May weather forecast
Mountville, PA

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Weather in May

The last month of the spring, May, is a pleasant month in Mountville, Pennsylvania, with an average temperature fluctuating between 52.3°F (11.3°C) and 70.2°F (21.2°C).

Temperature

Mountville's transition into May is marked by a temperature shift, moving from a moderate 60.3°F (15.7°C) in April to a pleasant 70.2°F (21.2°C). During May, Mountville sees a mean low-temperature of 52.3°F (11.3°C).

Humidity

May is the most humid month in Mountville, with an average relative humidity of 81%.

Rainfall

In Mountville, during May, the rain falls for 14 days and regularly aggregates up to 1.38" (35mm) of precipitation. Throughout the year, there are 125.9 rainfall days, and 15.08" (383mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Mountville, Pennsylvania. May is the last month it regularly snows. During 0.2 snowfall days, in May, Mountville aggregates 0.04" (1mm) of snow. In Mountville, Pennsylvania, during the entire year, snow falls for 16.4 days and aggregates up to 5.04" (128mm) of snow.

Daylight

The average length of the day in May in Mountville is 14h and 25min.
On the first day of May, sunrise is at 6:04 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 8:28 pm EDT.

Sunshine

The average sunshine in May is 8.3h.

UV index

In May, the average daily maximum UV index in Mountville is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: During May, 5 as the daily maximum UV index converts into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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Frequently asked questions

What is the average May temperature in Mountville?

May temperatures vary between a high-temperature of 70.2°F (21.2°C) and a low-temperature of 52.3°F (11.3°C).

What is the most humid month in Mountville?

The most humid month in Mountville is May, with an average relative humidity of 81%.

What is the average humidity in May in Mountville?

In May, the average relative humidity in Mountville, Pennsylvania, is 81%.

How much does it rain in Mountville in May?

In Mountville, in May, it is raining for 14 days, with typically 1.38" (35mm) of accumulated precipitation.

What is the last month it snows in Mountville?

May is the last month it regularly snows in Mountville, Pennsylvania. During 0.2 snowfall days, in May, Mountville aggregates 0.04" (1mm) of snow.

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

In May, the average day length in Mountville is 14h and 25min.

When are sunrise and sunset in May in Mountville?

On the first day of May, sunrise is at 6:04 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 8:28 pm EDT.

How many hours of sunshine does Mountville have in May?

In May, the average sunshine duration is 8.3h.

What is the UV index reading in May in Mountville?

In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium 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
Mountville, PA

Average temperature in May - Mountville, PA
  • Average high temperature in May: 70.2°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (35.4°F).

  • Average low temperature in May: 52.3°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).

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Average pressure in May
Mountville, PA

Average pressure in May - Mountville, PA
  • Average pressure in May: 30.01"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in May
Mountville, PA

Average wind speed in May - Mountville, PA
  • Average wind speed in May: 6.8mph

The windiest months (with the highest average wind speed) are February and March (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

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Average humidity in May
Mountville, PA

Average humidity in May - Mountville, PA
  • Average humidity in May: 81%

The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is April (76%).

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Average rainfall in May
Mountville, PA

Average rainfall in May - Mountville, PA
  • Average rainfall in May: 1.38"

The wettest month (with the highest rainfall) is August (2.09").
The driest month (with the least rainfall) is February (0.83").

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Average rainfall days in May
Mountville, PA

Average rainfall days in May - Mountville, PA
  • Average rainfall days in May: 14 days

The month with the highest number of rainy days is July (14.9 days).
The month with the least rainy days is February (5.7 days).

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Average snowfall in May
Mountville, PA

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

The month with the highest snowfall is March (1.46").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Mountville, PA

Average snowfall days in May - Mountville, PA
  • Average snowfall days in May: 0.2 days

The month with the highest number of snowfall days is February (4.7 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
Mountville, PA

Average daylight in May / Average sunshine in May - Mountville, 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 24min).

  • Average sunshine in May: 8h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

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Average sunshine days in May
Mountville, PA

Average sunshine days in May - Mountville, PA
  • Average sunshine days in May: 13.8 days

The month with the most sunshine days is November (21.4 days).
The month with the least sunshine days is July (13.3 days).

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Average UV index in May
Mountville, PA

Average UV index in May - Mountville, PA
  • Average UV index in May: 5

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in May
Mountville, PA

Average cloud cover in May - Mountville, PA
  • Average cloud cover in May: 47

The months with the most cloud cover are February, March and December (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 32).

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Average visibility in May
Mountville, PA

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

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

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Mountville, Pennsylvania, USA

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