March Weather in Salem, United States

Last updated: June 24, 2025

In March, the average temperature in Salem, United States hovers around 8°C (46°F), with a minimum that can dip to -7°C (19°F) and a high reaching up to 28°C (83°F). Expect a precipitation amount of 103 mm (4.1 in) spread over 10 days, accompanied by an average humidity of 83%.

March Temperature in Salem

In March in Salem, the average temperature is 8°C (46°F). Maximum temperatures can reach 28°C (83°F), while minimums can drop as low as -7°C (19°F). Be sure to pack layers to stay comfortable during your visit!

March Weather in Salem: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Salem, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Salem, March typically has an average temperature of 8°C (46°F), with highs reaching up to 28°C (83°F) and lows dropping to around -7°C (19°F).

Data source: Temperature data for Salem generated using information from the Copernicus Climate Change Service.

March Precipitation in Salem

In Salem in March, the precipitation amount is 103 mm (4.1 in) over a span of 10 days.

March Precipitation Trends in Salem

The chart displays monthly precipitation patterns in Salem, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Salem, March typically receives around 103 mm (4.1 inches) of precipitation spread over approximately 10 days.

Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

March Humidity in Salem

In Salem in March, humidity is 83%. With an average temperature of 8°C (46°F), this humidity feels like a damp chill that seeps into your bones, making even short outings feel quite uncomfortable and prompting travelers to bundle up and seek shelter more frequently.

March Average Humidity in Salem

This chart illustrates the average monthly humidity levels in Salem, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in Salem is approximately 83%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Salem

In Salem in March, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Salem, you can refer to this Hourly UV Index in Salem.

Maximum UV Index Levels in Salem for March

The chart shows the monthly maximum UV Index (UVI) for Salem in March, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In March, the maximum UV index in Salem typically reaches 6, which falls under the high exposure category.

Data source: Salem March UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How March Weather in Salem Compares to Other Months

Weather in Salem varies notably across the year, with each month offering distinct climate conditions. This page compares March’s weather to other months in Salem, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Salem, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	3°C (37°F)	60 mm (2.4 inches)	84%	moderate
February Weather	4°C (40°F)	98 mm (3.9 inches)	83%	moderate
March Weather	8°C (46°F)	103 mm (4.1 inches)	83%	high
April Weather	13°C (56°F)	100 mm (3.9 inches)	81%	very high
May Weather	18°C (65°F)	131 mm (5.2 inches)	78%	very high
June Weather	24°C (75°F)	108 mm (4.2 inches)	79%	very high
July Weather	27°C (80°F)	135 mm (5.3 inches)	74%	very high
August Weather	25°C (78°F)	151 mm (6.0 inches)	72%	very high
September Weather	22°C (72°F)	96 mm (3.8 inches)	75%	very high
October Weather	17°C (62°F)	111 mm (4.4 inches)	81%	high
November Weather	9°C (48°F)	80 mm (3.2 inches)	85%	moderate
December Weather	5°C (41°F)	97 mm (3.8 inches)	84%	moderate