May weather forecastEphrata, PA
May
Weather in May
May, the last month of the spring in Ephrata, is an agreeable month, with an average temperature fluctuating between 51.8°F (11°C) and 69.6°F (20.9°C).Temperature
As May arrives, Ephrata's weather shows an increase in high-temperatures, moving from April's moderate 59.5°F (15.3°C) to a pleasant 69.6°F (20.9°C). Throughout May, the nighttime temperature averages to a fresh 51.8°F (11°C).Humidity
The months with the highest humidity are February, May and October, with an average relative humidity of 81%.Rainfall
In Ephrata, in May, it is raining for 14.6 days, with typically 1.26" (32mm) of accumulated precipitation. In Ephrata, during the entire year, the rain falls for 127.9 days and collects up to 11.69" (297mm) of precipitation.Snowfall
Months with snowfall are January through March, May, November and December. May is the first month it typically snows. Throughout May, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. In Ephrata, during the entire year, snow falls for 18.5 days and aggregates up to 3.86" (98mm) of snow.Daylight
In May, the average length of the day is 14h and 25min.On the first day of the month, sunrise is at 6:03 am and sunset at 8:00 pm. On the last day of May, sunrise is at 5:37 am and sunset at 8:27 pm EDT.
Sunshine
The average sunshine in May in Ephrata is 8.4h.UV index
May through July, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In May, the average maximum UV index of 6 translates into the following recommendations:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Ephrata, PA
- Average high temperature in May: 69.6°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in May: 51.8°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in May
Ephrata, 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
Ephrata, PA
- Average wind speed in May: 6.5mph
The windiest months (with the highest average wind speed) are January and March (8.6mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in May
Ephrata, PA
- Average humidity in May: 81%
The months with the highest relative humidity are February, May and October (81%).
The month with the lowest relative humidity is April (76%).
Average rainfall in May
Ephrata, PA
- Average rainfall in May: 1.26"
The wettest month (with the highest rainfall) is July (1.46").
The driest month (with the least rainfall) is February (0.67").
Average rainfall days in May
Ephrata, PA
- Average rainfall days in May: 14.6 days
The month with the highest number of rainy days is July (14.8 days).
The month with the least rainy days is January (6.5 days).
Average snowfall in May
Ephrata, PA
- Average snowfall in May: 0.04"
The month with the highest snowfall is January (1.18").
The months with the least snowfall are April, June, July, August, September and October (0").
Average snowfall days in May
Ephrata, PA
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (5.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Ephrata, PA
- Average daylight in May: 14h and 24min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in May: 8h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in May
Ephrata, PA
- Average sunshine days in May: 13.3 days
The month with the most sunshine days is November (21 days).
The month with the least sunshine days is July (12.5 days).
Average UV index in May
Ephrata, PA
- Average UV index in May: 6
The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in May
Ephrata, PA
- Average cloud cover in May: 47
The months with the most cloud cover are February and December (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in May
Ephrata, PA
- Average visibility in May: 5mi
The months with the highest visibility are January, February, March, April, June, July, November and December (6mi).
The months with the lowest visibility are May, August, September and October (5mi).





