May weather forecast
Winchester Park, PA

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Weather in May

The last month of the spring, May, is an agreeable month in Winchester Park, Pennsylvania, with an average temperature fluctuating between 71.8°F (22.1°C) and 54.5°F (12.5°C).

Temperature

Observing a rise in May, the average high-temperature goes from April's refreshing 61.7°F (16.5°C) to a pleasant 71.8°F (22.1°C). In Winchester Park, the average low-temperature during the month of May is a cool 54.5°F (12.5°C).

Humidity

In Winchester Park, the average relative humidity in May is 75%.

Rainfall

In May, in Winchester Park, the rain falls for 17.3 days. Throughout May, 2.8" (71mm) of precipitation is accumulated. Throughout the year, there are 153.8 rainfall days, and 30.94" (786mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Winchester Park are January through May, November and December. May is the last month it regularly snows in Winchester Park. During 0.1 snowfall days, in May, Winchester Park aggregates 0.2" (5mm) of snow. In Winchester Park, during the entire year, snow falls for 16.8 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 5:58 am and sunset at 7:55 pm. On the last day of May, sunrise is at 5:33 am and sunset at 8:22 pm EDT.

Sunshine

In May, the average sunshine in Winchester Park, Pennsylvania, is 8.4h.

UV index

May through August, 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 unsafe exposure to UV radiation for average individuals.
Note: In May, the UV index of 6 transforms into the following advice:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Boost your sun resistance with garments that are densely woven yet spacious. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Winchester Park in May?

The average high-temperature, in May, in Winchester Park, is 71.8°F (22.1°C), while the average low-temperature is 54.5°F (12.5°C).

What is the average humidity in May in Winchester Park?

In Winchester Park, Pennsylvania, the average relative humidity in May is 75%.

How many days does it rain in May in Winchester Park?

In Winchester Park, during May, the rain falls for 17.3 days and regularly aggregates up to 2.8" (71mm) of precipitation.

What is the last month it snows in Winchester Park?

May is the last month it regularly snows. During 0.1 snowfall days, in May, Winchester Park aggregates 0.2" (5mm) of snow.

What is the average length of the day in May in Winchester Park?

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

What time are sunrise and sunset in May in Winchester Park?

In May, on the first day of the month, sunrise is at 5:58 am and sunset at 7:55 pm. On the last day of the month, in Winchester Park, sunrise is at 5:33 am and sunset at 8:22 pm EDT.

How many hours of sunshine does Winchester Park have in May?

The average sunshine duration in May in Winchester Park, Pennsylvania, is 8.4h.

When is the highest UV index in Winchester Park?

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

What is the UV index reading in May in Winchester Park?

In May, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability 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
Winchester Park, PA

Average temperature in May - Winchester Park, PA
  • Average high temperature in May: 71.8°F

The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (37.4°F).

  • Average low temperature in May: 54.5°F

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).

Average pressure in May
Winchester Park, PA

Average pressure in May - Winchester Park, 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 (29.93"Hg).

Average wind speed in May
Winchester Park, PA

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

The windiest months (with the highest average wind speed) are March and April (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

Average humidity in May
Winchester Park, PA

Average humidity in May - Winchester Park, PA
  • Average humidity in May: 75%

The months with the highest relative humidity are February and October (77%).
The months with the lowest relative humidity are April, July and August (71%).

Average rainfall in May
Winchester Park, PA

Average rainfall in May - Winchester Park, PA
  • Average rainfall in May: 2.8"

The wettest month (with the highest rainfall) is July (3.39").
The driest month (with the least rainfall) is January (1.89").

Average rainfall days in May
Winchester Park, PA

Average rainfall days in May - Winchester Park, PA
  • Average rainfall days in May: 17.3 days

The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is November (7.5 days).

Average snowfall in May
Winchester Park, PA

Average snowfall in May - Winchester Park, PA
  • Average snowfall in May: 0.2"

The month with the highest snowfall is March (2.76").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in May
Winchester Park, PA

Average snowfall days in May - Winchester Park, PA
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (5.2 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
Winchester Park, PA

Average daylight in May / Average sunshine in May - Winchester Park, 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 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in May
Winchester Park, PA

Average sunshine days in May - Winchester Park, PA
  • Average sunshine days in May: 11.9 days

The month with the most sunshine days is November (21.2 days).
The month with the least sunshine days is July (10.4 days).

Average UV index in May
Winchester Park, PA

Average UV index in May - Winchester Park, 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, March, November and December (UV index 2).

Average cloud cover in May
Winchester Park, PA

Average cloud cover in May - Winchester Park, PA
  • Average cloud cover in May: 47

The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 33).

Average visibility in May
Winchester Park, PA

Average visibility in May - Winchester Park, PA
  • Average visibility in May: 5mi

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

Winchester Park, Pennsylvania, USA

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