April weather forecast
Johnsontown, NJ

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Weather in April

April is a moderate spring month in Johnsontown, New Jersey, with an average temperature fluctuating between 46.6°F (8.1°C) and 56.8°F (13.8°C).

Temperature

The onset of April brings a rise in the average high-temperature, elevating from a frosty 47.7°F (8.7°C) in March to a moderate 56.8°F (13.8°C). In April, Johnsontown's temperature tends to fall to an average low of 46.6°F (8.1°C) during the night.

Humidity

January, March, April and November, with an average relative humidity of 74%, are the least humid months in Johnsontown, New Jersey.

Rainfall

In Johnsontown, New Jersey, in April, it is raining for 8.6 days, with typically 0.59" (15mm) of accumulated precipitation. In Johnsontown, New Jersey, during the entire year, the rain falls for 86.1 days and collects up to 6.69" (170mm) of precipitation.

Snowfall

April through November are months without snowfall in Johnsontown.

Daylight

In April, the average length of the day is 13h and 16min.
On the first day of the month, sunrise is at 6:40 am and sunset at 7:22 pm. On the last day of April, in Johnsontown, sunrise is at 5:58 am and sunset at 7:51 pm EDT.

Sunshine

In April, the average sunshine in Johnsontown, New Jersey, is 8.7h.

UV index

In April, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The UV index of 4 during April translates into the following guidance:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
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Frequently asked questions

What is the average April temperature in Johnsontown?

In Johnsontown, in April, the average high-temperature is 56.8°F (13.8°C), and the average low-temperature is 46.6°F (8.1°C).

What is the least humid month in Johnsontown?

January, March, April and November, with an average relative humidity of 74%, are the least humid months in Johnsontown, New Jersey.

What is the average humidity in April in Johnsontown?

The average relative humidity in April in Johnsontown is 74%.

How much does it rain in Johnsontown in April?

In Johnsontown, in April, during 8.6 rainfall days, 0.59" (15mm) of precipitation is typically accumulated.

When it does not snow in Johnsontown?

April through November are months without snowfall in Johnsontown.

Does it snow in Johnsontown in April?

In April, in Johnsontown, it doesn't snow. March is the latest month when it typically snows.

What is the average length of the day in April in Johnsontown?

The average day length in April in Johnsontown, New Jersey, is 13h and 16min.

What time are sunrise and sunset in April in Johnsontown?

In April, on the first day of the month, sunrise is at 6:40 am and sunset at 7:22 pm. On the last day of the month, in Johnsontown, sunrise is at 5:58 am and sunset at 7:51 pm EDT.

How long on average sun shines in April in Johnsontown?

The average sunshine duration in April in Johnsontown, New Jersey, is 8.7h.

What is the UV index reading in April in Johnsontown?

In April, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Johnsontown, NJ

Average temperature in April - Johnsontown, NJ
  • Average high temperature in April: 56.8°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (39.9°F).

  • Average low temperature in April: 46.6°F

The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (30.4°F).

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Average pressure in April
Johnsontown, NJ

Average pressure in April - Johnsontown, NJ
  • Average pressure in April: 29.99"Hg

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in April
Johnsontown, NJ

Average wind speed in April - Johnsontown, NJ
  • Average wind speed in April: 11.2mph

The windiest month (with the highest average wind speed) is January (11.7mph).
The calmest month (with the lowest average wind speed) is August (8mph).

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Average humidity in April
Johnsontown, NJ

Average humidity in April - Johnsontown, NJ
  • Average humidity in April: 74%

The months with the highest relative humidity are May and June (80%).
The months with the lowest relative humidity are January, March, April and November (74%).

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Average rainfall in April
Johnsontown, NJ

Average rainfall in April - Johnsontown, NJ
  • Average rainfall in April: 0.59"

The wettest month (with the highest rainfall) is December (0.75").
The driest month (with the least rainfall) is September (0.28").

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Average rainfall days in April
Johnsontown, NJ

Average rainfall days in April - Johnsontown, NJ
  • Average rainfall days in April: 8.6 days

The month with the highest number of rainy days is July (10.3 days).
The month with the least rainy days is January (4.5 days).

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Average snowfall in April
Johnsontown, NJ

Average snowfall in April - Johnsontown, NJ
  • Average snowfall in April: 0"

The month with the highest snowfall is January (0.2").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days in April
Johnsontown, NJ

Average snowfall days in April - Johnsontown, NJ
  • Average snowfall days in April: 0 days

The month with the highest number of snowfall days is January (1.9 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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Average daylight in April /
Average sunshine in April
Johnsontown, NJ

Average daylight in April / Average sunshine in April - Johnsontown, NJ
  • Average daylight in April: 13h and 2min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in April: 8h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

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Average sunshine days in April
Johnsontown, NJ

Average sunshine days in April - Johnsontown, NJ
  • Average sunshine days in April: 20 days

The month with the most sunshine days is January (24.3 days).
The month with the least sunshine days is August (18.2 days).

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Average UV index in April
Johnsontown, NJ

Average UV index in April - Johnsontown, NJ
  • 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 and December (UV index 2).

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Average cloud cover in April
Johnsontown, NJ

Average cloud cover in April - Johnsontown, NJ
  • Average cloud cover in April: 41

The month with the most cloud cover is February (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 27).

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Average visibility in April
Johnsontown, NJ

Average visibility in April - Johnsontown, NJ
  • Average visibility in April: 6mi

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

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Johnsontown, New Jersey, USA

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