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 shift from March to April is marked by a slight increase in the average high-temperature, moving from a chilly 44.2°F (6.8°C) to a cool 53.1°F (11.7°C). The temperature during April nights demonstrates a small drop from the daytime highs, settling to an average of 45°F (7.2°C).Humidity
In Smithtown, the average relative humidity in April is 73%.Rainfall
In Smithtown, in April, during 14.3 rainfall days, 2.99" (76mm) of precipitation is typically accumulated. In Smithtown, during the entire year, the rain falls for 155.9 days and collects up to 35.94" (913mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in April in Smithtown is 13h and 20min.On the first day of the month, sunrise is at 6:34 am and sunset at 7:18 pm. On the last day of April, in Smithtown, sunrise is at 5:51 am and sunset at 7:48 pm EDT.
Sunshine
In Smithtown, New York, the average sunshine in April is 8.6h.UV index
In April, the average daily maximum UV index in Smithtown, New York, is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: In April, the maximum UV index of 3 transforms into these recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Frequently asked questions
What is the average April temperature in Smithtown?
What is the average humidity in April in Smithtown?
How many days does it rain in April in Smithtown?
When it does not snow in Smithtown?
Does it snow in Smithtown in April?
How many hours of daylight does Smithtown have in April?
What time are sunrise and sunset in April in Smithtown?
How long on average sun shines in April in Smithtown?
What is the UV index intensity in April in Smithtown?
Average temperature in April
Smithtown, NY
- Average high temperature in April: 53.1°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 (37.6°F).
- Average low temperature in April: 45°F
The month with the highest average low temperature is August (71.6°F).
The coldest month (with the lowest average low temperature) is January (28.9°F).
Average pressure in April
Smithtown, NY
- Average pressure in April: 29.98"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).
Average wind speed in April
Smithtown, NY
- Average wind speed in April: 11.1mph
The windiest month (with the highest average wind speed) is January (12.8mph).
The calmest month (with the lowest average wind speed) is July (8.3mph).
Average humidity in April
Smithtown, NY
- Average humidity in April: 73%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is November (71%).
Average rainfall in April
Smithtown, NY
- Average rainfall in April: 2.99"
The wettest month (with the highest rainfall) is July (3.94").
The driest month (with the least rainfall) is January (2.2").
Average rainfall days in April
Smithtown, NY
- Average rainfall days in April: 14.3 days
The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in April
Smithtown, NY
- Average snowfall in April: 0"
The month with the highest snowfall is March (1.85").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in April
Smithtown, NY
- Average snowfall days in April: 0.1 days
The month with the highest number of snowfall days is February (4.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Smithtown, NY
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in April: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in April
Smithtown, NY
- Average sunshine days in April: 14.3 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is July (11.4 days).
Average UV index in April
Smithtown, NY
- Average UV index in April: 3
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March and December (UV index 2).
Average cloud cover in April
Smithtown, NY
- Average cloud cover in April: 43
The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in April
Smithtown, NY
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Smithtown, New York, USA
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