NOAA's National Centers for Environmental Information
Regional Rankings
Northwest
December 1990 Average Temperature Rankings
| Period | Value | 1901-2000 Mean | Anomaly | Rank (1895-2025) | Coolest/Warmest Since | Record |
|---|---|---|---|---|---|---|
| December 1990 1-Month | 21.0°F (-6.1°C) | 28.8°F (-1.8°C) | -7.8°F | 1st Coolest | Coolest to Date | 1990 |
| 130th Warmest | Warmest since: | 1917 | ||||
| Nov– 2-Month | 29.0°F (-1.7°C) | 32.1°F (0.1°C) | -3.1°F | 12th Coolest | Coolest since: | 1985 |
| 119th Warmest | Warmest since: | 1917 | ||||
| Oct– 3-Month | 34.3°F (1.3°C) | 36.9°F (2.7°C) | -2.6°F | 11th Coolest | Coolest since: | 1985 |
| 120th Warmest | Warmest since: | 1917 | ||||
| Ties: 1931 | ||||||
| Sep– 4-Month | 41.2°F (5.1°C) | 41.8°F (5.4°C) | -0.6°F | 46th Coolest | Coolest since: | 1985 |
| 85th Warmest | Warmest since: | 1917 | ||||
| Aug– 5-Month | 46.0°F (7.8°C) | 46.1°F (7.8°C) | -0.1°F | 50th Coolest | Coolest since: | 1985 |
| 81st Warmest | Warmest since: | 2024 | ||||
| Jul– 6-Month | 49.5°F (9.7°C) | 49.2°F (9.6°C) | 0.3°F | 59th Coolest | Coolest since: | 1985 |
| 72nd Warmest | Warmest since: | 2024 | ||||
| Jun– 7-Month | 50.7°F (10.4°C) | 50.4°F (10.2°C) | 0.3°F | 70th Coolest | Coolest since: | 1916 |
| 61st Warmest | Warmest since: | 2024 | ||||
| May– 8-Month | 50.4°F (10.2°C) | 50.4°F (10.2°C) | 0.0°F | 54th Coolest | Coolest since: | 1916 |
| 77th Warmest | Warmest since: | 2023 | ||||
| Ties: 1897, 1922, 1923, 1976 | ||||||
| Apr– 9-Month | 50.2°F (10.1°C) | 49.6°F (9.8°C) | 0.6°F | 86th Coolest | Coolest since: | 1916 |
| 45th Warmest | Warmest since: | 2021 | ||||
| Ties: 1910, 1947, 1952, 1962, 1969, 1977 | ||||||
| Mar– 10-Month | 49.1°F (9.5°C) | 48.3°F (9.1°C) | 0.8°F | 95th Coolest | Coolest since: | 1916 |
| 36th Warmest | Warmest since: | 2015 | ||||
| Ties: 1941, 1947, 1966, 1981 | ||||||
| Feb– 11-Month | 47.3°F (8.5°C) | 46.7°F (8.2°C) | 0.6°F | 83rd Coolest | Coolest since: | 1955 |
| 48th Warmest | Warmest since: | 2015 | ||||
| Ties: 1938, 1973, 1980 | ||||||
| Jan– 12-Month | 46.0°F (7.8°C) | 45.1°F (7.3°C) | 0.9°F | 93rd Coolest | Coolest since: | 1916 |
| 38th Warmest | Warmest since: | 2015 | ||||
| Jul 1989– 18-Month | 47.3°F (8.5°C) | 46.5°F (8.1°C) | 0.8°F | 93rd Coolest | Coolest since: | 1985 |
| 37th Warmest | Warmest since: | 2015 | ||||
| Jan 1989– 24-Month | 45.7°F (7.6°C) | 45.1°F (7.3°C) | 0.6°F | 85th Coolest | Coolest since: | 1917 |
| 45th Warmest | Warmest since: | 2015 | ||||
| Jan 1988– 36-Month | 45.9°F (7.7°C) | 45.1°F (7.3°C) | 0.8°F | 96th Coolest | Coolest since: | 1913 |
| 33rd Warmest | Warmest since: | 2016 | ||||
| Jan 1987– 48-Month | 46.2°F (7.9°C) | 45.1°F (7.3°C) | 1.1°F | 107th Coolest | Coolest since: | 1913, 1914 |
| 21st Warmest | Warmest since: | 2016, 2017 | ||||
| Jan 1986– 60-Month | 46.3°F (7.9°C) | 45.0°F (7.2°C) | 1.3°F | 112th Coolest | Coolest since: | 1913 |
| 15th Warmest | Warmest to Date | 2018 | ||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published March 2025, retrieved on March 26, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings
