April weather forecast
Lewiston, NY

Weather in April

April is a fresh spring month in Lewiston, New York, with an average temperature fluctuating between 38.1°F (3.4°C) and 50.4°F (10.2°C).

Temperature

In Lewiston, the average high-temperature in April rises from a wintry 39.7°F (4.3°C) in March to a fresh 50.4°F (10.2°C). In April, the average low-temperature is 38.1°F (3.4°C).

Humidity

In Lewiston, the average relative humidity in April is 76%.

Rainfall

In Lewiston, during April, the rain falls for 15.3 days and regularly aggregates up to 2.83" (72mm) of precipitation. Throughout the year, there are 169.3 rainfall days, and 30.31" (770mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Lewiston are January through May, October through December. In Lewiston, snow falls for 3.5 days, with typically accumulated 1.18" (30mm) of snow. Throughout the year, in Lewiston, there are 65.6 snowfall days, and 22.6" (574mm) of snow is accumulated.

Daylight

The average length of the day in April in Lewiston, New York, is 13h and 26min.
On the first day of the month, sunrise is at 6:57 am and sunset at 7:42 pm. On the last day of April, sunrise is at 6:10 am and sunset at 8:15 pm EDT.

Sunshine

In Lewiston, the average sunshine in April is 7.3h.

UV index

In Lewiston, the average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily maximum UV index of 3 in April interpret into the following advice:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in April in Lewiston?

The average high-temperature, in April, in Lewiston, New York, is 50.4°F (10.2°C), while the average low-temperature is 38.1°F (3.4°C).

What is the average humidity in April in Lewiston?

In April, the average relative humidity in Lewiston, New York, is 76%.

How many days does it rain in April in Lewiston?

In Lewiston, New York, in April, during 15.3 rainfall days, 2.83" (72mm) of precipitation is typically accumulated.

How many days does it snow in April in Lewiston?

In Lewiston, in April, during 3.5 snowfall days, 1.18" (30mm) of snow is typically accumulated.

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

In Lewiston, the average day length in April is 13h and 26min.

When is the sunrise / sunset in April in Lewiston?

In April, on the first day of the month, sunrise is at 6:57 am and sunset at 7:42 pm. On the last day of the month, in Lewiston, New York, sunrise is at 6:10 am and sunset at 8:15 pm EDT.

How long on average sun shines in April in Lewiston?

In April, the average sunshine duration in Lewiston, New York, is 7.3h.

How high is the UV index in April in Lewiston?

The average daily maximum UV index in April 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Lewiston, NY

Average temperature in April - Lewiston, NY
  • Average high temperature in April: 50.4°F

The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is January (29.7°F).

  • Average low temperature in April: 38.1°F

The month with the highest average low temperature is August (64.9°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).

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Average pressure in April
Lewiston, NY

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

The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in April
Lewiston, NY

Average wind speed in April - Lewiston, NY
  • Average wind speed in April: 10.1mph

The windiest month (with the highest average wind speed) is January (12.3mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).

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Average humidity in April
Lewiston, NY

Average humidity in April - Lewiston, NY
  • Average humidity in April: 76%

The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are August and September (74%).

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Average rainfall in April
Lewiston, NY

Average rainfall in April - Lewiston, NY
  • Average rainfall in April: 2.83"

The wettest month (with the highest rainfall) is July (3.11").
The driest month (with the least rainfall) is September (1.85").

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Average rainfall days in April
Lewiston, NY

Average rainfall days in April - Lewiston, NY
  • Average rainfall days in April: 15.3 days

The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is February (7.8 days).

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Average snowfall in April
Lewiston, NY

Average snowfall in April - Lewiston, NY
  • Average snowfall in April: 1.18"

The month with the highest snowfall is February (7.13").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in April
Lewiston, NY

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

The month with the highest number of snowfall days is January (16.8 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
Lewiston, NY

Average daylight in April / Average sunshine in April - Lewiston, NY
  • Average daylight in April: 13h and 26min

The month with the longest days is June (Average daylight: 15h and 20min).
The month with the shortest days is December (Average daylight: 9h and 3min).

  • Average sunshine in April: 7h and 18min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).

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Average sunshine days in April
Lewiston, NY

Average sunshine days in April - Lewiston, NY
  • Average sunshine days in April: 11 days

The month with the most sunshine days is September (14 days).
The month with the least sunshine days is January (6.8 days).

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Average UV index in April
Lewiston, NY

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

The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in April
Lewiston, NY

Average cloud cover in April - Lewiston, NY
  • Average cloud cover in April: 51

The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is August (Cloud cover 28).

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Average visibility in April
Lewiston, NY

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

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

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