Climate and monthly weather forecastWilliamsport, TN
Climate and monthly weather forecast
Weather in January
January, like December, is another chilly winter month in Williamsport, Tennessee, with temperature in the range of an average high of 45.3°F (7.4°C) and an average low of 30.9°F (-0.6°C). January brings the lowest temperatures, with an average high of 45.3°F (7.4°C) and an average low of 30.9°F (-0.6°C). Weather in January »Weather in February
The last month of the winter, February, is a fresh month in Williamsport, Tennessee, with an average temperature fluctuating between 35.1°F (1.7°C) and 50.2°F (10.1°C). The advent of February brings an average high-temperature of a cool 50.2°F (10.1°C), exhibiting minor difference from the previous month. Weather in February »Weather in March
The first month of the spring, March, is a moderate month in Williamsport, Tennessee, with an average temperature fluctuating between 42.1°F (5.6°C) and 59.2°F (15.1°C). Observing a rise in March, the average high-temperature goes from February's cool 50.2°F (10.1°C) to a moderate 59.2°F (15.1°C). Weather in March »Weather in April
April in Williamsport, Tennessee, is a pleasant spring month, with an average temperature varying between 49.8°F (9.9°C) and 68.9°F (20.5°C). Williamsport's transition into April sees a rise in the average high-temperature, advancing from a refreshing 59.2°F (15.1°C) in March 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 Williamsport, Tennessee, with an average temperature varying between 77.5°F (25.3°C) and 58.5°F (14.7°C). Williamsport in May experiences a slight uptick in the average high-temperature, adjusting from April's pleasant 68.9°F (20.5°C) to a moderately hot 77.5°F (25.3°C). Weather in May »Weather in June
June, the first month of the summer in Williamsport, is also a moderately hot month, with an average temperature fluctuating between 85.6°F (29.8°C) and 65.5°F (18.6°C). June introduces a minor temperature shift, with average high-temperatures adjusting from May's moderately hot 77.5°F (25.3°C) to a still warm 85.6°F (29.8°C). Weather in June »Weather in July
July in Williamsport, Tennessee, is a tropical summer month, with an average temperature ranging between min 68.5°F (20.3°C) and max 87.4°F (30.8°C). July, having an average high-temperature of 87.4°F (30.8°C) and an average low-temperature of 68.5°F (20.3°C), is the warmest month. The heat index value for July is computed to be a scorching 104°F (40°C). Weather in July »Weather in August
August, the last month of the summer in Williamsport, is also a hot month, with temperature in the range of an average high of 86.5°F (30.3°C) and an average low of 67.3°F (19.6°C). The onset of August marks an average high-temperature of a still hot 86.5°F (30.3°C), hardly differing from July's 87.4°F (30.8°C). Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Williamsport, Tennessee, with temperature in the range of an average low of 61.7°F (16.5°C) and an average high of 81.3°F (27.4°C). As Williamsport welcomes September, the average high-temperature records at a warm 81.3°F (27.4°C), marking an insignificant deviation from the prior month. Weather in September »Weather in October
October, like September, is an agreeable autumn month in Williamsport, Tennessee, with an average temperature ranging between max 69.8°F (21°C) and min 50.4°F (10.2°C). October's onset brings a reduction in the average high-temperature, from a warm 81.3°F (27.4°C) in September to a pleasant 69.8°F (21°C). Weather in October »Weather in November
The last month of the autumn, November, is another mild month in Williamsport, Tennessee, with an average temperature ranging between max 57.4°F (14.1°C) and min 40.6°F (4.8°C). November's arrival corresponds with a decrease in average high-temperatures, from October's pleasant 69.8°F (21°C) to a mild 57.4°F (14.1°C). Weather in November »Weather in December
The first month of the winter, December, is also a frosty month in Williamsport, Tennessee, with an average temperature varying between 49.6°F (9.8°C) and 35.8°F (2.1°C). The onset of December brings a small shift in high-temperatures, falling from a refreshing 57.4°F (14.1°C) in November to a chilly 49.6°F (9.8°C). Weather in December »Updated: Jul 22, 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
January, recording an average high temperature of 45.3°F (7.4°C) and a low temperature of 30.9°F (-0.6°C), is Williamsport's coldest month.
In Williamsport, Tennessee, during the entire year, the rain falls for 172.4 days and collects up to 38.43" (976mm) of precipitation.
Months with snowfall in Williamsport are January through April, November and December.
Throughout the year, there are 8.9 snowfall days, and 2.8" (71mm) of snow is accumulated.
January and February, with an average of 4.6h of sunshine, are months with the least sunshine.
The months with the most rainfall are February and July, with an average 4.06" (103mm) of precipitation.
