April weather forecast
Clarkson, NY

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Weather in April

April in Clarkson, New York, is a fresh spring month, with an average temperature ranging between min 37.6°F (3.1°C) and max 50°F (10°C).

Temperature

As March transitions into April, a change in temperatures is observed, with average highs moving from a wintry 38.8°F (3.8°C) to a fresh 50°F (10°C). Throughout April, Clarkson records an average temperature of 37.6°F (3.1°C) at night.

Humidity

The average relative humidity in April is 78%.

Rainfall

In Clarkson, in April, during 16.1 rainfall days, 2.2" (56mm) of precipitation is typically accumulated. Throughout the year, there are 163.5 rainfall days, and 24.61" (625mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Clarkson, during April, snow falls for 3.4 days and regularly aggregates up to 1.3" (33mm) of snow. Throughout the year, in Clarkson, there are 67.2 snowfall days, and 21.97" (558mm) of snow is accumulated.

Daylight

In April, the average length of the day in Clarkson is 13h and 26min.
On the first day of April, sunrise is at 6:52 am and sunset at 7:38 pm. On the last day of the month, sunrise is at 6:05 am and sunset at 8:12 pm EDT.

Sunshine

In April, the average sunshine in Clarkson is 7.7h.

UV index

In Clarkson, the average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 3 in April transforms into the following instructions:
Make use of precautions - It is urged to ward off sun damage. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average April temperature in Clarkson?

During April, Clarkson experiences an average high-temperature of 50°F (10°C) and a low-temperature of 37.6°F (3.1°C).

What is the average humidity in April in Clarkson?

In Clarkson, New York, the average relative humidity in April is 78%.

How much does it rain in Clarkson in April?

In Clarkson, New York, during April, the rain falls for 16.1 days and regularly aggregates up to 2.2" (56mm) of precipitation.

How many days does it snow in April in Clarkson?

In Clarkson, New York, in April, snow falls for 3.4 days, with typically accumulated 1.3" (33mm) of snow.

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

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

What time are sunrise and sunset in April in Clarkson?

On the first day of April in Clarkson, New York, sunrise is at 6:52 am and sunset at 7:38 pm. On the last day of the month, sunrise is at 6:05 am and sunset at 8:12 pm EDT.

How many hours of sunshine does Clarkson have in April?

In Clarkson, the average sunshine duration in April is 7.7h.

How high is the UV index in April in Clarkson?

In Clarkson, the average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a medium hazard to health from unsafe 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
Clarkson, NY

Average temperature in April - Clarkson, NY
  • Average high temperature in April: 50°F

The warmest month (with the highest average high temperature) is July (77.2°F).
The month with the lowest average high temperature is January (29.7°F).

  • Average low temperature in April: 37.6°F

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).

Average pressure in April
Clarkson, NY

Average pressure in April - Clarkson, NY
  • Average pressure in April: 29.96"Hg

The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in April
Clarkson, NY

Average wind speed in April - Clarkson, NY
  • Average wind speed in April: 10.7mph

The windiest month (with the highest average wind speed) is January (12.4mph).
The calmest month (with the lowest average wind speed) is July (7.4mph).

Average humidity in April
Clarkson, NY

Average humidity in April - Clarkson, NY
  • Average humidity in April: 78%

The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are August and September (76%).

Average rainfall in April
Clarkson, NY

Average rainfall in April - Clarkson, NY
  • Average rainfall in April: 2.2"

The wettest month (with the highest rainfall) is May (2.72").
The driest month (with the least rainfall) is January (1.46").

Average rainfall days in April
Clarkson, NY

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

The months with the highest number of rainy days are August and October (17.3 days).
The month with the least rainy days is February (7.1 days).

Average snowfall in April
Clarkson, NY

Average snowfall in April - Clarkson, NY
  • Average snowfall in April: 1.3"

The month with the highest snowfall is February (5.43").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in April
Clarkson, NY

Average snowfall days in April - Clarkson, NY
  • Average snowfall days in April: 3.4 days

The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in April / Average sunshine in April - Clarkson, 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 0min).

  • Average sunshine in April: 7h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The months with the least sunshine are January and February (Average sunshine: 2h and 42min).

Average sunshine days in April
Clarkson, NY

Average sunshine days in April - Clarkson, NY
  • Average sunshine days in April: 10.3 days

The month with the most sunshine days is September (13.4 days).
The month with the least sunshine days is January (6.9 days).

Average UV index in April
Clarkson, NY

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

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

Average cloud cover in April
Clarkson, NY

Average cloud cover in April - Clarkson, NY
  • Average cloud cover in April: 50

The month with the most cloud cover is January (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 27).

Average visibility in April
Clarkson, NY

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

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

Clarkson, New York, USA

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