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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, like December, is another chilly winter month in Signal Mountain, Tennessee, with an average temperature varying between 45.1°F (7.3°C) and 30.6°F (-0.8°C). January, with its average high-temperature of 45.1°F (7.3°C) and an average low-temperature of 30.6°F (-0.8°C), holds the record as the coldest month. Weather in January »
Weather in February
The last month of the winter, February, is a fresh month in Signal Mountain, Tennessee, with an average temperature varying between 50.4°F (10.2°C) and 34.9°F (1.6°C). February's average high-temperature stands at a fresh 50.4°F (10.2°C), showing little deviation from January's 45.1°F (7.3°C). Weather in February »
Weather in March
March, the first month of the spring in Signal Mountain, is a mild month, with an average temperature fluctuating between 58.5°F (14.7°C) and 41.4°F (5.2°C). A subtle rise in the average high-temperature is observed during March, adjusting from a fresh 50.4°F (10.2°C) in February to a mild 58.5°F (14.7°C). Weather in March »
Weather in April
April is a pleasant spring month in Signal Mountain, Tennessee, with an average temperature varying between 68.9°F (20.5°C) and 49.1°F (9.5°C). With the onset of April, the average high-temperature slightly shifts from March's moderate 58.5°F (14.7°C) to an agreeable 68.9°F (20.5°C). Weather in April »
Weather in May
The last month of the spring, May, is a moderately hot month in Signal Mountain, Tennessee, with temperature in the range of an average low of 56.8°F (13.8°C) and an average high of 77°F (25°C). The start of May brings a subtle rise in the average high-temperature, moving from a pleasant 68.9°F (20.5°C) in April to a warm 77°F (25°C). Weather in May »
Weather in June
June, the first month of the summer in Signal Mountain, is also a moderately hot month, with an average temperature varying between 63.9°F (17.7°C) and 84.7°F (29.3°C). The arrival of June brings a soft temperature shift, with the average high-temperature nudging from a moderately hot 77°F (25°C) in May to a still warm 84.7°F (29.3°C). Weather in June »
Weather in July
July in Signal Mountain, Tennessee, is a hot summer month, with an average temperature varying between 87.1°F (30.6°C) and 66.6°F (19.2°C). The warmest time of the year is July, with temperatures averaging a high of 87.1°F (30.6°C) and a low of 66.6°F (19.2°C). In July, the heat index is calculated to be a fiery hot 100.4°F (38°C). Weather in July »
Weather in August
The last month of the summer, August, is another hot month in Signal Mountain, Tennessee, with an average temperature varying between 86.5°F (30.3°C) and 65.8°F (18.8°C). Entering August, Signal Mountain's average high-temperature reads a still tropical 86.5°F (30.3°C), indicating a close resemblance to the previous month's climate. Weather in August »
Weather in September
September, the first month of the autumn in Signal Mountain, is also a moderately hot month, with an average temperature varying between 80.8°F (27.1°C) and 60.4°F (15.8°C). The shift from August to September includes a small decrease in the average high-temperature, from a tropical 86.5°F (30.3°C) to a moderately hot 80.8°F (27.1°C). Weather in September »
Weather in October
October, like September, is another pleasant autumn month in Signal Mountain, Tennessee, with an average temperature varying between 69.1°F (20.6°C) and 49.3°F (9.6°C). In the transition to October, Signal Mountain observes a drop in the average high-temperature, moving from a warm 80.8°F (27.1°C) in September to an agreeable 69.1°F (20.6°C). Weather in October »
Weather in November
The last month of the autumn, November, is another refreshing month in Signal Mountain, Tennessee, with temperature in the range of an average high of 57°F (13.9°C) and an average low of 39.4°F (4.1°C). As November begins, there is a decrease in the average high-temperature, falling from a pleasant 69.1°F (20.6°C) in October to a moderate 57°F (13.9°C). Weather in November »
Weather in December
The first month of the winter, December, is also a frosty month in Signal Mountain, Tennessee, with an average temperature varying between 49.3°F (9.6°C) and 35.8°F (2.1°C). The arrival of December corresponds with a light shift in temperature, down from a refreshing 57°F (13.9°C) in November to a frosty 49.3°F (9.6°C). Weather in December »
[Resources]Frequently asked questions
What is the coldest time of year in Signal Mountain?
Signal Mountain witnesses the coldest weather in January, with temperatures averaging a high of 45.1°F (7.3°C) and a low of 30.6°F (-0.8°C).
How many days does it rain in Signal Mountain?
Throughout the year, in Signal Mountain, Tennessee, there are 187.2 rainfall days, and 44.09" (1120mm) of precipitation is accumulated.
When does it snow in Signal Mountain?
January through April, November and December are months with snowfall in Signal Mountain.
How many days does it snow in Signal Mountain?
In Signal Mountain, Tennessee, during the entire year, snow falls for 17.1 days and aggregates up to 5.08" (129mm) of snow.
When is the lowest UV index in Signal Mountain?
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Signal Mountain.
What is the snowiest month in Signal Mountain?
February is the month with the most snowfall in Signal Mountain, Tennessee. Snow falls for 5.1 days and accumulates 2.01" (51mm) of snow.
When is Daylight Saving Time (DST) in Signal Mountain?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Signal Mountain, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
When it does not snow in Signal Mountain?
May through October are months without snowfall in Signal Mountain, Tennessee.
What is the month with the highest UV index in Signal Mountain?
May through August, with an average maximum UV index of 6, are months with the highest UV index in Signal Mountain, Tennessee.
What are the least humid months in Signal Mountain?
June through November, with an average relative humidity of 76%, are the least humid months.
When are the longest days in Signal Mountain?
