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
In Schaefferstown, the average high-temperature in May increases from a mild 59°F (15°C) in April to an agreeable 68.9°F (20.5°C). Schaefferstown throughout May, records an average low-temperature of 50.9°F (10.5°C).Humidity
The months with the highest humidity in Schaefferstown, Pennsylvania, are February, May and October, with an average relative humidity of 81%.Rainfall
In Schaefferstown, Pennsylvania, during May, the rain falls for 18.4 days and regularly aggregates up to 3.19" (81mm) of precipitation. Throughout the year, in Schaefferstown, there are 168.8 rainfall days, and 33.27" (845mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.2 snowfall days, in May, Schaefferstown aggregates 0.2" (5mm) of snow. In Schaefferstown, during the entire year, snow falls for 29.6 days and aggregates up to 15.59" (396mm) of snow.Daylight
In May, the average length of the day in Schaefferstown 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 May, the average sunshine in Schaefferstown is 8.2h.UV index
In Schaefferstown, Pennsylvania, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: In May, the average maximum UV index of 5 translates into the following recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Frequently asked questions
What are the temperatures in Schaefferstown in May?
What are the most humid months in Schaefferstown?
What is the average humidity in May in Schaefferstown?
How many days does it rain in May in Schaefferstown?
What is the last month it snows in Schaefferstown?
What is the average length of the day in May in Schaefferstown?
What time are sunrise and sunset in May in Schaefferstown?
How many hours of sunshine does Schaefferstown have in May?
What is the UV index intensity in May in Schaefferstown?
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
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