| Month | Average (°F) | Record (°F) | Average (inches) | |||
|---|---|---|---|---|---|---|
| High ☀️ | Low 🌙 | High ☀️ | Low 🌙 | Precipitation 💧 | Snow ❄️ | |
| January | 34.5 | 19.8 | 64 | -21 | 10.0 | 84.8 |
| February | 34.7 | 19.1 | 66 | -18 | 7.5 | 68.8 |
| March | 37.0 | 20.4 | 67 | -7 | 7.8 | 67.2 |
| April | 41.2 | 23.0 | 71 | -3 | 6.2 | 46.7 |
| May | 49.9 | 29.4 | 80 | 5 | 3.6 | 14.8 |
| June | 57.9 | 33.5 | 95 | 10 | 2.3 | 3.8 |
| July | 69.5 | 41.5 | 100 | 18 | 0.8 | 0.0 |
| August | 70.2 | 41.6 | 94 | 16 | 0.8 | 0.0 |
| September | 63.9 | 37.2 | 93 | 16 | 1.9 | 1.6 |
| October | 51.6 | 30.4 | 81 | 3 | 4.8 | 16.3 |
| November | 38.9 | 23.3 | 71 | -7 | 9.6 | 56.8 |
| December | 33.6 | 19.1 | 64 | -18 | 11.5 | 89.3 |
| Entire year | 48.7 | 28.3 | 100 | -21 | 66.5 | 448.6 |
|
More Crater Lake Weather Records
1919–2024
|
||
|---|---|---|
| Highest daily low | 66 °F | July 14, 1954 |
| Lowest daily high | 3 °F | January 7, 1937 |
| Greatest daily range (Difference of high and low) |
63 °F | October 4, 1924 |
| Greatest difference in daily high over two conscutive days |
37 °F | Sep 20–21, 1947 |
| Most daily precipitation | 11.8 inches | February 24, 1957 |
| Most monthly precipitation | 38.5 inches | December 1964 |
| Most yearly precipitation | 108.0 inches | 1950 |
| Most yearly days with precipitation | 195 | 2010 |
| Earliest snow in season | July 1 | 1976 |
| Latest snow in season | June 29 | 1988 |
| Most daily snow | 37.0 inches | February 28, 1971 |
| Most monthly snow | 313.0 inches | January 1950 |
| Most yearly snow | 898.7 inches | 1950 |
| Most snow in a winter | 828.0 inches | 1932–1933 |
| Greatest snow accumulation | 252.0 inches | April 3, 1983 |
| Earliest freeze | August 1 | 1991 |
| Earliest day ≥ 70 °F | April 14 | 1947 |
| Earliest day ≥ 80 °F | May 29 | 1931 |
| Earliest day ≥ 90 °F | June 1 | 1924 |
| Latest freeze | July 31 | 1987 |
| Latest day ≥ 70 °F | November 7 | 1935 |
| Latest day ≥ 80 °F | October 4 | 1958 |
| Latest day ≥ 90 °F | September 11 | 1922 |
| Most days in a year < 0 °F | 14 | 1922 |
| Most days in a year < 32 °F | 264 | 1922 |
| Most days in a year ≥ 80 °F | 59 | 1922 |
| Most days in a year ≥ 90 °F | 18 | 1922 |
| Most days in a year ≥ 100 °F | 1 | 1922 |
|
Crater Lake Weather Streaks
Most consecutive days...
|
||
|---|---|---|
| With precipitation | 39 days | Oct 31 – Dec 8, 1973 |
| Without precipitation | 97 days | May 14 – Aug 18, 1951 |
| With snow | 26 days | Dec 10, 2002 – Jan 4, 2003 |
| High temperature at or below freezing |
56 days | Jan 14 – Mar 10, 1927 |
| High temperature ≥ 80 °F | 14 days | Jun 24 – Jul 7, 1922 |
| High temperature ≥ 90 °F | 5 days | Aug 12–16, 1920 |
| Years | Station | Coordinates |
|---|---|---|
| 1919–2024 | Crater Lake National Park Headquarters | location |