May weather forecast
Westwood Heights, PA

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Weather in May

The last month of the spring, May, is a pleasant month in Westwood Heights, Pennsylvania, with an average temperature ranging between min 50.5°F (10.3°C) and max 69.4°F (20.8°C).

Temperature

With the onset of May, Westwood Heights sees a temperature rise, with the average high-temperature moving from April's mild 58.3°F (14.6°C) to an agreeable 69.4°F (20.8°C). In the month of May, Westwood Heights witnesses a consistent average low-temperature of 50.5°F (10.3°C).

Humidity

In May, the average relative humidity is 79%.

Rainfall

In May, the rain falls for 16.9 days. Throughout May, 2.76" (70mm) of precipitation is accumulated. In Westwood Heights, during the entire year, the rain falls for 145.1 days and collects up to 27.24" (692mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.1 snowfall days, in May, Westwood Heights aggregates 0.16" (4mm) of snow. Throughout the year, there are 20.4 snowfall days, and 13.82" (351mm) of snow is accumulated.

Daylight

In Westwood Heights, the average length of the day in May is 14h and 28min.
On the first day of the month, sunrise is at 5:59 am and sunset at 7:58 pm. On the last day of May, sunrise is at 5:33 am and sunset at 8:26 pm EDT.

Sunshine

In May, the average sunshine is 8.2h.

UV index

In May, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: The UV index of 5 during May translates into the following guidance:
Make use of precautions - It is urged to ward off sun damage. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Updated: Aug 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Westwood Heights in May?

An average high-temperature, in May, in Westwood Heights, is 69.4°F (20.8°C) and the average low-temperature is 50.5°F (10.3°C).

What is the average humidity in May?

In May, the average relative humidity is 79%.

How much does it rain in May?

In Westwood Heights, during May, the rain falls for 16.9 days and regularly aggregates up to 2.76" (70mm) of precipitation.

What is the last month it snows?

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

What is the average length of the day in May?

In May, the average day length is 14h and 28min.

When is the sunrise / sunset in May?

On the first day of May, sunrise is at 5:59 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 5:33 am and sunset at 8:26 pm EDT.

How many hours of sunshine does Westwood Heights have in May?

The average sunshine duration in May is 8.2h.

What is the UV index intensity in May?

The average daily maximum UV index in May in Westwood Heights is 5. A UV Index of 3 to 5 symbolizes a medium 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
Westwood Heights, PA

Average temperature in May - Westwood Heights, PA
  • Average high temperature in May: 69.4°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (34°F).

  • Average low temperature in May: 50.5°F

The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

Average pressure in May
Westwood Heights, PA

Average pressure in May - Westwood 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
Westwood Heights, PA

Average wind speed in May - Westwood 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 (5mph).

Average humidity in May
Westwood Heights, PA

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

The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are April and July (76%).

Average rainfall in May
Westwood Heights, PA

Average rainfall in May - Westwood Heights, PA
  • Average rainfall in May: 2.76"

The wettest month (with the highest rainfall) is July (3.03").
The driest month (with the least rainfall) is September (1.61").

Average rainfall days in May
Westwood Heights, PA

Average rainfall days in May - Westwood Heights, PA
  • Average rainfall days in May: 16.9 days

The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (6.7 days).

Average snowfall in May
Westwood Heights, PA

Average snowfall in May - Westwood Heights, PA
  • Average snowfall in May: 0.16"

The month with the highest snowfall is March (4.37").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Westwood Heights, PA

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

The month with the highest number of snowfall days is February (6.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Westwood 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 1min

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 24min).

Average sunshine days in May
Westwood Heights, PA

Average sunshine days in May - Westwood Heights, PA
  • Average sunshine days in May: 11.8 days

The month with the most sunshine days is January (20.5 days).
The month with the least sunshine days is May (11.8 days).

Average UV index in May
Westwood Heights, PA

Average UV index in May - Westwood 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
Westwood Heights, PA

Average cloud cover in May - Westwood Heights, PA
  • Average cloud cover in May: 49

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 34).

Average visibility in May
Westwood Heights, PA

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

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

Westwood Heights, Pennsylvania, USA

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