April weather forecast and climate
Tonawanda, NY

Weather in April

April in Tonawanda, New York, is a fresh spring month, with average temperature varying between 52.3°F (11.3°C) and 37.2°F (2.9°C).

Temperature

In Tonawanda, the average high-temperature rises, from a wintry 40.6°F (4.8°C) in March, to a cool 52.3°F (11.3°C). In Tonawanda, in April, the average low-temperature is 37.2°F (2.9°C).

Humidity

The average relative humidity in Tonawanda is 76%.

Rainfall

In Tonawanda, New York, during 16.1 rainfall days, 2.6" (66mm) of precipitation is typically accumulated. In Tonawanda, during the entire year, the rain falls for 169.2 days and collects up to 28.15" (715mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Tonawanda, snow falls for 4.7 days, with typically accumulated 1.81" (46mm) of snow. Throughout the year, there are 77.2 snowfall days, and 30.94" (786mm) of snow is accumulated.

Ocean temperature

In Tonawanda, in April, the average water temperature is 38.7°F (3.7°C).
Note: For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.

Daylight

In April, the average length of the day in Tonawanda is 13.4h.

Sunshine

The average sunshine in April is 7h.

UV index

The average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from the exposure to the Sun's UV radiation for average individuals.
Note: The daily maximum UV index of 3 in April interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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. 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 Tonawanda?

The average high-temperature, in April, is 52.3°F (11.3°C), while the average low-temperature is 37.2°F (2.9°C).

What is the average humidity in April in Tonawanda?

The average relative humidity in April in Tonawanda is 76%.

How many days does it rain in April in Tonawanda?

In Tonawanda, New York, in April, during 16.1 rainfall days, 2.6" (66mm) of precipitation is typically accumulated.

How much does it snow in Tonawanda in April?

In Tonawanda, New York, during April, snow falls for 4.7 days and regularly aggregates up to 1.81" (46mm) of snow.

How cold is the water in April in Tonawanda?

In Tonawanda, New York, the average seawater temperature in April is 38.7°F (3.7°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 Tonawanda have in April?

The average length of the day in April in Tonawanda is 13.4h.

How long on average sun shines in April in Tonawanda?

In April, the average sunshine is 7h.

How high is the UV index in April in Tonawanda?

The average daily maximum UV index in April in Tonawanda is 3. A UV Index reading of 3 to 5 represents a medium health risk from unprotected exposure to the UV radiation.

Average temperature in April
Tonawanda, NY

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

The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (29.3°F).

  • Average low temperature in April: 37.2°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (19.4°F).

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Average pressure in April
Tonawanda, NY

Average pressure in April - Tonawanda, NY
  • Average pressure in April: 29.97"

The month with the highest atmospheric pressure is November (30.09").
The month with the lowest atmospheric pressure is June (29.92").

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Average wind speed in April
Tonawanda, NY

Average wind speed in April - Tonawanda, NY
  • Average wind speed in April: 9.3mph

The windiest month (with the highest average wind speed) is January (11mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).

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Average humidity in April
Tonawanda, NY

Average humidity in April - Tonawanda, NY
  • Average humidity in April: 76%

Months with the highest relative humidity are January and February (85%).
Months with the lowest relative humidity are July, August and September (74%).

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Average rainfall in April
Tonawanda, NY

Average rainfall in April - Tonawanda, NY
  • Average rainfall in April: 2.6"

The wettest month (with the highest rainfall) is May (2.87").
The driest month (with the least rainfall) is September (1.81").

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Average rainfall days in April
Tonawanda, NY

Average rainfall days in April - Tonawanda, NY
  • Average rainfall days in April: 16.1 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (7.6 days).

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Average snowfall in April
Tonawanda, NY

Average snowfall in April - Tonawanda, NY
  • Average snowfall in April: 1.81"

The month with the highest snowfall is February (7.64").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in April
Tonawanda, NY

Average snowfall days in April - Tonawanda, NY
  • Average snowfall days in April: 4.7 days

The month with the highest number of snowfall days is January (19 days).
Months with the least snowfall days are June, July, August and September (0 days).

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Average sea temperature in April
Tonawanda, NY

Average sea temperature in April - Tonawanda, NY
  • Average sea temperature in April: 38.7°F

The best month for swimming (with the highest average sea temperature) is August (72.9°F).
The coldest month (with the lowest average sea temperature) is March (35.7°F).

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Average daylight in April /
Average sunshine in April
Tonawanda, NY

Average daylight in April / Average sunshine in April - Tonawanda, NY
  • Average daylight in April: 13.4h

The month with the longest days is June (Average daylight: 15.3h).
The month with the shortest days is December (Average daylight: 9.1h).

  • Average sunshine in April: 7h

The month with the most sunshine is July (Average sunshine: 10.3h).
The month with the least sunshine is January (Average sunshine: 2.3h).

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Average sunshine days in April
Tonawanda, NY

Average sunshine days in April - Tonawanda, NY
  • Average sunshine days in April: 10.2 days

The month with the most sunshine days is September (12.5 days).
The month with the least sunshine days is January (6.3 days).

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Average UV index in April
Tonawanda, NY

Average UV index in April - Tonawanda, NY
  • Average UV index in April: 3

The month with the highest UV index is July (UV index 6).
Months with the lowest UV index are January, February and December (UV index 1).

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Average cloud cover in April
Tonawanda, NY

Average cloud cover in April - Tonawanda, NY
  • Average cloud cover in April: 53

The month with the most cloud cover is January (Cloud cover 77).
The month with the least cloud cover is August (Cloud cover 30).

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Average visibility in April
Tonawanda, NY

Average visibility in April - Tonawanda, NY
  • Average visibility in April: 6mi

Months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
Months with the lowest visibility are January, February, March and December (5mi).

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