April weather forecast and climate
Port Clarence, AK

Weather in April

April in Port Clarence, Alaska, is a subzero cold spring month, with average temperature ranging between max 23.2°F (-4.9°C) and min 13.3°F (-10.4°C).

Temperature

In Port Clarence, the average high-temperature in April rises, from a frigid cold 11.7°F (-11.3°C) in March, to a subzero cold 23.2°F (-4.9°C). In Port Clarence, in April, the average low-temperature is 13.3°F (-10.4°C).

Humidity

The average relative humidity in April is 91%.

Rainfall

In Port Clarence, during April, the rain falls for 4.1 days and regularly aggregates up to 0.87" (22mm) of precipitation. In Port Clarence, Alaska, during the entire year, the rain falls for 86.5 days and collects up to 14.25" (362mm) of precipitation.

Snowfall

Months with snowfall in Port Clarence are January through June, September through December. In Port Clarence, in April, during 13 snowfall days, 2.91" (74mm) of snow is typically accumulated. Throughout the year, in Port Clarence, there are 90 snowfall days, and 20.51" (521mm) of snow is accumulated.

Daylight

The average length of the day in April is 15.4h.

Sunshine

In Port Clarence, the average sunshine is 4.7h.

UV index

January through April, October through December, with an average maximum UV index of 1, are months with the lowest UV index in Port Clarence, Alaska. A UV Index of 2, and less, symbolizes a minimal health hazard from the exposure to the Sun's UV radiation for the average person.
Note: The daily maximum UV index of 1 in April interpret into the following advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in April in Port Clarence?

In Port Clarence, in April, the average high-temperature is 23.2°F (-4.9°C), and the average low-temperature is 13.3°F (-10.4°C).

What is the average humidity in April in Port Clarence?

In Port Clarence, the average relative humidity in April is 91%.

How much does it rain in Port Clarence in April?

In Port Clarence, in April, during 4.1 rainfall days, 0.87" (22mm) of precipitation is typically accumulated.

How many days does it snow in April in Port Clarence?

In April, it is snowing for 13 days. Throughout April, 2.91" (74mm) of snow is accumulated.

How many hours of daylight does Port Clarence have in April?

In April, the average length of the day in Port Clarence is 15.4h.

How long on average sun shines in April in Port Clarence?

In Port Clarence, Alaska, the average sunshine in April is 4.7h.

What are the months with the lowest UV index in Port Clarence?

January through April, October through December, with an average maximum UV index of 1, are months with the lowest UV index in Port Clarence, Alaska.

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

In April, the average daily maximum UV index in Port Clarence is 1. A UV Index value of 2, and less, symbolizes a low health threat from unprotected exposure to the UV radiation.

Average temperature in April
Port Clarence, AK

Average temperature in April - Port Clarence, AK
  • Average high temperature in April: 23.2°F

The warmest month (with the highest average high temperature) is August (50°F).
The month with the lowest average high temperature is January (9°F).

  • Average low temperature in April: 13.3°F

The month with the highest average low temperature is August (45.3°F).
The coldest months (with the lowest average low temperature) are February and March (1.8°F).

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Average pressure in April
Port Clarence, AK

Average pressure in April - Port Clarence, AK
  • Average pressure in April: 29.89"

The month with the highest atmospheric pressure is May (29.96").
The month with the lowest atmospheric pressure is October (29.72").

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Average wind speed in April
Port Clarence, AK

Average wind speed in April - Port Clarence, AK
  • Average wind speed in April: 13.2mph

The windiest month (with the highest average wind speed) is December (17.5mph).
The calmest month (with the lowest average wind speed) is May (12mph).

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Average humidity in April
Port Clarence, AK

Average humidity in April - Port Clarence, AK
  • Average humidity in April: 91%

The month with the highest relative humidity is March (93%).
Months with the lowest relative humidity are October and November (79%).

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Average rainfall in April
Port Clarence, AK

Average rainfall in April - Port Clarence, AK
  • Average rainfall in April: 0.87"

The wettest month (with the highest rainfall) is August (2.01").
The driest month (with the least rainfall) is January (0.67").

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Average rainfall days in April
Port Clarence, AK

Average rainfall days in April - Port Clarence, AK
  • Average rainfall days in April: 4.1 days

The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is January (1.3 days).

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Average snowfall in April
Port Clarence, AK

Average snowfall in April - Port Clarence, AK
  • Average snowfall in April: 2.91"

The month with the highest snowfall is February (3.62").
Months with the least snowfall are July and August (0").

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Average snowfall days in April
Port Clarence, AK

Average snowfall days in April - Port Clarence, AK
  • Average snowfall days in April: 13 days

The month with the highest number of snowfall days is April (13 days).
The month with the least snowfall days is July (0 days).

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Average daylight in April /
Average sunshine in April
Port Clarence, AK

Average daylight in April / Average sunshine in April - Port Clarence, AK
  • Average daylight in April: 15.4h

The month with the longest days is June (Average daylight: 22h).
The month with the shortest days is December (Average daylight: 3.7h).

  • Average sunshine in April: 4.7h

The month with the most sunshine is August (Average sunshine: 5.7h).
The month with the least sunshine is June (Average sunshine: 0.6h).

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Average sunshine days in April
Port Clarence, AK

Average sunshine days in April - Port Clarence, AK
  • Average sunshine days in April: 12.8 days

The month with the most sunshine days is June (18.4 days).
The month with the least sunshine days is October (11.1 days).

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Average UV index in April
Port Clarence, AK

Average UV index in April - Port Clarence, AK
  • Average UV index in April: 1

The month with the highest UV index is July (UV index 3).
Months with the lowest UV index are January, February, March, April, October, November and December (UV index 1).

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Average cloud cover in April
Port Clarence, AK

Average cloud cover in April - Port Clarence, AK
  • Average cloud cover in April: 73

The month with the most cloud cover is February (Cloud cover 78).
The month with the least cloud cover is June (Cloud cover 52).

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Average visibility in April
Port Clarence, AK

Average visibility in April - Port Clarence, AK
  • Average visibility in April: 5mi

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

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