April weather forecast and climate
Commack, NY

April is a fresh spring month in Commack, New York, with average temperature fluctuating between 53.1°F (11.7°C) and 45°F (7.2°C).

Temperature

In April, the average high-temperature marginally rises, from a chilly 44.2°F (6.8°C) in March, to a cool 53.1°F (11.7°C). The average low-temperature, in April, is 45°F (7.2°C).

Humidity

In Commack, the average relative humidity is 73%.

Rainfall

In April, the rain falls for 14.3 days. Throughout April, 2.99" (76mm) of precipitation is accumulated. In Commack, during the entire year, the rain falls for 155.9 days and collects up to 35.94" (913mm) of precipitation.

Snowfall

In Commack snow does not fall through October.

Daylight

The average length of the day in Commack, New York, is 13.3h.

Sunshine

In April, the average sunshine is 8.6h.

UV index

In April, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 3 interpret into the following advice:
Take precautions - Protection against the skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the temperature in April in Commack?

The average high-temperature, in April, is 53.1°F (11.7°C), while the average low-temperature is 45°F (7.2°C).

What is the average humidity in April in Commack?

In April, the average relative humidity in Commack, New York, is 73%.

How many days does it rain in April in Commack?

In Commack, in April, during 14.3 rainfall days, 2.99" (76mm) of precipitation is typically accumulated.

Does it snow in Commack in April?

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

When it does not snow in Commack?

April through October are months without snowfall in Commack, New York.

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

In Commack, New York, the average length of the day in April is 13.3h.

How long on average sun shines in April in Commack?

In Commack, the average sunshine in April is 8.6h.

What is the UV index reading in April in Commack?

The average daily maximum UV index in April in Commack is 3. A UV Index value of 3 to 5 symbolizes a medium health risk from unsafe exposure to the Sun's UV rays.
Average temperature in April - Commack, NY
  • Average high temperature in April: 11.7°C

The warmest month (with the highest average high temperature) is July (26.3°C).
The month with the lowest average high temperature is January (3.1°C).

  • Average low temperature in April: 7.2°C

The month with the highest average low temperature is August (22°C).
The coldest month (with the lowest average low temperature) is January (-1.7°C).

Average pressure in April - Commack, NY
  • Average pressure in April: 1015.3mbar

The month with the highest atmospheric pressure is November (1019.1mbar).
The month with the lowest atmospheric pressure is June (1013.6mbar).

Average wind speed in April - Commack, NY
  • Average wind speed in April: 17.9km/h

The windiest month (with the highest average wind speed) is January (20.6km/h).
The calmest month (with the lowest average wind speed) is July (13.3km/h).

Average humidity in April - Commack, 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 - Commack, NY
  • Average rainfall in April: 76mm

The wettest month (with the highest rainfall) is July (100mm).
The driest month (with the least rainfall) is January (56mm).

Average rainfall days in April - Commack, 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 - Commack, NY
  • Average snowfall in April: 0mm

The month with the highest snowfall is March (47mm).
Months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in April - Commack, NY
  • Average snowfall days in April: 0.1 days

The month with the highest number of snowfall days is February (4.8 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in April / Average sunshine in April - Commack, NY
  • Average daylight in April: 13.3h

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in April: 8.6h

The month with the most sunshine is July (Average sunshine: 10.8h).
The month with the least sunshine is February (Average sunshine: 4.8h).

Average sunshine days in April - Commack, 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 - Commack, NY
  • Average UV index in April: 3

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, February, March and December (UV index 2).

Average cloud cover in April - Commack, 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 - Commack, NY
  • Average visibility in April: 9km

Months with the highest visibility are June, July, August, September, October and November (10km).
Months with the lowest visibility are January, February, March, April, May and December (9km).