Mean climate annual and seasonal temperature and precipitation for weather stations near the natural population clusters in Lakeview (Lake County) and Union (Union County), introduced location area in Logan Valley, and propagation locations in Burns and Corvallis, Oregon (station codes listed, US Climate Normals, 1991–2020, NCEI, NOAA, 2022).
| Lakeview USC00354670 | Union USC00358746 | Logan Valley (Seneca) USC00357675 | Burns Airport USW00094185 | Corvallis OSU USC00351862 | ||
|---|---|---|---|---|---|---|
| Temperature °C (°F) | Annual | 8.3 (47.0) | 9.4 (49.0) | 4.7 (40.5) | 7.8 (46.0) | 11.6 (52.9) |
| Winter | −0.6 (30.9) | 0.8 (33.4) | −4.1 (24.6) | −2.3 (27.8) | 5.2 (41.4) | |
| Spring | 6.8 (44.3) | 8.7 (47.6) | 4.2 (39.6) | 7.3 (45.1) | 10.6 (51.0) | |
| Summer | 18.3 (65.0) | 18.8 (65.8) | 14.1 (57.3) | 18.3 (64.9) | 18.6 (65.4) | |
| Fall | 8.9 (48.0) | 9.6 (49.2) | 4.7 (40.5) | 7.8 (46.0) | 12.2 (54.0) | |
| Precipitation mm (in) | Annual | 366.3 (14.4) | 374.9 (14.8) | 347.2 (13.7) | 264.4 (10.4) | 1093.2 (43.0) |
| Winter | 141.0 (5.6) | 84.8 (3.3) | 112.0 (4.4) | 96.5 (3.8) | 481.8 (19.0) | |
| Spring | 109.0 (4.3) | 137.4 (5.4) | 104.6 (4.1) | 80.5 (3.2) | 268.0 (10.6) | |
| Summer | 34.0 (1.3) | 137.4 (2.6) | 53.3 (2.1) | 32.3 (1.3) | 52.6 (2.1) | |
| Fall | 82.3 (3.2) | 85.9 (3.4) | 77.2 (3.0) | 55.1 (2.2) | 290.8 (11.5) | |