April weather forecast
Ronkonkoma, NY

Weather in April

April is a cool spring month in Ronkonkoma, New York, with an average temperature ranging between min 45.1°F (7.3°C) and max 52.3°F (11.3°C).

Temperature

In Ronkonkoma, the average high-temperature in April slightly increases from a chilly 44.2°F (6.8°C) in March to a cool 52.3°F (11.3°C). The average low-temperature, in April, is 45.1°F (7.3°C).

Humidity

The average relative humidity in April in Ronkonkoma, New York, is 74%.

Rainfall

In Ronkonkoma, during April, the rain falls for 14.1 days and regularly aggregates up to 2.95" (75mm) of precipitation. In Ronkonkoma, during the entire year, the rain falls for 155.3 days and collects up to 34.84" (885mm) of precipitation.

Snowfall

April, June through September and November are months without snowfall.

Daylight

In Ronkonkoma, the average length of the day in April is 13h and 20min.
On the first day of the month, sunrise is at 6:35 am and sunset at 7:16 pm. On the last day of April, in Ronkonkoma, New York, sunrise is at 5:52 am and sunset at 7:47 pm EDT.

Sunshine

In April, the average sunshine is 8.6h.

UV index

In April, the average daily maximum UV index in Ronkonkoma is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The average daily UV index of 3 in April transform into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. 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 Ronkonkoma?

In Ronkonkoma, in April, the average high-temperature is 52.3°F (11.3°C), and the average low-temperature is 45.1°F (7.3°C).

What is the average humidity in April in Ronkonkoma?

In Ronkonkoma, the average relative humidity in April is 74%.

How much does it rain in Ronkonkoma in April?

In April, the rain falls for 14.1 days. Throughout April, 2.95" (75mm) of precipitation is accumulated.

When it does not snow in Ronkonkoma?

In Ronkonkoma, New York, snow does not fall in April, June through September and November.

Does it snow in Ronkonkoma in April?

In April, in Ronkonkoma, it doesn't snow. March is the latest month when it typically snows.

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

In April, the average day length is 13h and 20min.

What time are sunrise and sunset in April in Ronkonkoma?

On the first day of April in Ronkonkoma, New York, sunrise is at 6:35 am and sunset at 7:16 pm. On the last day of the month, sunrise is at 5:52 am and sunset at 7:47 pm EDT.

How long on average sun shines in April in Ronkonkoma?

In April, the average sunshine duration in Ronkonkoma is 8.6h.

What is the UV index reading in April in Ronkonkoma?

In Ronkonkoma, the average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Ronkonkoma, NY

Average temperature in April - Ronkonkoma, NY
  • Average high temperature in April: 52.3°F

The warmest month (with the highest average high temperature) is August (78.1°F).
The month with the lowest average high temperature is January (37.9°F).

  • Average low temperature in April: 45.1°F

The month with the highest average low temperature is August (71.8°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).

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Average pressure in April
Ronkonkoma, NY

Average pressure in April - Ronkonkoma, 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).

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Average wind speed in April
Ronkonkoma, NY

Average wind speed in April - Ronkonkoma, NY
  • Average wind speed in April: 11.9mph

The windiest month (with the highest average wind speed) is January (13.8mph).
The calmest months (with the lowest average wind speed) are July and August (9mph).

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Average humidity in April
Ronkonkoma, NY

Average humidity in April - Ronkonkoma, NY
  • Average humidity in April: 74%

The months with the highest relative humidity are May and June (78%).
The month with the lowest relative humidity is November (71%).

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Average rainfall in April
Ronkonkoma, NY

Average rainfall in April - Ronkonkoma, NY
  • Average rainfall in April: 2.95"

The wettest month (with the highest rainfall) is December (3.74").
The driest month (with the least rainfall) is January (2.17").

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Average rainfall days in April
Ronkonkoma, NY

Average rainfall days in April - Ronkonkoma, NY
  • Average rainfall days in April: 14.1 days

The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is January (8.3 days).

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Average snowfall in April
Ronkonkoma, NY

Average snowfall in April - Ronkonkoma, NY
  • Average snowfall in April: 0"

The month with the highest snowfall is March (2.13").
The months with the least snowfall are April, June, July, August, September and November (0").

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Average snowfall days in April
Ronkonkoma, NY

Average snowfall days in April - Ronkonkoma, NY
  • Average snowfall days in April: 0.2 days

The month with the highest number of snowfall days is February (4.6 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
Ronkonkoma, NY

Average daylight in April / Average sunshine in April - Ronkonkoma, 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).

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Average sunshine days in April
Ronkonkoma, NY

Average sunshine days in April - Ronkonkoma, NY
  • Average sunshine days in April: 14.5 days

The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is July (11.3 days).

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Average UV index in April
Ronkonkoma, NY

Average UV index in April - Ronkonkoma, 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).

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Average cloud cover in April
Ronkonkoma, NY

Average cloud cover in April - Ronkonkoma, 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 27).

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Average visibility in April
Ronkonkoma, NY

Average visibility in April - Ronkonkoma, 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).

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