March 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 March

March is a crucial transitionary period in Anchorage. The city begins to shrug off winter's icy grasp, as temperatures start to climb higher than in February. Milder weather conditions foster a positive atmosphere across the city, although the presence of snow remains. While rainfall is nearly the same as the previous month, the increase in daylight hours is noticeable and boosts spirits. The month concludes on a hopeful note, promising the rare beauty of an Alaskan spring in the near future.

Temperature

As March takes its course, Anchorage's average high-temperature registers at a still freezing cold 28.9°F (-1.7°C), closely aligning with the preceding month. March nights cool down to an average low-temperature of 17.8°F (-7.9°C).

Humidity

The months with the highest humidity are January through March, with an average relative humidity of 86%.

Rainfall

In Anchorage, during March, the rain falls for 8.5 days and regularly aggregates up to 0.71" (18mm) of precipitation. Throughout the year, in Anchorage, 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, during March, snow falls for 10.1 days and regularly aggregates up to 4.13" (105mm) of snow. Throughout the year, there are 59.3 snowfall days, and 23.5" (597mm) of snow is accumulated.

Ocean temperature

In Anchorage, the average seawater temperature in March is 36.1°F (2.3°C).
Note: During swimming, this state is an instant threat to life. Breathing is uncontrollable, and coherent thought processes nearly vanish. A specialized swimsuit is crucial to minimize thermal dissipation.

Daylight

In Anchorage, the average length of the day in March is 11h and 53min.
On the first day of March, sunrise is at 7:57 am and sunset at 6:26 pm AKST. On the last day of the month, sunrise is at 7:22 am and sunset at 8:44 pm AKDT.
Note: On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from AKST to AKDT. Daylight Saving Time lasts until Sunday, November 3. 2024, at 2:00 am; consequently, the time zone reverts from AKDT to AKST.

Sunshine

In March, the average sunshine is 7.1h.

UV index

In Anchorage, the average daily maximum UV index in March is 2. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: A maximum high daily UV index of 2 during March translates into the following directions:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.

Frequently asked questions

How cold is March?

The average high-temperature, in March, in Anchorage, is 28.9°F (-1.7°C), while the average low-temperature is 17.8°F (-7.9°C).

What are the most humid months?

January through March, with an average relative humidity of 86%, are most humid months.

What is the average humidity in March?

In March, the average relative humidity is 86%.

How many days does it rain in March?

In Anchorage, in March, during 8.5 rainfall days, 0.71" (18mm) of precipitation is typically accumulated.

How much does it snow in March?

In Anchorage, during March, snow falls for 10.1 days and regularly aggregates up to 4.13" (105mm) of snow.

What is the water temperature in March?

In Anchorage, Alaska, in March, the average water temperature is 36.1°F (2.3°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.

How many hours of daylight does Anchorage have in March?

The average day length in March is 11h and 53min.

When is the sunrise / sunset in March?

On the first day of March, sunrise is at 7:57 am and sunset at 6:26 pm AKST. On the last day of the month, sunrise is at 7:22 am and sunset at 8:44 pm AKDT.

When does Daylight Saving Time (DST) start in March in Anchorage?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from AKST to AKDT. DST ends Sunday, November 3. 2024, at 2:00 am.

How many hours of sunshine does Anchorage have in March?

In Anchorage, Alaska, the average sunshine duration in March is 7.1h.

How high is the UV index in March?

The average daily maximum UV index in March is 2. A UV Index of 2, and less, symbolizes 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 March
Anchorage, AK

Average temperature in March - Anchorage, AK
  • Average high temperature in March: 28.9°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 March: 17.8°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 March
Anchorage, AK

Average pressure in March - Anchorage, AK
  • Average pressure in March: 29.76"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 March
Anchorage, AK

Average wind speed in March - Anchorage, AK
  • Average wind speed in March: 5.1mph

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 March
Anchorage, AK

Average humidity in March - Anchorage, AK
  • Average humidity in March: 86%

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 March
Anchorage, AK

Average rainfall in March - Anchorage, AK
  • Average rainfall in March: 0.71"

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 March
Anchorage, AK

Average rainfall days in March - Anchorage, AK
  • Average rainfall days in March: 8.5 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 March
Anchorage, AK

Average snowfall in March - Anchorage, AK
  • Average snowfall in March: 4.13"

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 March
Anchorage, AK

Average snowfall days in March - Anchorage, AK
  • Average snowfall days in March: 10.1 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 March
Anchorage, AK

Average sea temperature in March - Anchorage, AK
  • Average sea temperature in March: 36.1°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 March /
Average sunshine in March
Anchorage, AK

Average daylight in March / Average sunshine in March - Anchorage, AK
  • Average daylight in March: 11h 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 March: 7h and 1min

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 March
Anchorage, AK

Average sunshine days in March - Anchorage, AK
  • Average sunshine days in March: 16 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 March
Anchorage, AK

Average UV index in March - Anchorage, AK
  • Average UV index in March: 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 March
Anchorage, AK

Average cloud cover in March - Anchorage, AK
  • Average cloud cover in March: 44

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 March
Anchorage, AK

Average visibility in March - Anchorage, AK
  • Average visibility in March: 5mi

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).

Anchorage, Alaska, USA

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