April weather forecast
Buffalo, NY

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The Niagara square with the McKinley Monument in Buffalo, New York, USA
The Niagara square with the McKinley Monument in Buffalo, New York, USA

Weather in April

Spring makes its presence felt in Buffalo during April, featuring a pleasant increase in temperatures. Weather takes a turn from the frosty to the enjoyable with a noticeable decrease to 1.81" (46mm) in snowfall, the lowest until November. Alongside thinner layers, rainfall begins to dominate, highlighting the switch in weather trends. The city starts to soak up more sunlight, contributing to the freshness that characterizes this month. The sea temperature rise, coupled with the cold winds relenting, completes the arrival of spring.

Temperature

April's arrival signals an increase in average high-temperatures, moving from March's cold 40.6°F (4.8°C) to a cool 52.3°F (11.3°C). April's nights observe an average temperature of 37.2°F (2.9°C).

Humidity

In Buffalo, the average relative humidity in April is 76%.

Rainfall

In Buffalo, during April, the rain falls for 16.1 days and regularly aggregates up to 2.6" (66mm) of precipitation. In Buffalo, 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 Buffalo, in April, snow falls for 4.7 days, with typically accumulated 1.81" (46mm) of snow. In Buffalo, during the entire year, snow falls for 77.2 days and aggregates up to 30.94" (786mm) of snow.

Ocean temperature

In April, the average ocean temperature is 39°F (3.9°C).
Note: During swimming sessions, this situation poses an instant life risk. The control of breathing is completely lost, hampering clear thinking. Wearing a specialized swimsuit is a necessity to prevent thermal loss.

Daylight

In April, the average length of the day in Buffalo is 13h and 25min.
On the first day of April, sunrise is at 6:56 am and sunset at 7:42 pm. On the last day of the month, sunrise is at 6:09 am and sunset at 8:15 pm EDT.

Sunshine

In Buffalo, the average sunshine in April is 7h.

UV index

In Buffalo, the average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: In April, the maximum UV index of 3 suggests this advice:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Updated: Jul 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Buffalo in April?

The average high-temperature, in April, in Buffalo, 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?

The average relative humidity in April is 76%.

How much does it rain in April?

In Buffalo, during April, the rain falls for 16.1 days and regularly aggregates up to 2.6" (66mm) of precipitation.

How much does it snow in Buffalo in April?

In Buffalo, in April, snow falls for 4.7 days, with typically accumulated 1.81" (46mm) of snow.

What is the ocean temperature in April?

In Buffalo, in April, the average water temperature is 39°F (3.9°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.

What is the average length of the day in April?

In April, the average day length is 13h and 25min.

When are sunrise and sunset in April?

On the first day of April, sunrise is at 6:56 am and sunset at 7:42 pm. On the last day of the month, sunrise is at 6:09 am and sunset at 8:15 pm EDT.

How long on average sun shines in April?

The average sunshine duration in April is 7h.

How high is the UV index in April?

The average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability from exposure to the Sun's UV radiation.
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
Buffalo, NY

Average temperature in April - Buffalo, 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).

Average pressure in April
Buffalo, NY

Average pressure in April - Buffalo, NY
  • Average pressure in April: 29.97"Hg

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

Average wind speed in April
Buffalo, NY

Average wind speed in April - Buffalo, 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).

Average humidity in April
Buffalo, NY

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

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

Average rainfall in April
Buffalo, NY

Average rainfall in April - Buffalo, 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").

Average rainfall days in April
Buffalo, NY

Average rainfall days in April - Buffalo, 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).

Average snowfall in April
Buffalo, NY

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

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

Average snowfall days in April
Buffalo, NY

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

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

Average sea temperature in April
Buffalo, NY

Average sea temperature in April - Buffalo, NY
  • Average sea temperature in April: 39°F

The best month for swimming (with the highest average sea temperature) is August (74.2°F).
The coldest month (with the lowest average sea temperature) is February (34.9°F).

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

Average daylight in April / Average sunshine in April - Buffalo, 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 and 0min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).

Average sunshine days in April
Buffalo, NY

Average sunshine days in April - Buffalo, 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).

Average UV index in April
Buffalo, NY

Average UV index in April - Buffalo, 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, February and December (UV index 1).

Average cloud cover in April
Buffalo, NY

Average cloud cover in April - Buffalo, 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).

Average visibility in April
Buffalo, NY

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

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

Buffalo, New York, USA

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