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 brings a temperature change, with average high-temperatures moving from March's cold 37°F (2.8°C) to a fresh 50.2°F (10.1°C). In the month of April, the average low-temperature usually rests at a cold 32.5°F (0.3°C).Humidity
In April, the average relative humidity is 77%.Rainfall
In Casco, during April, the rain falls for 15.9 days and regularly aggregates up to 3.15" (80mm) of precipitation. Throughout the year, there are 156.2 rainfall days, and 31.02" (788mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Casco, in April, snow falls for 3.9 days, with typically accumulated 4.41" (112mm) of snow. In Casco, during the entire year, snow falls for 54.7 days and aggregates up to 40.2" (1021mm) of snow.Daylight
The average length of the day in April in Casco is 13h and 29min.On the first day of the month, sunrise is at 6:21 am and sunset at 7:09 pm. On the last day of April, sunrise is at 5:33 am and sunset at 7:44 pm EDT.
Sunshine
In Casco, the average sunshine in April is 7.5h.UV index
In Casco, the average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: A typical high UV index of 3 in April suggests the following recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. To avoid the Sun's strongest rays, limit exposure around the mid-day period. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures?
What is the average humidity in April?
How much does it rain in April?
How many days does it snow in April?
How many hours of daylight does Casco have in April?
What time are sunrise and sunset in April?
How long on average sun shines in April?
What is the UV index intensity in April?
Average temperature in April
Casco, ME
- Average high temperature in April: 50.2°F
The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (26.2°F).
- Average low temperature in April: 32.5°F
The month with the highest average low temperature is July (57°F).
The coldest month (with the lowest average low temperature) is January (11.8°F).
Average pressure in April
Casco, ME
- Average pressure in April: 29.95"Hg
The months with the highest atmospheric pressure are September and November (30.05"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in April
Casco, ME
- Average wind speed in April: 6.3mph
The windiest months (with the highest average wind speed) are March and April (6.3mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in April
Casco, ME
- Average humidity in April: 77%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is November (76%).
Average rainfall in April
Casco, ME
- Average rainfall in April: 3.15"
The wettest month (with the highest rainfall) is October (3.31").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in April
Casco, ME
- Average rainfall days in April: 15.9 days
The month with the highest number of rainy days is June (16.6 days).
The month with the least rainy days is February (8.3 days).
Average snowfall in April
Casco, ME
- Average snowfall in April: 4.41"
The month with the highest snowfall is February (10.24").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Casco, ME
- Average snowfall days in April: 3.9 days
The month with the highest number of snowfall days is March (12.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Casco, ME
- Average daylight in April: 13h and 3min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in April: 7h and 3min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in April
Casco, ME
- Average sunshine days in April: 10.6 days
The months with the most sunshine days are September and November (16.7 days).
The months with the least sunshine days are April and June (10.6 days).
Average UV index in April
Casco, ME
- Average UV index in April: 3
The months with the highest UV index are 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
Casco, ME
- Average cloud cover in April: 50
The months with the most cloud cover are February and March (Cloud cover 51).
The months with the least cloud cover are August and September (Cloud cover 37).
Average visibility in April
Casco, ME
- Average visibility in April: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).
Casco, Maine, USA
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