May weather forecast
Williamsport, TN

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Weather in May

May, the last month of the spring in Williamsport, is a warm month, with an average temperature fluctuating between 58.5°F (14.7°C) and 77.5°F (25.3°C).

Temperature

With the start of May, the average high-temperature marginally shifts from April's agreeable 68.9°F (20.5°C) to a warm 77.5°F (25.3°C). During May, the nighttime temperature in Williamsport, Tennessee, averages to a refreshing 58.5°F (14.7°C).

Humidity

In May, the average relative humidity in Williamsport is 78%.

Rainfall

In May, in Williamsport, the rain falls for 16.3 days. Throughout May, 2.99" (76mm) of precipitation is accumulated. In Williamsport, during the entire year, the rain falls for 172.4 days and collects up to 38.43" (976mm) of precipitation.

Snowfall

May through October are months without snowfall in Williamsport.

Daylight

In Williamsport, the average length of the day in May is 14h and 4min.
On the first day of the month, sunrise is at 5:55 am and sunset at 7:35 pm. On the last day of May, sunrise is at 5:34 am and sunset at 7:59 pm CDT.

Sunshine

In Williamsport, the average sunshine in May is 9.3h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index in Williamsport. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: In May, the average maximum UV index of 6 translates into the following recommendations:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
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Frequently asked questions

What is the temperature in May in Williamsport?

In May, in Williamsport, the average high-temperature is 77.5°F (25.3°C), and the average low-temperature is 58.5°F (14.7°C).

What is the average humidity in May in Williamsport?

In Williamsport, Tennessee, the average relative humidity in May is 78%.

How much does it rain in Williamsport in May?

In Williamsport, Tennessee, in May, during 16.3 rainfall days, 2.99" (76mm) of precipitation is typically accumulated.

When it does not snow in Williamsport?

May through October are months without snowfall in Williamsport, Tennessee.

Does it snow in Williamsport in May?

In May, in Williamsport, it doesn't snow. April is the latest month when it typically snows.

How many hours of daylight does Williamsport have in May?

The average day length in May is 14h and 4min.

When are sunrise and sunset in May in Williamsport?

On the first day of May in Williamsport, Tennessee, sunrise is at 5:55 am and sunset at 7:35 pm. On the last day of the month, sunrise is at 5:34 am and sunset at 7:59 pm CDT.

How many hours of sunshine does Williamsport have in May?

The average sunshine duration in May is 9.3h.

When is the highest UV index in Williamsport?

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

How high is the UV index in May in Williamsport?

In May, the average daily maximum UV index in Williamsport is 6. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Williamsport, TN

Average temperature in May - Williamsport, TN
  • Average high temperature in May: 77.5°F

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).

  • Average low temperature in May: 58.5°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 in May
Williamsport, TN

Average pressure in May - Williamsport, TN
  • Average pressure in May: 30"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).

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Average wind speed in May
Williamsport, TN

Average wind speed in May - Williamsport, TN
  • Average wind speed in May: 6.3mph

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 in May
Williamsport, TN

Average humidity in May - Williamsport, TN
  • Average humidity in May: 78%

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 in May
Williamsport, TN

Average rainfall in May - Williamsport, TN
  • Average rainfall in May: 2.99"

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 in May
Williamsport, TN

Average rainfall days in May - Williamsport, TN
  • Average rainfall days in May: 16.3 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).

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Average snowfall in May
Williamsport, TN

Average snowfall in May - Williamsport, TN
  • Average snowfall in May: 0"

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 in May
Williamsport, TN

Average snowfall days in May - Williamsport, TN
  • Average snowfall days in May: 0 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).

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Average daylight in May /
Average sunshine in May
Williamsport, TN

Average daylight in May / Average sunshine in May - Williamsport, TN
  • Average daylight in May: 14h and 1min

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 May: 9h and 2min

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 in May
Williamsport, TN

Average sunshine days in May - Williamsport, TN
  • Average sunshine days in May: 13.1 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).

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Average UV index in May
Williamsport, TN

Average UV index in May - Williamsport, TN
  • Average UV index in May: 6

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).

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Average cloud cover in May
Williamsport, TN

Average cloud cover in May - Williamsport, TN
  • Average cloud cover in May: 37

The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 30).

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Average visibility in May
Williamsport, TN

Average visibility in May - Williamsport, TN
  • Average visibility in May: 6mi

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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Williamsport, Tennessee, USA

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