May weather forecast
Cedar Run, PA

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Weather in May

May, the last month of the spring in Cedar Run, is a refreshing month, with temperature in the range of an average high of 67.3°F (19.6°C) and an average low of 46°F (7.8°C).

Temperature

The start of May brings a shift in the average high-temperature, increasing from April's fresh 54.5°F (12.5°C) to a refreshing 67.3°F (19.6°C). Cedar Run throughout May, experiences an average nighttime temperature of 46°F (7.8°C).

Humidity

In May, the average relative humidity is 79%.

Rainfall

In May, the rain falls for 18.6 days. Throughout May, 2.95" (75mm) of precipitation is accumulated. Throughout the year, there are 173.4 rainfall days, and 32.13" (816mm) of precipitation is accumulated.

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, Cedar Run aggregates 0.24" (6mm) of snow. Throughout the year, there are 69.8 snowfall days, and 30.63" (778mm) of snow is accumulated.

Daylight

The average length of the day in May is 14h and 32min.
On the first day of the month, sunrise is at 6:05 am and sunset at 8:08 pm. On the last day of May, sunrise is at 5:38 am and sunset at 8:36 pm EDT.

Sunshine

The average sunshine in May is 7.9h.

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 ordinary individuals.
Note: The UV index of 5 in May translates into these instructions:
Act with care - The suggestion to avoid sunburn is emphasized. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Enhance your sun protection with tightly woven, yet airy clothing. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Updated: Jul 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average May temperature?

In May, the average high-temperature and low-temperature are 67.3°F (19.6°C) and 46°F (7.8°C) respectively.

What is the average humidity in May?

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

How much does it rain in May?

In Cedar Run, in May, during 18.6 rainfall days, 2.95" (75mm) of precipitation is typically accumulated.

What is the last month it snows?

May is the last month it regularly snows. During 0.3 snowfall days, in May, Cedar Run 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 32min.

When is the sunrise / sunset in May?

In May, on the first day of the month, sunrise is at 6:05 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 8:36 pm EDT.

How long on average sun shines in May in Cedar Run?

In May, the average sunshine duration is 7.9h.

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 5.

How high is the UV index in May?

In Cedar Run, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health from exposure to Sun's UV rays.
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
Cedar Run, PA

Average temperature in May - Cedar Run, PA
  • Average high temperature in May: 67.3°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (28.8°F).

  • Average low temperature in May: 46°F

The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).

Average pressure in May
Cedar Run, PA

Average pressure in May - Cedar Run, 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
Cedar Run, PA

Average wind speed in May - Cedar Run, PA
  • Average wind speed in May: 6.6mph

The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity in May
Cedar Run, PA

Average humidity in May - Cedar Run, PA
  • Average humidity in May: 79%

The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are June and July (78%).

Average rainfall in May
Cedar Run, PA

Average rainfall in May - Cedar Run, PA
  • Average rainfall in May: 2.95"

The wettest month (with the highest rainfall) is April (3.62").
The driest month (with the least rainfall) is November (2.17").

Average rainfall days in May
Cedar Run, PA

Average rainfall days in May - Cedar Run, PA
  • Average rainfall days in May: 18.6 days

The month with the highest number of rainy days is July (18.8 days).
The months with the least rainy days are January and February (9.3 days).

Average snowfall in May
Cedar Run, PA

Average snowfall in May - Cedar Run, PA
  • Average snowfall in May: 0.24"

The month with the highest snowfall is February (8.43").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Cedar Run, PA

Average snowfall days in May - Cedar Run, PA
  • Average snowfall days in May: 0.3 days

The month with the highest number of snowfall days is January (17.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Cedar Run, PA

Average daylight in May / Average sunshine in May - Cedar Run, 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 12min).

  • Average sunshine in May: 7h and 5min

The month with the most sunshine is July (Average sunshine: 9h and 36min).
The months with the least sunshine are January and December (Average sunshine: 3h and 0min).

Average sunshine days in May
Cedar Run, PA

Average sunshine days in May - Cedar Run, PA
  • Average sunshine days in May: 10 days

The month with the most sunshine days is September (15.2 days).
The month with the least sunshine days is February (7.6 days).

Average UV index in May
Cedar Run, PA

Average UV index in May - Cedar Run, 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).

Average cloud cover in May
Cedar Run, PA

Average cloud cover in May - Cedar Run, PA
  • Average cloud cover in May: 53

The months with the most cloud cover are January and December (Cloud cover 70).
The month with the least cloud cover is July (Cloud cover 41).

Average visibility in May
Cedar Run, PA

Average visibility in May - Cedar Run, PA
  • Average visibility in May: 5mi

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

Cedar Run, Pennsylvania, USA

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