April weather - Spring 2024

Weather in April
Frequently asked questions
Average temperature in April
Average pressure in April
Average wind speed in April
Average humidity in April
Average rainfall in April
Average rainfall days in April
Average snowfall in April
Average snowfall days in April
Average daylight in April
Average sunshine in April
Average sunshine days in April
Average UV index in April
Average cloud cover in April
Average visibility in April

A beautiful dusk panorama of Pittsburgh, Pennsylvania, with the river and several bridges

Weather in April

April in Pittsburgh witnesses a complete transformation into spring, with regular rain showers and a burst of flora across the city. The weather is very changeable, with rainfalls the highest for the year at 2.76" (70mm), contributing to the growth of new greenery all around. Days get longer, and daylight hours notably increase compared to previous months, hinting at the imminent approach of summer. The city is vibrant, with its parks and gardens illuminated by blooming flowers and fresh green foliage. Adversely, the ever-changing weather could cause some disruptions to outdoor plans.

Temperature

April brings a rise in the average high-temperature, transitioning from March's chilly 47.8°F (8.8°C) to a comfortable 61°F (16.1°C). Pittsburgh, in the month of April, anticipates a consistent average low-temperature of 41.5°F (5.3°C).

Humidity

In Pittsburgh, the average relative humidity in April is 75%.

Rainfall

In Pittsburgh, during April, the rain falls for 15.9 days and regularly aggregates up to 2.76" (70mm) of precipitation. Throughout the year, there are 163.6 rainfall days, and 26.93" (684mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. April is the last month it regularly snows. During 1.4 snowfall days, in April, Pittsburgh aggregates 0.16" (4mm) of snow. Throughout the year, in Pittsburgh, Pennsylvania, there are 47.7 snowfall days, and 11.77" (299mm) of snow is accumulated.

Daylight

In April, the average length of the day is 13h and 19min.
On the first day of the month, sunrise is at 7:02 am and sunset at 7:44 pm. On the last day of April, sunrise is at 6:19 am and sunset at 8:14 pm EDT.

Sunshine

The average sunshine in April is 7.4h.

UV index

In Pittsburgh, the average daily maximum UV index in April is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A daily maximum UV index of 4 in April translates into the following instructions:
Undertake protective steps - Preventing sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

Updated: Jun 4, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in April?

The high-temperature, in April, in Pittsburgh, is 61°F (16.1°C), while the low-temperature averages to 41.5°F (5.3°C).

What is the average humidity in April?

The average relative humidity in April is 75%.

How much does it rain in April?

In Pittsburgh, in April, it is raining for 15.9 days, with typically 2.76" (70mm) of accumulated precipitation.

What is the last month it snows?

April is the last month it regularly snows. During 1.4 snowfall days, in April, Pittsburgh aggregates 0.16" (4mm) of snow.

How many hours of daylight does Pittsburgh have in April?

In April, the average day length is 13h and 19min.

When is the sunrise / sunset in April?

On the first day of April, sunrise is at 7:02 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 6:19 am and sunset at 8:14 pm EDT.

How many hours of sunshine does Pittsburgh have in April?

The average sunshine duration in April is 7.4h.

How high is the UV index in April?

In April, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium health risk from exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M April M J J A S O N D

Mar

April

May

Average high temperature

47.8°F 8.8°C

61°F 16.1°C

72.1°F 22.3°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

7.9mph 12.7km/h

8mph 12.9km/h

6.6mph 10.6km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

12.3

11.9

9.8

Average UV index

Average cloud cover

Average visibility

Average temperature in April
Pittsburgh, PA

Average high temperature in April: 61°F

The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (33.1°F).

Average low temperature in April: 41.5°F

The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (21°F).

Average pressure in April
Pittsburgh, PA

Average pressure in April: 29.97"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in April
Pittsburgh, PA

Average wind speed in April: 7.5mph

The windiest month (with the highest average wind speed) is January (8mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).

Average humidity in April
Pittsburgh, PA

Average humidity in April: 75%

The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are July and August (73%).

Average rainfall in April
Pittsburgh, PA

Average rainfall in April: 2.76"

The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is November (1.54").

Average rainfall days in April
Pittsburgh, PA

Average rainfall days in April: 15.9 days

The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is January (8.9 days).

Average snowfall in April
Pittsburgh, PA

Average snowfall in April: 0.16"

The month with the highest snowfall is January (3.31").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in April
Pittsburgh, PA

Average snowfall days in April: 1.4 days

The month with the highest number of snowfall days is January (14.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in April /
Average sunshine in April
Pittsburgh, PA

Average daylight in April: 13h and 2min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

Average sunshine in April: 7h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).

Average sunshine days in April
Pittsburgh, PA

Average sunshine days in April: 11.9 days

The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is February (9.6 days).

Average UV index in April
Pittsburgh, PA

Average UV index in April: 4

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

Average cloud cover in April
Pittsburgh, PA

Average cloud cover in April: 50

The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 34).

Average visibility in April
Pittsburgh, PA

Average visibility in April: 6mi

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

April weather forecast
Pittsburgh, PA

Contents