May weather forecast
Holly Hill, PA

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Weather in May

The last month of the spring, May, is an agreeable month in Holly Hill, Pennsylvania, with an average temperature fluctuating between 71.2°F (21.8°C) and 53.8°F (12.1°C).

Temperature

The beginning of May signals a rise in the average high-temperature, moving from a refreshing 61.2°F (16.2°C) in April to a pleasant 71.2°F (21.8°C). Holly Hill records a steady low-temperature average of 53.8°F (12.1°C) during May.

Humidity

The average relative humidity in May is 76%.

Rainfall

In May, the rain falls for 16.8 days. Throughout May, 2.8" (71mm) of precipitation is accumulated. Throughout the year, there are 154.4 rainfall days, and 31.38" (797mm) of precipitation is accumulated.

Snowfall

January through May, November and December are months with snowfall. May is the last month it regularly snows. During 0.1 snowfall days, in May, Holly Hill aggregates 0.24" (6mm) of snow. In Holly Hill, during the entire year, snow falls for 15.9 days and aggregates up to 8.5" (216mm) of snow.

Daylight

The average length of the day in May is 14h and 25min.
On the first day of the month, sunrise is at 5:57 am and sunset at 7:54 pm. On the last day of May, in Holly Hill, sunrise is at 5:32 am and sunset at 8:22 pm EDT.

Sunshine

In Holly Hill, the average sunshine in May is 8.7h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: A maximum UV index of 6 in May translates into the following recommendations:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.

Frequently asked questions

What is the usual temperature for Holly Hill in May?

The average high-temperature and low-temperature during May are 71.2°F (21.8°C) and 53.8°F (12.1°C) respectively.

What is the average humidity in May?

The average relative humidity in May is 76%.

How many days does it rain in May?

In Holly Hill, in May, it is raining for 16.8 days, with typically 2.8" (71mm) of accumulated precipitation.

What is the last month it snows?

May is the last month it regularly snows. During 0.1 snowfall days, in May, Holly Hill aggregates 0.24" (6mm) of snow.

What is the average length of the day in May?

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

When is the sunrise / sunset in May?

On the first day of May, sunrise is at 5:57 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 5:32 am and sunset at 8:22 pm EDT.

How long on average sun shines in May?

The average sunshine duration in May is 8.7h.

What are the months with the highest UV index?

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

What is the UV index intensity in May?

In Holly Hill, the average daily maximum UV index in May is 6. A UV Index reading of 6 to 7 represents a high health risk 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
Holly Hill, PA

Average temperature in May - Holly Hill, PA
  • Average high temperature in May: 71.2°F

The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (37°F).

  • Average low temperature in May: 53.8°F

The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).

Average pressure in May
Holly Hill, PA

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

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in May
Holly Hill, PA

Average wind speed in May - Holly Hill, PA
  • Average wind speed in May: 6.9mph

The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

Average humidity in May
Holly Hill, PA

Average humidity in May - Holly Hill, PA
  • Average humidity in May: 76%

The months with the highest relative humidity are February and October (78%).
The month with the lowest relative humidity is April (72%).

Average rainfall in May
Holly Hill, PA

Average rainfall in May - Holly Hill, PA
  • Average rainfall in May: 2.8"

The wettest month (with the highest rainfall) is July (3.66").
The driest month (with the least rainfall) is January (1.89").

Average rainfall days in May
Holly Hill, PA

Average rainfall days in May - Holly Hill, PA
  • Average rainfall days in May: 16.8 days

The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is January (8 days).

Average snowfall in May
Holly Hill, PA

Average snowfall in May - Holly Hill, PA
  • Average snowfall in May: 0.24"

The month with the highest snowfall is March (2.99").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in May
Holly Hill, PA

Average snowfall days in May - Holly Hill, PA
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (4.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

Average daylight in May /
Average sunshine in May
Holly Hill, PA

Average daylight in May / Average sunshine in May - Holly Hill, 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 4min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in May
Holly Hill, PA

Average sunshine days in May - Holly Hill, PA
  • Average sunshine days in May: 12.7 days

The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is July (9.9 days).

Average UV index in May
Holly Hill, PA

Average UV index in May - Holly Hill, PA
  • 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, November and December (UV index 2).

Average cloud cover in May
Holly Hill, PA

Average cloud cover in May - Holly Hill, PA
  • Average cloud cover in May: 46

The months with the most cloud cover are February and March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in May
Holly Hill, PA

Average visibility in May - Holly Hill, PA
  • Average visibility in May: 5mi

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

Holly Hill, Pennsylvania, USA

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