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
May's arrival signals an increase in average high-temperatures, moving from April's refreshing 57.6°F (14.2°C) to an agreeable 68.5°F (20.3°C). Rismiller's average low-temperature during May nights is observed to be a chilly 49.8°F (9.9°C).Humidity
The average relative humidity in May is 79%.Rainfall
In May, in Rismiller, Pennsylvania, the rain falls for 14.9 days. Throughout May, 1.89" (48mm) of precipitation is accumulated. Throughout the year, there are 139.9 rainfall days, and 19.88" (505mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.2 snowfall days, in May, Rismiller aggregates 0.31" (8mm) of snow. In Rismiller, Pennsylvania, during the entire year, snow falls for 24.7 days and aggregates up to 10.94" (278mm) of snow.Daylight
In May, the average length of the day is 14h and 29min.On the first day of May, sunrise is at 5:58 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 5:31 am and sunset at 8:26 pm EDT.
Sunshine
In Rismiller, the average sunshine in May is 8.3h.UV index
In Rismiller, 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 daily UV index, 5 in May, converts into the following recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature?
What is the average humidity in May?
How many days does it rain in May?
What is the last month it snows?
How many hours of daylight does Rismiller have in May?
When is the sunrise / sunset in May?
How long on average sun shines in May?
What is the UV index intensity in May?
Average temperature in May
Rismiller, PA
- Average high temperature in May: 68.5°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in May: 49.8°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 (20.7°F).
Average pressure in May
Rismiller, PA
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in May
Rismiller, PA
- Average wind speed in May: 6.2mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in May
Rismiller, PA
- Average humidity in May: 79%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (76%).
Average rainfall in May
Rismiller, PA
- Average rainfall in May: 1.89"
The wettest month (with the highest rainfall) is July (2.32").
The driest month (with the least rainfall) is September (1.02").
Average rainfall days in May
Rismiller, PA
- Average rainfall days in May: 14.9 days
The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in May
Rismiller, PA
- Average snowfall in May: 0.31"
The month with the highest snowfall is February (2.52").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Rismiller, PA
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is February (6.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Rismiller, 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 2min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in May
Rismiller, PA
- Average sunshine days in May: 13.1 days
The month with the most sunshine days is January (19.3 days).
The month with the least sunshine days is July (13 days).
Average UV index in May
Rismiller, PA
- Average UV index in May: 5
The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Rismiller, PA
- Average cloud cover in May: 48
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in May
Rismiller, 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).
Rismiller, Pennsylvania, USA
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