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
The rise of average high-temperatures is seen in May, with an increase from a moderate 60.1°F (15.6°C) in April to a pleasant 71.6°F (22°C). Allison Park's average low-temperature for the month of May records at a cool 51.1°F (10.6°C).Humidity
In May, the average relative humidity 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. In Allison Park, during the entire year, the rain falls for 104.1 days and collects up to 8.23" (209mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Allison Park. May is the last month it regularly snows in Allison Park. During 0.3 snowfall days, in May, Allison Park aggregates 0.04" (1mm) of snow. In Allison Park, during the entire year, snow falls for 33.9 days and aggregates up to 4.37" (111mm) of snow.Daylight
In Allison Park, the average length of the day in May is 14h and 28min.On the first day of May, 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 in Allison Park, Pennsylvania, is 8.7h.UV index
In Allison Park, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index of 5 during May translates into these guidelines:
Ensure safety - Recommendations to avert sunburn are presented. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. To cut down UV radiation exposure by about half, sport a wide-brim hat. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
What are the temperatures in Allison Park in May?
What is the average humidity in May in Allison Park?
How many days does it rain in May in Allison Park?
What is the last month it snows in Allison Park?
What is the average length of the day in May in Allison Park?
When is the sunrise / sunset in May in Allison Park?
How many hours of sunshine does Allison Park have in May?
What is the UV index intensity in May in Allison Park?
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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