May weather forecast
Palmer Heights, PA

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Weather in May

The last month of the spring, May, is a pleasant month in Palmer Heights, Pennsylvania, with an average temperature varying between 69.6°F (20.9°C) and 50.2°F (10.1°C).

Temperature

Palmer Heights's transition into May is marked by a rise in the average high-temperature, advancing from a refreshing 58.6°F (14.8°C) in April to an agreeable 69.6°F (20.9°C). An average low-temperature of 50.2°F (10.1°C) is anticipated throughout the nights in Palmer Heights during May.

Humidity

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

Rainfall

In Palmer Heights, in May, during 17.3 rainfall days, 3.07" (78mm) of precipitation is typically accumulated. Throughout the year, in Palmer Heights, there are 156.5 rainfall days, and 31.97" (812mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.1 snowfall days, in May, Palmer Heights aggregates 0.2" (5mm) of snow. Throughout the year, in Palmer Heights, there are 23.7 snowfall days, and 13.39" (340mm) of snow is accumulated.

Daylight

The average length of the day in May in Palmer Heights is 14h and 28min.
On the first day of May, sunrise is at 5:58 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 5:32 am and sunset at 8:25 pm EDT.

Sunshine

In May, the average sunshine is 8.4h.

UV index

In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.
Note: In May, the UV index of 5 transforms into the following advice:
Take precautions - Protection against skin and eye damage is obliged. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Updated: Feb 13, 2024 | Published by: Weather U.S. | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What is the average May temperature in Palmer Heights?

In May, the average high-temperature and low-temperature in Palmer Heights, Pennsylvania, are 69.6°F (20.9°C) and 50.2°F (10.1°C) respectively.

What is the average humidity in May in Palmer Heights?

The average relative humidity in May in Palmer Heights, Pennsylvania, is 79%.

How many days does it rain in May in Palmer Heights?

In May, the rain falls for 17.3 days. Throughout May, 3.07" (78mm) of precipitation is accumulated.

What is the last month it snows in Palmer Heights?

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

What is the average length of the day in May in Palmer Heights?

The average day length in May in Palmer Heights, Pennsylvania, is 14h and 28min.

When are sunrise and sunset in May in Palmer Heights?

In May, on the first day of the month, sunrise is at 5:58 am and sunset at 7:57 pm. On the last day of the month, in Palmer Heights, Pennsylvania, sunrise is at 5:32 am and sunset at 8:25 pm EDT.

How long on average sun shines in May in Palmer Heights?

The average sunshine duration in May in Palmer Heights, Pennsylvania, is 8.4h.

What is the UV index intensity in May in Palmer Heights?

The average daily maximum UV index in May in Palmer Heights is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unsafe 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
Palmer Heights, PA

Average temperature in May - Palmer Heights, PA
  • Average high temperature in May: 69.6°F

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (34.2°F).

  • Average low temperature in May: 50.2°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

Average pressure in May
Palmer Heights, PA

Average pressure in May - Palmer Heights, 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
Palmer Heights, PA

Average wind speed in May - Palmer Heights, PA
  • Average wind speed in May: 6.2mph

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

Average humidity in May
Palmer Heights, PA

Average humidity in May - Palmer Heights, PA
  • Average humidity in May: 79%

The months with the highest relative humidity are February, October and December (81%).
The months with the lowest relative humidity are April and July (76%).

Average rainfall in May
Palmer Heights, PA

Average rainfall in May - Palmer Heights, PA
  • Average rainfall in May: 3.07"

The wettest month (with the highest rainfall) is July (3.66").
The driest month (with the least rainfall) is September (1.97").

Average rainfall days in May
Palmer Heights, PA

Average rainfall days in May - Palmer Heights, PA
  • Average rainfall days in May: 17.3 days

The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is January (8.1 days).

Average snowfall in May
Palmer Heights, PA

Average snowfall in May - Palmer Heights, PA
  • Average snowfall in May: 0.2"

The month with the highest snowfall is March (4.09").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Palmer Heights, PA

Average snowfall days in May - Palmer Heights, PA
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is February (6.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Palmer Heights, PA

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

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 18min).

  • Average sunshine in May: 8h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days in May
Palmer Heights, PA

Average sunshine days in May - Palmer Heights, PA
  • Average sunshine days in May: 11.9 days

The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is July (10.6 days).

Average UV index in May
Palmer Heights, PA

Average UV index in May - Palmer Heights, PA
  • Average UV index in May: 5

The months with the highest UV index are June and July (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
Palmer Heights, PA

Average cloud cover in May - Palmer Heights, PA
  • Average cloud cover in May: 47

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 34).

Average visibility in May
Palmer Heights, PA

Average visibility in May - Palmer Heights, PA
  • Average visibility in May: 5mi

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

Palmer Heights, Pennsylvania, USA

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