April weather forecast
Hummelstown, PA

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Weather in April

April in Hummelstown, Pennsylvania, is a refreshing spring month, with an average temperature ranging between max 59.5°F (15.3°C) and min 41.5°F (5.3°C).

Temperature

The shift from March to April brings an increase in the average high-temperature, moving from a frosty 46.9°F (8.3°C) to a refreshing 59.5°F (15.3°C). Hummelstown, during the month of April, experiences an average low-temperature of 41.5°F (5.3°C).

Humidity

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

Rainfall

In Hummelstown, during April, the rain falls for 17 days and regularly aggregates up to 2.87" (73mm) of precipitation. In Hummelstown, during the entire year, the rain falls for 162.3 days and collects up to 30.71" (780mm) of precipitation.

Snowfall

Months with snowfall in Hummelstown, Pennsylvania, are January through April, October through December. April is the last month it regularly snows. During 0.4 snowfall days, in April, Hummelstown aggregates 0.12" (3mm) of snow. Throughout the year, there are 27.8 snowfall days, and 13.23" (336mm) of snow is accumulated.

Daylight

In Hummelstown, the average length of the day in April is 13h and 18min.
On the first day of the month, sunrise is at 6:49 am and sunset at 7:31 pm. On the last day of April, sunrise is at 6:06 am and sunset at 8:01 pm EDT.

Sunshine

The average sunshine in April is 8.2h.

UV index

In April, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: The average daily UV index of 4 in April transforms into the following instructions:
Act with care - Obligation to protect against skin and eye damage is highlighted. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.

Frequently asked questions

What are the temperatures in April?

The high-temperature, in April, in Hummelstown, records 59.5°F (15.3°C), while the low-temperature is 41.5°F (5.3°C).

What is the least humid month?

March and April, with an average relative humidity of 76%, are the least humid months.

What is the average humidity in April?

The average relative humidity in April is 76%.

How much does it rain in April?

In Hummelstown, during April, the rain falls for 17 days and regularly aggregates up to 2.87" (73mm) of precipitation.

What is the last month it snows?

April is the last month it regularly snows. During 0.4 snowfall days, in April, Hummelstown aggregates 0.12" (3mm) of snow.

What is the average length of the day in April?

In April, the average day length is 13h and 18min.

When are sunrise and sunset in April?

On the first day of April, sunrise is at 6:49 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 6:06 am and sunset at 8:01 pm EDT.

How many hours of sunshine does Hummelstown have in April?

In April, the average sunshine duration is 8.2h.

How high is the UV index in April?

The average daily maximum UV index in April in Hummelstown is 4. A UV Index value of 3 to 5 symbolizes a medium hazard to health 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
Hummelstown, PA

Average temperature in April - Hummelstown, PA
  • Average high temperature in April: 59.5°F

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (34.2°F).

  • Average low temperature in April: 41.5°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 (21.9°F).

Average pressure in April
Hummelstown, PA

Average pressure in April - Hummelstown, 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
Hummelstown, PA

Average wind speed in April - Hummelstown, PA
  • Average wind speed in April: 8.5mph

The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

Average humidity in April
Hummelstown, PA

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

The months with the highest relative humidity are February and May (81%).
The months with the lowest relative humidity are March and April (76%).

Average rainfall in April
Hummelstown, PA

Average rainfall in April - Hummelstown, PA
  • Average rainfall in April: 2.87"

The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is September (2.05").

Average rainfall days in April
Hummelstown, PA

Average rainfall days in April - Hummelstown, PA
  • Average rainfall days in April: 17 days

The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is January (8.5 days).

Average snowfall in April
Hummelstown, PA

Average snowfall in April - Hummelstown, PA
  • Average snowfall in April: 0.12"

The month with the highest snowfall is January (3.94").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in April
Hummelstown, PA

Average snowfall days in April - Hummelstown, PA
  • Average snowfall days in April: 0.4 days

The month with the highest number of snowfall days is January (9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

Average sunshine days in April
Hummelstown, PA

Average sunshine days in April - Hummelstown, PA
  • Average sunshine days in April: 11.6 days

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is May (10 days).

Average UV index in April
Hummelstown, PA

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

The months with the highest UV index are May, June and July (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
Hummelstown, PA

Average cloud cover in April - Hummelstown, PA
  • Average cloud cover in April: 45

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 31).

Average visibility in April
Hummelstown, PA

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

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

Hummelstown, Pennsylvania, USA

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