| Month | Average (°F) | Record (°F) | Average (inches) | |||
|---|---|---|---|---|---|---|
| High ☀️ | Low 🌙 | High ☀️ | Low 🌙 | Precipitation 💧 | Snow ❄️ | |
| January | 26.9 | 16.8 | 57 | -30 | 7.3 | 37.4 |
| February | 31.2 | 19.3 | 53 | -24 | 6.6 | 36.6 |
| March | 35.4 | 19.5 | 57 | -18 | 5.4 | 37.2 |
| April | 45.3 | 28.7 | 67 | -2 | 5.2 | 9.6 |
| May | 55.6 | 37.0 | 78 | 23 | 3.9 | 1.2 |
| June | 63.6 | 44.6 | 85 | 31 | 2.2 | 0.0 |
| July | 66.3 | 49.6 | 89 | 32 | 2.7 | 0.0 |
| August | 64.2 | 47.6 | 88 | 30 | 4.9 | 0.0 |
| September | 56.0 | 40.9 | 73 | 17 | 8.6 | 0.0 |
| October | 44.2 | 31.5 | 63 | 2 | 7.7 | 9.5 |
| November | 32.4 | 22.0 | 51 | -15 | 7.6 | 29.0 |
| December | 29.3 | 19.2 | 50 | -18 | 9.1 | 53.5 |
| Entire year | 45.9 | 31.4 | 89 | -30 | 70.2 | 213.1 |
|
More Alyeska Weather Records
1963–2024
|
||
|---|---|---|
| Highest daily low | 64 °F | July 11, 1967 |
| Lowest daily high | -19 °F | January 29, 1989 |
| Greatest daily range (Difference of high and low) |
46 °F | January 20, 2004 |
| Greatest difference in daily high over two conscutive days |
43 °F | Jan 19–20, 2004 |
| Most daily precipitation | 9.5 inches | October 31, 2021 |
| Most monthly precipitation | 28.3 inches | January 1981 |
| Most yearly precipitation | 98.4 inches | 1981 |
| Most yearly days with precipitation | 252 | 1988 |
| Earliest snow in season | September 24 | 2021 |
| Latest snow in season | May 18 | 2013 |
| Most daily snow | 33.1 inches | December 24, 2006 |
| Most monthly snow | 136.9 inches | January 2007 |
| Most yearly snow | 374.7 inches | 1999 |
| Most snow in a winter | 375.6 inches | 1999–2000 |
| Greatest snow accumulation | 89.0 inches | February 2, 2000 |
| Earliest freeze | August 24 | 2009 |
| Earliest day ≥ 70 °F | May 12 | 2014 |
| Earliest day ≥ 80 °F | June 5 | 1997 |
| Latest freeze | June 7 | 1978 |
| Latest day ≥ 70 °F | September 20 | 2010 |
| Latest day ≥ 80 °F | August 26 | 1987 |
| Most days in a year < 0 °F | 43 | 1971 |
| Most days in a year < 32 °F | 201 | 1992 |
| Most days in a year ≥ 80 °F | 11 | 2019 |
|
Alyeska Weather Streaks
Most consecutive days...
|
||
|---|---|---|
| With precipitation | 34 days | Sep 8 – Oct 11, 2022 |
| Without precipitation | 32 days | Jul 30 – Aug 30, 2019 |
| With snow | 17 days | Nov 27 – Dec 13, 1987 |
| High temperature at or below freezing |
37 days | Feb 13 – Mar 20, 1972 |
| High temperature ≥ 80 °F | 7 days | Jul 4–10, 2019 |
| Years | Station | Coordinates |
|---|---|---|
| 1963–2024 | Alyeska | location |