April weather forecast
Copperville, AK

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Weather in April

April is an icy spring month in Copperville, Alaska, with an average temperature fluctuating between 18.9°F (-7.3°C) and 35.4°F (1.9°C).

Temperature

As Copperville welcomes April, the average high-temperature sees a rise, transitioning from a freezing cold 22.3°F (-5.4°C) in March to a wintry 35.4°F (1.9°C). Throughout the month of April, Copperville sees a steady low-temperature average of 18.9°F (-7.3°C).

Humidity

In Copperville, the average relative humidity in April is 83%.

Rainfall

April is the month with the least rainfall. Rain falls for 5 days and accumulates 0.2" (5mm) of precipitation.

Snowfall

Months with snowfall are January through May, September through December. In Copperville, during April, snow falls for 4.1 days and regularly aggregates up to 1.1" (28mm) of snow. In Copperville, during the entire year, snow falls for 54.8 days and aggregates up to 17.13" (435mm) of snow.

Daylight

The average length of the day in April is 14h and 54min.
On the first day of the month, sunrise is at 6:59 am and sunset at 8:30 pm. On the last day of April, sunrise is at 5:27 am and sunset at 9:50 pm AKDT.

Sunshine

In April, the average sunshine in Copperville is 9h.

UV index

The months with the lowest UV index in Copperville are January through April, September through December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A daily maximum UV index of 2 in April translates into the following instructions:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
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Frequently asked questions

How cold is it in Copperville in April?

In April, the average high-temperature and low-temperature in Copperville, Alaska, are 35.4°F (1.9°C) and 18.9°F (-7.3°C) respectively.

What is the average humidity in April in Copperville?

In Copperville, the average relative humidity in April is 83%.

What is the driest month in Copperville?

The month with the least rainfall is April, when the rain falls for 5 days and typically collects 0.2" (5mm) of precipitation.

How many days does it rain in April in Copperville?

In Copperville, Alaska, in April, during 5 rainfall days, 0.2" (5mm) of precipitation is typically accumulated.

How many days does it snow in April in Copperville?

In Copperville, in April, snow falls for 4.1 days, with typically accumulated 1.1" (28mm) of snow.

How many hours of daylight does Copperville have in April?

In Copperville, Alaska, the average day length in April is 14h and 54min.

When is the sunrise / sunset in April in Copperville?

In April, on the first day of the month, sunrise is at 6:59 am and sunset at 8:30 pm. On the last day of the month, in Copperville, sunrise is at 5:27 am and sunset at 9:50 pm AKDT.

How long on average sun shines in April in Copperville?

In Copperville, the average sunshine duration in April is 9h.

When is the lowest UV index in Copperville?

The months with the lowest UV index in Copperville, Alaska, are January through April, September through December, with an average maximum UV index of 2.

What is the UV index reading in April in Copperville?

In April, the average daily maximum UV index in Copperville, Alaska, is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health 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
Copperville, AK

Average temperature in April - Copperville, AK
  • Average high temperature in April: 35.4°F

The warmest month (with the highest average high temperature) is July (67.5°F).
The month with the lowest average high temperature is January (9.1°F).

  • Average low temperature in April: 18.9°F

The month with the highest average low temperature is July (47.5°F).
The coldest month (with the lowest average low temperature) is January (-1.8°F).

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Average pressure in April
Copperville, AK

Average pressure in April - Copperville, AK
  • Average pressure in April: 29.86"Hg

The month with the highest atmospheric pressure is July (29.95"Hg).
The months with the lowest atmospheric pressure are September, October, November and December (29.78"Hg).

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Average wind speed in April
Copperville, AK

Average wind speed in April - Copperville, AK
  • Average wind speed in April: 4.7mph

The windiest month (with the highest average wind speed) is June (6.2mph).
The calmest months (with the lowest average wind speed) are January and December (4.5mph).

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Average humidity in April
Copperville, AK

Average humidity in April - Copperville, AK
  • Average humidity in April: 83%

The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is June (57%).

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Average rainfall in April
Copperville, AK

Average rainfall in April - Copperville, AK
  • Average rainfall in April: 0.2"

The wettest month (with the highest rainfall) is August (0.91").
The driest month (with the least rainfall) is April (0.2").

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Average rainfall days in April
Copperville, AK

Average rainfall days in April - Copperville, AK
  • Average rainfall days in April: 5 days

The month with the highest number of rainy days is August (11.3 days).
The months with the least rainy days are February and November (3.7 days).

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Average snowfall in April
Copperville, AK

Average snowfall in April - Copperville, AK
  • Average snowfall in April: 1.1"

The month with the highest snowfall is December (4.57").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in April
Copperville, AK

Average snowfall days in April - Copperville, AK
  • Average snowfall days in April: 4.1 days

The month with the highest number of snowfall days is December (11.2 days).
The months with the least snowfall days are June and July (0 days).

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Average daylight in April /
Average sunshine in April
Copperville, AK

Average daylight in April / Average sunshine in April - Copperville, AK
  • Average daylight in April: 14h and 5min

The month with the longest days is June (Average daylight: 19h and 36min).
The month with the shortest days is December (Average daylight: 5h and 18min).

  • Average sunshine in April: 9h and 0min

The month with the most sunshine is June (Average sunshine: 14h and 12min).
The months with the least sunshine are January and December (Average sunshine: 3h and 54min).

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Average sunshine days in April
Copperville, AK

Average sunshine days in April - Copperville, AK
  • Average sunshine days in April: 23.2 days

The month with the most sunshine days is March (24.2 days).
The month with the least sunshine days is August (17.3 days).

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Average UV index in April
Copperville, AK

Average UV index in April - Copperville, AK
  • Average UV index in April: 2

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, April, September, October, November and December (UV index 2).

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Average cloud cover in April
Copperville, AK

Average cloud cover in April - Copperville, AK
  • Average cloud cover in April: 41

The month with the most cloud cover is December (Cloud cover 43).
The month with the least cloud cover is July (Cloud cover 33).

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Average visibility in April
Copperville, AK

Average visibility in April - Copperville, AK
  • Average visibility in April: 5mi

The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January and March (4mi).

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Copperville, Alaska, USA

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