April weather forecast
Lancaster, MA

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Weather in April

April in Lancaster, Massachusetts, is a moderate spring month, with an average temperature fluctuating between 38.1°F (3.4°C) and 55.6°F (13.1°C).

Temperature

The transition from March to April brings a temperature rise, with average high-temperatures increasing from a cold 42.4°F (5.8°C) to a moderate 55.6°F (13.1°C). Lancaster cools down to an average low-temperature of 38.1°F (3.4°C) throughout the month of April.

Humidity

The least humid month is April, with an average relative humidity of 71%.

Rainfall

In Lancaster, in April, during 13.9 rainfall days, 2.64" (67mm) of precipitation is typically accumulated. Throughout the year, in Lancaster, there are 150.4 rainfall days, and 28.86" (733mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In Lancaster, in April, snow falls for 1.8 days, with typically accumulated 1.85" (47mm) of snow. Throughout the year, there are 36.5 snowfall days, and 23.82" (605mm) of snow is accumulated.

Daylight

In Lancaster, the average length of the day in April is 13h and 24min.
On the first day of April, sunrise is at 6:27 am and sunset at 7:13 pm. On the last day of the month, sunrise is at 5:41 am and sunset at 7:45 pm EDT.

Sunshine

In Lancaster, the average sunshine in April is 8.1h.

UV index

The average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.
Note: A maximum high daily UV index of 3 during April translates into the following directions:
Ensure safety - Imperative it is to shield skin and eyes from damage. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Updated: Jun 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in April?

In Lancaster, 55.6°F (13.1°C) is the average high-temperature and 38.1°F (3.4°C) is the average low-temperature during April.

What is the least humid month?

April is the least humid month, with an average relative humidity of 71%.

What is the average humidity in April?

In April, the average relative humidity is 71%.

How many days does it rain in April?

In Lancaster, in April, during 13.9 rainfall days, 2.64" (67mm) of precipitation is typically accumulated.

How much does it snow in April?

In Lancaster, during April, snow falls for 1.8 days and regularly aggregates up to 1.85" (47mm) of snow.

How many hours of daylight does Lancaster have in April?

In April, the average day length is 13h and 24min.

When is the sunrise / sunset in April?

On the first day of April, sunrise is at 6:27 am and sunset at 7:13 pm. On the last day of the month, sunrise is at 5:41 am and sunset at 7:45 pm EDT.

How many hours of sunshine does Lancaster have in April?

In Lancaster, the average sunshine duration in April is 8.1h.

What is the UV index intensity in April?

The average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Lancaster, MA

Average temperature in April - 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
Lancaster, MA

Average pressure in April - 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
Lancaster, MA

Average wind speed in April - 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
Lancaster, MA

Average humidity in April - 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
Lancaster, MA

Average rainfall in April - 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
Lancaster, MA

Average rainfall days in April - 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
Lancaster, MA

Average snowfall in April - 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
Lancaster, MA

Average snowfall days in April - 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
Lancaster, MA

Average daylight in April / Average sunshine in April - 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
Lancaster, MA

Average sunshine days in April - 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
Lancaster, MA

Average UV index in April - 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
Lancaster, MA

Average cloud cover in April - 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
Lancaster, MA

Average visibility in April - 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).

Lancaster, Massachusetts, USA

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