April weather forecast
Emmaus, PA

englishespañol中文
Share

Weather in April

April is a moderate spring month in Emmaus, Pennsylvania, with an average temperature varying between 40.5°F (4.7°C) and 58.3°F (14.6°C).

Temperature

In Emmaus, the onset of April comes with an increased average high-temperature, moving from March's chilly 45.9°F (7.7°C) to a refreshing 58.3°F (14.6°C). During April, Emmaus experiences an average low-temperature of 40.5°F (4.7°C) at night.

Humidity

The months with the lowest humidity are April and July, with an average relative humidity of 76%.

Rainfall

In April, in Emmaus, the rain falls for 14.9 days. Throughout April, 2.44" (62mm) of precipitation is accumulated. In Emmaus, during the entire year, the rain falls for 145.1 days and collects up to 27.24" (692mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Emmaus, in April, snow falls for 0.3 days, with typically accumulated 0.2" (5mm) of snow. In Emmaus, Pennsylvania, during the entire year, snow falls for 20.4 days and aggregates up to 13.82" (351mm) of snow.

Daylight

In April, the average length of the day is 13h and 19min.
On the first day of the month, sunrise is at 6:44 am and sunset at 7:27 pm. On the last day of April, in Emmaus, Pennsylvania, sunrise is at 6:01 am and sunset at 7:57 pm EDT.

Sunshine

The average sunshine in April is 7.9h.

UV index

In Emmaus, the average daily maximum UV index in April is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.
Note: In April, an average UV index of 4 transforms into the following instructions:
Ensure safety - Imperative it is to shield skin and eyes from damage. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
[Resources]

Frequently asked questions

What is the average April temperature in Emmaus?

The high-temperature, in April, in Emmaus, records 58.3°F (14.6°C), while the low-temperature is 40.5°F (4.7°C).

What are the least humid months in Emmaus?

The months with the lowest humidity in Emmaus, Pennsylvania, are April and July, with an average relative humidity of 76%.

What is the average humidity in April in Emmaus?

In April, the average relative humidity in Emmaus is 76%.

How many days does it rain in April in Emmaus?

In April, the rain falls for 14.9 days. Throughout April, 2.44" (62mm) of precipitation is accumulated.

How many days does it snow in April in Emmaus?

In Emmaus, in April, snow falls for 0.3 days, with typically accumulated 0.2" (5mm) of snow.

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

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

When is the sunrise / sunset in April in Emmaus?

In April, on the first day of the month, sunrise is at 6:44 am and sunset at 7:27 pm. On the last day of the month, in Emmaus, sunrise is at 6:01 am and sunset at 7:57 pm EDT.

How long on average sun shines in April in Emmaus?

In April, the average sunshine duration in Emmaus is 7.9h.

What is the UV index reading in April in Emmaus?

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

Average temperature in April - Emmaus, PA
  • Average high temperature in April: 58.3°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (34°F).

  • Average low temperature in April: 40.5°F

The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

[Resources]

Average pressure in April
Emmaus, PA

Average pressure in April - Emmaus, 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).

[Resources]

Average wind speed in April
Emmaus, PA

Average wind speed in April - Emmaus, PA
  • Average wind speed in April: 7.9mph

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).

[Resources]

Average humidity in April
Emmaus, PA

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

The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are April and July (76%).

[Resources]

Average rainfall in April
Emmaus, PA

Average rainfall in April - Emmaus, PA
  • Average rainfall in April: 2.44"

The wettest month (with the highest rainfall) is July (3.03").
The driest month (with the least rainfall) is September (1.61").

[Resources]

Average rainfall days in April
Emmaus, PA

Average rainfall days in April - Emmaus, PA
  • Average rainfall days in April: 14.9 days

The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (6.7 days).

[Resources]

Average snowfall in April
Emmaus, PA

Average snowfall in April - Emmaus, PA
  • Average snowfall in April: 0.2"

The month with the highest snowfall is March (4.37").
The months with the least snowfall are June, July, August and September (0").

[Resources]

Average snowfall days in April
Emmaus, PA

Average snowfall days in April - Emmaus, PA
  • Average snowfall days in April: 0.3 days

The month with the highest number of snowfall days is February (6.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

[Resources]

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

Average daylight in April / Average sunshine in April - Emmaus, 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 5min

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 24min).

[Resources]

Average sunshine days in April
Emmaus, PA

Average sunshine days in April - Emmaus, PA
  • Average sunshine days in April: 13.4 days

The month with the most sunshine days is January (20.5 days).
The month with the least sunshine days is May (11.8 days).

[Resources]

Average UV index in April
Emmaus, PA

Average UV index in April - Emmaus, PA
  • Average UV index in April: 4

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

[Resources]

Average cloud cover in April
Emmaus, PA

Average cloud cover in April - Emmaus, PA
  • Average cloud cover in April: 47

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 34).

[Resources]

Average visibility in April
Emmaus, PA

Average visibility in April - Emmaus, PA
  • Average visibility in April: 6mi

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

[Resources]

Emmaus, Pennsylvania, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location