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
Berwyn's May weather shows an increase in high-temperatures, moving from April's cool 52°F (11.1°C) to an enjoyable 65.5°F (18.6°C). In May, the average low-temperature records at a frosty 46.2°F (7.9°C) during the nights.Humidity
April and May, with an average relative humidity of 79%, are the least humid months.Rainfall
The month with the most rainfall is May, when the rain falls for 13.8 days and typically aggregates up to 1.18" (30mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.5 snowfall days, in May, Berwyn aggregates 0.12" (3mm) of snow. In Berwyn, during the entire year, snow falls for 67.3 days and aggregates up to 12.32" (313mm) of snow.Daylight
In May, the average length of the day is 14h and 40min.On the first day of May, sunrise is at 5:57 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 5:28 am and sunset at 8:35 pm EDT.
Sunshine
The average sunshine in May is 8.4h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: A maximum daily UV index of 5 during May morphs into the following directions:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Berwyn in May?
What is the least humid month?
What is the average humidity in May in Berwyn?
What is the rainiest month?
How many days does it rain in May?
What is the last month it snows?
What is the average length of the day in May?
When are sunrise and sunset in May?
How long on average sun shines in May?
What is the month with the highest UV index?
How high is the UV index in May?
Average temperature in May
Berwyn, NY
- Average high temperature in May: 65.5°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in May: 46.2°F
The month with the highest average low temperature is July (58.3°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).
Average pressure in May
Berwyn, NY
- Average pressure in May: 29.99"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Berwyn, NY
- Average wind speed in May: 7.7mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity in May
Berwyn, NY
- Average humidity in May: 79%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are April and May (79%).
Average rainfall in May
Berwyn, NY
- Average rainfall in May: 1.18"
The wettest month (with the highest rainfall) is May (1.18").
The driest month (with the least rainfall) is September (0.63").
Average rainfall days in May
Berwyn, NY
- Average rainfall days in May: 13.8 days
The month with the highest number of rainy days is July (14.5 days).
The month with the least rainy days is January (4.5 days).
Average snowfall in May
Berwyn, NY
- Average snowfall in May: 0.12"
The month with the highest snowfall is November (2.44").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Berwyn, NY
- Average snowfall days in May: 0.5 days
The month with the highest number of snowfall days is February (14.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Berwyn, NY
- Average daylight in May: 14h and 4min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in May: 8h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 2h and 24min).
Average sunshine days in May
Berwyn, NY
- Average sunshine days in May: 13.8 days
The month with the most sunshine days is October (18.2 days).
The months with the least sunshine days are February and July (12.9 days).
Average UV index in May
Berwyn, NY
- Average UV index in May: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in May
Berwyn, NY
- Average cloud cover in May: 46
The month with the most cloud cover is February (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 35).
Average visibility in May
Berwyn, NY
- Average visibility in May: 6mi
The months with the highest visibility are April, May, October, November and December (6mi).
The months with the lowest visibility are January, February, March, June, July, August and September (5mi).
Berwyn, New York, USA
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