February is the month with the most snowfall. Snow falls for 2.8 days and accumulates 1.06" (27mm) of snow.
The months with the highest humidity are March and December, with an average relative humidity of 79%.
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 Williamsport, snow does not fall in May through October.
The months with the highest UV index are May through August, with an average maximum UV index of 6.
With an average of 14h and 30min of daylight, June has the longest days of the year.
The month with the most sunshine in Williamsport is June, with an average of 10.3h of sunshine.
Williamsport's warmest month, July, generally records average temperatures ranging from a high of 87.4°F (30.8°C) to a low of 68.5°F (20.3°C).
September is the month with the least rainfall. Rain falls for 13.8 days and accumulates 2.36" (60mm) of precipitation.
With an average relative humidity of 74%, October is the least humid month.
December has the shortest days of the year, with an average of 9h and 48min of daylight.
The month with the lowest UV index is December, with an average maximum UV index of 2.
Average temperature
Williamsport, TN
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (45.3°F).
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (30.9°F).
Average pressure
Williamsport, TN
- Average pressure in January:
30.17"Hg - Average pressure in February:
30.13"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
30"Hg - Average pressure in June:
29.97"Hg
- Average pressure in July:
30"Hg - Average pressure in August:
29.99"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 (29.97"Hg).
Average wind speed
Williamsport, TN
- Average wind speed in January:
8.3mph - Average wind speed in February:
8.5mph - Average wind speed in March:
8.1mph - Average wind speed in April:
8.1mph - Average wind speed in May:
6.3mph - Average wind speed in June:
5.3mph
- Average wind speed in July:
4.7mph - Average wind speed in August:
4.7mph - Average wind speed in September:
5.1mph - Average wind speed in October:
6.5mph - Average wind speed in November:
7.3mph - Average wind speed in December:
8mph
The windiest month (with the highest average wind speed) is February (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).
Average humidity
Williamsport, TN
The months with the highest relative humidity are March and December (79%).
The month with the lowest relative humidity is October (74%).
Average rainfall
Williamsport, TN
- Average rainfall in January:
3.15" - Average rainfall in February:
4.06" - Average rainfall in March:
2.76" - Average rainfall in April:
3.82" - Average rainfall in May:
2.99" - Average rainfall in June:
3.23"
The wettest months (with the highest rainfall) are February and July (4.06").
The driest month (with the least rainfall) is September (2.36").
Average rainfall days
Williamsport, TN
- Average rainfall days in January:
12.3 days - Average rainfall days in February:
12.8 days - Average rainfall days in March:
15.3 days - Average rainfall days in April:
13.8 days - Average rainfall days in May:
16.3 days - Average rainfall days in June:
16.8 days
- Average rainfall days in July:
19.6 days - Average rainfall days in August:
17.4 days - Average rainfall days in September:
13.8 days - Average rainfall days in October:
11.7 days - Average rainfall days in November:
9.9 days - Average rainfall days in December:
12.7 days
The month with the highest number of rainy days is July (19.6 days).
The month with the least rainy days is November (9.9 days).
Average snowfall
Williamsport, TN
The month with the highest snowfall is February (1.06").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Williamsport, TN
- Average snowfall days in January:
2.8 days - Average snowfall days in February:
2.8 days - Average snowfall days in March:
0.9 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:
0.5 days - Average snowfall days in December:
1.4 days
The months with the highest number of snowfall days are January and February (2.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Williamsport, 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:
4h and 36min - Average sunshine in February:
4h and 36min - Average sunshine in March:
5h and 54min - Average sunshine in April:
8h and 48min - Average sunshine in May:
9h and 18min - Average sunshine in June:
10h and 18min
- Average sunshine in July:
10h and 6min - Average sunshine in August:
10h and 12min - Average sunshine in September:
8h and 30min - Average sunshine in October:
6h and 48min - Average sunshine in November:
5h and 42min - Average sunshine in December:
4h and 42min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).
Average sunshine days
Williamsport, TN
- Average sunshine days in January:
16.1 days - Average sunshine days in February:
12.4 days - Average sunshine days in March:
13.2 days - Average sunshine days in April:
14.6 days - Average sunshine days in May:
13.1 days - Average sunshine days in June:
10.9 days
- Average sunshine days in July:
9.9 days - Average sunshine days in August:
11.8 days - Average sunshine days in September:
14.5 days - Average sunshine days in October:
18.5 days - Average sunshine days in November:
18.4 days - Average sunshine days in December:
15.5 days
The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is July (9.9 days).
Average UV index
Williamsport, TN
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).
Average cloud cover
Williamsport, TN
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility
Williamsport, TN
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
