April weather - Spring 2024

Weather in April
Frequently asked questions
Average temperature in April
Average pressure in April
Average wind speed in April
Average humidity in April
Average rainfall in April
Average rainfall days in April
Average snowfall in April
Average snowfall days in April
Average sea temperature in April
Average daylight in April
Average sunshine in April
Average sunshine days in April
Average UV index in April
Average cloud cover in April
Average visibility in April

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 start of April brings a subtle rise in the average high-temperature, moving from a freezing cold 29.8°F (-1.2°C) in March to an icy 35.4°F (1.9°C). In the month of April, Seward witnesses a consistent average low-temperature of 25.2°F (-3.8°C).

Humidity

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

Rainfall

In Seward, during April, the rain falls for 13.8 days and regularly aggregates up to 3.62" (92mm) of precipitation. Throughout the year, there are 166.9 rainfall days, and 56.06" (1424mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Seward 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. In Seward, during the entire year, snow falls for 72 days and aggregates up to 73.19" (1859mm) of snow.

Ocean temperature

In Seward, Alaska, the average seawater temperature in April is 39.9°F (4.4°C).
Note: In swimming engagements, this poses immediate life-threatening risks. The loss of breath control is instantaneous, thereby hindering clear thought. A specialized swimsuit is mandatory to limit thermal dissipation.

Daylight

In April, the average length of the day 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

In April, the average sunshine is 6.8h.

UV index

In Seward, the average daily maximum UV index in April is 2. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The daily high UV index of 2 during April translates into the following recommendations:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.

Updated: Jun 3, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in April?

During April, Seward experiences an average high-temperature of 35.4°F (1.9°C) and a low-temperature of 25.2°F (-3.8°C).

What are the most humid months?

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

What is the average humidity in April?

The average relative humidity in April is 87%.

How many days does it rain in April?

In Seward, in April, it is raining for 13.8 days, with typically 3.62" (92mm) of accumulated precipitation.

How much does it snow in April?

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

What is the ocean temperature in April?

In Seward, in April, the average water temperature is 39.9°F (4.4°C). For swimming, this is considered very dangerous and immediately life-threatening. Total loss of breathing control instantly occurs, and clear thinking becomes almost impossible. A specialized swimsuit is obligatory to minimize thermal loss.

What is the average length of the day in April?

The average day length in April is 14h and 40min.

What time are sunrise and sunset in April?

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, sunrise is at 5:54 am and sunset at 9:55 pm AKDT.

How long on average sun shines in April?

In April, the average sunshine duration is 6.8h.

How high is the UV index in April?

In April, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low health threat from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M April M J J A S O N D

Mar

April

May

Average high temperature

29.8°F -1.2°C

35.4°F 1.9°C

44.2°F 6.8°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

7.6mph 12.2km/h

6.3mph 10.1km/h

5.8mph 9.3km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

14.3

9.8

0.8

Average sea temperature

Average daylight

Average sunshine

Average sunshine days

12.9

11.9

Average UV index

Average cloud cover

Average visibility

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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

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).

April weather forecast
Seward, AK

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