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Latest Spring Date When Snow On Ground Remained Below 0.5 Inch. The months with the highest relative humidity are January, February and March (86%). Questions? For 22 days a year on average, the amount of new snow totals at least an inch. box-shadow: 0 0 7px black; Throughout the year, in Anchorage, there are 59.3 snowfall days, and 23.5" (597mm) of snow is accumulated. On average, April is the driest month with 10 mm (0.4 inches) of precipitation. Definitions of the growing season vary throughout the world, but for the purposes of this report, we define it as the longest continuous period of non-freezing temperatures ( 32F) in the year (the calendar year in the Northern Hemisphere, or from July 1 until June 30 in the Southern Hemisphere). United States snow records can be found by reviewing the snowfall records of over 200 cities. var astra = {"break_point":"921","isRtl":"","is_scroll_to_id":"","is_scroll_to_top":"","edit_post_url":"https:\/\/akclimate.org\/wp-admin\/post.php?post={{id}}&action=edit","ajax_url":"https:\/\/akclimate.org\/wp-admin\/admin-ajax.php","infinite_count":"2","infinite_total":"0","pagination":"number","infinite_scroll_event":"scroll","no_more_post_message":"No more posts to show.
} The daily average water temperature (purple line), with 25th to 75th and 10th to 90th percentile bands. [original research? The snowfall totals are annual averages based on weather data collected from 1991 to 2020 for the US National Centers for Environmental Information.
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Typically, on at least half the days in those months, the snow covering Anchorage amounts to ten or more inches deep. if ( element.is( "[data-geo]" ) ) {
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The season's last snowfall typically happens in April.
In comparison, the Anchorage Climate Action plan is 108 pages long, whereas the Municipality of Anchorage Climate Action Strategy is just 12 pages.
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Please review our full terms contained on our Terms of Service page. Businesses in Anchorage, Alaska rely on accurate snowfall record-keeping to plan for the most extreme conditions during the winter.
Farther afield at the Campbell Airstrip is another weather station recording colder night temperatures in both summer and winter. The average growing degree days accumulated over the course of the winter, with 25th to 75th and 10th to 90th percentile bands.

Graphics courtesy of .

For most of winter, Anchorage has at least five inches of snow on the ground.
For reference, on December 18, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 63%, while on March 16, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 48%.
For the purposes of this report, the geographical coordinates of Anchorage are 61.218 deg latitude, -149.900 deg longitude, and 98 ft elevation. The percentage of hours in which the mean wind direction is from each of the four cardinal wind directions, excluding hours in which the mean wind speed is less than. The highest daily average wind speed during the winter is 6.6 miles per hour on January 10. :a|select|input|button|textarea)$/i.test(t.tagName)||(t.tabIndex=-1),t.focus())},!1);
Climate Normals. window.backend = 1; 171.6 inches The greatest cumulative snow fall for Anchorage, Alaska. The shortest day of the winter is December 21, with 5 hours, 27 minutes of daylight and the longest day is February 29, with 10 hours, 23 minutes of daylight.
} 16.81 inch: Av. jQuery( window ).on( "elementor/frontend/init", function() { .ui-tooltip, { The average hourly temperature, color coded into bands. MT. Normal: 72.0 in.
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Anchorage has a frost-free growing season that averages slightly over one hundred days. NOAA National Centers for Environmental Information. The months with the most sunshine are May and June (Average sunshine: 11h and 42min). 2016. if ( "undefined" == typeof $scope ) {
cache: true, "That results in a 177% of average to date and a 170% of the April 1 . All other weather data, including cloud cover, precipitation, wind speed and direction, and solar flux, come from NASA's MERRA-2 Modern-Era Retrospective Analysis . Greatest Amount of Snow in One Day, 29in. November 29, 1986 .
Anchorage, Alaska (Dena'ina: Dgheyay Kaq'; Dgheyaytnu)[1] has a subarctic climate with the code Dfc according to the Kppen climate classification due to its short, cool summers.