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
Orviston's transition into May brings a rise in the average high-temperature, moving from a cool 55.2°F (12.9°C) in April to a refreshing 67.8°F (19.9°C). In May, the recorded average low-temperature in Orviston is a frosty 46.2°F (7.9°C).Humidity
The average relative humidity in May in Orviston is 79%.Rainfall
In May, the rain falls for 18.5 days. Throughout May, 3.15" (80mm) of precipitation is accumulated. Throughout the year, in Orviston, there are 179.8 rainfall days, and 32.36" (822mm) of precipitation is accumulated.Snowfall
Months with snowfall in Orviston, Pennsylvania, are January through May, October through December. May is the last month it regularly snows in Orviston. During 0.3 snowfall days, in May, Orviston aggregates 0.2" (5mm) of snow. Throughout the year, there are 65.4 snowfall days, and 28.15" (715mm) of snow is accumulated.Daylight
The average length of the day in May in Orviston is 14h and 30min.On the first day of May, sunrise is at 6:07 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 5:40 am and sunset at 8:36 pm EDT.
Sunshine
In May, the average sunshine is 8.2h.UV index
In Orviston, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In May, a daily maximum UV index of 5 leads to the following instructions:
Be vigilant - A duty to shield skin and eyes from injury exists. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Frequently asked questions
What is the usual temperature for Orviston in May?
What is the average humidity in May in Orviston?
How many days does it rain in May in Orviston?
What is the last month it snows in Orviston?
What is the average length of the day in May in Orviston?
What time are sunrise and sunset in May in Orviston?
How many hours of sunshine does Orviston have in May?
How high is the UV index in May in Orviston?
Average temperature in May
Orviston, PA
- Average high temperature in May: 67.8°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in May: 46.2°F
The month with the highest average low temperature is July (57.2°F).
The coldest month (with the lowest average low temperature) is January (17.2°F).
Average pressure in May
Orviston, PA
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in May
Orviston, PA
- Average wind speed in May: 6.4mph
The windiest month (with the highest average wind speed) is January (8mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in May
Orviston, PA
- Average humidity in May: 79%
The months with the highest relative humidity are February and December (86%).
The month with the lowest relative humidity is July (77%).
Average rainfall in May
Orviston, PA
- Average rainfall in May: 3.15"
The wettest month (with the highest rainfall) is April (3.58").
The driest month (with the least rainfall) is November (2.2").
Average rainfall days in May
Orviston, PA
- Average rainfall days in May: 18.5 days
The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is February (11.1 days).
Average snowfall in May
Orviston, PA
- Average snowfall in May: 0.2"
The month with the highest snowfall is January (7.72").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Orviston, PA
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (17.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Orviston, 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: 9h and 54min).
The months with the least sunshine are January and December (Average sunshine: 3h and 12min).
Average sunshine days in May
Orviston, PA
- Average sunshine days in May: 10.1 days
The month with the most sunshine days is September (14.9 days).
The month with the least sunshine days is February (7.7 days).
Average UV index in May
Orviston, PA
- Average UV index in May: 5
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Orviston, PA
- Average cloud cover in May: 50
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is July (Cloud cover 39).
Average visibility in May
Orviston, PA
- Average visibility in May: 5mi
The months with the highest visibility are March, April, May, June, July, August, October and November (5mi).
The months with the lowest visibility are January, February, September and December (4mi).
Orviston, Pennsylvania, USA
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