| Month | Average (°F) | Record (°F) | Average (inches) | |||
|---|---|---|---|---|---|---|
| High ☀️ | Low 🌙 | High ☀️ | Low 🌙 | Precipitation 💧 | Snow ❄️ | |
| January | 47.5 | 34.6 | 66 | -1 | 6.4 | 0.5 |
| February | 51.3 | 35.0 | 69 | -5 | 4.8 | 1.6 |
| March | 55.9 | 37.0 | 82 | 12 | 4.8 | 0.3 |
| April | 60.8 | 39.8 | 91 | 22 | 3.3 | 0.0 |
| May | 68.1 | 44.7 | 96 | 28 | 2.3 | 0.0 |
| June | 73.8 | 48.8 | 110 | 30 | 1.3 | 0.0 |
| July | 83.1 | 52.3 | 109 | 36 | 0.3 | 0.0 |
| August | 83.7 | 51.7 | 108 | 37 | 0.4 | 0.0 |
| September | 77.6 | 48.3 | 103 | 27 | 1.5 | 0.0 |
| October | 65.0 | 42.2 | 92 | 20 | 3.4 | 0.0 |
| November | 53.2 | 37.8 | 73 | 10 | 6.5 | 0.0 |
| December | 46.7 | 34.1 | 66 | -8 | 7.7 | 0.7 |
| Entire year | 64.0 | 42.2 | 110 | -8 | 42.7 | 3.1 |
|
More Corvallis Weather Records
1893–2024
|
||
|---|---|---|
| Highest daily low | 81 °F | August 22, 1915 |
| Lowest daily high | 13 °F | January 12, 1909 |
| Greatest daily range (Difference of high and low) |
56 °F | September 22, 1928 |
| Greatest difference in daily high over two conscutive days |
32 °F | Aug 1–2, 1965 |
| Most daily precipitation | 4.4 inches | November 19, 1996 |
| Most monthly precipitation | 18.3 inches | November 1973 |
| Most yearly precipitation | 73.2 inches | 1996 |
| Most yearly days with precipitation | 198 | 2010 |
| Earliest snow in season | October 31 | 1935 |
| Latest snow in season | May 19 | 1948 |
| Most daily snow | 12.0 inches | January 31, 1937 |
| Most monthly snow | 51.9 inches | January 1950 |
| Most yearly snow | 51.9 inches | 1950 |
| Most snow in a winter | 51.9 inches | 1949–1950 |
| Greatest snow accumulation | 20.0 inches | January 31, 1903 |
| Earliest freeze | September 21 | 1895 |
| Earliest day ≥ 80 °F | March 28 | 1930 |
| Earliest day ≥ 90 °F | April 28 | 1926 |
| Earliest day ≥ 100 °F | June 23 | 1992 |
| Latest freeze | June 9 | 2002 |
| Latest day ≥ 80 °F | October 23 | 1929 |
| Latest day ≥ 90 °F | October 11 | 1936 |
| Latest day ≥ 100 °F | September 10 | 1944 |
| Most days in a year < 0 °F | 3 | 1972 |
| Most days in a year < 32 °F | 91 | 1985 |
| Most days in a year ≥ 80 °F | 95 | 2023 |
| Most days in a year ≥ 90 °F | 32 | 2022 |
| Most days in a year ≥ 100 °F | 6 | 2021 |
| Most days in a year ≥ 110 °F | 1 | 2021 |
|
Corvallis Weather Streaks
Most consecutive days...
|
||
|---|---|---|
| With precipitation | 40 days | Nov 6 – Dec 15, 1983 |
| Without precipitation | 93 days | Jun 17 – Sep 17, 2021 |
| With snow | 10 days | Jan 9–18, 1950 |
| High temperature at or below freezing |
15 days | Jan 9–23, 1930 |
| High temperature ≥ 80 °F | 42 days | Jul 12 – Aug 22, 2023 |
| High temperature ≥ 90 °F | 11 days | Jul 25 – Aug 4, 2022 |
| High temperature ≥ 100 °F | 4 days | Aug 14–17, 2023 |
| Years | Station | Coordinates |
|---|---|---|
| 1893–2024 | Corvallis State University | location |