Climate and monthly weather forecastSweetwater, TN
Climate and monthly weather forecast
Weather in January
January, the same as December, in Sweetwater, Tennessee, is another chilly winter month, with an average temperature ranging between max 45.7°F (7.6°C) and min 30.6°F (-0.8°C). The coldest month is January, with an average high-temperature of 45.7°F (7.6°C) and an average low-temperature of 30.6°F (-0.8°C). Weather in January »Weather in February
The last month of the winter, February, is a cool month in Sweetwater, Tennessee, with temperature in the range of an average low of 34.2°F (1.2°C) and an average high of 50.7°F (10.4°C). With the advent of February, Sweetwater experiences an average high-temperature of a fresh 50.7°F (10.4°C), mirroring a close resemblance to the previous month. Weather in February »Weather in March
The first month of the spring, March, is a refreshing month in Sweetwater, Tennessee, with an average temperature ranging between min 41.2°F (5.1°C) and max 58.6°F (14.8°C). In Sweetwater, the average high-temperature in March slightly rises, from a fresh 50.7°F (10.4°C) in February, to a refreshing 58.6°F (14.8°C). Weather in March »Weather in April
April in Sweetwater, Tennessee, is a pleasant spring month, with an average temperature ranging between min 48.6°F (9.2°C) and max 69.3°F (20.7°C). The shift into April is characterized by a rise in the average high-temperature, transitioning from March's mild 58.6°F (14.8°C) to an agreeable 69.3°F (20.7°C). Weather in April »Weather in May
The last month of the spring, May, is a warm month in Sweetwater, Tennessee, with temperature in the range of an average high of 77.7°F (25.4°C) and an average low of 56.3°F (13.5°C). Sweetwater's weather shows a minor temperature rise with the arrival of May, moving from an agreeable 69.3°F (20.7°C) in April to a moderately hot 77.7°F (25.4°C). Weather in May »Weather in June
June, the first month of the summer in Sweetwater, is still a warm month, with temperature in the range of an average low of 63.1°F (17.3°C) and an average high of 84.7°F (29.3°C). June's arrival sees a mild rise in the average high-temperature, transitioning from May's warm 77.7°F (25.4°C) to a still moderately hot 84.7°F (29.3°C). Weather in June »Weather in July
July is a hot summer month in Sweetwater, Tennessee, with an average temperature ranging between max 87.3°F (30.7°C) and min 65.8°F (18.8°C). July, noted for its average high-temperature of 87.3°F (30.7°C) and an average low-temperature of 65.8°F (18.8°C), is considered the warmest month. The heat index in July is computed to be a sweltering 100.4°F (38°C). Weather in July »Weather in August
August, the last month of the summer in Sweetwater, is also a hot month, with an average temperature ranging between max 86.7°F (30.4°C) and min 64.8°F (18.2°C). The ushering in of August brings an average high-temperature of a still hot 86.7°F (30.4°C), closely mirroring the 87.3°F (30.7°C) of July. Weather in August »Weather in September
September, the first month of the autumn in Sweetwater, is also a moderately hot month, with an average temperature ranging between min 59.9°F (15.5°C) and max 81.1°F (27.3°C). September heralds a minor drop in average high-temperature, sliding from August's tropical 86.7°F (30.4°C) to a moderately hot 81.1°F (27.3°C). Weather in September »Weather in October
October, like September, is an agreeable autumn month in Sweetwater, Tennessee, with an average temperature fluctuating between 69.6°F (20.9°C) and 49.1°F (9.5°C). Sweetwater's weather changes with the onset of October, slightly falling from a moderately hot 81.1°F (27.3°C) in September to a pleasant 69.6°F (20.9°C). Weather in October »Weather in November
November, the last month of the autumn in Sweetwater, is also a moderate month, with temperature in the range of an average low of 39.6°F (4.2°C) and an average high of 57.9°F (14.4°C). The onset of November coincides with a reduction in the average high-temperature, falling from an agreeable 69.6°F (20.9°C) in October to a mild 57.9°F (14.4°C). Weather in November »Weather in December
The first month of the winter, December, is also a fresh month in Sweetwater, Tennessee, with temperature in the range of an average low of 36.1°F (2.3°C) and an average high of 50.2°F (10.1°C). As December begins, there is a minor decrease in the average high-temperature, softly falling from a refreshing 57.9°F (14.4°C) in November to a cool 50.2°F (10.1°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Sweetwater, TN
The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (45.7°F).
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure
Sweetwater, 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:
30"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:
30.01"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 months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed
Sweetwater, TN
- Average wind speed in January:
6.1mph - Average wind speed in February:
6.4mph - Average wind speed in March:
6.4mph - Average wind speed in April:
6.5mph - Average wind speed in May:
5.2mph - Average wind speed in June:
4.5mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest months (with the lowest average wind speed) are July and August (4mph).
Average humidity
Sweetwater, TN
The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is August (74%).
Average rainfall
Sweetwater, TN
- Average rainfall in January:
2.76" - Average rainfall in February:
3.9" - Average rainfall in March:
2.99" - Average rainfall in April:
3.31" - Average rainfall in May:
2.68" - Average rainfall in June:
3.15"
The wettest month (with the highest rainfall) is February (3.9").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days
Sweetwater, TN
- Average rainfall days in January:
12.2 days - Average rainfall days in February:
12.4 days - Average rainfall days in March:
15.1 days - Average rainfall days in April:
13.8 days - Average rainfall days in May:
15.8 days - Average rainfall days in June:
15.4 days
- Average rainfall days in July:
17.4 days - Average rainfall days in August:
15.1 days - Average rainfall days in September:
11.5 days - Average rainfall days in October:
9.6 days - Average rainfall days in November:
8.8 days - Average rainfall days in December:
12.3 days
The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is November (8.8 days).
Average snowfall
Sweetwater, TN
The month with the highest snowfall is January (1.1").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Sweetwater, TN
- Average snowfall days in January:
4.1 days - Average snowfall days in February:
3.3 days - Average snowfall days in March:
1.9 days - Average snowfall days in April:
0.3 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:
0.2 days - Average snowfall days in November:
0.7 days - Average snowfall days in December:
2.4 days
The month with the highest number of snowfall days is January (4.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Sweetwater, TN
- Average daylight in January:
10h and 6min - 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 30min
- 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 48min
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 6min - Average sunshine in February:
6h and 0min - Average sunshine in March:
6h and 42min - Average sunshine in April:
8h and 24min - Average sunshine in May:
10h and 6min - Average sunshine in June:
10h and 42min
- Average sunshine in July:
10h and 30min - Average sunshine in August:
9h and 54min - Average sunshine in September:
8h and 36min - Average sunshine in October:
7h and 12min - Average sunshine in November:
5h and 54min - Average sunshine in December:
5h and 6min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 6min).
Average sunshine days
Sweetwater, TN
- Average sunshine days in January:
15.8 days - Average sunshine days in February:
12.9 days - Average sunshine days in March:
13.3 days - Average sunshine days in April:
14 days - Average sunshine days in May:
13.2 days - Average sunshine days in June:
12.2 days
- Average sunshine days in July:
11.6 days - Average sunshine days in August:
14 days - Average sunshine days in September:
16.8 days - Average sunshine days in October:
19.6 days - Average sunshine days in November:
19.3 days - Average sunshine days in December:
16.8 days
The month with the most sunshine days is October (19.6 days).
The month with the least sunshine days is July (11.6 days).
Average UV index
Sweetwater, 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
Sweetwater, TN
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility
Sweetwater, TN
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





