May weather forecast
Porter, WV

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Weather in May

May, the last month of the spring in Porter, is a warm month, with an average temperature ranging between min 54.1°F (12.3°C) and max 74.8°F (23.8°C).

Temperature

Porter's transition into May brings a rise in the average high-temperature, moving from a refreshing 64.8°F (18.2°C) in April to a moderately hot 74.8°F (23.8°C). During May, the temperature in Porter tends to dip to an average of 54.1°F (12.3°C) at night.

Humidity

The average relative humidity in May in Porter is 78%.

Rainfall

The month with the most rainfall in Porter is May, when the rain falls for 20.1 days and typically aggregates up to 3.94" (100mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Porter. May is the last month it regularly snows. During 0.3 snowfall days, in May, Porter aggregates 0.31" (8mm) of snow. In Porter, during the entire year, snow falls for 46.8 days and aggregates up to 22.01" (559mm) of snow.

Daylight

The average length of the day in May in Porter is 14h and 17min.
On the first day of the month, sunrise is at 6:26 am and sunset at 8:17 pm. On the last day of May, in Porter, sunrise is at 6:02 am and sunset at 8:42 pm EDT.

Sunshine

In Porter, the average sunshine in May is 9h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum UV index of 6 during May leads to these instructions:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Opt for tightly woven and loose clothing to enhance protection from the Sun. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
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Frequently asked questions

What are the temperatures in Porter in May?

In Porter, in May, the average high-temperature is 74.8°F (23.8°C), and the average low-temperature is 54.1°F (12.3°C).

What is the average humidity in May in Porter?

In Porter, West Virginia, the average relative humidity in May is 78%.

What is the rainiest month in Porter?

The month with the most rainfall in Porter, West Virginia, is May, when the rain falls for 20.1 days and typically aggregates up to 3.94" (100mm) of precipitation.

How much does it rain in Porter in May?

In Porter, during May, the rain falls for 20.1 days and regularly aggregates up to 3.94" (100mm) of precipitation.

What is the last month it snows in Porter?

May is the last month it regularly snows in Porter, West Virginia. During 0.3 snowfall days, in May, Porter aggregates 0.31" (8mm) of snow.

What is the average length of the day in May in Porter?

In May, the average day length is 14h and 17min.

When are sunrise and sunset in May in Porter?

On the first day of May in Porter, West Virginia, sunrise is at 6:26 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 6:02 am and sunset at 8:42 pm EDT.

How long on average sun shines in May in Porter?

The average sunshine duration in May in Porter is 9h.

What is the month with the highest UV index in Porter?

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

What is the UV index reading in May in Porter?

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

Average temperature in May
Porter, WV

Average temperature in May - Porter, WV
  • Average high temperature in May: 74.8°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (38.7°F).

  • Average low temperature in May: 54.1°F

The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (25.3°F).

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Average pressure in May
Porter, WV

Average pressure in May - Porter, WV
  • Average pressure in May: 30.01"Hg

The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

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Average wind speed in May
Porter, WV

Average wind speed in May - Porter, WV
  • Average wind speed in May: 5.5mph

The windiest month (with the highest average wind speed) is February (6.6mph).
The calmest month (with the lowest average wind speed) is August (4mph).

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Average humidity in May
Porter, WV

Average humidity in May - Porter, WV
  • Average humidity in May: 78%

The months with the highest relative humidity are January and February (82%).
The months with the lowest relative humidity are June, July, August and November (76%).

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Average rainfall in May
Porter, WV

Average rainfall in May - Porter, WV
  • Average rainfall in May: 3.94"

The wettest month (with the highest rainfall) is May (3.94").
The driest month (with the least rainfall) is September (1.81").

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Average rainfall days in May
Porter, WV

Average rainfall days in May - Porter, WV
  • Average rainfall days in May: 20.1 days

The month with the highest number of rainy days is May (20.1 days).
The month with the least rainy days is November (11 days).

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Average snowfall in May
Porter, WV

Average snowfall in May - Porter, WV
  • Average snowfall in May: 0.31"

The month with the highest snowfall is January (5.51").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Porter, WV

Average snowfall days in May - Porter, WV
  • Average snowfall days in May: 0.3 days

The month with the highest number of snowfall days is January (14.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in May /
Average sunshine in May
Porter, WV

Average daylight in May / Average sunshine in May - Porter, WV
  • Average daylight in May: 14h and 2min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in May: 9h and 0min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

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Average sunshine days in May
Porter, WV

Average sunshine days in May - Porter, WV
  • Average sunshine days in May: 9.5 days

The months with the most sunshine days are October and November (16.5 days).
The month with the least sunshine days is February (8.4 days).

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Average UV index in May
Porter, WV

Average UV index in May - Porter, WV
  • Average UV index in May: 6

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).

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Average cloud cover in May
Porter, WV

Average cloud cover in May - Porter, WV
  • Average cloud cover in May: 44

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 33).

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Average visibility in May
Porter, WV

Average visibility in May - Porter, WV
  • Average visibility in May: 5mi

The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).

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Porter, West Virginia, USA

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