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 May, the average high-temperature increases from a mild 60.4°F (15.8°C) in April to a pleasant 70.3°F (21.3°C). An average low-temperature of 53.1°F (11.7°C) is recorded in the month of May in Stewartstown.Humidity
With an average relative humidity of 81%, May is the most humid month.Rainfall
In Stewartstown, during May, the rain falls for 16.8 days and regularly aggregates up to 2.56" (65mm) of precipitation. In Stewartstown, during the entire year, the rain falls for 145.3 days and collects up to 24.88" (632mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.1 snowfall days, in May, Stewartstown aggregates 0.04" (1mm) of snow. Throughout the year, in Stewartstown, there are 19.2 snowfall days, and 10.59" (269mm) of snow is accumulated.Daylight
In May, the average length of the day is 14h and 23min.On the first day of the month, sunrise is at 6:05 am and sunset at 8:00 pm. On the last day of May, in Stewartstown, Pennsylvania, sunrise is at 5:40 am and sunset at 8:28 pm EDT.
Sunshine
The average sunshine in May is 8.5h.UV index
The average daily maximum UV index in May in Stewartstown is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.Note: In May, a regular UV index of 5 translates into these guidelines:
Make use of precautions - It is urged to ward off sun damage. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Frequently asked questions
What is the average May temperature in Stewartstown?
What is the most humid month in Stewartstown?
What is the average humidity in May in Stewartstown?
How much does it rain in Stewartstown in May?
What is the last month it snows in Stewartstown?
How many hours of daylight does Stewartstown have in May?
What time are sunrise and sunset in May in Stewartstown?
How many hours of sunshine does Stewartstown have in May?
How high is the UV index in May in Stewartstown?
Average temperature in May
Stewartstown, PA
- Average high temperature in May: 70.3°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (36.1°F).
- Average low temperature in May: 53.1°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).
Average pressure in May
Stewartstown, 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
Stewartstown, PA
- Average wind speed in May: 6.8mph
The windiest months (with the highest average wind speed) are February and March (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in May
Stewartstown, PA
- Average humidity in May: 81%
The month with the highest relative humidity is May (81%).
The months with the lowest relative humidity are January, March, April and November (76%).
Average rainfall in May
Stewartstown, PA
- Average rainfall in May: 2.56"
The wettest month (with the highest rainfall) is August (3.03").
The driest month (with the least rainfall) is February (1.38").
Average rainfall days in May
Stewartstown, PA
- Average rainfall days in May: 16.8 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (6.5 days).
Average snowfall in May
Stewartstown, PA
- Average snowfall in May: 0.04"
The month with the highest snowfall is March (3.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Stewartstown, PA
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (5.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Stewartstown, PA
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in May: 8h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in May
Stewartstown, PA
- Average sunshine days in May: 11.1 days
The month with the most sunshine days is November (20.1 days).
The month with the least sunshine days is May (11.1 days).
Average UV index in May
Stewartstown, PA
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Stewartstown, PA
- Average cloud cover in May: 46
The months with the most cloud cover are February and March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in May
Stewartstown, PA
- Average visibility in May: 5mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
Stewartstown, Pennsylvania, USA
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