May weather forecastWestmoreland City, PA
May
Weather in May
The last month of the spring, May, is a pleasant month in Westmoreland City, Pennsylvania, with an average temperature varying between 50°F (10°C) and 71.1°F (21.7°C).Temperature
Entering May, Westmoreland City sees a temperature rise, with the average high-temperature advancing from April's moderate 59.7°F (15.4°C) to a pleasant 71.1°F (21.7°C). Throughout the month of May, Westmoreland City reports a steady low-temperature average of 50°F (10°C).Humidity
In Westmoreland City, Pennsylvania, the average relative humidity in May is 78%.Rainfall
The month with the most rainfall is May, when the rain falls for 20.1 days and typically aggregates up to 3.78" (96mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows in Westmoreland City. During 0.2 snowfall days, in May, Westmoreland City aggregates 0.12" (3mm) of snow. In Westmoreland City, during the entire year, snow falls for 65 days and aggregates up to 28.98" (736mm) of snow.Daylight
The average length of the day in May is 14h and 26min.On the first day of May, sunrise is at 6:16 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 5:50 am and sunset at 8:42 pm EDT.
Sunshine
In May, the average sunshine is 8.8h.UV index
In Westmoreland City, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 5 in May converts into the following recommendations:
Guard yourself - Avoiding sunburn is suggested. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Westmoreland City, PA
- Average high temperature in May: 71.1°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (32.9°F).
- Average low temperature in May: 50°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).
Average pressure in May
Westmoreland City, PA
- Average pressure in May: 30"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in May
Westmoreland City, PA
- Average wind speed in May: 6.3mph
The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in May
Westmoreland City, PA
- Average humidity in May: 78%
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in May
Westmoreland City, PA
- Average rainfall in May: 3.78"
The wettest month (with the highest rainfall) is May (3.78").
The driest month (with the least rainfall) is November (2.09").
Average rainfall days in May
Westmoreland City, PA
- Average rainfall days in May: 20.1 days
The month with the highest number of rainy days is May (20.1 days).
The month with the least rainy days is January (9.5 days).
Average snowfall in May
Westmoreland City, PA
- Average snowfall in May: 0.12"
The month with the highest snowfall is January (7.05").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Westmoreland City, PA
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (18.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Westmoreland City, PA
- Average daylight in May: 14h and 24min
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 48min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in May
Westmoreland City, PA
- Average sunshine days in May: 9.2 days
The month with the most sunshine days is November (14 days).
The month with the least sunshine days is February (6.7 days).
Average UV index in May
Westmoreland City, PA
- Average UV index in May: 5
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Westmoreland City, PA
- Average cloud cover in May: 45
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in May
Westmoreland City, PA
- Average visibility in May: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).
