Fossil, OR
Climate overview — based on NOAA 1991-2020 normals from FOSSIL, OR US.
Year-round temperatures (°F)
Climate summary
Fossil has an annual average temperature of 47.4°F with about 15 inches of precipitation per year. The warmest month is July (average high 84.5°F), and the coldest is December (average low 24.3°F). May is typically the wettest month (2.12 in) and July the driest (0.44 in).
Best time to visit Fossil
Full guide →Climate change signal
All-time records →38 of 366 (10.4%) of Fossil's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.
| 1920s | 0 | |
| 1930s | 0 | |
| 1940s | 23 | |
| 1950s | 61 | |
| 1960s | 38 | |
| 1970s | 51 | |
| 1980s | 40 | |
| 1990s | 44 | |
| 2000s | 65 | |
| 2010s | 17 | |
| 2020s | 27 |
Bars: number of all-time daily heat records still standing that were set in each decade.
Monthly averages
| Month | Avg High | Avg Low | Avg Temp | Precipitation | Snow | Rainy days |
|---|---|---|---|---|---|---|
| January | 42.2°F | 25.8°F | 34.0°F | 1.40 in | — | 5 |
| February | 46.1°F | 25.5°F | 35.8°F | 1.17 in | — | 5 |
| March | 52.2°F | 27.8°F | 40.0°F | 1.51 in | — | 6 |
| April | 57.9°F | 31.3°F | 44.6°F | 1.35 in | — | 5 |
| May | 66.3°F | 37.3°F | 51.8°F | 2.12 in | — | 6 |
| June | 73.0°F | 41.9°F | 57.5°F | 1.32 in | — | 4 |
| July | 84.5°F | 45.5°F | 65.0°F | 0.44 in | — | 2 |
| August | 84.2°F | 44.7°F | 64.5°F | 0.58 in | — | 2 |
| September | 74.3°F | 39.9°F | 57.1°F | 0.55 in | — | 2 |
| October | 62.8°F | 33.4°F | 48.1°F | 1.47 in | — | 5 |
| November | 48.1°F | 28.4°F | 38.3°F | 1.38 in | — | 6 |
| December | 40.6°F | 24.3°F | 32.5°F | 1.76 in | — | 4 |
Climate twins of Fossil
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).