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
May's onset brings a temperature rise, moving from an enjoyable 61.7°F (16.5°C) in April to a pleasant 71.8°F (22.1°C). Bryn Athyn's average low-temperature in May is measured at a fresh 54.5°F (12.5°C).Humidity
In May, the average relative humidity is 75%.Rainfall
In May, the rain falls for 17.3 days. Throughout May, 2.8" (71mm) of precipitation is accumulated. Throughout the year, there are 153.8 rainfall days, and 30.94" (786mm) 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, Bryn Athyn aggregates 0.2" (5mm) of snow. In Bryn Athyn, during the entire year, snow falls for 16.8 days and aggregates up to 8.5" (216mm) of snow.Daylight
In May, the average length of the day is 14h and 25min.On the first day of the month, sunrise is at 5:58 am and sunset at 7:55 pm. On the last day of May, sunrise is at 5:33 am and sunset at 8:23 pm EDT.
Sunshine
The average sunshine in May in Bryn Athyn is 8.4h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index, 6 during May, leads to the following recommendations:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. 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. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Bryn Athyn in May?
What is the average humidity in May in Bryn Athyn?
How many days does it rain in May?
What is the last month it snows in Bryn Athyn?
How many hours of daylight does Bryn Athyn have in May?
When are sunrise and sunset in May?
How long on average sun shines in May?
What are the months with the highest UV index?
How high is the UV index in May?
Average temperature in May
Bryn Athyn, PA
- Average high temperature in May: 71.8°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (37.4°F).
- Average low temperature in May: 54.5°F
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in May
Bryn Athyn, 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 (29.93"Hg).
Average wind speed in May
Bryn Athyn, PA
- Average wind speed in May: 6.8mph
The windiest months (with the highest average wind speed) are March and April (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in May
Bryn Athyn, PA
- Average humidity in May: 75%
The months with the highest relative humidity are February and October (77%).
The months with the lowest relative humidity are April, July and August (71%).
Average rainfall in May
Bryn Athyn, PA
- Average rainfall in May: 2.8"
The wettest month (with the highest rainfall) is July (3.39").
The driest month (with the least rainfall) is January (1.89").
Average rainfall days in May
Bryn Athyn, PA
- Average rainfall days in May: 17.3 days
The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is November (7.5 days).
Average snowfall in May
Bryn Athyn, PA
- Average snowfall in May: 0.2"
The month with the highest snowfall is March (2.76").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in May
Bryn Athyn, PA
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (5.2 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Bryn Athyn, 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 42min).
Average sunshine days in May
Bryn Athyn, PA
- Average sunshine days in May: 11.9 days
The month with the most sunshine days is November (21.2 days).
The month with the least sunshine days is July (10.4 days).
Average UV index in May
Bryn Athyn, 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
Bryn Athyn, PA
- Average cloud cover in May: 47
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in May
Bryn Athyn, 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).
Bryn Athyn, Pennsylvania, USA
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