May weather forecast
Youngsville, PA

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Weather in May

May, the last month of the spring in Youngsville, is a comfortable month, with an average temperature ranging between min 46°F (7.8°C) and max 66.4°F (19.1°C).

Temperature

May's arrival coincides with a rise in the average high-temperature, moving from April's cool 53.4°F (11.9°C) to an enjoyable 66.4°F (19.1°C). During the May nights, an average temperature of 46°F (7.8°C) is observed in Youngsville.

Humidity

With an average relative humidity of 80%, May is the least humid month.

Rainfall

In Youngsville, in May, during 17.9 rainfall days, 2.01" (51mm) of precipitation is typically accumulated. Throughout the year, in Youngsville, there are 162.1 rainfall days, and 21.81" (554mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Youngsville are January through May, October through December. May is the last month it regularly snows. During 0.8 snowfall days, in May, Youngsville aggregates 0.12" (3mm) of snow. Throughout the year, there are 88.7 snowfall days, and 29.57" (751mm) of snow is accumulated.

Daylight

The average length of the day in May in Youngsville is 14h and 34min.
On the first day of May, sunrise is at 6:12 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:45 pm EDT.

Sunshine

The average sunshine in May in Youngsville is 8.2h.

UV index

May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.
Note: A daily maximum UV index of 5 in May translates into the following instructions:
Make use of precautions - Suggestions to resist sunburn are communicated. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Opt for tightly woven and loose clothing to enhance protection from the Sun. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
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Frequently asked questions

What are May temperatures in Youngsville?

In May, the average high-temperature and low-temperature are 66.4°F (19.1°C) and 46°F (7.8°C) respectively.

What is the least humid month in Youngsville?

With an average relative humidity of 80%, May is the least humid month in Youngsville.

What is the average humidity in May in Youngsville?

In Youngsville, the average relative humidity in May is 80%.

How many days does it rain in May in Youngsville?

In Youngsville, in May, it is raining for 17.9 days, with typically 2.01" (51mm) of accumulated precipitation.

What is the last month it snows in Youngsville?

May is the last month it regularly snows in Youngsville, Pennsylvania. During 0.8 snowfall days, in May, Youngsville aggregates 0.12" (3mm) of snow.

How many hours of daylight does Youngsville have in May?

The average day length in May is 14h and 34min.

What time are sunrise and sunset in May in Youngsville?

On the first day of May, sunrise is at 6:12 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:45 pm EDT.

How long on average sun shines in May in Youngsville?

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

What are the months with the highest UV index in Youngsville?

The months with the highest UV index are May through August, with an average maximum UV index of 5.

What is the UV index reading in May in Youngsville?

The average daily maximum UV index in May in Youngsville, Pennsylvania, is 5. A UV Index reading of 3 to 5 represents a moderate 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
Youngsville, PA

Average temperature in May - Youngsville, PA
  • Average high temperature in May: 66.4°F

The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is January (28.2°F).

  • Average low temperature in May: 46°F

The month with the highest average low temperature is July (57.6°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).

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Average pressure in May
Youngsville, PA

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

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in May
Youngsville, PA

Average wind speed in May - Youngsville, PA
  • Average wind speed in May: 7.1mph

The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).

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Average humidity in May
Youngsville, PA

Average humidity in May - Youngsville, PA
  • Average humidity in May: 80%

The month with the highest relative humidity is February (90%).
The month with the lowest relative humidity is May (80%).

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Average rainfall in May
Youngsville, PA

Average rainfall in May - Youngsville, PA
  • Average rainfall in May: 2.01"

The wettest month (with the highest rainfall) is April (2.52").
The driest month (with the least rainfall) is March (1.42").

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Average rainfall days in May
Youngsville, PA

Average rainfall days in May - Youngsville, PA
  • Average rainfall days in May: 17.9 days

The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is February (7.3 days).

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Average snowfall in May
Youngsville, PA

Average snowfall in May - Youngsville, PA
  • Average snowfall in May: 0.12"

The month with the highest snowfall is December (6.77").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Youngsville, PA

Average snowfall days in May - Youngsville, PA
  • Average snowfall days in May: 0.8 days

The month with the highest number of snowfall days is January (22 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
Youngsville, PA

Average daylight in May / Average sunshine in May - Youngsville, PA
  • Average daylight in May: 14h and 4min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in May: 8h and 1min

The months with the most sunshine are July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 6min).

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Average sunshine days in May
Youngsville, PA

Average sunshine days in May - Youngsville, PA
  • Average sunshine days in May: 10.8 days

The month with the most sunshine days is September (12.9 days).
The month with the least sunshine days is January (5.1 days).

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Average UV index in May
Youngsville, PA

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

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in May
Youngsville, PA

Average cloud cover in May - Youngsville, PA
  • Average cloud cover in May: 49

The month with the most cloud cover is January (Cloud cover 80).
The months with the least cloud cover are July and August (Cloud cover 40).

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Average visibility in May
Youngsville, PA

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

The months with the highest visibility are March, April, May, June, July, September, October and November (5mi).
The months with the lowest visibility are January, February, August and December (4mi).

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Youngsville, Pennsylvania, USA

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