| Month | Average (°F) | Record (°F) | Average (inches) | |||
|---|---|---|---|---|---|---|
| High ☀️ | Low 🌙 | High ☀️ | Low 🌙 | Precipitation 💧 | Snow ❄️ | |
| January | 46.7 | 34.8 | 68 | -2 | 6.0 | 0.8 |
| February | 49.3 | 34.8 | 74 | -1 | 4.0 | 0.2 |
| March | 53.5 | 38.0 | 82 | 8 | 4.7 | 0.4 |
| April | 58.7 | 41.5 | 94 | 25 | 4.1 | 0.0 |
| May | 65.2 | 46.9 | 95 | 25 | 3.2 | 0.0 |
| June | 69.3 | 50.7 | 99 | 30 | 2.6 | 0.0 |
| July | 74.9 | 53.1 | 98 | 31 | 1.4 | 0.0 |
| August | 75.8 | 53.2 | 97 | 34 | 1.5 | 0.0 |
| September | 69.9 | 49.3 | 91 | 28 | 2.9 | 0.0 |
| October | 60.0 | 43.0 | 86 | 20 | 4.8 | 0.1 |
| November | 50.8 | 38.7 | 76 | 3 | 7.0 | 0.7 |
| December | 45.4 | 34.4 | 74 | 1 | 5.4 | 3.1 |
| Entire year | 59.9 | 43.2 | 99 | -2 | 47.3 | 5.6 |
|
More Sedro-Woolley Weather Records
1896–2024
|
||
|---|---|---|
| Highest daily low | 74 °F | August 16, 2023 |
| Lowest daily high | 11 °F | January 7, 1909 |
| Greatest daily range (Difference of high and low) |
56 °F | May 16, 1910 |
| Greatest difference in daily high over two conscutive days |
29 °F | Jan 10–11, 1911 |
| Most daily precipitation | 4.0 inches | November 18, 1911 |
| Most monthly precipitation | 18.5 inches | December 1917 |
| Most yearly precipitation | 69.2 inches | 1990 |
| Most yearly days with precipitation | 217 | 1999 |
| Earliest snow in season | October 29 | 1991 |
| Latest snow in season | April 12 | 1968 |
| Most daily snow | 13.0 inches | February 24, 2011 |
| Most monthly snow | 35.5 inches | March 1951 |
| Most yearly snow | 56.0 inches | 1951 |
| Most snow in a winter | 41.0 inches | 1949–1950 |
| Greatest snow accumulation | 21.0 inches | February 2, 1916 |
| Earliest freeze | September 18 | 1908 |
| Earliest day ≥ 70 °F | February 8 | 1963 |
| Earliest day ≥ 80 °F | March 19 | 1928 |
| Earliest day ≥ 90 °F | April 23 | 1910 |
| Latest freeze | July 11 | 1901 |
| Latest day ≥ 70 °F | December 5 | 1939 |
| Latest day ≥ 80 °F | October 22 | 1937 |
| Latest day ≥ 90 °F | September 12 | 1924 |
| Most days in a year < 0 °F | 1 | 1957 |
| Most days in a year < 32 °F | 89 | 1916 |
| Most days in a year ≥ 80 °F | 68 | 1910 |
| Most days in a year ≥ 90 °F | 11 | 1915 |
|
Sedro-Woolley Weather Streaks
Most consecutive days...
|
||
|---|---|---|
| With precipitation | 33 days | Jan 6 – Feb 7, 1953 |
| Without precipitation | 53 days | Jul 5 – Aug 26, 1951 |
| With snow | 6 days | Jan 21–26, 1954 |
| High temperature at or below freezing |
13 days | Jan 19–31, 1969 |
| High temperature ≥ 80 °F | 21 days | Aug 5–25, 1958 |
| High temperature ≥ 90 °F | 7 days | Jun 27 – Jul 3, 1915 |
| Years | Station | Coordinates |
|---|---|---|
| 1896–2024 | Sedro-Woolley | location |