moderate or heavy rain shower
Moderate or heavy rain shower
 21° /15° 22.6 mm 5
May 14 Moderate or heavy rain shower
Moderate or heavy rain shower
 23° /13° 3.4 mm 5
May 15 Cloudy
Cloudy
 28° /15° 1.5 mm 6
May 16 Moderate rain at times
Moderate rain at times
 26° /19° 0.8 mm 6
May 17 Moderate rain at times
Moderate rain at times
 26° /19° 6.8 mm 6
May 18 Overcast
Overcast
 25° /14° 0 mm 6
May 19 Moderate or heavy rain shower
Moderate or heavy rain shower
 24° /14° 6.5 mm 5
May 20 Patchy rain possible
Patchy rain possible
 28° /16° 1.5 mm 6
May 21 Moderate rain at times
Moderate rain at times
 23° /16° 11.9 mm 5
May 22 Patchy rain possible
Patchy rain possible
 20° /12° 0.2 mm 5
May 23 Cloudy
Cloudy
 18° /10° 0 mm 4
May 24 Overcast
Overcast
 19° /8° 0 mm 4
May 25 Overcast
Overcast
 21° /14° 4.7 mm 5
May 26 Light rain shower
Light rain shower
 17° /14° 5.2 mm 4
May 27 Overcast
Overcast
 19° /13° 0 mm 4
May 28 Light rain shower
Light rain shower
 21° /13° 14.2 mm 5
May 29 Fog
Fog
 20° /13° 3.2 mm 5
May 30 Moderate or heavy rain shower
Moderate or heavy rain shower
 19° /12° 43.5 mm 4
May 31 Overcast
Overcast
 20° /11° 0 mm 5
Next
Important Notice
Our weather forecast for Johnson City in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Johnson City forecast closer to your planned date for the most up-to-date weather information.
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Johnson City in May - FAQ

What are the expected maximum and minimum temperatures in Johnson City during May?
Enjoy moderate daytime temperatures of up to 22° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Johnson City during May?
Significant rainfall exceeding 192.3 mm is expected in Johnson City during May, occurring over more than 23 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Johnson City during May?
The average wind speed in Johnson City during May is 16 km/h, suggesting breezy to windy conditions, depending on your activities.

May rainfall patterns in Johnson City

Explore the daily rainfall trends and prepare for Johnson Citys May weather 💧

UV exposure in Johnson City during May

Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️

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Location coordinates Where is Johnson City?

Get accurate weather forecasts for Johnson City, located at latitude 36.313 and longitude -82.353. Stay updated with localized weather information tailored for Johnson City.

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