Anchorage - Hottest Decades





Ranked here are the hottest decades on record for Anchorage, Alaska. The lists include decades when Anchorage had the highest average temperatures, the most warm days and the fewest cold days. These extremes are for temperatures observed at Ted Stevens International Airport near downtown Anchorage and cover six decades, from the 1960s to the 2010s.

That is when Anchorage had weather measurements that are consistent and complete enough to compare decades. Each decade comprises a standard 10-year range. For instance, the 1990s includes measurements from Jan 1, 1990 to Dec 31, 1999. An exception is the 2010s which so far includes data to the end of 2018. Links to the data behind these lists are in the References section on this page.

Hottest High Temperatures

Average daily maximum temperature at Anchorage
High °F Decade High °C
Highest 45.1 2010s 7.3
Runner-up 44.0 2000s 6.6

Warmest Low Temperatures

Average daily minimum temperature at Anchorage
Low °F Decade Low °C
Highest 32.1 2010s 0.1
Runner-up 30.9 2000s -0.6

Most Warm Days

Total days per year on average when Anchorage had temperatures of at least 70 °F (21 °C)
Days Decade
Highest 20 2010s
Runner-up 17 1990s

Fewest Freezing Days

Total days per year on average when Anchorage had temperatures of 32 °F (0 °C) or lower
Days Decade
Lowest 182 2010s
Runner-up 187 2000s

Fewest Cold Days

Total days per year on average when Anchorage had temperatures of 0 °F (-18 °C) or lower
Days Decade
Lowest 13 2010s
Runner-up 18 2000s

How Much Hotter are 2010s?

Compared with averages for the previous 50 years (1960 to 2009), the 2010s in Anchorage had:

  • 5 more days each year with temperatures of 70 °F and higher
  • 2.0 °F higher daily maximum temperatures (1.1 °C)
  • 2.5 °F higher daily minimum temperatures (1.4 °C)
  • 15 fewer days a year with temperatures of 0 °F and lower
References

Current Results. 2019. Anchorage AK Temperature Averages by Decade

Jay Lawrimore, Ron Ray, Scott Applequist, Bryant Korzeniewski, Matthew Menne. 2016. Global Summary of the Year, Version 1.0. NOAA National Centers for Environmental Information.

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