April weather forecast
Anchorage, AK

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Wintertime in Anchorage, Alaska with mountains blanketed in snow
Wintertime in Anchorage, Alaska with mountains blanketed in snow

Weather in April

April witnesses more consistent progress towards milder weather conditions in Anchorage. Winter is receding into the rearview mirror as frosty winds lessen and temperatures rise from March levels. The increased amount of sunlight works its thawing magic, diminishing snowfall to an all-time low and coaxing spring blooms from their slumber. Daylight steadily extends, lending more time to outdoor activities. Despite the temperature difference between day and night, April sets a upturning stage marking the departure from the long Alaskan winter.

Temperature

An upsurge in temperatures occurs as March gives way to April, with average highs shifting from a freezing cold 28.9°F (-1.7°C) to a wintry 39.6°F (4.2°C). Anchorage observes an average nighttime temperature of 29.7°F (-1.3°C) during April.

Humidity

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

Rainfall

In Anchorage, in April, it is raining for 10.8 days, with typically 0.67" (17mm) of accumulated precipitation. Throughout the year, there are 139.9 rainfall days, and 12.6" (320mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Anchorage are January through May, September through December. In Anchorage, in April, during 5.4 snowfall days, 2.09" (53mm) of snow is typically accumulated. In Anchorage, during the entire year, snow falls for 59.3 days and aggregates up to 23.5" (597mm) of snow.

Ocean temperature

In April, the average ocean temperature in Anchorage is 37.4°F (3°C).
Note: During swimming events, this situation presents an imminent life risk. Instantaneous loss of breath control makes clear thinking a near impossibility. A specialized swimsuit is compulsory to limit thermal dissipation.

Daylight

In April, the average length of the day is 14h and 48min.
On the first day of April in Anchorage, Alaska, sunrise is at 7:19 am and sunset at 8:47 pm. On the last day of the month, sunrise is at 5:50 am and sunset at 10:03 pm AKDT.

Sunshine

In April, the average sunshine is 8.6h.

UV index

In Anchorage, the average daily maximum UV index in April is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: A maximum high UV index of 2 in April translates into the following recommendations:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
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Frequently asked questions

How cold is it in Anchorage in April?

The high-temperature, in April, in Anchorage, records 39.6°F (4.2°C), while the low-temperature is 29.7°F (-1.3°C).

What is the average humidity in April in Anchorage?

The average relative humidity in April in Anchorage is 81%.

How many days does it rain in April in Anchorage?

In Anchorage, during April, the rain falls for 10.8 days and regularly aggregates up to 0.67" (17mm) of precipitation.

How much does it snow in Anchorage in April?

In Anchorage, during April, snow falls for 5.4 days and regularly aggregates up to 2.09" (53mm) of snow.

How cold is the water in April in Anchorage?

In Anchorage, Alaska, the average seawater temperature in April is 37.4°F (3°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.

What is the average length of the day in April in Anchorage?

In Anchorage, the average day length in April is 14h and 48min.

What time are sunrise and sunset in April in Anchorage?

In April, on the first day of the month, sunrise is at 7:19 am and sunset at 8:47 pm. On the last day of the month, in Anchorage, Alaska, sunrise is at 5:50 am and sunset at 10:03 pm AKDT.

How many hours of sunshine does Anchorage have in April?

In Anchorage, the average sunshine duration in April is 8.6h.

How high is the UV index in April in Anchorage?

In April, the average daily maximum UV index in Anchorage, Alaska, is 2. A UV Index reading of 2, and below, represents 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
Anchorage, AK

Average temperature in April - Anchorage, AK
  • Average high temperature in April: 39.6°F

The warmest month (with the highest average high temperature) is July (61.9°F).
The month with the lowest average high temperature is January (20.3°F).

  • Average low temperature in April: 29.7°F

The month with the highest average low temperature is July (51.3°F).
The coldest month (with the lowest average low temperature) is January (13.1°F).

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Average pressure in April
Anchorage, AK

Average pressure in April - Anchorage, AK
  • Average pressure in April: 29.82"Hg

The month with the highest atmospheric pressure is July (29.96"Hg).
The months with the lowest atmospheric pressure are November and December (29.67"Hg).

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Average wind speed in April
Anchorage, AK

Average wind speed in April - Anchorage, AK
  • Average wind speed in April: 5.2mph

The windiest month (with the highest average wind speed) is November (6.3mph).
The calmest month (with the lowest average wind speed) is July (4.5mph).

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Average humidity in April
Anchorage, AK

Average humidity in April - Anchorage, AK
  • Average humidity in April: 81%

The months with the highest relative humidity are January, February and March (86%).
The month with the lowest relative humidity is May (68%).

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Average rainfall in April
Anchorage, AK

Average rainfall in April - Anchorage, AK
  • Average rainfall in April: 0.67"

The wettest month (with the highest rainfall) is September (1.93").
The driest month (with the least rainfall) is May (0.55").

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Average rainfall days in April
Anchorage, AK

Average rainfall days in April - Anchorage, AK
  • Average rainfall days in April: 10.8 days

The month with the highest number of rainy days is August (17.9 days).
The month with the least rainy days is February (7 days).

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Average snowfall in April
Anchorage, AK

Average snowfall in April - Anchorage, AK
  • Average snowfall in April: 2.09"

The month with the highest snowfall is December (5.51").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in April
Anchorage, AK

Average snowfall days in April - Anchorage, AK
  • Average snowfall days in April: 5.4 days

The month with the highest number of snowfall days is December (11.6 days).
The months with the least snowfall days are June, July and August (0 days).

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Average sea temperature in April
Anchorage, AK

Average sea temperature in April - Anchorage, AK
  • Average sea temperature in April: 37.5°F

The best month for swimming (with the highest average sea temperature) is August (53.1°F).
The coldest month (with the lowest average sea temperature) is February (35.8°F).

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

Average daylight in April / Average sunshine in April - Anchorage, AK
  • Average daylight in April: 14h and 5min

The month with the longest days is June (Average daylight: 19h and 12min).
The month with the shortest days is December (Average daylight: 5h and 36min).

  • Average sunshine in April: 8h and 4min

The months with the most sunshine are May and June (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 48min).

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Average sunshine days in April
Anchorage, AK

Average sunshine days in April - Anchorage, AK
  • Average sunshine days in April: 12.9 days

The month with the most sunshine days is January (16.9 days).
The month with the least sunshine days is September (11.1 days).

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Average UV index in April
Anchorage, AK

Average UV index in April - Anchorage, AK
  • Average UV index in April: 2

The months with the highest UV index are June and July (UV index 4).
The month with the lowest UV index is February (UV index 1).

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Average cloud cover in April
Anchorage, AK

Average cloud cover in April - Anchorage, AK
  • Average cloud cover in April: 45

The month with the most cloud cover is December (Cloud cover 47).
The month with the least cloud cover is May (Cloud cover 38).

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Average visibility in April
Anchorage, AK

Average visibility in April - Anchorage, AK
  • Average visibility in April: 6mi

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

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Anchorage, Alaska, USA

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