Annual mean 14°C · wettest around February · prevailing wind W
Warmest
28.8 °C
Coldest
5.1 °C
Wettest
49%
Windiest
3.9 m/s
Prevailing
W
2.9 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
never good
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Every reading
bars actual · line feels-like, °Cchance of rain, %wind speed, m/ssky covered, %
The average temperature in Johnson City over the whole year is 14°C. July is the hottest month, with highs of about 29°C; January is the coldest, with lows of about 0°C. Johnson City has no sharply defined rainy season: the chance of rain on a given day runs from 41% in July, the driest month, to 48% in February, the wettest. Winds in Johnson City are highest in March, averaging 2.4 m/s (9 km/h), and lightest in August, at 1.2 m/s (4 km/h). The prevailing wind is from the W. The clearest skies in Johnson City come in October, when the sky is typically 47% covered; January is the cloudiest month, at 63%.
Month by month Johnson City climate by month: average temperatures year round · click a month to read it
Month
High
Low
Feels like
Chance of rain
Cloud
Wind
Being outside
Sun
Walking
January
6°C
0°C
1°C
45%
63%
2.2 m/s
6
0
24
February
10°C
3°C
6°C
48%
61%
2.1 m/s
14
0
44
March
14°C
5°C
10°C
44%
54%
2.4 m/s
27
1
61
April
18°C
9°C
15°C
42%
52%
2.3 m/s
52
8
65
May
23°C
14°C
21°C
43%
58%
1.8 m/s
65
30
48
June
26°C
18°C
27°C
42%
52%
1.5 m/s
50
55
21
July
29°C
21°C
30°C
41%
53%
1.3 m/s
21
65
4
August
27°C
19°C
29°C
42%
55%
1.2 m/s
32
64
8
September
25°C
16°C
26°C
42%
50%
1.2 m/s
54
53
27
October
20°C
10°C
18°C
42%
47%
1.4 m/s
62
18
64
November
13°C
4°C
10°C
43%
48%
1.6 m/s
28
2
60
December
8°C
2°C
5°C
46%
60%
1.8 m/s
9
0
39
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Johnson City weather by season
Year round, Johnson City has days of about 6°C at their warmest in January, its coolest month, and 29°C in July, its warmest; the coolest hours of the day run from 0°C to 21°C through the year, and the average temperature over the year is 14°C around the clock. Rain is most likely around February and least likely around July. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Johnson City weather in winterDecember to February
High 8°CLow 2°CRain 46%
Winter in Johnson City has typical daily highs of about 8°C and lows of about 2°C, with a 46% chance of rain on a given day.
Johnson City weather in springMarch to May
High 18°CLow 9°CRain 43%
Spring in Johnson City has typical daily highs of about 18°C and lows of about 9°C, with a 43% chance of rain on a given day.
Johnson City weather in summerJune to August
High 27°CLow 19°CRain 42%
Summer in Johnson City has typical daily highs of about 27°C and lows of about 19°C, with a 42% chance of rain on a given day.
Johnson City weather in autumnSeptember to November
High 20°CLow 10°CRain 42%
Autumn in Johnson City has typical daily highs of about 20°C and lows of about 10°C, with a 42% chance of rain on a given day.
When is the rainy season in Johnson City?
Johnson City has no sharply defined rainy season: the chance of rain on a given day runs from 41% in July, the driest month, to 48% in February, the wettest.
What time of year is Johnson City windiest?
Winds in Johnson City are highest in March, averaging 2.4 m/s (9 km/h), and lightest in August, at 1.2 m/s (4 km/h). The prevailing wind is from the W.
What is the average temperature in Johnson City year round?
The average temperature in Johnson City over the whole year is 14°C. July is the hottest month, with highs of about 29°C; January is the coldest, with lows of about 0°C.