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
South Lancaster in April experiences an increase in the average high-temperature, moving from March's icy 42.4°F (5.8°C) to a moderate 55.6°F (13.1°C). Throughout April, the average low-temperature records at a cold 38.1°F (3.4°C).Humidity
April is the least humid month, with an average relative humidity of 71%.Rainfall
In April, the rain falls for 13.9 days. Throughout April, 2.64" (67mm) of precipitation is accumulated. In South Lancaster, during the entire year, the rain falls for 150.4 days and collects up to 28.86" (733mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In South Lancaster, during April, snow falls for 1.8 days and regularly aggregates up to 1.85" (47mm) of snow. Throughout the year, there are 36.5 snowfall days, and 23.82" (605mm) of snow is accumulated.Daylight
In April, the average length of the day is 13h and 24min.On the first day of the month, sunrise is at 6:27 am and sunset at 7:13 pm. On the last day of April, sunrise is at 5:41 am and sunset at 7:45 pm EDT.
Sunshine
In April, the average sunshine is 8.1h.UV index
In South Lancaster, the average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 3 in April converts into the following recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for South Lancaster in April?
What is the least humid month?
What is the average humidity in April?
How much does it rain in April?
How much does it snow in April?
What is the average length of the day in April in South Lancaster?
When is the sunrise / sunset in April in South Lancaster?
How many hours of sunshine does South Lancaster have in April?
What is the UV index intensity in April?
Average temperature in April
South Lancaster, MA
- Average high temperature in April: 55.6°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in April: 38.1°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in April
South Lancaster, MA
- Average pressure in April: 29.97"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in April
South Lancaster, MA
- Average wind speed in April: 8mph
The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in April
South Lancaster, MA
- Average humidity in April: 71%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (71%).
Average rainfall in April
South Lancaster, MA
- Average rainfall in April: 2.64"
The wettest month (with the highest rainfall) is December (2.91").
The driest month (with the least rainfall) is September (1.57").
Average rainfall days in April
South Lancaster, MA
- Average rainfall days in April: 13.9 days
The month with the highest number of rainy days is July (16 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in April
South Lancaster, MA
- Average snowfall in April: 1.85"
The month with the highest snowfall is February (6.1").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
South Lancaster, MA
- Average snowfall days in April: 1.8 days
The month with the highest number of snowfall days is February (9.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
South Lancaster, MA
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in April: 8h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in April
South Lancaster, MA
- Average sunshine days in April: 14.5 days
The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is July (12.8 days).
Average UV index in April
South Lancaster, MA
- Average UV index in April: 3
The months with the highest UV index are 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 April
South Lancaster, MA
- Average cloud cover in April: 47
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in April
South Lancaster, MA
- Average visibility in April: 6mi
The months with the highest visibility are March, April, October, November and December (6mi).
The months with the lowest visibility are January, February, May, June, July, August and September (5mi).
South Lancaster, Massachusetts, USA
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