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Owing to the rain shadow of the coastal mountains, south-central Alaska does not get nearly as much rain as the southeast of Alaska, though it does get more snow with up to 300 inches (7.62 m) at Valdez and much more in the mountains. On average, Anchorage receives 16 inches (410 mm) of precipitation a year, with around 75 inches (1.91 m) of snow.
Autumn in Eagle River AK. Average daytime summer temperatures range from approximately 55 to 78 °F (12.8 to 25.6 °C); [4] average daytime winter temperatures are about 5 to 30 °F (−15.0 to −1.1 °C). [4] Anchorage has a frost-free growing season that averages slightly over one hundred days.
In addition, the Annette Island Airport holds the Alaska state monthly record high temperatures for January (66 °F or 19 °C on January 14, 2017), April (82 °F or 28 °C on April 29, 1976), and November (67 °F or 19 °C on November 1, 1970).
In June and September on the coast the average maximum temperature is usually around 28–30 °C (82–86 °F) during the day and around 18–20 °C (64–68 °F) at night. While large temperature fluctuations are rare on the coast, the centre of Cyprus has more variations – typically colder winters and hotter summers. [3]
According to the Meteorological Service, rainfall has also declined at a rate of 1 mm per year over the 20th century. [8] Deep water temperatures have also increased by 0.12 °C (0.22 °F) between 1959 and 1989. [9] Projected increases in temperature range between a minimum increase of 3.6 °C and 5 °C by the end of the century. [10]
The United States Census Bureau found in the 2020 United States census that the population of Alaska was 733,391 on April 1, 2020, a 3.3% increase since the 2010 United States census. [6] According to the 2010 United States Census, the U.S. state of Alaska had a population of 710,231, a 13.3% increase from 626,932 at the 2000 U.S. census.
Alaska is larger than all but 18 sovereign nations (it is slightly larger than Iran but slightly smaller than Libya). Alaska is home to 3.5 million lakes of 20 acres (8.1 ha) or larger. [3] Marshlands and wetland permafrost cover 188,320 square miles (487,700 km 2) (mostly in northern, western and southwest flatlands).
By March 1, the sun is up for 9 hours, and temperatures begin to warm, although winds are usually higher. Starting on March 23, astronomical night ceases to occur, with only daylight and twilight until the start of the midnight sun in May. This is also true from the end of the midnight sun at the beginning of August until September 22.