Weather on August 20
Anchorage, AK
55 Years of Data
Avg High
64°F
Avg Low
51°F
Warmest
2004
63°F avg
Coldest
2006
51°F avg
About This Date
August 20th in Anchorage, AK typically brings mild summer weather, with average highs around 64°F and lows near 51°F. Over 29 years of records, the warmest August 20th was in 2004 (63°F average), while the coldest was 2006 (51°F) — a 12°F range across recorded history. Rain or other precipitation has occurred on about 59% of August 20th dates historically, with the wettest August 20th recording 1.14" of rain. The last decade has been 1.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.0°F warmer on this date compared to 20-30 years ago.
Planning for August 20th in Anchorage, AK? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 68° | 54° | 61° | 0.2" | — |
| 2024 | 64° | 49° | 56° | — | — |
| 2023 | 69° | 53° | 61° | — | — |
| 2022 | 62° | 50° | 56° | 0.23" | — |
| 2021 | 63° | 53° | 58° | 0.56" | — |
| 2020 | 71° | 50° | 61° | — | — |
| 2019 | 67° | 43° | 55° | — | — |
| 2018 | 60° | 53° | 57° | 0.66" | — |
| 2017 | 54° | 50° | 52° | 0.56" | — |
| 2016 | 69° | 56° | 62° | — | — |
| 2015 | 69° | 46° | 58° | — | — |
| 2014 | 64° | 55° | 60° | — | — |
| 2013 | 64° | 53° | 59° | 0.3" | — |
| 2012 | 59° | 52° | 55° | 0.64" | — |
| 2011 | 63° | 51° | 57° | 0.25" | — |
| 2010 | 66° | 45° | 55° | 0.03" | — |
| 2009 | 67° | 46° | 56° | — | — |
| 2008 | 69° | 53° | 61° | — | — |
| 2007 | 60° | 54° | 57° | 0.41" | — |
| 2006coldest | 56° | 47° | 51° | 0.94" | — |
| 2005 | 68° | 51° | 60° | 0.13" | — |
| 2004warmest | 69° | 58° | 63° | 0.33" | — |
| 2003 | 61° | 49° | 55° | 0.25" | — |
| 2002 | 56° | 52° | 54° | 1.14" | — |
| 2001 | 69° | 52° | 60° | — | — |
| 2000 | 63° | 47° | 55° | — | — |
| 1999 | 58° | 51° | 54° | 0.1" | — |
| 1998 | 59° | 48° | 54° | 0.41" | — |
| 1972 | 62° | 50° | 56° | — | — |
29 years of data from ANCHORAGE PARK STRIP