Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
As May sets, the average high-temperature shows an increase, moving up from a moderate 60.1°F (15.6°C) in April to a pleasant 71.6°F (22°C). Throughout the month of May, Allison Park sees a steady low-temperature average of 51.1°F (10.6°C).Humidity
In Allison Park, the average relative humidity in May is 77%.Rainfall
In Allison Park, during May, the rain falls for 12.7 days and regularly aggregates up to 0.87" (22mm) of precipitation. Throughout the year, there are 104.1 rainfall days, and 8.23" (209mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.3 snowfall days, in May, Allison Park aggregates 0.04" (1mm) of snow. Throughout the year, there are 33.9 snowfall days, and 4.37" (111mm) of snow is accumulated.Daylight
The average length of the day in May is 14h and 28min.On the first day of May in Allison Park, sunrise is at 6:17 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 8:43 pm EDT.
Sunshine
The average sunshine in May is 8.7h.UV index
In Allison Park, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 5 during May leads to these advisories:
Take precautions - Protection against sunburn is recommended. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Allison Park in May?
What is the average humidity in May in Allison Park?
How much does it rain in May?
What is the last month it snows?
How many hours of daylight does Allison Park have in May?
When are sunrise and sunset in May?
How many hours of sunshine does Allison Park have in May?
How high is the UV index in May?
Average temperature in May
Allison Park, PA
- Average high temperature in May: 71.6°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 (32.5°F).
- Average low temperature in May: 51.1°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure in May
Allison Park, PA
- Average pressure in May: 29.99"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in May
Allison Park, PA
- Average wind speed in May: 6.1mph
The windiest month (with the highest average wind speed) is January (8mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in May
Allison Park, PA
- Average humidity in May: 77%
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are July and August (75%).
Average rainfall in May
Allison Park, PA
- Average rainfall in May: 0.87"
The wettest months (with the highest rainfall) are June and July (0.91").
The driest months (with the least rainfall) are January and November (0.47").
Average rainfall days in May
Allison Park, PA
- Average rainfall days in May: 12.7 days
The month with the highest number of rainy days is May (12.7 days).
The month with the least rainy days is January (4.5 days).
Average snowfall in May
Allison Park, PA
- Average snowfall in May: 0.04"
The month with the highest snowfall is February (1.18").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Allison Park, PA
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is February (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
Allison Park, 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 4min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in May
Allison Park, PA
- Average sunshine days in May: 14.7 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is May (14.7 days).
Average UV index in May
Allison Park, PA
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Allison Park, 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
Allison Park, PA
- Average visibility in May: 5mi
The months with the highest visibility are April, June, August and November (6mi).
The months with the lowest visibility are January, February, March, May, July, September, October and December (5mi).
Allison Park, Pennsylvania, USA
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