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 rise of average high-temperatures is seen in May, with an increase from a moderate 60.1°F (15.6°C) in April to an agreeable 70.7°F (21.5°C). In the month of May, the nighttime temperature in Sumneytown, Pennsylvania, dips to a steady average of 52°F (11.1°C).Humidity
In Sumneytown, Pennsylvania, the average relative humidity in May is 78%.Rainfall
In Sumneytown, Pennsylvania, in May, it is raining for 14 days, with typically 1.38" (35mm) of accumulated precipitation. In Sumneytown, during the entire year, the rain falls for 128.6 days and collects up to 15.16" (385mm) of precipitation.Snowfall
January through May, November and December are months with snowfall in Sumneytown. May is the last month it regularly snows. During 0.1 snowfall days, in May, Sumneytown aggregates 0.16" (4mm) of snow. In Sumneytown, during the entire year, snow falls for 17 days and aggregates up to 5.43" (138mm) of snow.Daylight
In Sumneytown, the average length of the day in May is 14h and 26min.On the first day of May in Sumneytown, sunrise is at 6:00 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 5:34 am and sunset at 8:25 pm EDT.
Sunshine
In Sumneytown, Pennsylvania, the average sunshine in May is 8.4h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index in Sumneytown, Pennsylvania. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In May, the UV index of 6 transforms into the following advice:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Frequently asked questions
What are May temperatures in Sumneytown?
What is the average humidity in May in Sumneytown?
How many days does it rain in May in Sumneytown?
What is the last month it snows in Sumneytown?
What is the average length of the day in May in Sumneytown?
When is the sunrise / sunset in May in Sumneytown?
How many hours of sunshine does Sumneytown have in May?
When is the highest UV index in Sumneytown?
What is the UV index intensity in May in Sumneytown?
Average temperature in May
Sumneytown, PA
- Average high temperature in May: 70.7°F
The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in May: 52°F
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).
Average pressure in May
Sumneytown, 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
Sumneytown, PA
- Average wind speed in May: 6.3mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in May
Sumneytown, PA
- Average humidity in May: 78%
The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are April and July (75%).
Average rainfall in May
Sumneytown, PA
- Average rainfall in May: 1.38"
The wettest month (with the highest rainfall) is July (1.97").
The driest month (with the least rainfall) is January (0.87").
Average rainfall days in May
Sumneytown, PA
- Average rainfall days in May: 14 days
The month with the highest number of rainy days is July (15.7 days).
The month with the least rainy days is January (5.7 days).
Average snowfall in May
Sumneytown, PA
- Average snowfall in May: 0.16"
The month with the highest snowfall is March (1.46").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in May
Sumneytown, PA
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is February (5.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Sumneytown, 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 2min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in May
Sumneytown, PA
- Average sunshine days in May: 14.8 days
The month with the most sunshine days is November (21.4 days).
The month with the least sunshine days is July (12.8 days).
Average UV index in May
Sumneytown, 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
Sumneytown, PA
- Average cloud cover in May: 48
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in May
Sumneytown, 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).
Sumneytown, Pennsylvania, USA
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