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 arrival of May signals an increase in the average high-temperature, moving from a fresh 54.3°F (12.4°C) in April to a comfortable 67.5°F (19.7°C). During May, the temperature is averaged to a low of 46.4°F (8°C) at night.Humidity
In May, the average relative humidity is 79%.Rainfall
In May, the rain falls for 18.8 days. Throughout May, 3.23" (82mm) of precipitation is accumulated. In Slate Run, during the entire year, the rain falls for 168.8 days and collects up to 32.56" (827mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows in Slate Run. During 0.7 snowfall days, in May, Slate Run aggregates 0.59" (15mm) of snow. Throughout the year, there are 71.6 snowfall days, and 35.47" (901mm) of snow is accumulated.Daylight
In May, the average length of the day is 14h and 32min.On the first day of the month, sunrise is at 6:05 am and sunset at 8:08 pm. On the last day of May, in Slate Run, Pennsylvania, sunrise is at 5:38 am and sunset at 8:36 pm EDT.
Sunshine
In May, the average sunshine in Slate Run is 7.8h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 5 during May translates into the following directions:
Exercise caution. Those with pale skin may experience burns in less than half an hour. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Frequently asked questions
What are May temperatures in Slate Run?
What is the average humidity in May in Slate Run?
How many days does it rain in May in Slate Run?
What is the last month it snows in Slate Run?
How many hours of daylight does Slate Run have in May?
What time are sunrise and sunset in May in Slate Run?
How long on average sun shines in May in Slate Run?
What are the months with the highest UV index in Slate Run?
How high is the UV index in May in Slate Run?
Average temperature in May
Slate Run, PA
- Average high temperature in May: 67.5°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (29.3°F).
- Average low temperature in May: 46.4°F
The month with the highest average low temperature is July (57.4°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in May
Slate Run, 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
Slate Run, PA
- Average wind speed in May: 6.5mph
The windiest month (with the highest average wind speed) is January (8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in May
Slate Run, PA
- Average humidity in May: 79%
The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is July (77%).
Average rainfall in May
Slate Run, PA
- Average rainfall in May: 3.23"
The wettest month (with the highest rainfall) is April (3.7").
The driest month (with the least rainfall) is November (2.13").
Average rainfall days in May
Slate Run, PA
- Average rainfall days in May: 18.8 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is February (8.4 days).
Average snowfall in May
Slate Run, PA
- Average snowfall in May: 0.59"
The month with the highest snowfall is February (9.84").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Slate Run, PA
- Average snowfall days in May: 0.7 days
The month with the highest number of snowfall days is January (17.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Slate Run, 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 12min).
- Average sunshine in May: 7h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 30min).
The months with the least sunshine are January and December (Average sunshine: 3h and 0min).
Average sunshine days in May
Slate Run, PA
- Average sunshine days in May: 10.2 days
The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is February (7.9 days).
Average UV index in May
Slate Run, PA
- Average UV index in May: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in May
Slate Run, PA
- Average cloud cover in May: 53
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is July (Cloud cover 41).
Average visibility in May
Slate Run, PA
- Average visibility in May: 5mi
The months with the highest visibility are March, April, May, June, July and November (5mi).
The months with the lowest visibility are January, February, August, September, October and December (4mi).
Slate Run, Pennsylvania, USA
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