Climate and monthly weather forecast
Williamsport, TN

Weather in January

January, the same as December, in Williamsport, Tennessee, is another chilly winter month, 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). The coldest month is January, with an average high-temperature of 45.3°F (7.4°C) and an average low-temperature of 30.9°F (-0.6°C). Weather in January »

Weather in February

February, the last month of the winter in Williamsport, is a fresh month, with an average temperature varying between 35.1°F (1.7°C) and 50.2°F (10.1°C). In February, the average high-temperature is essentially the same as in January - a fresh 50.2°F (10.1°C). Weather in February »

Weather in March

March, the first month of the spring in Williamsport, is a moderate month, with an average temperature varying between 59.2°F (15.1°C) and 42.1°F (5.6°C). In March, the average high-temperature rises from a cool 50.2°F (10.1°C) in February to a mild 59.2°F (15.1°C). Weather in March »

Weather in April

April is an agreeable spring month in Williamsport, Tennessee, with an average temperature fluctuating between 49.8°F (9.9°C) and 68.9°F (20.5°C). In Williamsport, the average high-temperature in April increases from a moderate 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 58.5°F (14.7°C) and 77.5°F (25.3°C). In Williamsport, the average high-temperature in May slightly increases from a pleasant 68.9°F (20.5°C) in April 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 still a warm month, with temperature in the range of an average high of 85.6°F (29.8°C) and an average low of 65.5°F (18.6°C). In Williamsport, the average high-temperature in June slightly increases from 77.5°F (25.3°C) in May to a still warm 85.6°F (29.8°C). Weather in June »

Weather in July

July in Williamsport, Tennessee, is a hot summer month, with an average temperature fluctuating between 68.5°F (20.3°C) and 87.4°F (30.8°C). With an average high-temperature of 87.4°F (30.8°C) and an average low-temperature of 68.5°F (20.3°C), July is the warmest month. In July, the average heat index is appraised at a blistering 104°F (40°C). Weather in July »

Weather in August

The last month of the summer, August, is another tropical month in Williamsport, Tennessee, 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). In Williamsport, the average high-temperature in August is essentially the same as in July - a still hot 86.5°F (30.3°C). Weather in August »

Weather in September

September, the first month of the autumn in Williamsport, is also a moderately hot month, with an average temperature fluctuating between 81.3°F (27.4°C) and 61.7°F (16.5°C). In Williamsport, the average high-temperature in September is practically the same as in August - a warm 81.3°F (27.4°C). Weather in September »

Weather in October

October, the same as September, in Williamsport, Tennessee, is another pleasant autumn month, with an average temperature varying between 50.4°F (10.2°C) and 69.8°F (21°C). In Williamsport, the average high-temperature in October drops from a warm 81.3°F (27.4°C) in September to an agreeable 69.8°F (21°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a moderate 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). In November, the average high-temperature decreases from a pleasant 69.8°F (21°C) in October to a moderate 57.4°F (14.1°C). Weather in November »

Weather in December

December, the first month of the winter in Williamsport, is also a frosty month, with an average temperature fluctuating between 35.8°F (2.1°C) and 49.6°F (9.8°C). In December, the average high-temperature marginally drops from a moderate 57.4°F (14.1°C) in November to a chilly 49.6°F (9.8°C). Weather in December »
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FAQ

What is the coldest month in Williamsport?

The coldest month is January, with an average high-temperature of 45.3°F (7.4°C) and an average low-temperature of 30.9°F (-0.6°C).

How much does it rain in Williamsport?

Throughout the year, in Williamsport, Tennessee, there are 172.4 rainfall days, and 38.43" (976mm) of precipitation is accumulated.

When does it snow in Williamsport?

Months with snowfall are January through April, November and December.

How many days does it snow in Williamsport?

In Williamsport, during the entire year, snow falls for 8.9 days and aggregates up to 2.8" (71mm) of snow.

What are the months with the least sunshine in Williamsport?

January and February, with an average of 4.6h of sunshine, are months with the least sunshine in Williamsport.

What is the wettest month in Williamsport?

The months with the most rainfall are February and July, with an average 4.06" (103mm) of precipitation.

When does it snow the most in Williamsport?

The month with the most snowfall in Williamsport is February, when snow falls for 2.8 days and typically aggregates up to 1.06" (27mm) of snow.

What are the most humid months in Williamsport?

March and December, with an average relative humidity of 79%, are most humid months in Williamsport.

When is Daylight Saving Time (DST) in Williamsport?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 6. 2022, at 2:00 am, and the time zone reverts from CDT to CST.

When it does not snow in Williamsport?

In Williamsport, snow does not fall in May through October.

When is the highest UV index in Williamsport?

The months with the highest UV index are May through August, with an average maximum UV index of 6.

When are the longest days in Williamsport?

June has the longest days of the year, with an average of 14h and 32min of daylight.

What month has the most sunshine in Williamsport?

The month with the most sunshine is June, with an average of 10.3h of sunshine.

What is the warmest month in Williamsport?

The warmest month is July, with an average high-temperature of 87.4°F (30.8°C) and an average low-temperature of 68.5°F (20.3°C).

What is the driest month in Williamsport?

September is the month with the least rainfall in Williamsport, Tennessee. Rain falls for 13.8 days and accumulates 2.36" (60mm) of precipitation.

What is the least humid month in Williamsport?

With an average relative humidity of 74%, October is the least humid month.

What is the month with the shortest days in Williamsport?

December has the shortest days of the year, with an average of 9h and 47min of daylight.

When is the lowest UV index in Williamsport?

With an average maximum UV index of 2, December is the month with the lowest UV index in Williamsport, Tennessee.

Average temperature
Williamsport, TN

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).

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Average pressure
Williamsport, TN

Average pressure - Williamsport, TN

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

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Average wind speed
Williamsport, TN

Average wind speed - Williamsport, TN

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).

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Average humidity
Williamsport, TN

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%).

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Average rainfall
Williamsport, TN

Average rainfall - Williamsport, TN

The wettest months (with the highest rainfall) are February and July (4.06").
The driest month (with the least rainfall) is September (2.36").

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Average rainfall days
Williamsport, TN

Average rainfall days - Williamsport, TN

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).

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Average snowfall
Williamsport, TN

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").

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Average snowfall days
Williamsport, TN

Average snowfall days - Williamsport, TN

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).

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Average daylight / Average sunshine
Williamsport, TN

Average daylight / Average sunshine - Williamsport, TN

The month with the longest days is June (Average daylight: 14h and 32min).
The month with the shortest days is December (Average daylight: 9h and 47min).

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).

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Average sunshine days
Williamsport, TN

Average sunshine days - Williamsport, TN

The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is July (9.9 days).

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Average visibility
Williamsport, TN

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).

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