Johnson City, TN Weather

Johnson City has a humid subtropical climate , with warm summers and cool winters. Temperatures in Johnson City are moderated somewhat by its elevation and proximity to the Appalachian Mountains. Precipitation is abundant, with an average of 45.22 in (1,149 mm). Summer is typically the wettest part of the year, while early autumn is considerably drier. Snowfall is moderate and sporadic, with an average of 15.6 in (40 cm).

Average Temperature
Jan
45 °F
7 °C
Feb
52 °F
11 °C
Mar
55 °F
13 °C
Apr
70 °F
21 °C
May
77 °F
25 °C
Jun
77 °F
25 °C
Jul
82 °F
28 °C
Aug
81 °F
27 °C
Sep
82 °F
28 °C
Oct
70 °F
21 °C
Nov
54 °F
12 °C
Dec
54 °F
12 °C
Humidity
Jan
73%
Feb
69%
Mar
58%
Apr
65%
May
73%
Jun
81%
Jul
85%
Aug
79%
Sep
71%
Oct
73%
Nov
67%
Dec
69%
Rain
Jan
67mm
Feb
107mm
Mar
50mm
Apr
74mm
May
61mm
Jun
119mm
Jul
117mm
Aug
92mm
Sep
27mm
Oct
104mm
Nov
63mm
Dec
83mm
Clouds
Jan
71%
Feb
61%
Mar
57%
Apr
53%
May
30%
Jun
50%
Jul
34%
Aug
33%
Sep
14%
Oct
35%
Nov
48%
Dec
55%
Air quality US AQI
Jan
27
Feb
26
Mar
27
Apr
27
May
33
Jun
32
Jul
36
Aug
34
Sep
30
Oct
22
Nov
31
Dec
28
Sun
Jan
3UVI
Feb
4UVI
Mar
5UVI
Apr
6UVI
May
8UVI
Jun
8UVI
Jul
9UVI
Aug
8UVI
Sep
8UVI
Oct
5UVI
Nov
3UVI
Dec
2UVI