| Month | Average (°F) | Record (°F) | Average (inches) | |||
|---|---|---|---|---|---|---|
| High ☀️ | Low 🌙 | High ☀️ | Low 🌙 | Precipitation 💧 | Snow ❄️ | |
| January | 35.2 | 21.2 | 64 | -29 | 1.3 | 8.1 |
| February | 42.9 | 23.8 | 66 | -23 | 0.8 | 2.2 |
| March | 52.2 | 28.9 | 80 | -5 | 0.8 | 0.9 |
| April | 60.3 | 34.9 | 94 | 14 | 0.6 | 0.0 |
| May | 69.2 | 43.3 | 99 | 18 | 0.8 | 0.0 |
| June | 75.3 | 49.1 | 108 | 30 | 0.5 | 0.0 |
| July | 84.8 | 54.6 | 110 | 30 | 0.3 | 0.0 |
| August | 84.7 | 53.1 | 105 | 29 | 0.2 | 0.0 |
| September | 76.3 | 44.6 | 98 | 16 | 0.3 | 0.0 |
| October | 61.5 | 34.5 | 87 | 9 | 0.8 | 0.0 |
| November | 45.7 | 27.1 | 71 | -17 | 1.1 | 3.7 |
| December | 35.0 | 21.2 | 65 | -31 | 1.4 | 13.3 |
| Entire year | 60.5 | 36.5 | 110 | -31 | 9.0 | 27.0 |
|
More Ellensburg Weather Records
1893–2024
|
||
|---|---|---|
| Highest daily low | 77 °F | August 21, 1894 |
| Lowest daily high | -6 °F | December 30, 1968 |
| Greatest daily range (Difference of high and low) |
60 °F | April 27, 1924 |
| Greatest difference in daily high over two conscutive days |
35 °F | May 6–7, 1925 |
| Most daily precipitation | 2.1 inches | May 15, 2011 |
| Most monthly precipitation | 4.5 inches | June 1905 |
| Most yearly precipitation | 16.6 inches | 1937 |
| Most yearly days with precipitation | 107 | 1995 |
| Earliest snow in season | October 29 | 1991 |
| Latest snow in season | April 23 | 1964 |
| Most daily snow | 25.0 inches | December 31, 1996 |
| Most monthly snow | 72.7 inches | December 1996 |
| Most yearly snow | 120.5 inches | 1996 |
| Most snow in a winter | 110.0 inches | 1996–1997 |
| Greatest snow accumulation | 32.0 inches | December 28, 1996 |
| Earliest freeze | August 24 | 1910 |
| Earliest day ≥ 80 °F | March 30 | 1923 |
| Earliest day ≥ 90 °F | April 21 | 1934 |
| Earliest day ≥ 100 °F | June 9 | 2015 |
| Latest freeze | July 27 | 1894 |
| Latest day ≥ 80 °F | October 15 | 2004 |
| Latest day ≥ 90 °F | September 24 | 2009 |
| Latest day ≥ 100 °F | August 29 | 1916 |
| Most days in a year < 0 °F | 16 | 1916 |
| Most days in a year < 32 °F | 190 | 1913 |
| Most days in a year ≥ 80 °F | 105 | 1922 |
| Most days in a year ≥ 90 °F | 42 | 1961 |
| Most days in a year ≥ 100 °F | 15 | 2015 |
| Most days in a year ≥ 110 °F | 1 | 1928 |
|
Ellensburg Weather Streaks
Most consecutive days...
|
||
|---|---|---|
| With precipitation | 11 days | Nov 30 – Dec 10, 1987 |
| Without precipitation | 101 days | Jul 19 – Oct 27, 1974 |
| With snow | 9 days | Jan 24 – Feb 1, 1929 |
| High temperature at or below freezing |
34 days | Dec 15, 1909 – Jan 17, 1910 |
| High temperature ≥ 80 °F | 40 days | Jul 13 – Aug 21, 1971 |
| High temperature ≥ 90 °F | 15 days | Jul 29 – Aug 12, 2017 |
| High temperature ≥ 100 °F | 6 days | Jul 27 – Aug 1, 2022 |
| Years | Station | Coordinates |
|---|---|---|
| 1893–2024 | Ellensburg | location |