| Month | Average (°F) | Record (°F) | Average (inches) | ||
|---|---|---|---|---|---|
| High ☀️ | Low 🌙 | High ☀️ | Low 🌙 | Precipitation 💧 | |
| January | 46.2 | 33.1 | 68 | -8 | 7.8 |
| February | 49.2 | 32.2 | 73 | -1 | 5.1 |
| March | 53.9 | 34.5 | 79 | 9 | 5.7 |
| April | 59.0 | 37.4 | 90 | 21 | 3.7 |
| May | 66.2 | 42.8 | 96 | 25 | 2.3 |
| June | 71.0 | 47.4 | 110 | 30 | 1.5 |
| July | 77.8 | 50.6 | 104 | 35 | 0.5 |
| August | 78.2 | 50.5 | 104 | 33 | 1.0 |
| September | 72.3 | 46.1 | 98 | 25 | 2.0 |
| October | 60.4 | 40.5 | 90 | 14 | 5.1 |
| November | 50.8 | 35.7 | 74 | -1 | 8.2 |
| December | 45.1 | 32.8 | 70 | -7 | 7.8 |
| Entire year | 60.9 | 40.4 | 110 | -8 | 50.5 |
|
More Olympia Weather Records
1877–2024
|
||
|---|---|---|
| Highest daily low | 69 °F | July 22, 2006 |
| Lowest daily high | 18 °F | January 31, 1950 |
| Greatest daily range (Difference of high and low) |
54 °F | June 29, 1924 |
| Greatest difference in daily high over two conscutive days |
30 °F | May 12–13, 2002 |
| Most daily precipitation | 4.8 inches | January 7, 2009 |
| Most monthly precipitation | 27.1 inches | December 1933 |
| Most yearly precipitation | 74.6 inches | 1879 |
| Most yearly days with precipitation | 202 | 1879 |
| Earliest freeze | September 13 | 1970 |
| Earliest day ≥ 70 °F | February 2 | 1962 |
| Earliest day ≥ 80 °F | April 2 | 1944 |
| Earliest day ≥ 90 °F | April 12 | 1904 |
| Latest freeze | June 13 | 1976 |
| Latest day ≥ 70 °F | December 8 | 1906 |
| Latest day ≥ 80 °F | October 24 | 1901 |
| Latest day ≥ 90 °F | October 1 | 1987 |
| Most days in a year < 0 °F | 5 | 1972 |
| Most days in a year < 32 °F | 111 | 1970 |
| Most days in a year ≥ 80 °F | 69 | 1940 |
| Most days in a year ≥ 90 °F | 18 | 1967 |
| Most days in a year ≥ 100 °F | 3 | 2021 |
| Most days in a year ≥ 110 °F | 1 | 2021 |
|
Olympia Weather Streaks
Most consecutive days...
|
||
|---|---|---|
| With precipitation | 35 days | Dec 18, 2005 – Jan 21, 2006 |
| Without precipitation | 72 days | Jun 27 – Sep 6, 1914 |
| High temperature at or below freezing |
10 days | Jan 20–29, 1969 |
| High temperature ≥ 80 °F | 23 days | Aug 11 – Sep 2, 1923 |
| High temperature ≥ 90 °F | 8 days | Jul 26 – Aug 2, 2009 |
| High temperature ≥ 100 °F | 3 days | Jun 26–28, 2021 |