Anchorage
Alaska, USA
Long-term weather forecast
Long-term weather forecast

April weather forecast and climate
Anchorage, AK

Wintertime in Anchorage, Alaska, with mountains blanketed in snow
Wintertime in Anchorage, Alaska, with mountains blanketed in snow
April in Anchorage, Alaska, is a cold spring month, with temperature in the range of an average low of 32°F (0°C) and an average high of 39.6°F (4.2°C).

Temperature

In April, the average high-temperature increases, from a subzero cold 28.9°F (-1.7°C) in March, to a cold 39.6°F (4.2°C). In April, the average low-temperature is 32°F (0°C).

Humidity

In April, the average relative humidity is 81%.

Rainfall

In April, the rain falls for 10.8 days. Throughout April, 0.67" (17mm) of precipitation is accumulated. In Anchorage, Alaska, during the entire year, the rain falls for 139.9 days and collects up to 12.6" (320mm) of precipitation.

Snowfall

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

Ocean temperature

In Anchorage, the average seawater temperature is 37.4°F (3°C).
Note: 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.

Daylight

The average length of the day in Anchorage, Alaska, is 14.8h.

Sunshine

In Anchorage, the average sunshine is 8.6h.

UV index

The average daily maximum UV index in Anchorage, Alaska, is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from the exposure to the Sun's UV rays for the average person.
Note: In April, the average maximum UV index of 2 translate into the following recommendations:
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. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the temperature in April in Anchorage?

In Anchorage, in April, the average high-temperature is 39.6°F (4.2°C), and the average low-temperature is 32°F (0°C).

What is the average humidity in April in Anchorage?

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

How many days does it rain in April in Anchorage?

In April, the rain falls for 10.8 days. Throughout April, 0.67" (17mm) of precipitation is accumulated.

How much does it snow in Anchorage in April?

In Anchorage, Alaska, in April, snow falls for 5.4 days, with typically accumulated 2.09" (53mm) of snow.

What is the ocean temperature in April in Anchorage?

In April, the average ocean temperature in Anchorage, Alaska, is 37.4°F (3°C). For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.

How many hours of daylight does Anchorage have in April?

The average length of the day in April is 14.8h.

How many hours of sunshine does Anchorage have in April?

The average sunshine in April is 8.6h.

What is the UV index reading in April in Anchorage?

The average daily maximum UV index in April in Anchorage is 2. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to the Sun's UV rays.
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: 0°F

Months with the highest average low temperature are January, February, March, April, May, June, July, August, September, October, November and December (0°F).
Coldest months (with the lowest average low temperature) are January, February, March, April, May, June, July, August, September, October, November and December (0°F).

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

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

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 lowest rainfall) is May (0.55").

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 lowest number of rainy days is February (7 days).

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

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

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).
Months with the lowest number of snowfall days are June, July and August (0 days).

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).

Average daylight in April / Average sunshine in April - Anchorage, AK
  • Average daylight in April: 14.8h

The month with the longest days is June (Average daylight: 19.2h).
The month with shortest days is December (Average daylight: 5.6h).

  • Average sunshine in April: 8.6h

Months with most sunshine are May and June (Average sunshine: 11.7h).
The month with least sunshine is December (Average sunshine: 3.8h).

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

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).