April weather forecast
Lancaster, NY

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Weather in April

April in Lancaster, New York, is a cool spring month, with an average temperature varying between 52.7°F (11.5°C) and 36.5°F (2.5°C).

Temperature

With the beginning of April, Lancaster's average high-temperature sees an increase, transitioning from a cold 40.6°F (4.8°C) in March to a cool 52.7°F (11.5°C). During the month of April, an average low-temperature of 36.5°F (2.5°C) is recorded in Lancaster.

Humidity

In April, the average relative humidity in Lancaster, New York, is 77%.

Rainfall

In Lancaster, in April, it is raining for 13.8 days, with typically 1.38" (35mm) of accumulated precipitation. Throughout the year, there are 139.2 rainfall days, and 14.84" (377mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Lancaster. In April, it is snowing for 3.5 days. Throughout April, 0.87" (22mm) of snow is accumulated. In Lancaster, New York, during the entire year, snow falls for 62.1 days and aggregates up to 12.68" (322mm) of snow.

Daylight

In April, the average length of the day is 13h and 25min.
On the first day of April, sunrise is at 6:55 am and sunset at 7:41 pm. On the last day of the month, sunrise is at 6:08 am and sunset at 8:14 pm EDT.

Sunshine

In April, the average sunshine is 7.2h.

UV index

In April, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum UV index of 3 during April leads to these instructions:
Ensure safety - Imperative it is to shield skin and eyes from damage. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
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Frequently asked questions

What is the average April temperature in Lancaster?

In Lancaster, in April, the average high-temperature is 52.7°F (11.5°C), and the average low-temperature is 36.5°F (2.5°C).

What is the average humidity in April in Lancaster?

In Lancaster, the average relative humidity in April is 77%.

How much does it rain in Lancaster in April?

In Lancaster, New York, in April, during 13.8 rainfall days, 1.38" (35mm) of precipitation is typically accumulated.

How much does it snow in Lancaster in April?

In Lancaster, during April, snow falls for 3.5 days and regularly aggregates up to 0.87" (22mm) of snow.

What is the average length of the day in April in Lancaster?

The average day length in April in Lancaster is 13h and 25min.

What time are sunrise and sunset in April in Lancaster?

On the first day of April in Lancaster, sunrise is at 6:55 am and sunset at 7:41 pm. On the last day of the month, sunrise is at 6:08 am and sunset at 8:14 pm EDT.

How long on average sun shines in April in Lancaster?

In April, the average sunshine duration in Lancaster, New York, is 7.2h.

How high is the UV index in April in Lancaster?

The average daily maximum UV index in April in Lancaster, New York, is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unsafe 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, NY

Average temperature in April - Lancaster, NY
  • Average high temperature in April: 52.7°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 (29.3°F).

  • Average low temperature in April: 36.5°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 (18.7°F).

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Average pressure in April
Lancaster, NY

Average pressure in April - Lancaster, NY
  • Average pressure in April: 29.97"Hg

The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in April
Lancaster, NY

Average wind speed in April - Lancaster, NY
  • Average wind speed in April: 9mph

The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).

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Average humidity in April
Lancaster, NY

Average humidity in April - Lancaster, NY
  • Average humidity in April: 77%

The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are July and August (75%).

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Average rainfall in April
Lancaster, NY

Average rainfall in April - Lancaster, NY
  • Average rainfall in April: 1.38"

The wettest month (with the highest rainfall) is July (1.61").
The driest month (with the least rainfall) is September (0.91").

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Average rainfall days in April
Lancaster, NY

Average rainfall days in April - Lancaster, NY
  • Average rainfall days in April: 13.8 days

The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is February (6.4 days).

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Average snowfall in April
Lancaster, NY

Average snowfall in April - Lancaster, NY
  • Average snowfall in April: 0.87"

The months with the highest snowfall are January and February (2.95").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in April
Lancaster, NY

Average snowfall days in April - Lancaster, NY
  • Average snowfall days in April: 3.5 days

The month with the highest number of snowfall days is January (15.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in April /
Average sunshine in April
Lancaster, NY

Average daylight in April / Average sunshine in April - Lancaster, NY
  • Average daylight in April: 13h and 2min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in April: 7h and 1min

The months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).

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Average sunshine days in April
Lancaster, NY

Average sunshine days in April - Lancaster, NY
  • Average sunshine days in April: 12.6 days

The month with the most sunshine days is September (15.5 days).
The month with the least sunshine days is February (10.2 days).

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Average UV index in April
Lancaster, NY

Average UV index in April - Lancaster, NY
  • Average UV index in April: 3

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February and December (UV index 1).

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Average cloud cover in April
Lancaster, NY

Average cloud cover in April - Lancaster, NY
  • Average cloud cover in April: 52

The month with the most cloud cover is January (Cloud cover 77).
The month with the least cloud cover is August (Cloud cover 29).

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Average visibility in April
Lancaster, NY

Average visibility in April - Lancaster, NY
  • Average visibility in April: 6mi

The months with the highest visibility are April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and March (5mi).

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Lancaster, New York, USA

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