April weather forecast
Port Alsworth, AK

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Weather in April

April is an icy spring month in Port Alsworth, Alaska, with an average temperature fluctuating between 33.3°F (0.7°C) and 21.4°F (-5.9°C).

Temperature

Port Alsworth's transition into April brings a rise in the average high-temperature, moving from a subzero cold 23.2°F (-4.9°C) in March to a wintry 33.3°F (0.7°C). Port Alsworth experiences an average nighttime temperature of 21.4°F (-5.9°C) in the month of April.

Humidity

In April, the average relative humidity is 88%.

Rainfall

In Port Alsworth, in April, during 15 rainfall days, 1.77" (45mm) of precipitation is typically accumulated. In Port Alsworth, during the entire year, the rain falls for 190.3 days and collects up to 31.5" (800mm) of precipitation.

Snowfall

Months with snowfall in Port Alsworth, Alaska, are January through May, August through December. In Port Alsworth, in April, snow falls for 11.7 days, with typically accumulated 5.98" (152mm) of snow. Throughout the year, in Port Alsworth, there are 104.8 snowfall days, and 70.24" (1784mm) of snow is accumulated.

Daylight

In Port Alsworth, the average length of the day in April is 14h and 41min.
On the first day of the month, sunrise is at 7:38 am and sunset at 9:03 pm. On the last day of April, sunrise is at 6:13 am and sunset at 10:15 pm AKDT.

Sunshine

In Port Alsworth, Alaska, the average sunshine in April is 6.1h.

UV index

In April, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum high daily UV index of 2 during April translates into the following directions:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
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Frequently asked questions

How cold is April in Port Alsworth?

The high-temperature, in April, in Port Alsworth, is 33.3°F (0.7°C), while the low-temperature averages to 21.4°F (-5.9°C).

What is the average humidity in April in Port Alsworth?

The average relative humidity in April in Port Alsworth is 88%.

How many days does it rain in April in Port Alsworth?

In Port Alsworth, Alaska, during April, the rain falls for 15 days and regularly aggregates up to 1.77" (45mm) of precipitation.

How much does it snow in Port Alsworth in April?

In Port Alsworth, Alaska, in April, during 11.7 snowfall days, 5.98" (152mm) of snow is typically accumulated.

What is the average length of the day in April in Port Alsworth?

In April, the average day length in Port Alsworth, Alaska, is 14h and 41min.

When is the sunrise / sunset in April in Port Alsworth?

In April, on the first day of the month, sunrise is at 7:38 am and sunset at 9:03 pm. On the last day of the month, in Port Alsworth, sunrise is at 6:13 am and sunset at 10:15 pm AKDT.

How many hours of sunshine does Port Alsworth have in April?

The average sunshine duration in April in Port Alsworth is 6.1h.

What is the UV index reading in April in Port Alsworth?

The average daily maximum UV index in April in Port Alsworth is 2. A UV Index reading of 2, and below, represents a low 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
Port Alsworth, AK

Average temperature in April - Port Alsworth, AK
  • Average high temperature in April: 33.3°F

The warmest month (with the highest average high temperature) is July (58.3°F).
The month with the lowest average high temperature is January (15.4°F).

  • Average low temperature in April: 21.4°F

The month with the highest average low temperature is July (46°F).
The coldest month (with the lowest average low temperature) is January (5.2°F).

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Average pressure in April
Port Alsworth, AK

Average pressure in April - Port Alsworth, AK
  • Average pressure in April: 29.8"Hg

The month with the highest atmospheric pressure is July (29.95"Hg).
The month with the lowest atmospheric pressure is December (29.65"Hg).

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Average wind speed in April
Port Alsworth, AK

Average wind speed in April - Port Alsworth, AK
  • Average wind speed in April: 5.6mph

The windiest month (with the highest average wind speed) is December (6.8mph).
The calmest month (with the lowest average wind speed) is June (5mph).

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Average humidity in April
Port Alsworth, AK

Average humidity in April - Port Alsworth, AK
  • Average humidity in April: 88%

The month with the highest relative humidity is March (90%).
The months with the lowest relative humidity are May and June (74%).

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Average rainfall in April
Port Alsworth, AK

Average rainfall in April - Port Alsworth, AK
  • Average rainfall in April: 1.77"

The wettest month (with the highest rainfall) is September (4.21").
The driest month (with the least rainfall) is January (1.42").

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Average rainfall days in April
Port Alsworth, AK

Average rainfall days in April - Port Alsworth, AK
  • Average rainfall days in April: 15 days

The month with the highest number of rainy days is August (23.6 days).
The month with the least rainy days is December (8.4 days).

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Average snowfall in April
Port Alsworth, AK

Average snowfall in April - Port Alsworth, AK
  • Average snowfall in April: 5.98"

The month with the highest snowfall is December (15.63").
The months with the least snowfall are June and July (0").

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Average snowfall days in April
Port Alsworth, AK

Average snowfall days in April - Port Alsworth, AK
  • Average snowfall days in April: 11.7 days

The month with the highest number of snowfall days is December (18.5 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
Port Alsworth, AK

Average daylight in April / Average sunshine in April - Port Alsworth, AK
  • Average daylight in April: 14h and 4min

The month with the longest days is June (Average daylight: 18h and 48min).
The month with the shortest days is December (Average daylight: 6h and 0min).

  • Average sunshine in April: 6h and 1min

The month with the most sunshine is May (Average sunshine: 9h and 0min).
The month with the least sunshine is December (Average sunshine: 3h and 18min).

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Average sunshine days in April
Port Alsworth, AK

Average sunshine days in April - Port Alsworth, AK
  • Average sunshine days in April: 8.8 days

The month with the most sunshine days is January (12.7 days).
The month with the least sunshine days is June (4.8 days).

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Average UV index in April
Port Alsworth, AK

Average UV index in April - Port Alsworth, AK
  • Average UV index in April: 2

The months with the highest UV index are May, June and July (UV index 3).
The months with the lowest UV index are November and December (UV index 1).

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Average cloud cover in April
Port Alsworth, AK

Average cloud cover in April - Port Alsworth, AK
  • Average cloud cover in April: 59

The month with the most cloud cover is August (Cloud cover 63).
The month with the least cloud cover is January (Cloud cover 47).

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Average visibility in April
Port Alsworth, AK

Average visibility in April - Port Alsworth, AK
  • Average visibility in April: 4mi

The months with the highest visibility are May and June (6mi).
The months with the lowest visibility are March and April (4mi).

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Port Alsworth, Alaska, USA

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