Last updated: June 24, 2025
In January, the average temperature in Salem, United States hovers around 7°C (45°F). While you might experience a minimum chill of -7°C (20°F), the mercury can rise to a pleasant 22°C (71°F). With an average humidity of 79%, it's advisable to prepare for occasional rain, as you'll likely see about 14 mm (0.6 in) of precipitation over 2 days. Stay comfortable and enjoy this unique climate!
In January in Salem, the average temperature is 7°C (45°F). Maximum can reach 22°C (71°F), and minimum can be as low as -7°C (20°F). This means travelers should be prepared for a range of temperatures, making layering essential for comfort during their visit.
In Salem in January, the precipitation amount is 14 mm (0.6 in) over a period of 2 days.
In Salem in January humidity is 79%. With an average temperature of 7°C (45°F), this humidity feels like a damp chill wrapping around you, making outdoor explorations uncomfortable and requiring extra layers for warmth while you navigate through the misty air.
In Salem in January, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Salem.
UV Risk Categories
Weather in Salem varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Salem, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 7°C (45°F) | 14 mm (0.6 inches) | 79% | moderate |
February Weather | 9°C (49°F) | 18 mm (0.7 inches) | 79% | high |
March Weather | 14°C (57°F) | 14 mm (0.6 inches) | 65% | very high |
April Weather | 19°C (66°F) | 4 mm (0.1 inches) | 55% | extreme |
May Weather | 23°C (74°F) | 4 mm (0.2 inches) | 54% | extreme |
June Weather | 28°C (83°F) | 22 mm (0.9 inches) | 53% | extreme |
July Weather | 28°C (83°F) | 30 mm (1.2 inches) | 55% | extreme |
August Weather | 28°C (82°F) | 27 mm (1.1 inches) | 57% | extreme |
September Weather | 25°C (77°F) | 28 mm (1.1 inches) | 70% | extreme |
October Weather | 18°C (65°F) | 32 mm (1.3 inches) | 75% | very high |
November Weather | 12°C (55°F) | 21 mm (0.8 inches) | 83% | high |
December Weather | 8°C (46°F) | 11 mm (0.4 inches) | 82% | moderate |