April weather forecast
Katonah, NY

Weather in April

April is a moderate spring month in Katonah, New York, with temperature in the range of an average low of 41.7°F (5.4°C) and an average high of 56.8°F (13.8°C).

Temperature

In Katonah, the average high-temperature in April rises from a chilly 45°F (7.2°C) in March to a mild 56.8°F (13.8°C). In Katonah, the average low-temperature is 41.7°F (5.4°C).

Humidity

With an average relative humidity of 72%, April is the least humid month in Katonah, New York.

Rainfall

In Katonah, it is raining for 13 days, with typically 1.81" (46mm) of accumulated precipitation. In Katonah, during the entire year, the rain falls for 144.2 days and collects up to 22.32" (567mm) of precipitation.

Snowfall

Months with snowfall in Katonah, New York, are January through May, October through December. In Katonah, snow falls for 0.7 days, with typically accumulated 0.12" (3mm) of snow. Throughout the year, there are 23.1 snowfall days, and 9.02" (229mm) of snow is accumulated.

Daylight

In April, the average length of the day in Katonah is 13h and 21min.
On the first day of the month, sunrise is at 6:37 am and sunset at 7:19 pm. On the last day of April, in Katonah, New York, sunrise is at 5:53 am and sunset at 7:50 pm EDT.

Sunshine

In Katonah, the average sunshine in April is 8.4h.

UV index

In Katonah, the average daily maximum UV index in April is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 4 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. 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.
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FAQ

What is the temperature in April in Katonah?

In April, in Katonah, the average high-temperature is 56.8°F (13.8°C), and the average low-temperature is 41.7°F (5.4°C).

What is the least humid month in Katonah?

April is the least humid month in Katonah, with an average relative humidity of 72%.

What is the average humidity in April in Katonah?

The average relative humidity in April in Katonah is 72%.

How much does it rain in Katonah in April?

In Katonah, New York, in April, during 13 rainfall days, 1.81" (46mm) of precipitation is typically accumulated.

How much does it snow in Katonah in April?

In Katonah, in April, during 0.7 snowfall days, 0.12" (3mm) of snow is typically accumulated.

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

In Katonah, the average day length in April is 13h and 21min.

When is the sunrise / sunset in April in Katonah?

In April, on the first day of the month, sunrise is at 6:37 am and sunset at 7:19 pm. On the last day of the month, in Katonah, sunrise is at 5:53 am and sunset at 7:50 pm EDT.

How many hours of sunshine does Katonah have in April?

In April, the average sunshine duration in Katonah, New York, is 8.4h.

What is the UV index intensity in April in Katonah?

The average daily maximum UV index in April in Katonah is 4. A UV Index estimate of 3 to 5 represents a moderate health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Katonah, NY

Average temperature in April - Katonah, NY
  • Average high temperature in April: 56.8°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (34.5°F).

  • Average low temperature in April: 41.7°F

The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).

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Average pressure in April
Katonah, NY

Average pressure in April - Katonah, NY
  • Average pressure in April: 29.98"Hg

The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in April
Katonah, NY

Average wind speed in April - Katonah, NY
  • Average wind speed in April: 7.8mph

The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

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Average humidity in April
Katonah, NY

Average humidity in April - Katonah, NY
  • Average humidity in April: 72%

The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is April (72%).

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Average rainfall in April
Katonah, NY

Average rainfall in April - Katonah, NY
  • Average rainfall in April: 1.81"

The wettest month (with the highest rainfall) is July (2.68").
The driest month (with the least rainfall) is February (1.18").

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Average rainfall days in April
Katonah, NY

Average rainfall days in April - Katonah, NY
  • Average rainfall days in April: 13 days

The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is January (6.8 days).

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Average snowfall in April
Katonah, NY

Average snowfall in April - Katonah, NY
  • Average snowfall in April: 0.12"

The month with the highest snowfall is March (2.95").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in April
Katonah, NY

Average snowfall days in April - Katonah, NY
  • Average snowfall days in April: 0.7 days

The month with the highest number of snowfall days is February (6.3 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
Katonah, NY

Average daylight in April / Average sunshine in April - Katonah, NY
  • Average daylight in April: 13h and 21min

The month with the longest days is June (Average daylight: 15h and 7min).
The month with the shortest days is December (Average daylight: 9h and 16min).

  • Average sunshine in April: 8h and 24min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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Average sunshine days in April
Katonah, NY

Average sunshine days in April - Katonah, NY
  • Average sunshine days in April: 15 days

The month with the most sunshine days is November (20.3 days).
The month with the least sunshine days is June (12.1 days).

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Average UV index in April
Katonah, NY

Average UV index in April - Katonah, NY
  • Average UV index in April: 4

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, November and December (UV index 2).

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Average cloud cover in April
Katonah, NY

Average cloud cover in April - Katonah, NY
  • Average cloud cover in April: 45

The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 30).

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Average visibility in April
Katonah, NY

Average visibility in April - Katonah, 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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