April weather forecast
Greater Rochester International Airport, NY

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Weather in April

April in Greater Rochester International Airport, New York, is a moderate spring month, with an average temperature varying between 35.6°F (2°C) and 55.4°F (13°C).

Temperature

As April begins, there is an increase in the average high-temperature, moving from a chilly 42.8°F (6°C) in March to a mild 55.4°F (13°C). Greater Rochester International Airport observes an average nighttime temperature of 35.6°F (2°C) during April.

Rainfall

In Greater Rochester International Airport, in April, during 13 rainfall days, 2.72" (69mm) of precipitation is typically accumulated. Throughout the year, in Greater Rochester International Airport, New York, there are 152 rainfall days, and 31.89" (810mm) of precipitation is accumulated.

Ocean temperature

In Greater Rochester International Airport, in April, the average water temperature is 37.4°F (3°C).
Note: In connection with swimming, this state is severely cold, hazardous, and lethal. Without protective insulated waterproof garments, hypothermia sets in rapidly.

Daylight

The average length of the day in April in Greater Rochester International Airport is 13h and 26min.
On the first day of April, sunrise is at 6:51 am and sunset at 7:37 pm. On the last day of the month, sunrise is at 6:04 am and sunset at 8:11 pm EDT.

Sunshine

The average sunshine in April is 7h.

UV index

In April, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: In April, the maximum UV index of 5 transforms into these recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
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Frequently asked questions

What is the temperature in April in Greater Rochester International Airport?

In Greater Rochester International Airport, in April, the average high-temperature is 55.4°F (13°C), and the average low-temperature is 35.6°F (2°C).

How many days does it rain in April in Greater Rochester International Airport?

In Greater Rochester International Airport, in April, during 13 rainfall days, 2.72" (69mm) of precipitation is typically accumulated.

What is the water temperature in April in Greater Rochester International Airport?

In Greater Rochester International Airport, the average seawater temperature in April is 37.4°F (3°C). For swimming, this is considered very dangerous and immediately life-threatening. Total loss of breathing control instantly occurs, and clear thinking becomes almost impossible. A specialized swimsuit is obligatory to minimize thermal loss.

How many hours of daylight does Greater Rochester International Airport have in April?

In April, the average day length is 13h and 26min.

When is the sunrise / sunset in April in Greater Rochester International Airport?

On the first day of April in Greater Rochester International Airport, New York, sunrise is at 6:51 am and sunset at 7:37 pm. On the last day of the month, sunrise is at 6:04 am and sunset at 8:11 pm EDT.

How long on average sun shines in April in Greater Rochester International Airport?

The average sunshine duration in April is 7h.

How high is the UV index in April in Greater Rochester International Airport?

In Greater Rochester International Airport, New York, the average daily maximum UV index in April is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from exposure to the Sun's UV radiation.
Average high temperature
Average rainfall days
Average daylight
Average sunshine
Average UV index

Average temperature in April
Greater Rochester International Airport, NY

Average temperature in April - Greater Rochester International Airport, NY
  • Average high temperature in April: 55°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30°F).

  • Average low temperature in April: 36°F

The months with the highest average low temperature are July and August (59°F).
The coldest months (with the lowest average low temperature) are January and February (16°F).

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Average rainfall in April
Greater Rochester International Airport, NY

Average rainfall in April - Greater Rochester International Airport, NY
  • Average rainfall in April: 2.7"

The wettest month (with the highest rainfall) is August (3.3").
The driest months (with the least rainfall) are January and February (2").

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Average rainfall days in April
Greater Rochester International Airport, NY

Average rainfall days in April - Greater Rochester International Airport, NY
  • Average rainfall days in April: 13 days

The month with the highest number of rainy days is December (17 days).
The month with the least rainy days is July (9 days).

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Average sea temperature in April
Greater Rochester International Airport, NY

Average sea temperature in April - Greater Rochester International Airport, NY
  • Average sea temperature in April: 37°F

The best month for swimming (with the highest average sea temperature) is August (70°F).
The coldest months (with the lowest average sea temperature) are February and March (36°F).

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Average daylight in April /
Average sunshine in April
Greater Rochester International Airport, NY

Average daylight in April / Average sunshine in April - Greater Rochester International Airport, 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

The months with the most sunshine are June and July (Average sunshine: 10h).
The months with the least sunshine are January, November and December (Average sunshine: 3h).

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Average UV index in April
Greater Rochester International Airport, NY

Average UV index in April - Greater Rochester International Airport, NY
  • Average UV index in April: 5

The months with the highest UV index are June and July (UV index 8).
The months with the lowest UV index are January and December (UV index 1).

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Greater Rochester International Airport, New York, USA

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