May weather forecast
Parker, PA

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Weather in May

May, the last month of the spring in Parker, is a pleasant month, with an average temperature varying between 48.9°F (9.4°C) and 69.3°F (20.7°C).

Temperature

With the onset of May, the average high-temperature slightly shifts from April's mild 57.4°F (14.1°C) to a pleasant 69.3°F (20.7°C). May in Parker, Pennsylvania, witnesses an average low-temperature hovering around a frosty 48.9°F (9.4°C).

Humidity

The average relative humidity in May is 79%.

Rainfall

In Parker, during May, the rain falls for 19.5 days and regularly aggregates up to 3.31" (84mm) of precipitation. In Parker, during the entire year, the rain falls for 176.8 days and collects up to 34.57" (878mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.3 snowfall days, in May, Parker aggregates 0.2" (5mm) of snow. Throughout the year, there are 63.1 snowfall days, and 25.75" (654mm) of snow is accumulated.

Daylight

In Parker, the average length of the day in May is 14h and 30min.
On the first day of the month, sunrise is at 6:15 am and sunset at 8:16 pm. On the last day of May, sunrise is at 5:48 am and sunset at 8:44 pm EDT.

Sunshine

In Parker, the average sunshine in May is 8.5h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In May, a daily maximum UV index of 5 leads to the following instructions:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.

Frequently asked questions

What are May temperatures in Parker?

The high-temperature, in May, in Parker, records 69.3°F (20.7°C), while the low-temperature is 48.9°F (9.4°C).

What is the average humidity in May in Parker?

In Parker, the average relative humidity in May is 79%.

How much does it rain in Parker in May?

In Parker, in May, it is raining for 19.5 days, with typically 3.31" (84mm) of accumulated precipitation.

What is the last month it snows?

May is the last month it regularly snows. During 0.3 snowfall days, in May, Parker aggregates 0.2" (5mm) of snow.

How many hours of daylight does Parker have in May?

In Parker, the average day length in May is 14h and 30min.

When are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 6:15 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 8:44 pm EDT.

How many hours of sunshine does Parker have in May?

The average sunshine duration in May is 8.5h.

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

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 May, the average daily maximum UV index 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
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Parker, PA

Average temperature in May - Parker, PA
  • Average high temperature in May: 69.3°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (30.6°F).

  • Average low temperature in May: 48.9°F

The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).

Average pressure in May
Parker, PA

Average pressure in May - Parker, PA
  • Average pressure in May: 30"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).

Average wind speed in May
Parker, PA

Average wind speed in May - Parker, PA
  • Average wind speed in May: 6.4mph

The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

Average humidity in May
Parker, PA

Average humidity in May - Parker, PA
  • Average humidity in May: 79%

The month with the highest relative humidity is February (88%).
The month with the lowest relative humidity is July (78%).

Average rainfall in May
Parker, PA

Average rainfall in May - Parker, PA
  • Average rainfall in May: 3.31"

The wettest month (with the highest rainfall) is April (3.7").
The driest month (with the least rainfall) is November (2.17").

Average rainfall days in May
Parker, PA

Average rainfall days in May - Parker, PA
  • Average rainfall days in May: 19.5 days

The month with the highest number of rainy days is July (20.1 days).
The month with the least rainy days is January (8.4 days).

Average snowfall in May
Parker, PA

Average snowfall in May - Parker, PA
  • Average snowfall in May: 0.2"

The month with the highest snowfall is January (6.42").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Parker, PA

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

The month with the highest number of snowfall days is January (17.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Parker, PA

Average daylight in May / Average sunshine in May - Parker, PA
  • Average daylight in May: 14h and 3min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in May: 8h and 3min

The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).

Average sunshine days in May
Parker, PA

Average sunshine days in May - Parker, PA
  • Average sunshine days in May: 10.3 days

The month with the most sunshine days is November (14 days).
The month with the least sunshine days is February (8.7 days).

Average UV index in May
Parker, PA

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

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

Average cloud cover in May
Parker, PA

Average cloud cover in May - Parker, PA
  • Average cloud cover in May: 48

The month with the most cloud cover is January (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 38).

Average visibility in May
Parker, PA

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

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

Parker, Pennsylvania, USA

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