April weather forecastAnchorage, AK
April
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
The shift into April brings an increase in the average high-temperature, moving from a freezing cold 28.9°F (-1.7°C) in March to an icy 39.6°F (4.2°C). An average low-temperature of 29.7°F (-1.3°C) is noted during the nights in April.Humidity
In April, the average relative humidity is 81%.Rainfall
In Anchorage, Alaska, during April, the rain falls for 10.8 days and regularly aggregates up to 0.67" (17mm) of precipitation. Throughout the year, there are 139.9 rainfall days, and 12.6" (320mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September through December. In Anchorage, in April, during 5.4 snowfall days, 2.09" (53mm) of snow is typically accumulated. Throughout the year, there are 59.3 snowfall days, and 23.5" (597mm) of snow is accumulated.Ocean temperature
In Anchorage, in April, the average water temperature is 37.4°F (3°C).Note: In swimming situations, this is a grave threat to life. The intense coldness of the water triggers extreme discomfort and rapid hyperventilation. A specialized swimsuit is required to mitigate thermal damage.
Daylight
In Anchorage, the average length of the day in April is 14h and 48min.On the first day of April, 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 hazard from exposure to the Sun's UV radiation for the ordinary person.Note: In April, the UV index of 2 transforms into the following advice:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
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).
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).
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%).
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").
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).
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").
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).
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: 14h and 48min
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 36min
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).
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).
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).
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).
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).
