Climate and monthly weather forecastWilliston, TN
Climate and monthly weather forecast
Weather in January
January, like December, is a frosty winter month in Williston, Tennessee, with temperature in the range of an average high of 46.4°F (8°C) and an average low of 32.7°F (0.4°C). Temperature records mark January as the coldest month, with highs averaging 46.4°F (8°C) and lows at 32.7°F (0.4°C). Weather in January »Weather in February
The last month of the winter, February, is a fresh month in Williston, Tennessee, with an average temperature fluctuating between 51.4°F (10.8°C) and 36.9°F (2.7°C). As February unfolds, the average high-temperature reaches a cool 51.4°F (10.8°C), hinting at a slight fluctuation from the previous month. Weather in February »Weather in March
The first month of the spring, March, is a moderate month in Williston, Tennessee, with temperature in the range of an average high of 59.7°F (15.4°C) and an average low of 44.1°F (6.7°C). March brings a slight increase in the average high-temperature, progressing from a fresh 51.4°F (10.8°C) in February to a refreshing 59.7°F (15.4°C). Weather in March »Weather in April
April is a pleasant spring month in Williston, Tennessee, with an average temperature ranging between min 52.2°F (11.2°C) and max 69.8°F (21°C). As Williston transitions into April, the average high-temperature is observed to rise from a moderate 59.7°F (15.4°C) in March to a pleasant 69.8°F (21°C). Weather in April »Weather in May
May, the last month of the spring in Williston, is a moderately hot month, with an average temperature fluctuating between 78.1°F (25.6°C) and 61.2°F (16.2°C). May introduces a minor temperature shift, with average high-temperatures adjusting from April's agreeable 69.8°F (21°C) to a moderately hot 78.1°F (25.6°C). Weather in May »Weather in June
The first month of the summer, June, is a hot month in Williston, Tennessee, with temperature in the range of an average high of 86.2°F (30.1°C) and an average low of 68.5°F (20.3°C). June signifies a subtle uplift in the average high-temperature, adjusting from a moderately hot 78.1°F (25.6°C) in May to a tropical 86.2°F (30.1°C). Weather in June »Weather in July
July, like June, is another hot summer month in Williston, Tennessee, with temperature in the range of an average high of 88°F (31.1°C) and an average low of 70.5°F (21.4°C). The temperatures reach their highest averages in July, with highs of 88°F (31.1°C) and lows of 70.5°F (21.4°C). In July, the heat index is evaluated at an extremely hot 105.8°F (41°C). Weather in July »Weather in August
The last month of the summer, August, is another hot month in Williston, Tennessee, with temperature in the range of an average low of 69.4°F (20.8°C) and an average high of 87.6°F (30.9°C). The shift into August uncovers an average high-temperature of a still hot 87.6°F (30.9°C), subtly different from the previous month. Weather in August »Weather in September
September, the first month of the autumn in Williston, is also a moderately hot month, with an average temperature varying between 83.3°F (28.5°C) and 64°F (17.8°C). At the start of September, Williston's average high-temperature reaches a moderately hot 83.3°F (28.5°C), subtly different from the preceding month. Weather in September »Weather in October
October, like September, is another pleasant autumn month in Williston, Tennessee, with an average temperature varying between 52.3°F (11.3°C) and 71.4°F (21.9°C). Transition from September to October is accompanied by a temperature drop, with average high-temperatures decreasing from a moderately hot 83.3°F (28.5°C) to a pleasant 71.4°F (21.9°C). Weather in October »Weather in November
The last month of the autumn, November, is another mild month in Williston, Tennessee, with an average temperature ranging between min 42.6°F (5.9°C) and max 58.6°F (14.8°C). In November, the average high-temperature goes from a pleasant 71.4°F (21.9°C) in October to a mild 58.6°F (14.8°C). Weather in November »Weather in December
The first month of the winter, December, is still a cool month in Williston, Tennessee, with an average temperature ranging between max 50.4°F (10.2°C) and min 37.6°F (3.1°C). December ushers in a minute temperature change, with average high-temperatures reducing from November's moderate 58.6°F (14.8°C) to a fresh 50.4°F (10.2°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Williston, TN
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (46.4°F).
