May weather forecastEast Butler, PA
May
Weather in May
May, the last month of the spring in East Butler, is a pleasant month, with an average temperature fluctuating between 49.5°F (9.7°C) and 70.3°F (21.3°C).Temperature
May comes with an increase, with the average high-temperature moving from a mild 58.1°F (14.5°C) in April to an agreeable 70.3°F (21.3°C). During May, East Butler records a consistent average nighttime temperature of 49.5°F (9.7°C).Humidity
In East Butler, the average relative humidity in May is 79%.Rainfall
In East Butler, during May, the rain falls for 20.1 days and regularly aggregates up to 3.78" (96mm) of precipitation. Throughout the year, in East Butler, there are 177.9 rainfall days, and 37.56" (954mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.4 snowfall days, in May, East Butler aggregates 0.28" (7mm) of snow. In East Butler, during the entire year, snow falls for 72.7 days and aggregates up to 31.93" (811mm) of snow.Daylight
In East Butler, the average length of the day in May is 14h and 29min.On the first day of May, sunrise is at 6:16 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 5:49 am and sunset at 8:44 pm EDT.
Sunshine
In East Butler, the average sunshine in May is 8.3h.UV index
The average daily maximum UV index in May in East Butler is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: A maximum high daily UV index of 5 during May translates into the following directions:
Undertake protective steps - Preventing sun damage is advised. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Boost your sun resistance with garments that are densely woven yet spacious. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
East Butler, PA
- Average high temperature in May: 70.3°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in May: 49.5°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in May
East Butler, PA
- Average pressure in May: 29.99"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
East Butler, PA
- Average wind speed in May: 6.3mph
The windiest month (with the highest average wind speed) is January (8.2mph).
The calmest months (with the lowest average wind speed) are July and August (5.1mph).
Average humidity in May
East Butler, PA
- Average humidity in May: 79%
The months with the highest relative humidity are January and February (87%).
The months with the lowest relative humidity are April, July and August (78%).
Average rainfall in May
East Butler, PA
- Average rainfall in May: 3.78"
The wettest month (with the highest rainfall) is April (3.9").
The driest month (with the least rainfall) is November (2.36").
Average rainfall days in May
East Butler, PA
- Average rainfall days in May: 20.1 days
The month with the highest number of rainy days is May (20.1 days).
The month with the least rainy days is January (7.9 days).
Average snowfall in May
East Butler, PA
- Average snowfall in May: 0.28"
The month with the highest snowfall is January (8.5").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
East Butler, PA
- Average snowfall days in May: 0.4 days
The month with the highest number of snowfall days is January (18.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
East Butler, PA
- Average daylight in May: 14h and 30min
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 18min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).
Average sunshine days in May
East Butler, PA
- Average sunshine days in May: 9.1 days
The month with the most sunshine days is November (13.8 days).
The month with the least sunshine days is February (7.1 days).
Average UV index in May
East Butler, PA
- Average UV index in May: 5
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in May
East Butler, PA
- Average cloud cover in May: 48
The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in May
East Butler, PA
- Average visibility in May: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February and December (4mi).





