Tualatin, OR
Climate overview — based on NOAA 1991-2020 normals from BEAVERTON 2 SSW, OR US.
Year-round temperatures (°F)
Avg high
Avg low
Climate summary
Tualatin has an annual average temperature of 53.7°F with about 0 inches of precipitation per year. The warmest month is July (average high 82.3°F), and the coldest is December (average low 33.9°F).
Pleasant months
1 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
27.6°F
warmest to coldest month
Best time to visit Tualatin
Full guide →Climate change signal
All-time records →0 of 366 (0%) of Tualatin'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.
| 1970s | 80 | |
| 1980s | 104 | |
| 1990s | 87 | |
| 2000s | 95 |
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 | 48.7°F | 34.3°F | 41.5°F | in | — | — |
| February | 52.7°F | 34.5°F | 43.6°F | in | — | — |
| March | 58.1°F | 37.0°F | 47.5°F | in | — | — |
| April | 63.8°F | 39.8°F | 51.8°F | in | — | — |
| May | 70.2°F | 45.7°F | 57.9°F | in | — | — |
| June | 74.9°F | 50.0°F | 62.4°F | in | — | — |
| July | 82.3°F | 54.2°F | 68.3°F | in | — | — |
| August | 82.3°F | 53.6°F | 68.0°F | in | — | — |
| September | 77.2°F | 49.7°F | 63.5°F | in | — | — |
| October | 64.8°F | 42.9°F | 53.8°F | in | — | — |
| November | 53.6°F | 37.9°F | 45.8°F | in | — | — |
| December | 47.5°F | 33.9°F | 40.7°F | in | — | — |
Last spring / first fall frost
All-time recordsHottest, coldest, wettest
Planting calendarWhat to plant, and when