April weather forecast
Port Graham, AK

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Weather in April

April, like March, in Port Graham, Alaska, is an icy spring month, with an average temperature varying between 33.1°F (0.6°C) and 38.3°F (3.5°C).

Temperature

As April arrives, a slight rise in the average high-temperature is observed, moving from an icy 32.4°F (0.2°C) in March to a still cold 38.3°F (3.5°C). Port Graham's April nights demonstrate minimal variation from the daytime temperatures, with an average of 33.1°F (0.6°C).

Humidity

In April, the average relative humidity is 81%.

Rainfall

In Port Graham, Alaska, in April, during 14.8 rainfall days, 2.17" (55mm) of precipitation is typically accumulated. 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, during April, snow falls for 7.6 days and regularly aggregates up to 3.7" (94mm) of snow. Throughout the year, in Port Graham, there are 70.1 snowfall days, and 38.58" (980mm) of snow is accumulated.

Daylight

In April, the average length of the day is 14h and 35min.
On the first day of April, 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 Port Graham, the average sunshine in April is 6.2h.

UV index

The months with the lowest UV index are January through May, October through December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the average person.
Note: In April, a daily UV index of 2 turns into the following recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Updated: Aug 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is April cold?

During April, Port Graham experiences an average high-temperature of 38.3°F (3.5°C) and a 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 many days does it rain in April?

In Port Graham, in April, it is raining for 14.8 days, with typically 2.17" (55mm) of accumulated precipitation.

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

In Port Graham, in April, snow falls for 7.6 days, with typically accumulated 3.7" (94mm) of snow.

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

In April, the average day length is 14h and 35min.

When is the sunrise / sunset in April?

On the first day of April, 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, the average sunshine duration in April is 6.2h.

What is the month with the lowest UV index?

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

How high is the UV index in April?

In Port Graham, the average daily maximum UV index in April is 2. A UV Index of 2, and less, symbolizes a low health threat 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
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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

Port Graham, Alaska, USA

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