May weather forecast
Neptune, WV

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Weather in May

May, the last month of the spring in Neptune, is a warm month, with an average temperature ranging between max 75°F (23.9°C) and min 54.3°F (12.4°C).

Temperature

May brings a temperature increase, with average high-temperatures moving from April's enjoyable 64.2°F (17.9°C) to a warm 75°F (23.9°C). In Neptune, the May nights cool down to an average low of 54.3°F (12.4°C).

Humidity

The average relative humidity in May is 78%.

Rainfall

The month with the most rainfall in Neptune is May, when the rain falls for 19.4 days and typically aggregates up to 4.02" (102mm) of precipitation.

Snowfall

Months with snowfall in Neptune are January through May, October through December. May is the last month it regularly snows in Neptune. During 0.1 snowfall days, in May, Neptune aggregates 0.2" (5mm) of snow. In Neptune, during the entire year, snow falls for 40.4 days and aggregates up to 15.91" (404mm) of snow.

Daylight

In May, the average length of the day is 14h and 20min.
On the first day of May in Neptune, sunrise is at 6:27 am and sunset at 8:20 pm. On the last day of the month, sunrise is at 6:03 am and sunset at 8:46 pm EDT.

Sunshine

In May, the average sunshine is 8.7h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: During May, 6 as the daily maximum UV index converts into the following advice:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. 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. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
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Frequently asked questions

What are May temperatures in Neptune?

The high-temperature during May is 75°F (23.9°C) and the low-temperature is 54.3°F (12.4°C).

What is the average humidity in May in Neptune?

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

What is the rainiest month in Neptune?

The month with the most rainfall in Neptune, West Virginia, is May, when the rain falls for 19.4 days and typically aggregates up to 4.02" (102mm) of precipitation.

How many days does it rain in May in Neptune?

In Neptune, in May, during 19.4 rainfall days, 4.02" (102mm) of precipitation is typically accumulated.

What is the last month it snows in Neptune?

May is the last month it regularly snows. During 0.1 snowfall days, in May, Neptune aggregates 0.2" (5mm) of snow.

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

In May, the average day length in Neptune, West Virginia, is 14h and 20min.

What time are sunrise and sunset in May in Neptune?

On the first day of May in Neptune, sunrise is at 6:27 am and sunset at 8:20 pm. On the last day of the month, sunrise is at 6:03 am and sunset at 8:46 pm EDT.

How many hours of sunshine does Neptune have in May?

In Neptune, the average sunshine duration in May is 8.7h.

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

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

What is the UV index intensity in May in Neptune?

In Neptune, West Virginia, the average daily maximum UV index in May is 6. A UV Index reading of 6 to 7 represents a high hazard to health from unprotected exposure to UV radiation.
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
Neptune, WV

Average temperature in May - Neptune, WV
  • Average high temperature in May: 75°F

The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (37.6°F).

  • Average low temperature in May: 54.3°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

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Average pressure in May
Neptune, WV

Average pressure in May - Neptune, WV
  • Average pressure in May: 30"Hg

The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

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Average wind speed in May
Neptune, WV

Average wind speed in May - Neptune, WV
  • Average wind speed in May: 5.7mph

The windiest months (with the highest average wind speed) are January and February (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

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Average humidity in May
Neptune, WV

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

The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is August (75%).

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Average rainfall in May
Neptune, WV

Average rainfall in May - Neptune, WV
  • Average rainfall in May: 4.02"

The wettest month (with the highest rainfall) is May (4.02").
The driest month (with the least rainfall) is September (1.89").

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Average rainfall days in May
Neptune, WV

Average rainfall days in May - Neptune, WV
  • Average rainfall days in May: 19.4 days

The month with the highest number of rainy days is May (19.4 days).
The month with the least rainy days is November (10.8 days).

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Average snowfall in May
Neptune, WV

Average snowfall in May - Neptune, WV
  • Average snowfall in May: 0.2"

The month with the highest snowfall is February (4.29").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Neptune, WV

Average snowfall days in May - Neptune, WV
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (12.5 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
Neptune, WV

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

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in May: 8h and 4min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

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Average sunshine days in May
Neptune, WV

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

The month with the most sunshine days is November (17.5 days).
The months with the least sunshine days are February and May (9.5 days).

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Average UV index in May
Neptune, WV

Average UV index in May - Neptune, 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
Neptune, WV

Average cloud cover in May - Neptune, WV
  • Average cloud cover in May: 46

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
Neptune, WV

Average visibility in May - Neptune, 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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Neptune, West Virginia, USA

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