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
The commencement of May sees a shift in the average high-temperature, moving from a moderate 58.6°F (14.8°C) in April to a pleasant 69.1°F (20.6°C). In Shartlesville, the expected average low-temperature for May is a fresh 50.5°F (10.3°C).Humidity
The average relative humidity in May is 80%.Rainfall
In Shartlesville, in May, during 17.1 rainfall days, 2.64" (67mm) of precipitation is typically accumulated. In Shartlesville, during the entire year, the rain falls for 148.7 days and collects up to 26.42" (671mm) 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, Shartlesville aggregates 0.2" (5mm) of snow. In Shartlesville, during the entire year, snow falls for 26.2 days and aggregates up to 13.58" (345mm) of snow.Daylight
In May, the average length of the day is 14h and 27min.On the first day of May, sunrise is at 6:02 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 5:36 am and sunset at 8:28 pm EDT.
Sunshine
In May, the average sunshine in Shartlesville is 8.1h.UV index
In May, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 5 in May converts into the following recommendations:
Undertake precautions - It is suggested to shield oneself from sunburn. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in May?
What is the average humidity in May?
How much does it rain in May?
What is the last month it snows?
What is the average length of the day in May?
When are sunrise and sunset in May?
How long on average sun shines in May?
How high is the UV index in May?
Average temperature in May
Shartlesville, PA
- Average high temperature in May: 69.1°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 (33.6°F).
- Average low temperature in May: 50.5°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in May
Shartlesville, 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
Shartlesville, PA
- Average wind speed in May: 6.3mph
The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in May
Shartlesville, PA
- Average humidity in May: 80%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (76%).
Average rainfall in May
Shartlesville, PA
- Average rainfall in May: 2.64"
The wettest month (with the highest rainfall) is August (2.87").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days in May
Shartlesville, PA
- Average rainfall days in May: 17.1 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (7.7 days).
Average snowfall in May
Shartlesville, PA
- Average snowfall in May: 0.2"
The month with the highest snowfall is March (3.86").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Shartlesville, PA
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Shartlesville, PA
- Average daylight in May: 14h and 3min
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 18min).
- 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 24min).
Average sunshine days in May
Shartlesville, PA
- Average sunshine days in May: 10.8 days
The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in May
Shartlesville, 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
Shartlesville, PA
- Average cloud cover in May: 49
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in May
Shartlesville, PA
- Average visibility in May: 5mi
The months with the highest visibility are January, March, April, June, July and November (6mi).
The months with the lowest visibility are February, May, August, September, October and December (5mi).
Shartlesville, Pennsylvania, USA
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