Climate and monthly weather forecastSun Valley, TN
Climate and monthly weather forecast
Weather in January
January, the same as December, in Sun Valley, Tennessee, is another chilly winter month, with temperature in the range of an average low of 29.3°F (-1.5°C) and an average high of 43.5°F (6.4°C). In Sun Valley, the month of January is known for its lowest average temperatures, reaching a high of 43.5°F (6.4°C) and a low of 29.3°F (-1.5°C). Weather in January »Weather in February
February, the last month of the winter in Sun Valley, is another chilly month, with an average temperature ranging between min 33.3°F (0.7°C) and max 48.7°F (9.3°C). The initiation of February records an average high-temperature of a still frosty 48.7°F (9.3°C), displaying a near consistency with the previous month. Weather in February »Weather in March
The first month of the spring, March, is a refreshing month in Sun Valley, Tennessee, with an average temperature ranging between min 40.1°F (4.5°C) and max 57.4°F (14.1°C). March comes with a subtle rise, with the average high-temperature adjusting from a chilly 48.7°F (9.3°C) in February to a moderate 57.4°F (14.1°C). Weather in March »Weather in April
April in Sun Valley, Tennessee, is an agreeable spring month, with temperature in the range of an average high of 68.4°F (20.2°C) and an average low of 48.4°F (9.1°C). April brings a rise in Sun Valley's average high-temperature, moving from a mild 57.4°F (14.1°C) in March to a pleasant 68.4°F (20.2°C). Weather in April »Weather in May
May, the last month of the spring in Sun Valley, is a warm month, with an average temperature varying between 76.6°F (24.8°C) and 56.3°F (13.5°C). The onset of May marks a slight increase in the average high-temperature, moving from an agreeable 68.4°F (20.2°C) in April to a warm 76.6°F (24.8°C). Weather in May »Weather in June
June, the first month of the summer in Sun Valley, is still a warm month, with an average temperature varying between 84.7°F (29.3°C) and 62.4°F (16.9°C). The shift into June is accompanied by a modest temperature increase, with the average high-temperature edging up from a moderately hot 76.6°F (24.8°C) in May to a still warm 84.7°F (29.3°C). Weather in June »Weather in July
July in Sun Valley, Tennessee, is a tropical summer month, with an average temperature fluctuating between 86.5°F (30.3°C) and 65.5°F (18.6°C). In Sun Valley, the peak temperatures are generally noted in July, averaging a high of 86.5°F (30.3°C) and a low of 65.5°F (18.6°C). July's heat index is evaluated at a very hot 100.4°F (38°C). Weather in July »Weather in August
August, the last month of the summer in Sun Valley, is also a hot month, with temperature in the range of an average low of 64.4°F (18°C) and an average high of 86.2°F (30.1°C). Sun Valley's shift from July to August is accompanied by an average high-temperature of a still tropical 86.2°F (30.1°C), a slight deviation from 86.5°F (30.3°C). Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Sun Valley, Tennessee, with an average temperature varying between 59.7°F (15.4°C) and 80.1°F (26.7°C). During the shift to September, Sun Valley records a mild decrease in average high-temperature, moving from a tropical 86.2°F (30.1°C) in August to a warm 80.1°F (26.7°C). Weather in September »Weather in October
October, the same as September, in Sun Valley, Tennessee, is an agreeable autumn month, with an average temperature varying between 48.7°F (9.3°C) and 68.5°F (20.3°C). October comes with a decrease in the average high-temperature, falling from a warm 80.1°F (26.7°C) in September to an agreeable 68.5°F (20.3°C). Weather in October »Weather in November
The last month of the autumn, November, is another mild month in Sun Valley, Tennessee, with an average temperature varying between 56.3°F (13.5°C) and 39°F (3.9°C). Welcoming November, Sun Valley observes a shift in the average high-temperature, falling from October's agreeable 68.5°F (20.3°C) to a mild 56.3°F (13.5°C). Weather in November »Weather in December
The first month of the winter, December, is still a chilly month in Sun Valley, Tennessee, with an average temperature ranging between min 34.7°F (1.5°C) and max 48.2°F (9°C). The arrival of December suggests a slight decrease in the average high-temperature, moving from a moderate 56.3°F (13.5°C) in November to a frosty 48.2°F (9°C). Weather in December »Updated: Jun 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Sun Valley's coldest month, January, registers temperatures that range from a high of 43.5°F (6.4°C) to a low of 29.3°F (-1.5°C).
In Sun Valley, Tennessee, during the entire year, the rain falls for 173.9 days and collects up to 38.31" (973mm) of precipitation.
Months with snowfall are January through April, November and December.
In Sun Valley, during the entire year, snow falls for 13.7 days and aggregates up to 2.99" (76mm) of snow.
The months with the lowest UV index are January, February and December, with an average maximum UV index of 2.
The months with the highest humidity are February, March and December, with an average relative humidity of 79%.
The month with the most rainfall is February, when the rain falls for 13.8 days and typically aggregates up to 4.09" (104mm) of precipitation.
