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 onset of May, Tri Mills sees a temperature rise, with the average high-temperature moving from April's mild 56.5°F (13.6°C) to an agreeable 68.4°F (20.2°C). May brings Tri Mills a consistent average low-temperature of 48.7°F (9.3°C).Humidity
In Tri Mills, the average relative humidity in May is 80%.Rainfall
The wettest months in Tri Mills are April and May, with an average 2.99" (76mm) of rainfall.Snowfall
Months with snowfall in Tri Mills are January through May, October through December. May is the last month it regularly snows. During 0.3 snowfall days, in May, Tri Mills aggregates 0.28" (7mm) of snow. In Tri Mills, during the entire year, snow falls for 47.6 days and aggregates up to 22.91" (582mm) of snow.Daylight
The average length of the day in May in Tri Mills is 14h and 31min.On the first day of May in Tri Mills, sunrise is at 6:01 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 5:34 am and sunset at 8:31 pm EDT.
Sunshine
In May, the average sunshine is 8.2h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: In May, a daily UV index of 5 turns into the following recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Frequently asked questions
What is the usual temperature for Tri Mills in May?
What is the average humidity in May in Tri Mills?
What is the rainiest month in Tri Mills?
How much does it rain in Tri Mills in May?
What is the last month it snows in Tri Mills?
What is the average length of the day in May in Tri Mills?
When is the sunrise / sunset in May in Tri Mills?
How many hours of sunshine does Tri Mills have in May?
What is the month with the highest UV index in Tri Mills?
What is the UV index reading in May in Tri Mills?
Average temperature in May
Tri Mills, PA
- Average high temperature in May: 68.4°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (31.8°F).
- Average low temperature in May: 48.7°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in May
Tri Mills, 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
Tri Mills, PA
- Average wind speed in May: 6.4mph
The windiest months (with the highest average wind speed) are March and April (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in May
Tri Mills, PA
- Average humidity in May: 80%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (77%).
Average rainfall in May
Tri Mills, PA
- Average rainfall in May: 2.99"
The wettest months (with the highest rainfall) are April and May (2.99").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in May
Tri Mills, PA
- Average rainfall days in May: 17.8 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in May
Tri Mills, PA
- Average snowfall in May: 0.28"
The month with the highest snowfall is January (5.94").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Tri Mills, PA
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (12.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Tri Mills, PA
- Average daylight in May: 14h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
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 12min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in May
Tri Mills, PA
- Average sunshine days in May: 10.4 days
The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is February (9.8 days).
Average UV index in May
Tri Mills, PA
- Average UV index in May: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Tri Mills, PA
- Average cloud cover in May: 49
The months with the most cloud cover are February and December (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in May
Tri Mills, PA
- Average visibility in May: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
Tri Mills, Pennsylvania, USA
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