April weather forecast
Seward, AK

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The busy Small Boat Harbor in Seward City, Alaska
The busy Small Boat Harbor in Seward City, Alaska

Weather in April

Unlike the snow-laden March, April witnesses a dramatic plunge in snowfall, signifying the departure of winter in Seward, Alaska. The precipitation turns to rain, with an average of 3.62" (92mm). With the advent of spring, the overall weather pattern becomes more pleasant. The winds start to mellow down as April progresses, leading to warmer days and cooler nights. Meanwhile, the sunshine duration per day starts increasing, hinting at the forthcoming summer months.

Temperature

The embrace of April brings a minor uplift in the average high-temperature, shifting from a subzero cold 29.8°F (-1.2°C) in March to a wintry 35.4°F (1.9°C). An average nighttime temperature of 25.2°F (-3.8°C) is observed during April.

Humidity

March, April and December, with an average relative humidity of 87%, are the most humid months.

Rainfall

In Seward, during April, the rain falls for 13.8 days and regularly aggregates up to 3.62" (92mm) of precipitation. In Seward, during the entire year, the rain falls for 166.9 days and collects up to 56.06" (1424mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Seward, during April, snow falls for 9.8 days and regularly aggregates up to 8.39" (213mm) of snow. Throughout the year, in Seward, Alaska, there are 72 snowfall days, and 73.19" (1859mm) of snow is accumulated.

Ocean temperature

In April, the average ocean temperature in Seward, Alaska, is 39.9°F (4.4°C).
Note: In the water-based sport of swimming, this state is life-threatening and exceedingly dangerous. The freezing water causes severe discomfort, leading to rapid hyperventilation. A specialized swimsuit is compulsory to avert thermal damage.

Daylight

In April, the average length of the day in Seward, Alaska, is 14h and 40min.
On the first day of April in Seward, sunrise is at 7:19 am and sunset at 8:43 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 9:55 pm AKDT.

Sunshine

The average sunshine in April is 6.8h.

UV index

In April, the average daily maximum UV index in Seward is 2. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for average individuals.
Note: In April, the maximum UV index of 2 suggests this advice:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. To protect against the Sun's most potent rays, avoid direct exposure around midday. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
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Frequently asked questions

How cold is April in Seward?

In Seward, in April, the average high-temperature is 35.4°F (1.9°C), and the average low-temperature is 25.2°F (-3.8°C).

What is the most humid month in Seward?

The months with the highest humidity are March, April and December, with an average relative humidity of 87%.

What is the average humidity in April in Seward?

In April, the average relative humidity is 87%.

How many days does it rain in April in Seward?

In April, in Seward, Alaska, the rain falls for 13.8 days. Throughout April, 3.62" (92mm) of precipitation is accumulated.

How much does it snow in Seward in April?

In Seward, in April, during 9.8 snowfall days, 8.39" (213mm) of snow is typically accumulated.

How cold is the water in April in Seward?

In April, the average ocean temperature in Seward is 39.9°F (4.4°C). For swimming, this is considered life-threatening and very dangerous. The water feels painfully cold, and hyperventilation quickly occurs. A specialized swimsuit is mandatory to reduce thermal damage.

How many hours of daylight does Seward have in April?

In April, the average day length in Seward is 14h and 40min.

When are sunrise and sunset in April in Seward?

In April, on the first day of the month, sunrise is at 7:19 am and sunset at 8:43 pm. On the last day of the month, in Seward, Alaska, sunrise is at 5:54 am and sunset at 9:55 pm AKDT.

How long on average sun shines in April in Seward?

In April, the average sunshine duration is 6.8h.

What is the UV index intensity in April in Seward?

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

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

The warmest month (with the highest average high temperature) is July (56.8°F).
The month with the lowest average high temperature is January (24.6°F).

  • Average low temperature in April: 25.2°F

The month with the highest average low temperature is July (47.8°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).

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Average pressure in April
Seward, AK

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

The month with the highest atmospheric pressure is July (29.98"Hg).
The month with the lowest atmospheric pressure is November (29.61"Hg).

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Average wind speed in April
Seward, AK

Average wind speed in April - Seward, AK
  • Average wind speed in April: 5.9mph

The windiest month (with the highest average wind speed) is November (8.9mph).
The calmest month (with the lowest average wind speed) is June (4.8mph).

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Average humidity in April
Seward, AK

Average humidity in April - Seward, AK
  • Average humidity in April: 87%

The months with the highest relative humidity are March, April and December (87%).
The month with the lowest relative humidity is June (80%).

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Average rainfall in April
Seward, AK

Average rainfall in April - Seward, AK
  • Average rainfall in April: 3.62"

The wettest month (with the highest rainfall) is December (7.64").
The driest month (with the least rainfall) is June (2.09").

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Average rainfall days in April
Seward, AK

Average rainfall days in April - Seward, AK
  • Average rainfall days in April: 13.8 days

The month with the highest number of rainy days is August (19 days).
The month with the least rainy days is February (7.6 days).

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Average snowfall in April
Seward, AK

Average snowfall in April - Seward, AK
  • Average snowfall in April: 8.39"

The month with the highest snowfall is February (18.35").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in April
Seward, AK

Average snowfall days in April - Seward, AK
  • Average snowfall days in April: 9.8 days

The month with the highest number of snowfall days is March (14.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average sea temperature in April
Seward, AK

Average sea temperature in April - Seward, AK
  • Average sea temperature in April: 39.9°F

The best month for swimming (with the highest average sea temperature) is August (56°F).
The coldest month (with the lowest average sea temperature) is March (39°F).

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

Average daylight in April / Average sunshine in April - Seward, 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 5min

The month with the most sunshine is June (Average sunshine: 9h and 30min).
The months with the least sunshine are January and December (Average sunshine: 3h and 6min).

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Average sunshine days in April
Seward, AK

Average sunshine days in April - Seward, AK
  • Average sunshine days in April: 11 days

The month with the most sunshine days is January (13.8 days).
The month with the least sunshine days is September (10.6 days).

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Average UV index in April
Seward, AK

Average UV index in April - Seward, 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, October, November and December (UV index 1).

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Average cloud cover in April
Seward, AK

Average cloud cover in April - Seward, AK
  • Average cloud cover in April: 54

The month with the most cloud cover is December (Cloud cover 55).
The months with the least cloud cover are March and November (Cloud cover 50).

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Average visibility in April
Seward, AK

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

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

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Seward, Alaska, USA

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