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
McLean's weather shows a temperature rise with the arrival of April, moving from a wintry 39.7°F (4.3°C) in March to a fresh 52.3°F (11.3°C). Nighttime temperature experiences an average drop to a cold 34.9°F (1.6°C) in April.Humidity
April, May and July, with an average relative humidity of 80%, are the least humid months in McLean, New York.Rainfall
In April, in McLean, the rain falls for 16.7 days. Throughout April, 3.27" (83mm) of precipitation is accumulated. In McLean, during the entire year, the rain falls for 165.9 days and collects up to 34.41" (874mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In April, it is snowing for 5.8 days. Throughout April, 2.91" (74mm) of snow is accumulated. In McLean, during the entire year, snow falls for 87.1 days and aggregates up to 39.17" (995mm) of snow.Daylight
The average length of the day in April is 13h and 25min.On the first day of April in McLean, sunrise is at 6:46 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 8:04 pm EDT.
Sunshine
In McLean, the average sunshine in April is 6.6h.UV index
The average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index, 3 in April, converts into the following recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Frequently asked questions
What are the temperatures in McLean in April?
What are the least humid months in McLean?
What is the average humidity in April in McLean?
How much does it rain in McLean in April?
How many days does it snow in April in McLean?
How many hours of daylight does McLean have in April?
What time are sunrise and sunset in April in McLean?
How many hours of sunshine does McLean have in April?
What is the UV index reading in April in McLean?
Average temperature in April
McLean, NY
- Average high temperature in April: 52.3°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (27.3°F).
- Average low temperature in April: 34.9°F
The month with the highest average low temperature is July (57.4°F).
The coldest month (with the lowest average low temperature) is January (16°F).
Average pressure in April
McLean, NY
- Average pressure in April: 29.97"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in April
McLean, NY
- Average wind speed in April: 9.3mph
The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).
Average humidity in April
McLean, NY
- Average humidity in April: 80%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are April, May and July (80%).
Average rainfall in April
McLean, NY
- Average rainfall in April: 3.27"
The wettest month (with the highest rainfall) is June (3.46").
The driest month (with the least rainfall) is January (2.24").
Average rainfall days in April
McLean, NY
- Average rainfall days in April: 16.7 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is January (6.7 days).
Average snowfall in April
McLean, NY
- Average snowfall in April: 2.91"
The month with the highest snowfall is February (9.17").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
McLean, NY
- Average snowfall days in April: 5.8 days
The month with the highest number of snowfall days is January (20.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
McLean, 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: 6h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 2h and 24min).
Average sunshine days in April
McLean, NY
- Average sunshine days in April: 8.8 days
The month with the most sunshine days is September (13.8 days).
The month with the least sunshine days is February (5.1 days).
Average UV index in April
McLean, 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, February and December (UV index 1).
Average cloud cover in April
McLean, NY
- Average cloud cover in April: 57
The month with the most cloud cover is February (Cloud cover 76).
The months with the least cloud cover are July and August (Cloud cover 38).
Average visibility in April
McLean, NY
- Average visibility in April: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).
McLean, New York, USA
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