May weather forecastChesterbrook, PA
May
Weather in May
May, the last month of the spring in Chesterbrook, is an agreeable month, with an average temperature ranging between min 53.8°F (12.1°C) and max 71.2°F (21.8°C).Temperature
As Chesterbrook, Pennsylvania, enters May, the average high-temperature increases from the an enjoyable 61°F (16.1°C) of April to a pleasant 71.2°F (21.8°C). An average low-temperature of 53.8°F (12.1°C) is recorded during the nights in May.Humidity
In Chesterbrook, Pennsylvania, the average relative humidity in May is 76%.Rainfall
In May, the rain falls for 15.1 days. Throughout May, 1.89" (48mm) of precipitation is accumulated. Throughout the year, in Chesterbrook, there are 138.1 rainfall days, and 20.79" (528mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.2 snowfall days, in May, Chesterbrook aggregates 0.2" (5mm) of snow. Throughout the year, in Chesterbrook, there are 19.3 snowfall days, and 7.68" (195mm) of snow is accumulated.Daylight
In Chesterbrook, the average length of the day in May is 14h and 25min.On the first day of the month, sunrise is at 6:00 am and sunset at 7:57 pm. On the last day of May, sunrise is at 5:34 am and sunset at 8:24 pm EDT.
Sunshine
In Chesterbrook, Pennsylvania, the average sunshine in May is 8.2h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 6 in May translates into these instructions:
Stay clear of intense sun exposure. Solar protection is of utmost significance. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Chesterbrook, PA
- Average high temperature in May: 71.2°F
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (36.5°F).
- Average low temperature in May: 53.8°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in May
Chesterbrook, 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
Chesterbrook, PA
- Average wind speed in May: 6.6mph
The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in May
Chesterbrook, PA
- Average humidity in May: 76%
The months with the highest relative humidity are February and October (79%).
The months with the lowest relative humidity are April, July and August (73%).
Average rainfall in May
Chesterbrook, PA
- Average rainfall in May: 1.89"
The wettest month (with the highest rainfall) is August (2.72").
The driest months (with the least rainfall) are January, February and November (1.3").
Average rainfall days in May
Chesterbrook, PA
- Average rainfall days in May: 15.1 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in May
Chesterbrook, PA
- Average snowfall in May: 0.2"
The month with the highest snowfall is March (1.93").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Chesterbrook, PA
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (6.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Chesterbrook, PA
- Average daylight in May: 14h and 24min
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 12min
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 30min).
Average sunshine days in May
Chesterbrook, PA
- Average sunshine days in May: 13.5 days
The month with the most sunshine days is November (20.1 days).
The month with the least sunshine days is July (12.7 days).
Average UV index in May
Chesterbrook, 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
Chesterbrook, PA
- Average cloud cover in May: 49
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in May
Chesterbrook, 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).
