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
A rise in the average high-temperature is observed during May, moving from a mild 56.8°F (13.8°C) in April to an enjoyable 67.6°F (19.8°C). An average low-temperature of 48.7°F (9.3°C) is recorded in the month of May in Casselman.Humidity
In May, the average relative humidity is 81%.Rainfall
May is the month with the most rainfall. Rain falls for 22.8 days and accumulates 3.94" (100mm) of precipitation.Snowfall
Months with snowfall in Casselman are January through May, October through December. May is the last month it regularly snows in Casselman. During 0.7 snowfall days, in May, Casselman aggregates 0.35" (9mm) of snow. In Casselman, during the entire year, snow falls for 68.3 days and aggregates up to 33.39" (848mm) of snow.Daylight
In Casselman, the average length of the day in May is 14h and 24min.On the first day of May, sunrise is at 6:15 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 5:50 am and sunset at 8:38 pm EDT.
Sunshine
The average sunshine in May in Casselman, Pennsylvania, is 8.2h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index of 5 during May translates into these guidelines:
Be vigilant - A duty to shield skin and eyes from injury exists. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Frequently asked questions
What are May temperatures in Casselman?
What is the average humidity in May in Casselman?
What is the wettest month in Casselman?
How much does it rain in Casselman in May?
What is the last month it snows in Casselman?
How many hours of daylight does Casselman have in May?
When is the sunrise / sunset in May in Casselman?
How many hours of sunshine does Casselman have in May?
When is the highest UV index in Casselman?
What is the UV index reading in May in Casselman?
Average temperature in May
Casselman, PA
- Average high temperature in May: 67.6°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in May: 48.7°F
The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in May
Casselman, PA
- Average pressure in May: 30"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in May
Casselman, PA
- Average wind speed in May: 7.3mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in May
Casselman, PA
- Average humidity in May: 81%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April, June and July (79%).
Average rainfall in May
Casselman, PA
- Average rainfall in May: 3.94"
The wettest month (with the highest rainfall) is May (3.94").
The driest month (with the least rainfall) is November (2.09").
Average rainfall days in May
Casselman, PA
- Average rainfall days in May: 22.8 days
The month with the highest number of rainy days is May (22.8 days).
The month with the least rainy days is January (9.4 days).
Average snowfall in May
Casselman, PA
- Average snowfall in May: 0.35"
The month with the highest snowfall is January (7.44").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Casselman, PA
- Average snowfall days in May: 0.7 days
The month with the highest number of snowfall days is January (17.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Casselman, 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 1min
The months with the most sunshine are July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in May
Casselman, PA
- Average sunshine days in May: 6.2 days
The months with the most sunshine days are October and November (12.5 days).
The month with the least sunshine days is May (6.2 days).
Average UV index in May
Casselman, PA
- 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, February, March, October, November and December (UV index 2).
Average cloud cover in May
Casselman, PA
- Average cloud cover in May: 51
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in May
Casselman, PA
- Average visibility in May: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February and December (4mi).
Casselman, Pennsylvania, USA
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