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
Chalfant's May weather shows an increase in high-temperatures, moving from April's refreshing 60.1°F (15.6°C) to a pleasant 71.8°F (22.1°C). Chalfant experiences an average temperature drop to a cool 51.1°F (10.6°C) during May nights.Humidity
In Chalfant, the average relative humidity in May is 78%.Rainfall
May is the month with the most rainfall. Rain falls for 18.2 days and accumulates 2.56" (65mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.1 snowfall days, in May, Chalfant aggregates 0.04" (1mm) of snow. In Chalfant, during the entire year, snow falls for 35.4 days and aggregates up to 10.35" (263mm) of snow.Daylight
The average length of the day in May is 14h and 26min.On the first day of May, sunrise is at 6:17 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 8:43 pm EDT.
Sunshine
In Chalfant, the average sunshine in May is 8.8h.UV index
In May, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index of 5 during May translates into these guidelines:
Ensure safety - Recommendations to avert sunburn are presented. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature?
What is the average humidity in May in Chalfant?
What is the wettest month?
How much does it rain in May?
What is the last month it snows?
What is the average length of the day in May?
What time are sunrise and sunset in May?
How many hours of sunshine does Chalfant have in May?
What is the UV index intensity in May in Chalfant?
Average temperature in May
Chalfant, PA
- Average high temperature in May: 71.8°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (33.1°F).
- Average low temperature in May: 51.1°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 (20.7°F).
Average pressure in May
Chalfant, PA
- Average pressure in May: 30"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in May
Chalfant, PA
- Average wind speed in May: 6.1mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in May
Chalfant, PA
- Average humidity in May: 78%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, July and August (76%).
Average rainfall in May
Chalfant, PA
- Average rainfall in May: 2.56"
The wettest month (with the highest rainfall) is May (2.56").
The driest month (with the least rainfall) is November (1.06").
Average rainfall days in May
Chalfant, 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 (7.7 days).
Average snowfall in May
Chalfant, PA
- Average snowfall in May: 0.04"
The month with the highest snowfall is February (2.52").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Chalfant, PA
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Chalfant, 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 18min).
- Average sunshine in May: 8h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in May
Chalfant, PA
- Average sunshine days in May: 10.1 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is May (10.1 days).
Average UV index in May
Chalfant, PA
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Chalfant, PA
- Average cloud cover in May: 44
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in May
Chalfant, PA
- Average visibility in May: 5mi
The months with the highest visibility are April, June, August and November (6mi).
The months with the lowest visibility are January, February, March, May, July, September, October and December (5mi).
Chalfant, Pennsylvania, USA
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