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
The commencement of April sees a shift in the average high-temperature, moving from an icy 36.3°F (2.4°C) in March to a fresh 50.4°F (10.2°C). During the month of April, an average low-temperature of 32.5°F (0.3°C) is recorded.Humidity
The average relative humidity in April in Lewis is 76%.Rainfall
In April, the rain falls for 17.8 days. Throughout April, 2.6" (66mm) of precipitation is accumulated. In Lewis, during the entire year, the rain falls for 176.9 days and collects up to 28.27" (718mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Lewis, New York, during April, snow falls for 5.5 days and regularly aggregates up to 2.32" (59mm) of snow. Throughout the year, there are 85.1 snowfall days, and 43.03" (1093mm) of snow is accumulated.Daylight
In Lewis, the average length of the day in April is 13h and 29min.On the first day of April, sunrise is at 6:33 am and sunset at 7:21 pm. On the last day of the month, sunrise is at 5:45 am and sunset at 7:57 pm EDT.
Sunshine
In Lewis, the average sunshine in April is 7.6h.UV index
In Lewis, the average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: A maximum UV index of 3 in April translates into the following recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. To avoid the Sun's strongest rays, limit exposure around the mid-day period. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in April?
What is the average humidity in April?
How many days does it rain in April?
How much does it snow in April?
What is the average length of the day in April in Lewis?
When are sunrise and sunset in April?
How many hours of sunshine does Lewis have in April?
What is the UV index reading in April?
Average temperature in April
Lewis, NY
- Average high temperature in April: 50.4°F
The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (24.8°F).
- Average low temperature in April: 32.5°F
The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (12.4°F).
Average pressure in April
Lewis, NY
- Average pressure in April: 29.96"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in April
Lewis, NY
- Average wind speed in April: 6.9mph
The windiest month (with the highest average wind speed) is April (6.9mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in April
Lewis, NY
- Average humidity in April: 76%
The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is May (75%).
Average rainfall in April
Lewis, NY
- Average rainfall in April: 2.6"
The wettest month (with the highest rainfall) is June (3.19").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days in April
Lewis, NY
- Average rainfall days in April: 17.8 days
The month with the highest number of rainy days is July (18.6 days).
The month with the least rainy days is February (10.4 days).
Average snowfall in April
Lewis, NY
- Average snowfall in April: 2.32"
The month with the highest snowfall is February (12.05").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Lewis, NY
- Average snowfall days in April: 5.5 days
The month with the highest number of snowfall days is January (19.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Lewis, NY
- Average daylight in April: 13h and 3min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in April: 7h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in April
Lewis, NY
- Average sunshine days in April: 10.1 days
The month with the most sunshine days is September (16.7 days).
The month with the least sunshine days is February (7.6 days).
Average UV index in April
Lewis, NY
- Average UV index in April: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in April
Lewis, NY
- Average cloud cover in April: 51
The month with the most cloud cover is February (Cloud cover 62).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in April
Lewis, NY
- 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).
Lewis, New York, USA
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