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 start of April brings a shift in the average high-temperature, increasing from March's wintry 39.6°F (4.2°C) to a cool 52.9°F (11.6°C). Throughout the month of April, Westerlea witnesses an average temperature of 36.5°F (2.5°C).Humidity
The least humid month is April, with an average relative humidity of 78%.Rainfall
In April, the rain falls for 14.1 days. Throughout April, 1.54" (39mm) of precipitation is accumulated. Throughout the year, there are 141.4 rainfall days, and 16.57" (421mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. April is the last month it regularly snows. During 3.9 snowfall days, in April, Westerlea aggregates 0.94" (24mm) of snow. Throughout the year, in Westerlea, there are 71.7 snowfall days, and 16.5" (419mm) of snow is accumulated.Daylight
In Westerlea, the average length of the day in April is 13h and 26min.On the first day of April, sunrise is at 6:45 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 5:58 am and sunset at 8:05 pm EDT.
Sunshine
The average sunshine in April is 7.1h.UV index
In April, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: In April, a daily maximum UV index of 3 leads to the following instructions:
Heed the precautions - It is counselled to guard against solar damage. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Westerlea in April?
What is the least humid month?
What is the average humidity in April?
How much does it rain in April?
What is the last month it snows in Westerlea?
How many hours of daylight does Westerlea have in April?
When are sunrise and sunset in April?
How many hours of sunshine does Westerlea have in April?
How high is the UV index in April?
Average temperature in April
Westerlea, NY
- Average high temperature in April: 52.9°F
The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (28.4°F).
- Average low temperature in April: 36.5°F
The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in April
Westerlea, 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 (29.92"Hg).
Average wind speed in April
Westerlea, NY
- Average wind speed in April: 9.5mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in April
Westerlea, NY
- Average humidity in April: 78%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is April (78%).
Average rainfall in April
Westerlea, NY
- Average rainfall in April: 1.54"
The wettest month (with the highest rainfall) is May (1.77").
The driest month (with the least rainfall) is September (1.02").
Average rainfall days in April
Westerlea, NY
- Average rainfall days in April: 14.1 days
The months with the highest number of rainy days are May and July (15 days).
The month with the least rainy days is January (6.7 days).
Average snowfall in April
Westerlea, NY
- Average snowfall in April: 0.94"
The months with the highest snowfall are February and December (3.62").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Westerlea, NY
- Average snowfall days in April: 3.9 days
The month with the highest number of snowfall days is January (18.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Westerlea, 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 month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 2h and 24min).
Average sunshine days in April
Westerlea, NY
- Average sunshine days in April: 11 days
The month with the most sunshine days is September (17.2 days).
The month with the least sunshine days is February (7.2 days).
Average UV index in April
Westerlea, 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
Westerlea, NY
- Average cloud cover in April: 54
The months with the most cloud cover are January and February (Cloud cover 74).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in April
Westerlea, NY
- Average visibility in April: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
Westerlea, New York, USA
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