April weather forecast
Coatesville, PA

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Weather in April

April is a spring-tethered month in Coatesville, Pennsylvania, with warmer temperatures and longer daylight hours. There is a marked decrease in snowfall from 2.32" (59mm) in March to 0.28" (7mm) in this month. This does not only signify the dawn of spring, but it also carries with it the promise of blooming flora and new life. May, on the other hand, will further increase temperature warmth as spring etches closer to summer. A rise in rain is expected due to increased precipitation, which defines April as a month of growth and transformation in Coatesville.

Temperature

Entering April, Coatesville sees a temperature rise, with the average high-temperature advancing from March's chilly 48°F (8.9°C) to a mild 60.3°F (15.7°C). Coatesville experiences a mean temperature of 42.8°F (6°C) during April nights.

Humidity

April is the least humid month, with an average relative humidity of 76%.

Rainfall

In April, the rain falls for 13.1 days. Throughout April, 1.61" (41mm) of precipitation is accumulated. In Coatesville, during the entire year, the rain falls for 138.3 days and collects up to 19.76" (502mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Coatesville, in April, during 0.5 snowfall days, 0.28" (7mm) of snow is typically accumulated. Throughout the year, in Coatesville, there are 19.6 snowfall days, and 7.64" (194mm) of snow is accumulated.

Daylight

In Coatesville, the average length of the day in April is 13h and 17min.
On the first day of April, sunrise is at 6:45 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 6:03 am and sunset at 7:57 pm EDT.

Sunshine

In Coatesville, the average sunshine in April is 8.1h.

UV index

In Coatesville, the average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A daily high UV index of 4 in April leads to these guidelines:
Heed the precautions - It is counselled to guard against solar damage. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.

Frequently asked questions

What is the usual temperature for Coatesville in April?

The average high-temperature, in April, in Coatesville, is 60.3°F (15.7°C), while the average low-temperature is 42.8°F (6°C).

What is the least humid month?

April is the least humid month, with an average relative humidity of 76%.

What is the average humidity in April?

In April, the average relative humidity is 76%.

How many days does it rain in April?

In Coatesville, in April, it is raining for 13.1 days, with typically 1.61" (41mm) of accumulated precipitation.

How many days does it snow in April?

In Coatesville, in April, snow falls for 0.5 days, with typically accumulated 0.28" (7mm) of snow.

What is the average length of the day in April?

In April, the average day length is 13h and 17min.

What time are sunrise and sunset in April?

In April, on the first day of the month, sunrise is at 6:45 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 6:03 am and sunset at 7:57 pm EDT.

How long on average sun shines in April?

The average sunshine duration in April is 8.1h.

What is the UV index intensity in April?

The average daily maximum UV index in April is 4. A UV Index estimate of 3 to 5 represents a moderate health threat 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
Coatesville, PA

Average temperature in April - Coatesville, PA
  • Average high temperature in April: 60.3°F

The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (35.6°F).

  • Average low temperature in April: 42.8°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).

Average pressure in April
Coatesville, PA

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

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in April
Coatesville, PA

Average wind speed in April - Coatesville, PA
  • Average wind speed in April: 8.6mph

The windiest months (with the highest average wind speed) are January, February and March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in April
Coatesville, PA

Average humidity in April - Coatesville, PA
  • Average humidity in April: 76%

The months with the highest relative humidity are May and October (81%).
The month with the lowest relative humidity is April (76%).

Average rainfall in April
Coatesville, PA

Average rainfall in April - Coatesville, PA
  • Average rainfall in April: 1.61"

The wettest month (with the highest rainfall) is August (2.72").
The driest month (with the least rainfall) is February (1.14").

Average rainfall days in April
Coatesville, PA

Average rainfall days in April - Coatesville, PA
  • Average rainfall days in April: 13.1 days

The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is January (6.4 days).

Average snowfall in April
Coatesville, PA

Average snowfall in April - Coatesville, PA
  • Average snowfall in April: 0.28"

The month with the highest snowfall is March (2.32").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in April
Coatesville, PA

Average snowfall days in April - Coatesville, PA
  • Average snowfall days in April: 0.5 days

The month with the highest number of snowfall days is January (5.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in April / Average sunshine in April - Coatesville, 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 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days in April
Coatesville, PA

Average sunshine days in April - Coatesville, PA
  • Average sunshine days in April: 14.6 days

The month with the most sunshine days is November (20 days).
The month with the least sunshine days is July (12.4 days).

Average UV index in April
Coatesville, PA

Average UV index in April - Coatesville, 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).

Average cloud cover in April
Coatesville, PA

Average cloud cover in April - Coatesville, PA
  • Average cloud cover in April: 46

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 33).

Average visibility in April
Coatesville, PA

Average visibility in April - Coatesville, 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).

Coatesville, Pennsylvania, USA

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