February is the month with the most snowfall. Snow falls for 3.4 days and accumulates 1.02" (26mm) of snow.
With an average of 4.4h of sunshine, February has the least sunshine of the year.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.
In Sun Valley, snow does not fall in May through October.
May through August, with an average maximum UV index of 6, are months with the highest UV index in Sun Valley.
The month with the longest days is June, with an average of 14h and 36min of daylight.
June has the most sunshine of the year, with an average of 10.6h of sunshine.
With an average high-temperature of 86.5°F (30.3°C) and an average low-temperature of 65.5°F (18.6°C), July is the warmest month.
The month with the least rainfall is September, when the rain falls for 12 days and typically collects 2.01" (51mm) of precipitation.
November is the least humid month in Sun Valley, with an average relative humidity of 75%.
The month with the shortest days is December, with an average of 9h and 42min of daylight.
Average temperature
Sun Valley, TN
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (43.5°F).
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (29.3°F).
Average pressure
Sun Valley, TN
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.97"Hg
- Average pressure in July:
30"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:
30.14"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed
Sun Valley, TN
- Average wind speed in January:
7.1mph - Average wind speed in February:
7.5mph - Average wind speed in March:
7.2mph - Average wind speed in April:
7.2mph - Average wind speed in May:
5.8mph - Average wind speed in June:
5mph
- Average wind speed in July:
4.3mph - Average wind speed in August:
4.3mph - Average wind speed in September:
4.5mph - Average wind speed in October:
5.7mph - Average wind speed in November:
6.1mph - Average wind speed in December:
6.8mph
The windiest month (with the highest average wind speed) is February (7.5mph).
The calmest months (with the lowest average wind speed) are July and August (4.3mph).
Average humidity
Sun Valley, TN
The months with the highest relative humidity are February, March and December (79%).
The month with the lowest relative humidity is November (75%).
Average rainfall
Sun Valley, TN
- Average rainfall in January:
3.07" - Average rainfall in February:
4.09" - Average rainfall in March:
3.07" - Average rainfall in April:
4.02" - Average rainfall in May:
3.35" - Average rainfall in June:
3.39"
- Average rainfall in July:
3.58" - Average rainfall in August:
3.07" - Average rainfall in September:
2.01" - Average rainfall in October:
2.91" - Average rainfall in November:
2.64" - Average rainfall in December:
3.11"
The wettest month (with the highest rainfall) is February (4.09").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days
Sun Valley, TN
- Average rainfall days in January:
13.8 days - Average rainfall days in February:
13.8 days - Average rainfall days in March:
15.6 days - Average rainfall days in April:
14.8 days - Average rainfall days in May:
16.9 days - Average rainfall days in June:
16.1 days
- Average rainfall days in July:
18.1 days - Average rainfall days in August:
16.9 days - Average rainfall days in September:
12 days - Average rainfall days in October:
11.5 days - Average rainfall days in November:
10.8 days - Average rainfall days in December:
13.6 days
The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is November (10.8 days).
Average snowfall
Sun Valley, TN
The month with the highest snowfall is February (1.02").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Sun Valley, TN
- Average snowfall days in January:
4.6 days - Average snowfall days in February:
3.4 days - Average snowfall days in March:
1.8 days - Average snowfall days in April:
0.1 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:
2.6 days
The month with the highest number of snowfall days is January (4.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Sun Valley, TN
- Average daylight in January:
10h and 0min - Average daylight in February:
10h and 54min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 6min - Average daylight in May:
14h and 6min - Average daylight in June:
14h and 36min
- Average daylight in July:
14h and 18min - Average daylight in August:
13h and 30min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 18min - Average daylight in November:
10h and 18min - Average daylight in December:
9h and 42min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in January:
4h and 36min - Average sunshine in February:
4h and 24min - Average sunshine in March:
5h and 42min - Average sunshine in April:
9h and 6min - Average sunshine in May:
9h and 30min - Average sunshine in June:
10h and 36min
- Average sunshine in July:
10h and 12min - Average sunshine in August:
10h and 18min - Average sunshine in September:
8h and 24min - Average sunshine in October:
7h and 12min - Average sunshine in November:
5h and 48min - Average sunshine in December:
4h and 42min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days
Sun Valley, TN
- Average sunshine days in January:
13.8 days - Average sunshine days in February:
11.3 days - Average sunshine days in March:
12.5 days - Average sunshine days in April:
13.7 days - Average sunshine days in May:
11.9 days - Average sunshine days in June:
12.1 days
- Average sunshine days in July:
11.3 days - Average sunshine days in August:
11.8 days - Average sunshine days in September:
16 days - Average sunshine days in October:
18.2 days - Average sunshine days in November:
17.5 days - Average sunshine days in December:
15.2 days
The month with the most sunshine days is October (18.2 days).
The months with the least sunshine days are February and July (11.3 days).
Average UV index
Sun Valley, 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
Sun Valley, TN
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility
Sun Valley, TN
The months with the highest visibility are February, March, April, June, October, November and December (6mi).
The months with the lowest visibility are January, May, July, August and September (5mi).