June has the longest days of the year in Signal Mountain, Tennessee, with an average of 14h and 30min of daylight.
What month has the most sunshine in Signal Mountain?
June has the most sunshine of the year in Signal Mountain, Tennessee, with an average of 10.3h of sunshine.
What time of the year is the hottest in Signal Mountain?
July is the month when Signal Mountain, Tennessee, sees the average highest temperatures, with a high of 87.1°F (30.6°C) and a low of 66.6°F (19.2°C).
What is the driest month in Signal Mountain?
September is the month with the least rainfall. Rain falls for 13.5 days and accumulates 2.76" (70mm) of precipitation.
What is the most humid month in Signal Mountain?
With an average relative humidity of 81%, December is the most humid month.
What is the rainiest month in Signal Mountain?
The month with the most rainfall in Signal Mountain is December, when the rain falls for 14.5 days and typically aggregates up to 4.53" (115mm) of precipitation.
What is the month with the shortest days in Signal Mountain?
The month with the shortest days in Signal Mountain, Tennessee, is December, with an average of 9h and 48min of daylight.
What is the month with the least sunshine in Signal Mountain?
The month with the least sunshine in Signal Mountain is December, with an average of 4.9h of sunshine.
Average temperature
Signal Mountain, TN
The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (45.1°F).
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure
Signal Mountain, TN
- Average pressure in January:
30.17"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.1"Hg - Average pressure in April:
30.01"Hg - Average pressure in May:
30.02"Hg - Average pressure in June:
29.98"Hg
- Average pressure in July:
30.01"Hg - Average pressure in August:
30"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.06"Hg - Average pressure in November:
30.16"Hg - Average pressure in December:
30.15"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed
Signal Mountain, TN
- Average wind speed in January:
6.2mph - Average wind speed in February:
6.5mph - Average wind speed in March:
6.4mph - Average wind speed in April:
6.4mph - Average wind speed in May:
5.1mph - Average wind speed in June:
4.4mph
- Average wind speed in July:
3.9mph - Average wind speed in August:
3.8mph - Average wind speed in September:
4.1mph - Average wind speed in October:
5.1mph - Average wind speed in November:
5.5mph - Average wind speed in December:
5.8mph
The windiest month (with the highest average wind speed) is February (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).
Average humidity
Signal Mountain, TN
The month with the highest relative humidity is December (81%).
The months with the lowest relative humidity are June, July, August, September, October and November (76%).
Average rainfall
Signal Mountain, TN
- Average rainfall in January:
3.66" - Average rainfall in February:
4.29" - Average rainfall in March:
3.94" - Average rainfall in April:
4.09" - Average rainfall in May:
3.7" - Average rainfall in June:
3.19"
- Average rainfall in July:
4.33" - Average rainfall in August:
3.74" - Average rainfall in September:
2.76" - Average rainfall in October:
3.03" - Average rainfall in November:
2.83" - Average rainfall in December:
4.53"
The wettest month (with the highest rainfall) is December (4.53").
The driest month (with the least rainfall) is September (2.76").
Average rainfall days
Signal Mountain, TN
- Average rainfall days in January:
13.8 days - Average rainfall days in February:
15 days - Average rainfall days in March:
16.3 days - Average rainfall days in April:
15.6 days - Average rainfall days in May:
17.2 days - Average rainfall days in June:
18.9 days
- Average rainfall days in July:
21.3 days - Average rainfall days in August:
19.2 days - Average rainfall days in September:
13.5 days - Average rainfall days in October:
11.4 days - Average rainfall days in November:
10.5 days - Average rainfall days in December:
14.5 days
The month with the highest number of rainy days is July (21.3 days).
The month with the least rainy days is November (10.5 days).
Average snowfall
Signal Mountain, TN
The month with the highest snowfall is February (2.01").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Signal Mountain, TN
- Average snowfall days in January:
5.2 days - Average snowfall days in February:
5.1 days - Average snowfall days in March:
2.2 days - Average snowfall days in April:
0.4 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.1 days - Average snowfall days in November:
1.1 days - Average snowfall days in December:
3 days
The month with the highest number of snowfall days is January (5.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Signal Mountain, TN
- Average daylight in January:
10h and 1min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 0min - Average daylight in June:
14h and 3min
- Average daylight in July:
14h and 1min - Average daylight in August:
13h and 2min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 2min - Average daylight in November:
10h and 2min - Average daylight in December:
9h and 5min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in January:
5h and 2min - Average sunshine in February:
6h and 0min - Average sunshine in March:
6h and 4min - Average sunshine in April:
8h and 1min - Average sunshine in May:
9h and 3min - Average sunshine in June:
10h and 2min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
9h and 2min - Average sunshine in September:
8h and 2min - Average sunshine in October:
7h and 1min - Average sunshine in November:
5h and 5min - Average sunshine in December:
4h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days
Signal Mountain, TN
- Average sunshine days in January:
14.8 days - Average sunshine days in February:
10.8 days - Average sunshine days in March:
11.4 days - Average sunshine days in April:
12.7 days - Average sunshine days in May:
11.7 days - Average sunshine days in June:
9.5 days
- Average sunshine days in July:
7.7 days - Average sunshine days in August:
10.1 days - Average sunshine days in September:
13.9 days - Average sunshine days in October:
18.5 days - Average sunshine days in November:
17.6 days - Average sunshine days in December:
14.8 days
The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is July (7.7 days).
Average UV index
Signal Mountain, TN
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover
Signal Mountain, TN
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility
Signal Mountain, TN
The months with the highest visibility are June, October and November (6mi).
The months with the lowest visibility are January, February, March, April, May, July, August, September and December (5mi).
Signal Mountain, Tennessee, USA
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