Weather on August 31
Anchorage, AK
55 Years of Data
Avg High
62°F
Avg Low
48°F
Warmest
2009
60°F avg
Coldest
2000
50°F avg
About This Date
August 31st in Anchorage, AK typically brings mild summer weather, with average highs around 62°F and lows near 48°F. Over 29 years of records, the warmest August 31st was in 2009 (60°F average), while the coldest was 2000 (50°F) — a 10°F range across recorded history. Rain or other precipitation has occurred on about 55% of August 31st dates historically, with the wettest August 31st recording 1.65" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for August 31st in Anchorage, AK? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 57° | 50° | 54° | 0.08" | — |
| 2023 | 69° | 51° | 60° | 1.65" | — |
| 2022 | 61° | 50° | 55° | 1.17" | — |
| 2021 | 69° | 45° | 57° | — | — |
| 2020 | 59° | 51° | 55° | 0.97" | — |
| 2019 | 63° | 53° | 58° | 0.03" | — |
| 2018 | 63° | 50° | 56° | — | — |
| 2017 | 54° | 48° | 51° | 0.2" | — |
| 2016 | 71° | 43° | 57° | — | — |
| 2015 | 62° | 42° | 52° | — | — |
| 2014 | 62° | 43° | 52° | — | — |
| 2013 | 59° | 50° | 55° | 0.25" | — |
| 2012 | 55° | 50° | 53° | 0.28" | — |
| 2011 | 55° | 50° | 53° | 1.5" | — |
| 2010 | 63° | 50° | 56° | — | — |
| 2009warmest | 68° | 52° | 60° | — | — |
| 2008 | 58° | 43° | 50° | — | — |
| 2007 | 65° | 48° | 56° | — | — |
| 2006 | 59° | 49° | 54° | 0.05" | — |
| 2005 | 61° | 51° | 56° | 0.48" | — |
| 2004 | 65° | 46° | 55° | — | — |
| 2003 | 61° | 50° | 55° | — | — |
| 2002 | 64° | 52° | 58° | 0.05" | — |
| 2001 | 62° | 46° | 54° | — | — |
| 2000coldest | 62° | 38° | 50° | 0.03" | — |
| 1999 | 67° | 51° | 59° | 0.03" | — |
| 1998 | 61° | 46° | 53° | 0.05" | — |
| 1972 | 58° | 47° | 52° | — | — |
| 1971 | 60° | 50° | 55° | 0.64" | — |
29 years of data from ANCHORAGE PARK STRIP