May weather forecast
Perkiomen Place, PA

Weather in May

The last month of the spring, May, is a pleasant month in Perkiomen Place, Pennsylvania, with temperature in the range of an average low of 51.6°F (10.9°C) and an average high of 70.3°F (21.3°C).

Temperature

In May, the average high-temperature increases from a moderate 59.9°F (15.5°C) in April to a pleasant 70.3°F (21.3°C). In May, the average low-temperature is 51.6°F (10.9°C).

Humidity

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

Rainfall

In May, in Perkiomen Place, the rain falls for 16.8 days. Throughout May, 2.68" (68mm) of precipitation is accumulated. Throughout the year, in Perkiomen Place, there are 155.5 rainfall days, and 28.15" (715mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Perkiomen Place are January through May, October through December. May is the last month it regularly snows in Perkiomen Place. During 0.1 snowfall days, Perkiomen Place aggregates 0.16" (4mm) of snow. In Perkiomen Place, during the entire year, snow falls for 27 days and aggregates up to 12.52" (318mm) of snow.

Daylight

In May, the average length of the day is 14h and 26min.
On the first day of the month, sunrise is at 6:00 am and sunset at 7:57 pm. On the last day of May, sunrise is at 5:34 am and sunset at 8:25 pm EDT.

Sunshine

In Perkiomen Place, the average sunshine in May is 8.2h.

UV index

May through July, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The average daily UV index of 6 in May transform into the following instructions:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the average humidity in May in Perkiomen Place?

The average relative humidity in May in Perkiomen Place is 78%.

How many days does it rain in May in Perkiomen Place?

In Perkiomen Place, Pennsylvania, in May, it is raining for 16.8 days, with typically 2.68" (68mm) of accumulated precipitation.

What is the last month it snows in Perkiomen Place?

May is the last month it regularly snows in Perkiomen Place, Pennsylvania. During 0.1 snowfall days, in May, Perkiomen Place aggregates 0.16" (4mm) of snow.

How many hours of daylight does Perkiomen Place have in May?

In May, the average day length in Perkiomen Place, Pennsylvania, is 14h and 26min.

When are sunrise and sunset in May in Perkiomen Place?

On the first day of May in Perkiomen Place, sunrise is at 6:00 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 5:34 am and sunset at 8:25 pm EDT.

How long on average sun shines in May in Perkiomen Place?

In May, the average sunshine duration in Perkiomen Place, Pennsylvania, is 8.2h.

What is the month with the highest UV index in Perkiomen Place?

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

What is the UV index reading in May in Perkiomen Place?

In Perkiomen Place, Pennsylvania, the average daily maximum UV index in May is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Perkiomen Place, PA

Average temperature in May - Perkiomen Place, PA
  • Average high temperature in May: 70.3°F

The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (35.1°F).

  • Average low temperature in May: 51.6°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 (22.5°F).

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Average pressure in May
Perkiomen Place, PA

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

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in May
Perkiomen Place, PA

Average wind speed in May - Perkiomen Place, PA
  • Average wind speed in May: 6.3mph

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity in May
Perkiomen Place, PA

Average humidity in May - Perkiomen Place, PA
  • Average humidity in May: 78%

The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are April and July (75%).

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Average rainfall in May
Perkiomen Place, PA

Average rainfall in May - Perkiomen Place, PA
  • Average rainfall in May: 2.68"

The wettest month (with the highest rainfall) is July (2.83").
The driest month (with the least rainfall) is September (1.65").

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Average rainfall days in May
Perkiomen Place, PA

Average rainfall days in May - Perkiomen Place, PA
  • Average rainfall days in May: 16.8 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (8 days).

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Average snowfall in May
Perkiomen Place, PA

Average snowfall in May - Perkiomen Place, PA
  • Average snowfall in May: 0.16"

The month with the highest snowfall is March (3.86").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Perkiomen Place, PA

Average snowfall days in May - Perkiomen Place, PA
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (8.5 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
Perkiomen Place, PA

Average daylight in May / Average sunshine in May - Perkiomen Place, PA
  • Average daylight in May: 14h and 26min

The month with the longest days is June (Average daylight: 15h and 1min).
The month with the shortest days is December (Average daylight: 9h and 21min).

  • Average sunshine in May: 8h and 12min

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

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Average sunshine days in May
Perkiomen Place, PA

Average sunshine days in May - Perkiomen Place, PA
  • Average sunshine days in May: 12.5 days

The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is April (12 days).

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Average UV index in May
Perkiomen Place, PA

Average UV index in May - Perkiomen Place, PA
  • Average UV index in May: 6

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

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Average cloud cover in May
Perkiomen Place, PA

Average cloud cover in May - Perkiomen Place, PA
  • Average cloud cover in May: 48

The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 33).

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Average visibility in May
Perkiomen Place, PA

Average visibility in May - Perkiomen Place, PA
  • Average visibility in May: 5mi

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

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