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 average high-temperature increases in May, moving from a refreshing 57°F (13.9°C) in April to an agreeable 68°F (20°C). Byrnsville encounters an average low-temperature of 49.5°F (9.7°C) during May nights.Humidity
In Byrnsville, the average relative humidity in May is 81%.Rainfall
May is the month with the most rainfall. Rain falls for 18.2 days and accumulates 3.11" (79mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows in Byrnsville, Pennsylvania. During 0.3 snowfall days, in May, Byrnsville aggregates 0.24" (6mm) of snow. In Byrnsville, during the entire year, snow falls for 48.2 days and aggregates up to 24.84" (631mm) of snow.Daylight
The average length of the day in May is 14h and 29min.On the first day of May, sunrise is at 6:02 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 5:36 am and sunset at 8:30 pm EDT.
Sunshine
In May, the average sunshine in Byrnsville is 8.3h.UV index
In Byrnsville, Pennsylvania, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily maximum UV index of 5 in May interprets into the following advice:
Make use of precautions - Suggestions to resist sunburn are communicated. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
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 in Byrnsville?
What is the rainiest month?
How much does it rain in May?
What is the last month it snows?
How many hours of daylight does Byrnsville have in May?
When is the sunrise / sunset in May?
How many hours of sunshine does Byrnsville have in May?
What is the UV index reading in May?
Average temperature in May
Byrnsville, PA
- Average high temperature in May: 68°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.8°F).
- Average low temperature in May: 49.5°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in May
Byrnsville, 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
Byrnsville, 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
Byrnsville, PA
- Average humidity in May: 81%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (77%).
Average rainfall in May
Byrnsville, PA
- Average rainfall in May: 3.11"
The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in May
Byrnsville, PA
- Average rainfall days in May: 18.2 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is January (8.9 days).
Average snowfall in May
Byrnsville, PA
- Average snowfall in May: 0.24"
The month with the highest snowfall is January (5.98").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Byrnsville, PA
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Byrnsville, PA
- Average daylight in May: 14h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in May: 8h and 2min
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 12min).
Average sunshine days in May
Byrnsville, PA
- Average sunshine days in May: 10.4 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is February (10.3 days).
Average UV index in May
Byrnsville, PA
- Average UV index in May: 5
The months with the highest UV index are June and July (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
Byrnsville, PA
- Average cloud cover in May: 48
The months with the most cloud cover are February and December (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in May
Byrnsville, PA
- Average visibility in May: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
Byrnsville, Pennsylvania, USA
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