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
As April transitions into May, Schaefferstown sees a rise in the average high-temperature, moving from a refreshing 59°F (15°C) to an agreeable 68.9°F (20.5°C). In the month of May, the average temperature dips to a fresh 50.9°F (10.5°C) during the night.Humidity
The months with the highest humidity are February, May and October, with an average relative humidity of 81%.Rainfall
In Schaefferstown, in May, during 18.4 rainfall days, 3.19" (81mm) of precipitation is typically accumulated. Throughout the year, there are 168.8 rainfall days, and 33.27" (845mm) 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, Schaefferstown aggregates 0.2" (5mm) of snow. Throughout the year, there are 29.6 snowfall days, and 15.59" (396mm) of snow is accumulated.Daylight
The average length of the day in May is 14h and 26min.On the first day of May, sunrise is at 6:03 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 5:37 am and sunset at 8:28 pm EDT.
Sunshine
In Schaefferstown, the average sunshine in May is 8.2h.UV index
In May, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The daily maximum UV index of 5 in May interprets into the following advice:
Make use of precautions - Shielding skin and eyes from injury is a requirement. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Stay sun-safe with clothing that is both closely woven and worn loosely. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May?
What are the most humid months?
What is the average humidity in May?
How much does it rain in Schaefferstown in May?
What is the last month it snows?
How many hours of daylight does Schaefferstown have in May?
When is the sunrise / sunset in May?
How long on average sun shines in May?
What is the UV index reading in May?
Average temperature in May
Schaefferstown, PA
- Average high temperature in May: 68.9°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (33.6°F).
- Average low temperature in May: 50.9°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).
Average pressure in May
Schaefferstown, 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
Schaefferstown, PA
- Average wind speed in May: 6.5mph
The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in May
Schaefferstown, 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
Schaefferstown, PA
- Average rainfall in May: 3.19"
The wettest month (with the highest rainfall) is August (3.39").
The driest month (with the least rainfall) is September (2.24").
Average rainfall days in May
Schaefferstown, PA
- Average rainfall days in May: 18.4 days
The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in May
Schaefferstown, PA
- Average snowfall in May: 0.2"
The month with the highest snowfall is March (4.49").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Schaefferstown, PA
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (9.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Schaefferstown, PA
- Average daylight in May: 14h and 2min
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 1min
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
Schaefferstown, PA
- Average sunshine days in May: 10.2 days
The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is May (10.2 days).
Average UV index in May
Schaefferstown, PA
- Average UV index in May: 5
The month with the highest UV index is June (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
Schaefferstown, 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 32).
Average visibility in May
Schaefferstown, PA
- Average visibility in May: 5mi
The months with the highest visibility are January, March, April, June, July, November and December (6mi).
The months with the lowest visibility are February, May, August, September and October (5mi).
Schaefferstown, Pennsylvania, USA
Weather forecast for your location
2. Allow the app to use your location