May weather forecastFern Brook, PA
May
Weather in May
The last month of the spring, May, is an enjoyable month in Fern Brook, Pennsylvania, with an average temperature ranging between max 67.5°F (19.7°C) and min 48°F (8.9°C).Temperature
As May arrives, Fern Brook's weather shows an increase in high-temperatures, moving from April's fresh 55°F (12.8°C) to a refreshing 67.5°F (19.7°C). Fern Brook experiences a mean temperature of 48°F (8.9°C) during May nights.Humidity
The average relative humidity in May is 79%.Rainfall
In Fern Brook, in May, it is raining for 17.8 days, with typically 2.4" (61mm) of accumulated precipitation. In Fern Brook, during the entire year, the rain falls for 154.5 days and collects up to 25.63" (651mm) of precipitation.Snowfall
Months with snowfall in Fern Brook, Pennsylvania, are January through May, October through December. May is the last month it regularly snows. During 0.4 snowfall days, in May, Fern Brook aggregates 0.39" (10mm) of snow. In Fern Brook, during the entire year, snow falls for 58.2 days and aggregates up to 26.1" (663mm) of snow.Daylight
In Fern Brook, the average length of the day in May is 14h and 31min.On the first day of the month, sunrise is at 5:59 am and sunset at 8:01 pm. On the last day of May, sunrise is at 5:32 am and sunset at 8:30 pm EDT.
Sunshine
In May, the average sunshine is 8.1h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 5 in May interprets into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. 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
Average temperature in May
Fern Brook, PA
- Average high temperature in May: 67.5°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (30°F).
- Average low temperature in May: 48°F
The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in May
Fern Brook, 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
Fern Brook, PA
- Average wind speed in May: 6.5mph
The windiest months (with the highest average wind speed) are March and April (8mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in May
Fern Brook, PA
- Average humidity in May: 79%
The months with the highest relative humidity are February and December (84%).
The months with the lowest relative humidity are April, June and July (78%).
Average rainfall in May
Fern Brook, PA
- Average rainfall in May: 2.4"
The wettest month (with the highest rainfall) is August (2.48").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in May
Fern Brook, PA
- Average rainfall days in May: 17.8 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (7.6 days).
Average snowfall in May
Fern Brook, PA
- Average snowfall in May: 0.39"
The month with the highest snowfall is February (7.72").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Fern Brook, PA
- Average snowfall days in May: 0.4 days
The month with the highest number of snowfall days is January (13.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Fern Brook, PA
- Average daylight in May: 14h and 30min
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 6min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in May
Fern Brook, PA
- Average sunshine days in May: 11.1 days
The month with the most sunshine days is September (15.6 days).
The month with the least sunshine days is April (10.3 days).
Average UV index in May
Fern Brook, PA
- Average UV index in May: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Fern Brook, PA
- Average cloud cover in May: 50
The month with the most cloud cover is February (Cloud cover 62).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in May
Fern Brook, 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).





