| Month | Average (°F) | Record (°F) | Average (inches) | |||
|---|---|---|---|---|---|---|
| High ☀️ | Low 🌙 | High ☀️ | Low 🌙 | Precipitation 💧 | Snow ❄️ | |
| January | 37.1 | 25.8 | 59 | -29 | 2.5 | 9.7 |
| February | 41.7 | 27.6 | 66 | -24 | 1.9 | 4.3 |
| March | 49.3 | 31.5 | 74 | -6 | 2.1 | 4.2 |
| April | 56.7 | 35.8 | 88 | 13 | 1.9 | 0.7 |
| May | 66.1 | 42.2 | 97 | 21 | 1.8 | 0.1 |
| June | 72.2 | 46.6 | 106 | 30 | 1.2 | 0.0 |
| July | 83.7 | 50.6 | 104 | 32 | 0.4 | 0.0 |
| August | 84.8 | 50.6 | 110 | 30 | 0.5 | 0.0 |
| September | 75.3 | 44.7 | 103 | 20 | 0.6 | 0.0 |
| October | 60.4 | 36.9 | 90 | 7 | 1.8 | 0.1 |
| November | 45.1 | 30.8 | 71 | -14 | 2.7 | 4.1 |
| December | 36.5 | 25.3 | 63 | -32 | 2.7 | 9.4 |
| Entire year | 59.3 | 37.5 | 110 | -32 | 20.1 | 32.2 |
|
More Pullman Weather Records
1940–2024
|
||
|---|---|---|
| Highest daily low | 73 °F | July 1, 2021 |
| Lowest daily high | -5 °F | December 30, 1968 |
| Greatest daily range (Difference of high and low) |
59 °F | August 21, 1945 |
| Greatest difference in daily high over two conscutive days |
34 °F | Apr 28–29, 1948 |
| Most daily precipitation | 2.4 inches | August 10, 1952 |
| Most monthly precipitation | 8.6 inches | January 1953 |
| Most yearly precipitation | 29.9 inches | 1958 |
| Most yearly days with precipitation | 146 | 1983 |
| Earliest snow in season | September 29 | 2019 |
| Latest snow in season | May 8 | 2002 |
| Most daily snow | 13.0 inches | January 2, 1966 |
| Most monthly snow | 44.6 inches | December 1971 |
| Most yearly snow | 79.5 inches | 1996 |
| Most snow in a winter | 77.0 inches | 2008–2009 |
| Greatest snow accumulation | 25.0 inches | February 10, 1985 |
| Earliest freeze | August 20 | 1945 |
| Earliest day ≥ 70 °F | March 15 | 1992 |
| Earliest day ≥ 80 °F | April 14 | 1962 |
| Earliest day ≥ 90 °F | May 5 | 1966 |
| Earliest day ≥ 100 °F | June 29 | 2021 |
| Latest freeze | June 4 | 1962 |
| Latest day ≥ 70 °F | November 13 | 1999 |
| Latest day ≥ 80 °F | October 26 | 1944 |
| Latest day ≥ 90 °F | October 2 | 2008 |
| Latest day ≥ 100 °F | September 4 | 1998 |
| Most days in a year < 0 °F | 17 | 1949 |
| Most days in a year < 32 °F | 154 | 1985 |
| Most days in a year ≥ 80 °F | 92 | 2023 |
| Most days in a year ≥ 90 °F | 42 | 2021 |
| Most days in a year ≥ 100 °F | 8 | 2015 |
| Most days in a year ≥ 110 °F | 1 | 1961 |
|
Pullman Weather Streaks
Most consecutive days...
|
||
|---|---|---|
| With precipitation | 20 days | Jan 8–27, 1950 |
| Without precipitation | 78 days | Aug 15 – Oct 31, 1987 |
| With snow | 9 days | Jan 29 – Feb 6, 1957 |
| High temperature at or below freezing |
30 days | Jan 9 – Feb 7, 1949 |
| High temperature ≥ 80 °F | 51 days | Jun 19 – Aug 8, 2021 |
| High temperature ≥ 90 °F | 15 days | Jun 27 – Jul 11, 2015 |
| High temperature ≥ 100 °F | 4 days | Aug 15–18, 2023 |
| Years | Station | Coordinates |
|---|---|---|
| 1940–2024 | Pullman 2 Nw | location |