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
Chalfont's transition into May is marked by a temperature shift, moving from a refreshing 60.4°F (15.8°C) in April to an agreeable 71.2°F (21.8°C). May brings with it a nighttime average temperature of 53.2°F (11.8°C).Humidity
In May, the average relative humidity is 76%.Rainfall
In Chalfont, Pennsylvania, during May, the rain falls for 13.1 days and regularly aggregates up to 1.02" (26mm) of precipitation. Throughout the year, there are 116.6 rainfall days, and 10.63" (270mm) 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, Chalfont aggregates 0.2" (5mm) of snow. In Chalfont, during the entire year, snow falls for 14.8 days and aggregates up to 3.5" (89mm) of snow.Daylight
In May, the average length of the day is 14h and 26min.On the first day of the month, sunrise is at 5:59 am and sunset at 7:56 pm. On the last day of May, sunrise is at 5:33 am and sunset at 8:24 pm EDT.
Sunshine
The average sunshine in May in Chalfont is 8.6h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 6 in May interprets into the following recommendations:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Chalfont in May?
What is the average humidity in May?
How much does it rain in May?
What is the last month it snows?
How many hours of daylight does Chalfont have in May?
When is the sunrise / sunset in May?
How long on average sun shines in May?
What is the month with the highest UV index?
What is the UV index intensity in May in Chalfont?
Average temperature in May
Chalfont, 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 (35.6°F).
- Average low temperature in May: 53.2°F
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).
Average pressure in May
Chalfont, 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
Chalfont, PA
- Average wind speed in May: 6.5mph
The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in May
Chalfont, PA
- Average humidity in May: 76%
The months with the highest relative humidity are February, October and December (79%).
The months with the lowest relative humidity are April, July and August (73%).
Average rainfall in May
Chalfont, PA
- Average rainfall in May: 1.02"
The wettest month (with the highest rainfall) is July (1.3").
The driest month (with the least rainfall) is September (0.59").
Average rainfall days in May
Chalfont, PA
- Average rainfall days in May: 13.1 days
The month with the highest number of rainy days is July (13.8 days).
The months with the least rainy days are January and February (6.3 days).
Average snowfall in May
Chalfont, PA
- Average snowfall in May: 0.2"
The month with the highest snowfall is March (1.02").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in May
Chalfont, PA
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (4.6 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
Chalfont, 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 4min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in May
Chalfont, PA
- Average sunshine days in May: 15.7 days
The month with the most sunshine days is November (22.3 days).
The month with the least sunshine days is July (13.9 days).
Average UV index in May
Chalfont, 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
Chalfont, 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 31).
Average visibility in May
Chalfont, 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).
Chalfont, Pennsylvania, USA
Weather forecast for your location
2. Allow the app to use your location