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 May sets, the average high-temperature shows an increase, moving up from a refreshing 60.1°F (15.6°C) in April to an agreeable 70.7°F (21.5°C). During May, the average low-temperature is a cool 52.3°F (11.3°C).Humidity
The average relative humidity in May in Souderton is 77%.Rainfall
In Souderton, in May, during 17.6 rainfall days, 3.03" (77mm) of precipitation is typically accumulated. Throughout the year, in Souderton, there are 157.1 rainfall days, and 31.73" (806mm) 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, Souderton aggregates 0.47" (12mm) of snow. Throughout the year, in Souderton, there are 26.7 snowfall days, and 14.37" (365mm) of snow is accumulated.Daylight
In May, the average length of the day is 14h and 26min.On the first day of the month, sunrise is at 5:59 am and sunset at 7:57 pm. On the last day of May, sunrise is at 5:33 am and sunset at 8:24 pm EDT.
Sunshine
The average sunshine in May is 8.5h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the average person.Note: The UV index of 6 during May translates into the following guidance:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Frequently asked questions
What are the temperatures in Souderton in May?
What is the average humidity in May in Souderton?
How much does it rain in Souderton in May?
What is the last month it snows in Souderton?
What is the average length of the day in May in Souderton?
When is the sunrise / sunset in May in Souderton?
How many hours of sunshine does Souderton have in May?
When is the highest UV index in Souderton?
What is the UV index reading in May in Souderton?
Average temperature in May
Souderton, PA
- Average high temperature in May: 70.7°F
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in May: 52.3°F
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (23°F).
Average pressure in May
Souderton, PA
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in May
Souderton, PA
- Average wind speed in May: 6.4mph
The windiest month (with the highest average wind speed) is March (8.2mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in May
Souderton, PA
- Average humidity in May: 77%
The month with the highest relative humidity is February (80%).
The months with the lowest relative humidity are April and July (74%).
Average rainfall in May
Souderton, PA
- Average rainfall in May: 3.03"
The wettest months (with the highest rainfall) are July and August (3.07").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in May
Souderton, PA
- Average rainfall days in May: 17.6 days
The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is January (8.8 days).
Average snowfall in May
Souderton, PA
- Average snowfall in May: 0.47"
The month with the highest snowfall is March (4.13").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Souderton, PA
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (8.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Souderton, 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 3min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in May
Souderton, PA
- Average sunshine days in May: 12.2 days
The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is June (11.9 days).
Average UV index in May
Souderton, PA
- Average UV index in May: 6
The months with the highest UV index are May, June, July and August (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
Souderton, 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 32).
Average visibility in May
Souderton, PA
- Average visibility in May: 5mi
The months with the highest visibility are January, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are February, May and September (5mi).
Souderton, Pennsylvania, USA
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