April weather forecast
Port Graham, AK

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Weather in April

April, the same as March, is another cold spring month in Port Graham, Alaska, with an average temperature varying between 38.3°F (3.5°C) and 33.1°F (0.6°C).

Temperature

Port Graham's transition into April is marked by a minor temperature shift, moving from an icy 32.4°F (0.2°C) in March to a still wintry 38.3°F (3.5°C). An average low-temperature of 33.1°F (0.6°C), slightly less than the daytime peak, marks the month of April.

Humidity

In Port Graham, Alaska, the average relative humidity in April is 81%.

Rainfall

In Port Graham, in April, it is raining for 14.8 days, with typically 2.17" (55mm) of accumulated precipitation. In Port Graham, during the entire year, the rain falls for 179.8 days and collects up to 36.57" (929mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall in Port Graham. In Port Graham, during April, snow falls for 7.6 days and regularly aggregates up to 3.7" (94mm) of snow. In Port Graham, Alaska, during the entire year, snow falls for 70.1 days and aggregates up to 38.58" (980mm) of snow.

Daylight

The average length of the day in April in Port Graham, Alaska, is 14h and 35min.
On the first day of April in Port Graham, Alaska, sunrise is at 7:30 am and sunset at 8:51 pm. On the last day of the month, sunrise is at 6:07 am and sunset at 10:00 pm AKDT.

Sunshine

In April, the average sunshine in Port Graham, Alaska, is 6.2h.

UV index

January through May, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Port Graham, Alaska. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: An average UV index of 2 in April transforms into this advice:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
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Frequently asked questions

Is it cold in Port Graham during April?

Port Graham in April has an average high-temperature of 38.3°F (3.5°C) and an average low-temperature of 33.1°F (0.6°C).

What is the average humidity in April in Port Graham?

In April, the average relative humidity is 81%.

How much does it rain in Port Graham in April?

In April, the rain falls for 14.8 days. Throughout April, 2.17" (55mm) of precipitation is accumulated.

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

In Port Graham, Alaska, in April, during 7.6 snowfall days, 3.7" (94mm) of snow is typically accumulated.

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

The average day length in April in Port Graham is 14h and 35min.

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

On the first day of April in Port Graham, sunrise is at 7:30 am and sunset at 8:51 pm. On the last day of the month, sunrise is at 6:07 am and sunset at 10:00 pm AKDT.

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

In April, the average sunshine duration in Port Graham is 6.2h.

When is the lowest UV index in Port Graham?

January through May, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Port Graham.

How high is the UV index in April in Port Graham?

In April, the average daily maximum UV index in Port Graham is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from 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 Graham, AK

Average temperature in April - Port Graham, AK
  • Average high temperature in April: 38.3°F

The warmest months (with the highest average high temperature) are July and August (55.9°F).
The month with the lowest average high temperature is January (29.8°F).

  • Average low temperature in April: 33.1°F

The month with the highest average low temperature is August (50.4°F).
The coldest month (with the lowest average low temperature) is January (25.9°F).

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Average pressure in April
Port Graham, AK

Average pressure in April - Port Graham, AK
  • Average pressure in April: 29.78"Hg

The month with the highest atmospheric pressure is July (29.96"Hg).
The month with the lowest atmospheric pressure is December (29.6"Hg).

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Average wind speed in April
Port Graham, AK

Average wind speed in April - Port Graham, AK
  • Average wind speed in April: 8.6mph

The windiest month (with the highest average wind speed) is December (12.2mph).
The calmest month (with the lowest average wind speed) is June (6.2mph).

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Average humidity in April
Port Graham, AK

Average humidity in April - Port Graham, AK
  • Average humidity in April: 81%

The months with the highest relative humidity are July and August (84%).
The months with the lowest relative humidity are May and November (78%).

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Average rainfall in April
Port Graham, AK

Average rainfall in April - Port Graham, AK
  • Average rainfall in April: 2.17"

The wettest month (with the highest rainfall) is December (5.2").
The driest month (with the least rainfall) is June (1.38").

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Average rainfall days in April
Port Graham, AK

Average rainfall days in April - Port Graham, AK
  • Average rainfall days in April: 14.8 days

The month with the highest number of rainy days is September (18.8 days).
The month with the least rainy days is February (9 days).

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Average snowfall in April
Port Graham, AK

Average snowfall in April - Port Graham, AK
  • Average snowfall in April: 3.7"

The month with the highest snowfall is February (8.98").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in April
Port Graham, AK

Average snowfall days in April - Port Graham, AK
  • Average snowfall days in April: 7.6 days

The month with the highest number of snowfall days is February (13.3 days).
The months with the least snowfall days are June, July and August (0 days).

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

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

The month with the longest days is June (Average daylight: 18h and 30min).
The month with the shortest days is December (Average daylight: 6h and 12min).

  • Average sunshine in April: 6h and 1min

The month with the most sunshine is July (Average sunshine: 8h and 54min).
The month with the least sunshine is December (Average sunshine: 2h and 30min).

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Average sunshine days in April
Port Graham, AK

Average sunshine days in April - Port Graham, AK
  • Average sunshine days in April: 10.3 days

The month with the most sunshine days is July (13.7 days).
The month with the least sunshine days is December (7.5 days).

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Average UV index in April
Port Graham, AK

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

The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January, February, March, April, May, October, November and December (UV index 2).

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Average cloud cover in April
Port Graham, AK

Average cloud cover in April - Port Graham, AK
  • Average cloud cover in April: 58

The month with the most cloud cover is December (Cloud cover 64).
The month with the least cloud cover is July (Cloud cover 51).

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Average visibility in April
Port Graham, AK

Average visibility in April - Port Graham, AK
  • Average visibility in April: 6mi

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

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Port Graham, Alaska, USA

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