May weather forecast
Imperial, PA

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Weather in May

The last month of the spring, May, is an agreeable month in Imperial, Pennsylvania, with an average temperature ranging between min 50.9°F (10.5°C) and max 72°F (22.2°C).

Temperature

May indicates a change in the average high-temperature, moving up from a moderate 60.3°F (15.7°C) in April to an agreeable 72°F (22.2°C). In May, the average low-temperature records at a cool 50.9°F (10.5°C) during the nights.

Humidity

In Imperial, the average relative humidity in May is 77%.

Rainfall

In Imperial, in May, it is raining for 17.5 days, with typically 2.24" (57mm) of accumulated precipitation. Throughout the year, there are 154.8 rainfall days, and 21.22" (539mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Imperial. May is the last month it regularly snows. During 0.3 snowfall days, in May, Imperial aggregates 0.04" (1mm) of snow. In Imperial, during the entire year, snow falls for 49.9 days and aggregates up to 10.12" (257mm) of snow.

Daylight

In Imperial, the average length of the day in May is 14h and 27min.
On the first day of May in Imperial, sunrise is at 6:18 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 5:52 am and sunset at 8:44 pm EDT.

Sunshine

In May, the average sunshine is 8.6h.

UV index

May through July, 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 health hazard from exposure to the Sun's UV radiation for average individuals.
Note: An average UV index of 6 in May transforms into this advice:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Opt for tightly woven and loose clothing to enhance protection from the Sun. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
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Frequently asked questions

What is the average May temperature in Imperial?

In Imperial, 72°F (22.2°C) is the average high-temperature and 50.9°F (10.5°C) is the average low-temperature during May.

What is the average humidity in May in Imperial?

The average relative humidity in May is 77%.

How many days does it rain in May in Imperial?

In Imperial, during May, the rain falls for 17.5 days and regularly aggregates up to 2.24" (57mm) of precipitation.

What is the last month it snows in Imperial?

May is the last month it regularly snows. During 0.3 snowfall days, in May, Imperial aggregates 0.04" (1mm) of snow.

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

In May, the average day length is 14h and 27min.

When are sunrise and sunset in May in Imperial?

In May, on the first day of the month, sunrise is at 6:18 am and sunset at 8:17 pm. On the last day of the month, in Imperial, sunrise is at 5:52 am and sunset at 8:44 pm EDT.

How long on average sun shines in May in Imperial?

The average sunshine duration in May is 8.6h.

When is the highest UV index in Imperial?

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

What is the UV index intensity in May in Imperial?

In Imperial, Pennsylvania, the average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high hazard to health from 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
Imperial, PA

Average temperature in May - Imperial, PA
  • Average high temperature in May: 72°F

The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (32.9°F).

  • Average low temperature in May: 50.9°F

The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).

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Average pressure in May
Imperial, PA

Average pressure in May - Imperial, PA
  • Average pressure in May: 29.99"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

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Average wind speed in May
Imperial, PA

Average wind speed in May - Imperial, PA
  • Average wind speed in May: 6mph

The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

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Average humidity in May
Imperial, PA

Average humidity in May - Imperial, PA
  • Average humidity in May: 77%

The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are July and August (75%).

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Average rainfall in May
Imperial, PA

Average rainfall in May - Imperial, PA
  • Average rainfall in May: 2.24"

The wettest month (with the highest rainfall) is July (2.36").
The driest month (with the least rainfall) is January (1.22").

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Average rainfall days in May
Imperial, PA

Average rainfall days in May - Imperial, PA
  • Average rainfall days in May: 17.5 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (8.1 days).

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Average snowfall in May
Imperial, PA

Average snowfall in May - Imperial, PA
  • Average snowfall in May: 0.04"

The month with the highest snowfall is February (2.76").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Imperial, PA

Average snowfall days in May - Imperial, PA
  • Average snowfall days in May: 0.3 days

The month with the highest number of snowfall days is January (14.3 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
Imperial, PA

Average daylight in May / Average sunshine in May - Imperial, PA
  • Average daylight in May: 14h and 2min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in May: 8h and 4min

The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).

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Average sunshine days in May
Imperial, PA

Average sunshine days in May - Imperial, PA
  • Average sunshine days in May: 11.2 days

The month with the most sunshine days is November (16.6 days).
The month with the least sunshine days is February (10.7 days).

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Average UV index in May
Imperial, PA

Average UV index in May - Imperial, PA
  • Average UV index in May: 6

The months with the highest UV index are May, June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in May
Imperial, PA

Average cloud cover in May - Imperial, PA
  • Average cloud cover in May: 45

The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 34).

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Average visibility in May
Imperial, PA

Average visibility in May - Imperial, PA
  • Average visibility in May: 5mi

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

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Imperial, Pennsylvania, USA

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