May weather forecast
Ridley Park, PA

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Weather in May

The last month of the spring, May, is a pleasant month in Ridley Park, Pennsylvania, with an average temperature varying between 72°F (22.2°C) and 55°F (12.8°C).

Temperature

May's onset is marked by a temperature increase, moving from an enjoyable 61.5°F (16.4°C) in April to an agreeable 72°F (22.2°C). Ridley Park reports an average nighttime low-temperature of 55°F (12.8°C) in May.

Humidity

The average relative humidity in May is 76%.

Rainfall

In Ridley Park, in May, during 16.3 rainfall days, 2.32" (59mm) of precipitation is typically accumulated. In Ridley Park, during the entire year, the rain falls for 148.4 days and collects up to 25.94" (659mm) of precipitation.

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, Ridley Park aggregates 0.16" (4mm) of snow. Throughout the year, there are 12.6 snowfall days, and 7.28" (185mm) of snow is accumulated.

Daylight

The average length of the day in May is 14h and 24min.
On the first day of the month, sunrise is at 6:00 am and sunset at 7:56 pm. On the last day of May, sunrise is at 5:34 am and sunset at 8:23 pm EDT.

Sunshine

In Ridley Park, the average sunshine in May is 8.7h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: In May, a regular UV index of 6 translates into these guidelines:
Guard against overexposure. Protection from sun-induced harm is essential. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Updated: Aug 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in May?

In May, the average high-temperature and low-temperature are 72°F (22.2°C) and 55°F (12.8°C) respectively.

What is the average humidity in May?

The average relative humidity in May is 76%.

How much does it rain in May?

In Ridley Park, during May, the rain falls for 16.3 days and regularly aggregates up to 2.32" (59mm) of precipitation.

What is the last month it snows?

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

How many hours of daylight does Ridley Park have in May?

In Ridley Park, the average day length in May is 14h and 24min.

When are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 6:00 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 5:34 am and sunset at 8:23 pm EDT.

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

In May, the average sunshine duration is 8.7h.

What is the month 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 Ridley Park, the average daily maximum UV index in May is 6. A UV Index reading of 6 to 7 represents a high hazard to health 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
Ridley Park, PA

Average temperature in May - Ridley Park, PA
  • Average high temperature in May: 72°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (37.4°F).

  • Average low temperature in May: 55°F

The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).

Average pressure in May
Ridley Park, PA

Average pressure in May - Ridley 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 (29.94"Hg).

Average wind speed in May
Ridley Park, PA

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

The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

Average humidity in May
Ridley Park, PA

Average humidity in May - Ridley Park, PA
  • Average humidity in May: 76%

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

Average rainfall in May
Ridley Park, PA

Average rainfall in May - Ridley Park, PA
  • Average rainfall in May: 2.32"

The wettest month (with the highest rainfall) is August (3.11").
The driest month (with the least rainfall) is January (1.61").

Average rainfall days in May
Ridley Park, PA

Average rainfall days in May - Ridley Park, PA
  • Average rainfall days in May: 16.3 days

The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is January (7.1 days).

Average snowfall in May
Ridley Park, PA

Average snowfall in May - Ridley Park, PA
  • Average snowfall in May: 0.16"

The month with the highest snowfall is March (2.32").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in May
Ridley Park, PA

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

The month with the highest number of snowfall days is February (3.8 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
Ridley Park, PA

Average daylight in May / Average sunshine in May - Ridley 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 4min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

Average sunshine days in May
Ridley Park, PA

Average sunshine days in May - Ridley Park, PA
  • Average sunshine days in May: 12.7 days

The month with the most sunshine days is January (20.8 days).
The month with the least sunshine days is July (11.3 days).

Average UV index in May
Ridley Park, PA

Average UV index in May - Ridley 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, November and December (UV index 2).

Average cloud cover in May
Ridley Park, PA

Average cloud cover in May - Ridley Park, PA
  • Average cloud cover in May: 45

The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 30).

Average visibility in May
Ridley Park, PA

Average visibility in May - Ridley Park, PA
  • Average visibility in May: 6mi

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

Ridley Park, Pennsylvania, USA

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