April weather forecast
West Chester, PA

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A cool summer day over the colorful cityscape of West Chester, Pennsylvania
A cool summer day over the colorful cityscape of West Chester, Pennsylvania

Weather in April

April in West Chester, Pennsylvania, sees a noticeable upswing in temperature, pushing aside the frosty embrace of winter. The growing warmth, coupled with longer daylight hours, makes the city come alive after several months of winter dormancy. Characterized by an increase in humidity and a marginal rainfall of 1.02" (26mm), April is a wet month with a possibly greater number of rainy days. The overall vibe during this month is one of rejuvenation, aligning perfectly with spring’s theme of renewal. April's pleasant weather invites outdoor activity, making it a favoured month for gardeners, hikers, and nature enthusiasts.

Temperature

West Chester experiences a temperature shift with the start of April, with average high-temperatures moving from a chilly 48.4°F (9.1°C) in March to a comfortable 61°F (16.1°C). West Chester encounters an average low-temperature of 43.9°F (6.6°C) during April nights.

Humidity

With an average relative humidity of 73%, April is the least humid month.

Rainfall

In April, the rain falls for 12.3 days. Throughout April, 1.02" (26mm) of precipitation is accumulated. Throughout the year, there are 128.5 rainfall days, and 14.92" (379mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, November and December. In West Chester, in April, during 0.3 snowfall days, 0.12" (3mm) of snow is typically accumulated. Throughout the year, there are 18.1 snowfall days, and 5.43" (138mm) of snow is accumulated.

Daylight

In April, the average length of the day is 13h and 17min.
On the first day of the month, sunrise is at 6:45 am and sunset at 7:27 pm. On the last day of April, in West Chester, sunrise is at 6:02 am and sunset at 7:56 pm EDT.

Sunshine

In West Chester, the average sunshine in April is 8.2h.

UV index

The average daily maximum UV index in April in West Chester, Pennsylvania, is 4. A UV Index 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 4 suggests these recommendations:
Adopt protective measures - It is advised to guard against sun damage. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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Frequently asked questions

What is the usual temperature for West Chester in April?

The high-temperature, in April, in West Chester, is 61°F (16.1°C), while the low-temperature averages to 43.9°F (6.6°C).

What is the least humid month in West Chester?

April is the least humid month in West Chester, with an average relative humidity of 73%.

What is the average humidity in April in West Chester?

In April, the average relative humidity in West Chester, Pennsylvania, is 73%.

How much does it rain in West Chester in April?

In West Chester, Pennsylvania, in April, it is raining for 12.3 days, with typically 1.02" (26mm) of accumulated precipitation.

How much does it snow in West Chester in April?

In West Chester, Pennsylvania, in April, snow falls for 0.3 days, with typically accumulated 0.12" (3mm) of snow.

What is the average length of the day in April in West Chester?

The average day length in April in West Chester is 13h and 17min.

When are sunrise and sunset in April in West Chester?

On the first day of April in West Chester, Pennsylvania, sunrise is at 6:45 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 6:02 am and sunset at 7:56 pm EDT.

How long on average sun shines in April in West Chester?

The average sunshine duration in April is 8.2h.

What is the UV index intensity in April in West Chester?

The average daily maximum UV index in April in West Chester, Pennsylvania, is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability from 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
West Chester, PA

Average temperature in April - West Chester, PA
  • Average high temperature in April: 61°F

The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (36.5°F).

  • Average low temperature in April: 43.9°F

The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (24.4°F).

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Average pressure in April
West Chester, PA

Average pressure in April - West Chester, PA
  • Average pressure in April: 29.99"Hg

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in April
West Chester, PA

Average wind speed in April - West Chester, PA
  • Average wind speed in April: 8.4mph

The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

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Average humidity in April
West Chester, PA

Average humidity in April - West Chester, PA
  • Average humidity in April: 73%

The months with the highest relative humidity are February and October (79%).
The month with the lowest relative humidity is April (73%).

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Average rainfall in April
West Chester, PA

Average rainfall in April - West Chester, PA
  • Average rainfall in April: 1.02"

The wettest month (with the highest rainfall) is August (2.01").
The driest month (with the least rainfall) is January (0.83").

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Average rainfall days in April
West Chester, PA

Average rainfall days in April - West Chester, PA
  • Average rainfall days in April: 12.3 days

The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is January (5.7 days).

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Average snowfall in April
West Chester, PA

Average snowfall in April - West Chester, PA
  • Average snowfall in April: 0.12"

The month with the highest snowfall is March (1.54").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in April
West Chester, PA

Average snowfall days in April - West Chester, PA
  • Average snowfall days in April: 0.3 days

The month with the highest number of snowfall days is January (5.5 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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Average daylight in April /
Average sunshine in April
West Chester, PA

Average daylight in April / Average sunshine in April - West Chester, 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 24min).

  • Average sunshine in April: 8h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days in April
West Chester, PA

Average sunshine days in April - West Chester, PA
  • Average sunshine days in April: 16.1 days

The month with the most sunshine days is November (21.7 days).
The month with the least sunshine days is August (13.1 days).

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Average UV index in April
West Chester, PA

Average UV index in April - West Chester, PA
  • Average UV index in April: 4

The months with the highest UV index are May, 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
West Chester, PA

Average cloud cover in April - West Chester, PA
  • Average cloud cover in April: 46

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 32).

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Average visibility in April
West Chester, PA

Average visibility in April - West Chester, PA
  • Average visibility in April: 6mi

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

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West Chester, Pennsylvania, USA

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