Annual mean 16°C · wettest around February · prevailing wind W
Warmest
30.1 °C
Coldest
7.0 °C
Wettest
45%
Windiest
4.0 m/s
Prevailing
W
3.1 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 Signal Mountain over the whole year is 16°C. July is the hottest month, with highs of about 30°C; January is the coldest, with lows of about 2°C. Signal Mountain has no sharply defined rainy season: the chance of rain on a given day runs from 38% in September, the driest month, to 45% in February, the wettest. Winds in Signal Mountain are highest in March, averaging 2.7 m/s (10 km/h), and lightest in August, at 1.4 m/s (5 km/h). The prevailing wind is from the W. The clearest skies in Signal Mountain come in July, when the sky is typically 41% covered; February is the cloudiest month, at 59%.
Month by month Signal Mountain 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
7°C
2°C
4°C
41%
57%
2.4 m/s
9
0
31
February
12°C
5°C
8°C
45%
59%
2.5 m/s
21
0
51
March
16°C
8°C
12°C
41%
51%
2.7 m/s
38
1
68
April
20°C
11°C
17°C
40%
46%
2.4 m/s
62
13
66
May
24°C
16°C
24°C
40%
47%
2.0 m/s
63
44
36
June
28°C
20°C
29°C
41%
43%
1.8 m/s
31
60
8
July
30°C
22°C
32°C
40%
41%
1.6 m/s
9
49
1
August
29°C
21°C
32°C
40%
44%
1.4 m/s
14
56
2
September
27°C
18°C
28°C
38%
41%
1.5 m/s
39
58
17
October
22°C
12°C
21°C
38%
42%
1.7 m/s
65
26
56
November
15°C
6°C
12°C
38%
44%
1.9 m/s
36
3
66
December
10°C
4°C
7°C
43%
57%
2.1 m/s
14
0
47
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 Signal Mountain weather by season
Year round, Signal Mountain has days of about 7°C at their warmest in January, its coolest month, and 30°C in July, its warmest; the coolest hours of the day run from 2°C to 22°C through the year, and the average temperature over the year is 16°C around the clock. Rain is most likely around February and least likely around September. 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.
Signal Mountain weather in winterDecember to February
High 10°CLow 4°CRain 43%
Winter in Signal Mountain has typical daily highs of about 10°C and lows of about 4°C, with a 43% chance of rain on a given day.
Signal Mountain weather in springMarch to May
High 20°CLow 11°CRain 40%
Spring in Signal Mountain has typical daily highs of about 20°C and lows of about 11°C, with a 40% chance of rain on a given day.
Signal Mountain weather in summerJune to August
High 29°CLow 21°CRain 40%
Summer in Signal Mountain has typical daily highs of about 29°C and lows of about 21°C, with a 40% chance of rain on a given day.
Signal Mountain weather in autumnSeptember to November
High 21°CLow 12°CRain 38%
Autumn in Signal Mountain has typical daily highs of about 21°C and lows of about 12°C, with a 38% chance of rain on a given day.
When is the rainy season in Signal Mountain?
Signal Mountain has no sharply defined rainy season: the chance of rain on a given day runs from 38% in September, the driest month, to 45% in February, the wettest.
What time of year is Signal Mountain windiest?
Winds in Signal Mountain are highest in March, averaging 2.7 m/s (10 km/h), and lightest in August, at 1.4 m/s (5 km/h). The prevailing wind is from the W.
What is the average temperature in Signal Mountain year round?
The average temperature in Signal Mountain over the whole year is 16°C. July is the hottest month, with highs of about 30°C; January is the coldest, with lows of about 2°C.