April weather forecast
Saint Johns, PA

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Weather in April

April in Saint Johns, Pennsylvania, is a refreshing spring month, with temperature in the range of an average low of 38.1°F (3.4°C) and an average high of 55.8°F (13.2°C).

Temperature

Noticing a change, the average high-temperature during April moves from March's frosty 43.7°F (6.5°C) to a moderate 55.8°F (13.2°C). Saint Johns records an average low of 38.1°F (3.4°C) throughout the nights in April.

Humidity

The least humid month is April, with an average relative humidity of 78%.

Rainfall

In Saint Johns, during April, the rain falls for 12.6 days and regularly aggregates up to 1.14" (29mm) of precipitation. In Saint Johns, Pennsylvania, during the entire year, the rain falls for 111.5 days and collects up to 11.34" (288mm) of precipitation.

Snowfall

Months with snowfall in Saint Johns, Pennsylvania, are January through May, October through December. In April, in Saint Johns, it is snowing for 0.8 days. Throughout April, 0.08" (2mm) of snow is accumulated. Throughout the year, in Saint Johns, there are 31.5 snowfall days, and 7.28" (185mm) of snow is accumulated.

Daylight

In April, the average length of the day is 13h and 20min.
On the first day of the month, sunrise is at 6:45 am and sunset at 7:29 pm. On the last day of April, sunrise is at 6:02 am and sunset at 8:00 pm EDT.

Sunshine

In Saint Johns, the average sunshine in April is 7.2h.

UV index

In Saint Johns, the average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A typical high UV index of 3 in April suggests the following recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
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Frequently asked questions

What is the average April temperature in Saint Johns?

Saint Johns in April has an average high-temperature of 55.8°F (13.2°C) and an average low-temperature of 38.1°F (3.4°C).

What is the least humid month in Saint Johns?

The least humid month in Saint Johns, Pennsylvania, is April, with an average relative humidity of 78%.

What is the average humidity in April in Saint Johns?

In Saint Johns, Pennsylvania, the average relative humidity in April is 78%.

How much does it rain in Saint Johns in April?

In Saint Johns, Pennsylvania, in April, during 12.6 rainfall days, 1.14" (29mm) of precipitation is typically accumulated.

How much does it snow in Saint Johns in April?

In Saint Johns, in April, snow falls for 0.8 days, with typically accumulated 0.08" (2mm) of snow.

What is the average length of the day in April in Saint Johns?

In Saint Johns, the average day length in April is 13h and 20min.

What time are sunrise and sunset in April in Saint Johns?

In April, on the first day of the month, sunrise is at 6:45 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 6:02 am and sunset at 8:00 pm EDT.

How long on average sun shines in April in Saint Johns?

In April, the average sunshine duration in Saint Johns, Pennsylvania, is 7.2h.

How high is the UV index in April in Saint Johns?

In Saint Johns, Pennsylvania, the average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unprotected exposure to 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
Saint Johns, PA

Average temperature in April - Saint Johns, PA
  • Average high temperature in April: 55.8°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (31.5°F).

  • Average low temperature in April: 38.1°F

The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

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Average pressure in April
Saint Johns, PA

Average pressure in April - Saint Johns, PA
  • Average pressure in April: 29.98"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).

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Average wind speed in April
Saint Johns, PA

Average wind speed in April - Saint Johns, PA
  • Average wind speed in April: 8.3mph

The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

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Average humidity in April
Saint Johns, PA

Average humidity in April - Saint Johns, PA
  • Average humidity in April: 78%

The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is April (78%).

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Average rainfall in April
Saint Johns, PA

Average rainfall in April - Saint Johns, PA
  • Average rainfall in April: 1.14"

The wettest month (with the highest rainfall) is May (1.26").
The driest month (with the least rainfall) is September (0.55").

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Average rainfall days in April
Saint Johns, PA

Average rainfall days in April - Saint Johns, PA
  • Average rainfall days in April: 12.6 days

The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is January (5.4 days).

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Average snowfall in April
Saint Johns, PA

Average snowfall in April - Saint Johns, PA
  • Average snowfall in April: 0.08"

The month with the highest snowfall is February (1.81").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in April
Saint Johns, PA

Average snowfall days in April - Saint Johns, PA
  • Average snowfall days in April: 0.8 days

The month with the highest number of snowfall days is January (9.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in April /
Average sunshine in April
Saint Johns, PA

Average daylight in April / Average sunshine in April - Saint Johns, PA
  • Average daylight in April: 13h and 2min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in April: 7h and 1min

The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).

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Average sunshine days in April
Saint Johns, PA

Average sunshine days in April - Saint Johns, PA
  • Average sunshine days in April: 15.2 days

The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is May (14.3 days).

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Average UV index in April
Saint Johns, PA

Average UV index in April - Saint Johns, PA
  • 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, March, October, November and December (UV index 2).

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Average cloud cover in April
Saint Johns, PA

Average cloud cover in April - Saint Johns, PA
  • Average cloud cover in April: 52

The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is July (Cloud cover 37).

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Average visibility in April
Saint Johns, PA

Average visibility in April - Saint Johns, PA
  • Average visibility in April: 6mi

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

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Saint Johns, Pennsylvania, USA

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