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
With the transition into May, Mount Penn experiences an increase in average high-temperatures, moving up from a moderate 59.5°F (15.3°C) in April to a pleasant 70.3°F (21.3°C). Mount Penn records an average nighttime low of 51.4°F (10.8°C) in May.Humidity
In Mount Penn, the average relative humidity in May is 80%.Rainfall
In Mount Penn, in May, during 15.7 rainfall days, 1.3" (33mm) of precipitation is typically accumulated. Throughout the year, in Mount Penn, there are 129 rainfall days, and 13.5" (343mm) of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall in Mount Penn. May is the last month it regularly snows. During 0.1 snowfall days, in May, Mount Penn aggregates 0.04" (1mm) of snow. Throughout the year, in Mount Penn, Pennsylvania, there are 19.4 snowfall days, and 4.45" (113mm) of snow is accumulated.Daylight
In Mount Penn, the average length of the day in May is 14h and 26min.On the first day of the month, sunrise is at 6:01 am and sunset at 7:59 pm. On the last day of May, in Mount Penn, Pennsylvania, sunrise is at 5:35 am and sunset at 8:26 pm EDT.
Sunshine
The average sunshine in May is 8.4h.UV index
The months with the highest UV index in Mount Penn are May through July, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the average person.Note: The UV index of 6 in May translates into these instructions:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Frequently asked questions
What are May temperatures in Mount Penn?
What is the average humidity in May in Mount Penn?
How much does it rain in Mount Penn in May?
What is the last month it snows in Mount Penn?
What is the average length of the day in May in Mount Penn?
When is the sunrise / sunset in May in Mount Penn?
How long on average sun shines in May in Mount Penn?
What are the months with the highest UV index in Mount Penn?
What is the UV index reading in May in Mount Penn?
Average temperature in May
Mount Penn, PA
- Average high temperature in May: 70.3°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in May: 51.4°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in May
Mount Penn, PA
- Average pressure in May: 30.01"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
Mount Penn, PA
- Average wind speed in May: 6.3mph
The windiest months (with the highest average wind speed) are January and March (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in May
Mount Penn, PA
- Average humidity in May: 80%
The months with the highest relative humidity are February and October (81%).
The month with the lowest relative humidity is April (76%).
Average rainfall in May
Mount Penn, PA
- Average rainfall in May: 1.3"
The wettest month (with the highest rainfall) is August (1.69").
The driest month (with the least rainfall) is February (0.79").
Average rainfall days in May
Mount Penn, PA
- Average rainfall days in May: 15.7 days
The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is January (7.1 days).
Average snowfall in May
Mount Penn, PA
- Average snowfall in May: 0.04"
The month with the highest snowfall is February (1.54").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in May
Mount Penn, PA
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Mount Penn, PA
- Average daylight in May: 14h and 2min
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 2min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in May
Mount Penn, PA
- Average sunshine days in May: 12.3 days
The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is May (12.3 days).
Average UV index in May
Mount Penn, PA
- Average UV index in May: 6
The months with the highest UV index are May, 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
Mount Penn, PA
- Average cloud cover in May: 47
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in May
Mount Penn, PA
- Average visibility in May: 5mi
The months with the highest visibility are January, February, March, April, June, July, August, November and December (6mi).
The months with the lowest visibility are May, September and October (5mi).
Mount Penn, Pennsylvania, USA
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