Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
April's arrival coincides with a temperature rise, moving from March's chilly 45°F (7.2°C) to a refreshing 56.8°F (13.8°C). In April, Casselman experiences a temperature dip to an average of 39°F (3.9°C) at night.Humidity
The months with the lowest humidity are April, June and July, with an average relative humidity of 79%.Rainfall
In Casselman, in April, during 18.5 rainfall days, 3.58" (91mm) of precipitation is typically accumulated. In Casselman, during the entire year, the rain falls for 183.2 days and collects up to 35.94" (913mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Casselman, during April, snow falls for 3.4 days and regularly aggregates up to 1.5" (38mm) 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 April, the average length of the day is 13h and 17min.On the first day of the month, sunrise is at 6:59 am and sunset at 7:41 pm. On the last day of April, sunrise is at 6:17 am and sunset at 8:10 pm EDT.
Sunshine
In April, the average sunshine is 7.4h.UV index
In Casselman, the average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: In April, the UV index of 3 transforms into the following advice:
Exercise prevention - Warding off sunburn is urged. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Casselman in April?
What are the least humid months?
What is the average humidity in April?
How much does it rain in April?
How much does it snow in April?
How many hours of daylight does Casselman have in April?
When are sunrise and sunset in April?
How many hours of sunshine does Casselman have in April?
What is the UV index intensity in April?
Average temperature in April
Casselman, PA
- Average high temperature in April: 56.8°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 April: 39°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 April
Casselman, PA
- Average pressure in April: 29.98"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 April
Casselman, PA
- Average wind speed in April: 8.9mph
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 April
Casselman, PA
- Average humidity in April: 79%
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 April
Casselman, PA
- Average rainfall in April: 3.58"
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 April
Casselman, PA
- Average rainfall days in April: 18.5 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 April
Casselman, PA
- Average snowfall in April: 1.5"
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 April
Casselman, PA
- Average snowfall days in April: 3.4 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 April /
Average sunshine in April
Casselman, PA
- Average daylight in April: 13h 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 April: 7h and 2min
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 April
Casselman, PA
- Average sunshine days in April: 8.3 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 April
Casselman, PA
- Average UV index in April: 3
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 April
Casselman, PA
- Average cloud cover in April: 52
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 April
Casselman, PA
- Average visibility in April: 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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