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Get the Salem OR weather forecast without ads, cookies, or tracking. Open-Meteo data, 10-day forecast, hourly conditions, and radar — all free. click here to hide this
August is the hottest month in Salem OR, with an average high of 83°F / 28°C; December is the coldest (47°F / 8°C). December is the wettest month, averaging 7.0 in / 177 mm of precipitation.
| Month | High °F / °C | Low °F / °C | Precip in / mm | Wet days |
|---|---|---|---|---|
| Jan | 48 / 9 | 35 / 2 | 6.1 / 154 | 15 |
| Feb | 52 / 11 | 35 / 2 | 4.5 / 115 | 13 |
| Mar | 56 / 14 | 38 / 3 | 4.3 / 110 | 14 |
| Apr | 61 / 16 | 41 / 5 | 3.1 / 79 | 13 |
| May | 69 / 20 | 46 / 8 | 2.2 / 57 | 9 |
| Jun | 74 / 24 | 50 / 10 | 1.3 / 32 | 6 |
| Jul | 83 / 28 | 55 / 13 | 0.2 / 6 | 2 |
| Aug | 83 / 28 | 54 / 12 | 0.4 / 10 | 2 |
| Sep | 77 / 25 | 50 / 10 | 1.5 / 37 | 5 |
| Oct | 64 / 18 | 43 / 6 | 3.5 / 88 | 10 |
| Nov | 53 / 12 | 39 / 4 | 5.9 / 151 | 15 |
| Dec | 47 / 8 | 35 / 2 | 7.0 / 177 | 16 |
Extremes since 1892: highest 117°F / 47°C (June 28, 2021), lowest -12°F / -24°C (December 8, 1972).
Daylight lasts about 15.4 hours in June and 8.6 hours in December.
Data: Meteostat — Salem McNary Field, 1991–2020 averages.
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