The month with the highest average low temperature is July (70.5°F).
The coldest month (with the lowest average low temperature) is January (32.7°F).
Average pressure
Williston, TN
- Average pressure in January:
30.17"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.97"Hg - Average pressure in May:
29.98"Hg - Average pressure in June:
29.95"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
30.01"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.15"Hg - Average pressure in December:
30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed
Williston, TN
- Average wind speed in January:
8.9mph - Average wind speed in February:
9.1mph - Average wind speed in March:
8.7mph - Average wind speed in April:
8.7mph - Average wind speed in May:
7mph - Average wind speed in June:
5.8mph
- Average wind speed in July:
5.2mph - Average wind speed in August:
5.3mph - Average wind speed in September:
5.8mph - Average wind speed in October:
7.1mph - Average wind speed in November:
7.9mph - Average wind speed in December:
8.2mph
The windiest month (with the highest average wind speed) is February (9.1mph).
The calmest month (with the lowest average wind speed) is July (5.2mph).
Average humidity
Williston, TN
The month with the highest relative humidity is March (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Williston, TN
- Average rainfall in January:
0.87" - Average rainfall in February:
1.69" - Average rainfall in March:
1.34" - Average rainfall in April:
1.5" - Average rainfall in May:
1.65" - Average rainfall in June:
1.61"
- Average rainfall in July:
1.89" - Average rainfall in August:
1.65" - Average rainfall in September:
0.75" - Average rainfall in October:
1.14" - Average rainfall in November:
0.75" - Average rainfall in December:
1.42"
The wettest month (with the highest rainfall) is July (1.89").
The driest months (with the least rainfall) are September and November (0.75").
Average rainfall days
Williston, TN
- Average rainfall days in January:
8.4 days - Average rainfall days in February:
9.8 days - Average rainfall days in March:
12.3 days - Average rainfall days in April:
10.8 days - Average rainfall days in May:
13.8 days - Average rainfall days in June:
12.8 days
- Average rainfall days in July:
14.9 days - Average rainfall days in August:
13.8 days - Average rainfall days in September:
10.8 days - Average rainfall days in October:
8 days - Average rainfall days in November:
7.5 days - Average rainfall days in December:
9.6 days
The month with the highest number of rainy days is July (14.9 days).
The month with the least rainy days is November (7.5 days).
Average snowfall
Williston, TN
The month with the highest snowfall is February (0.39").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Williston, TN
- Average snowfall days in January:
1.3 days - Average snowfall days in February:
1.6 days - Average snowfall days in March:
0.7 days - Average snowfall days in April:
0 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 days - Average snowfall days in November:
0.6 days - Average snowfall days in December:
0.7 days
The month with the highest number of snowfall days is February (1.6 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Williston, 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 0min - Average daylight in June:
14h and 30min
- Average daylight in July:
14h and 18min - Average daylight in August:
13h and 24min - 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 0min - Average sunshine in February:
4h and 42min - Average sunshine in March:
6h and 30min - Average sunshine in April:
9h and 12min - Average sunshine in May:
9h and 42min - Average sunshine in June:
10h and 42min
- Average sunshine in July:
10h and 36min - Average sunshine in August:
10h and 24min - Average sunshine in September:
9h and 36min - Average sunshine in October:
6h and 48min - Average sunshine in November:
5h and 48min - Average sunshine in December:
4h and 54min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days
Williston, TN
- Average sunshine days in January:
20.2 days - Average sunshine days in February:
15.5 days - Average sunshine days in March:
15.6 days - Average sunshine days in April:
17 days - Average sunshine days in May:
14 days - Average sunshine days in June:
13.8 days
- Average sunshine days in July:
12.4 days - Average sunshine days in August:
13.2 days - Average sunshine days in September:
16.8 days - Average sunshine days in October:
21.6 days - Average sunshine days in November:
20.5 days - Average sunshine days in December:
20.3 days
The month with the most sunshine days is October (21.6 days).
The month with the least sunshine days is July (12.4 days).
Average UV index
Williston, TN
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover
Williston, TN
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is June (Cloud cover 26).
Average visibility
Williston, 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).





