Salem, Oregon Climate by Month
Salem, Oregon, United States
Warm summers and cool winters, with most rain from November to March.
The climate in Salem is one of warm summers and cool winters, with most rain from November to March. Expect highs of 84°F (29°C) in August and 47°F (8°C) in December, with the coldest nights (January) near 35°F (2°C). Of the 39 in (985 mm) of rain in a typical year, 71% falls from November to March.
- Warmest month
- 84°F(29°C)
- Average high, August
- Coldest nights
- 35°F(2°C)
- Average low, January
- Rain per year
- 39 in(985 mm)
- Wettest: December
- Humidity
- 73%
- Sunniest: July
Best and worst months in Salem
Best for weatherJune is the best time for weather in Salem: highs near 75°F (24°C) and about 1.3 in (33 mm) of rain a month.
Least pleasantDecember is the least pleasant month: it's the coldest, with highs of only 47°F (8°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in June.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Salem weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 48°F(9°C) | 35°F(2°C) | 5.7 in(145 mm) | 90% | 1.2 |
| FebFebruary | 52°F(11°C) | 36°F(2°C) | 4.2 in(106 mm) | 82% | 2.1 |
| MarMarch | 57°F(14°C) | 38°F(3°C) | 4.5 in(115 mm) | 72% | 3.0 |
| AprApril | 62°F(17°C) | 41°F(5°C) | 2.8 in(70 mm) | 69% | 4.2 |
| MayMay | 70°F(21°C) | 46°F(8°C) | 2.0 in(50 mm) | 68% | 5.3 |
| JunJuneBest | 75°F(24°C) | 50°F(10°C) | 1.3 in(33 mm) | 62% | 5.7 |
| JulJuly | 84°F(29°C) | 54°F(12°C) | 0.3 in(8 mm) | 58% | 6.5 |
| AugAugust | 84°F(29°C) | 53°F(12°C) | 0.5 in(12 mm) | 58% | 5.7 |
| SepSeptember | 78°F(26°C) | 50°F(10°C) | 1.3 in(32 mm) | 64% | 4.3 |
| OctOctober | 66°F(19°C) | 44°F(6°C) | 3.3 in(83 mm) | 76% | 2.4 |
| NovNovember | 53°F(12°C) | 38°F(4°C) | 6.0 in(153 mm) | 86% | 1.3 |
| DecDecember | 47°F(8°C) | 35°F(2°C) | 7.0 in(178 mm) | 92% | 0.9 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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