Weather on May 20
Anchorage, AK
55 Years of Data
Avg High
59°F
Avg Low
42°F
Warmest
2002
61°F avg
Coldest
1971
40°F avg
About This Date
May 20th in Anchorage, AK typically brings cool spring weather, with average highs around 59°F and lows near 42°F. Over 31 years of records, the warmest May 20th was in 2002 (61°F average), while the coldest was 1971 (40°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 13% of May 20th dates historically. 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 May 20th in Anchorage, AK? Bring layers as temperatures can vary throughout the day.
Warming Trend
1.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 54° | 44° | 49° | — | — |
| 2024 | 58° | 45° | 51° | — | — |
| 2023 | 59° | 48° | 54° | — | — |
| 2022 | 71° | 43° | 57° | — | — |
| 2021 | 52° | 44° | 48° | — | — |
| 2020 | 65° | 48° | 56° | — | — |
| 2019 | 58° | 46° | 52° | — | — |
| 2018 | 55° | 44° | 50° | — | — |
| 2017 | 58° | 43° | 50° | — | — |
| 2016 | 60° | 49° | 54° | 0.46" | — |
| 2015 | 60° | 39° | 50° | — | — |
| 2014 | 65° | 39° | 52° | — | — |
| 2013 | 53° | 31° | 42° | — | — |
| 2012 | 56° | 45° | 50° | — | — |
| 2011 | 62° | 46° | 54° | — | — |
| 2010 | 62° | 43° | 52° | — | — |
| 2009 | 57° | 36° | 46° | — | — |
| 2008 | 64° | 42° | 53° | — | — |
| 2007 | 63° | 42° | 52° | — | — |
| 2006 | 50° | 42° | 46° | 0.05" | — |
| 2005 | 64° | 50° | 57° | — | — |
| 2004 | 66° | 42° | 54° | — | — |
| 2003 | 60° | 38° | 49° | — | — |
| 2002warmest | 75° | 47° | 61° | — | — |
| 2001 | 62° | 42° | 52° | — | — |
| 2000 | 54° | 41° | 47° | 0.05" | — |
| 1999 | 59° | 41° | 50° | — | — |
| 1998 | 53° | 40° | 46° | — | — |
| 1973 | 53° | 39° | 46° | — | — |
| 1972 | 52° | 35° | 43° | 0.38" | — |
| 1971coldest | 52° | 29° | 40° | — | — |
31 years of data from ANCHORAGE PARK STRIP