Anchorage Weather in March

March sees an easing of severe weather for Anchorage, Alaska. Most days warm up to above freezing and the sun shines more often.

This page gives detailed information on the typical March temperature, precipitation, snow, sun, humidity, wind and storms for Anchorage. The numbers here are historical averages based on climate data gathered at the Ted Stevens Anchorage International Airport, located a few miles from downtown Anchorage.

Temperature Weather iconTemperature

33 °F March average high 1 °C
19 °F March average low -7 °C
7 days 40 °F max. or more (4 °C)
16 days 20 °F min. or less (-8 °C)

Anchorage averages 13 days in March when the thermometer remains below freezing for the entire day. Temperatures above 50 degrees Fahrenheit (10 degrees Celsius) occur during March only in some years.

Most nights this month in Anchorage have freezing temperatures. The thermometer dips to 0 °F (-18 °C) or below on an average of one or two nights.

Rainy Weather iconPrecipitation

0.7 in total precipitation 18 mm
6 days of rain or snowfall

Half the time, Anchorage receives 0.4 to 0.9 inches (11 to 22 mm) of precipitation in March. One in four years has drier weather, while another one in four is wetter.

Snowy Weather iconSnow

11.0 in total snowfall 28 cm
6 days with new snow

March's snowfall varies a lot from year to year in Anchorage. Between 5.8 and 15 inches (15 to 38 cm) of fresh snow arrives in half the years. Less new snow lands in one out of four Marches, while another twenty-five percent are snowier.

Anchorage typically has at least 5 inches (13 cm) of snow on the ground for 27 days this month. The snow normally accumulates to 10 inches (25 cm) or deeper on 23 days.

Sunny Weather iconSun

50 % sunshine
8 days clear skies

The sun's rays reach the ground in Anchorage during 50 percent of daylight hours on average in March, for a total of 184 hours in the month. Typically on 8 days this month the sky is mainly clear, with at most 30 percent cloud cover.

Sunlight in March at Anchorage lasts for 11 hours and 53 minutes a day on average. The shortest day of the month is the 1st with 10 hours and 27 minutes of daylight. By the end of the month, the days have lengthened to 13:19 from sunrise to sunset. These durations can vary by a minute or three from year to year.

Humid Weather iconHumidity

66 % March average humidity

The relative humidity in Anchorage during March usually peaks at 72 percent in the morning then drops to 57 percent by mid afternoon.

Local Time12 am3 am6 am9 am12 pm3 pm6 pm9 pm
Humidity % 70 71 72 70 62 57 59 68

Windy Weather iconWind

7.1 mph March wind speed average 11.4 kph

March is an average month for wind speed at Anchorage.

Stormy Weather iconStorms

1 day snowfall of 3 inches (8 cm) or more
0 days with thunderstorms in March

About once a decade, Anchorage gets a one-day dump of snow in March that amounts to 10 inches (25 cm) or more.


The weather data here are long-term averages provided by the US National Centers for Environmental Information (NCEI). Temperature and precipitation are 1991-2020 normals while humidity and thunderstorms are 1961-1990 normals.

Anchorage Weather
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