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 April gives way to May, the average high-temperature displays an increase, moving from an enjoyable 61.2°F (16.2°C) to an agreeable 70.9°F (21.6°C). Jennersville experiences an average low-temperature of 53.6°F (12°C) in month of May.Humidity
The months with the highest humidity are February, May, September, October and December, with an average relative humidity of 79%.Rainfall
In May, the rain falls for 13.9 days. Throughout May, 1.42" (36mm) of precipitation is accumulated. Throughout the year, there are 126.3 rainfall days, and 14.25" (362mm) of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall. May is the last month it regularly snows. During 0.1 snowfall days, in May, Jennersville aggregates 0.12" (3mm) of snow. Throughout the year, there are 15.4 snowfall days, and 4.33" (110mm) of snow is accumulated.Daylight
The average length of the day in May is 14h and 23min.On the first day of May, sunrise is at 6:02 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 5:37 am and sunset at 8:25 pm EDT.
Sunshine
In May, the average sunshine is 8.5h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index in Jennersville. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In May, the UV index of 6 transforms into the following advice:
Resist overexposure. Safeguarding from solar damage is indispensable. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May?
What are the most humid months?
What is the average humidity in May?
How many days does it rain in May?
What is the last month it snows in Jennersville?
What is the average length of the day in May in Jennersville?
What time are sunrise and sunset in May in Jennersville?
How long on average sun shines in May?
When is the highest UV index?
What is the UV index intensity in May?
Average temperature in May
Jennersville, PA
- Average high temperature in May: 70.9°F
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (36.9°F).
- Average low temperature in May: 53.6°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (24.6°F).
Average pressure in May
Jennersville, 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
Jennersville, PA
- Average wind speed in May: 6.7mph
The windiest months (with the highest average wind speed) are February and March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in May
Jennersville, PA
- Average humidity in May: 79%
The months with the highest relative humidity are February, May, September, October and December (79%).
The months with the lowest relative humidity are March and April (75%).
Average rainfall in May
Jennersville, PA
- Average rainfall in May: 1.42"
The wettest month (with the highest rainfall) is August (1.93").
The driest months (with the least rainfall) are January, September and November (0.87").
Average rainfall days in May
Jennersville, PA
- Average rainfall days in May: 13.9 days
The month with the highest number of rainy days is July (14.9 days).
The month with the least rainy days is January (5.9 days).
Average snowfall in May
Jennersville, PA
- Average snowfall in May: 0.12"
The month with the highest snowfall is March (1.26").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in May
Jennersville, PA
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (5.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Jennersville, 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 48min).
Average sunshine days in May
Jennersville, PA
- Average sunshine days in May: 14.4 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is July (12.9 days).
Average UV index in May
Jennersville, 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, November and December (UV index 2).
Average cloud cover in May
Jennersville, 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
Jennersville, PA
- Average visibility in May: 5mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Jennersville, Pennsylvania, USA
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