March Weather in Salem, United States

Last updated: June 24, 2025

In March, the average temperature in Salem, United States hovers around 8°C (47°F). This month can see extremes, with temperatures ranging from a chilly -10°C (14°F) to a warm 28°C (84°F). Expect about 74 mm (2.9 in) of precipitation over 11 days, and prepare for high humidity at an average of 86%.

March Temperature in Salem

In March in Salem, the average temperature is 8°C (47°F), with maximums reaching up to 28°C (84°F) and minimums dropping as low as -10°C (14°F). It’s advisable to pack layers to stay comfortable during your travels.

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 (47°F), with highs reaching up to 28°C (84°F) and lows dropping to around -10°C (14°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 74 mm (2.9 in) spread over the course of 11 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 74 mm (2.9 inches) of precipitation spread over approximately 11 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 86%. With an average temperature of 8°C (47°F), this humidity feels like a chilling damp that penetrates your clothes, making outdoor adventures less enjoyable and encouraging you to seek warmth indoors rather than explore the sights.

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 86%, 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 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the 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 8, which falls under the very 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)	69 mm (2.7 inches)	87%	moderate
February Weather	6°C (42°F)	105 mm (4.1 inches)	87%	high
March Weather	8°C (47°F)	74 mm (2.9 inches)	86%	very high
April Weather	13°C (56°F)	119 mm (4.7 inches)	84%	very high
May Weather	18°C (65°F)	144 mm (5.6 inches)	83%	very high
June Weather	22°C (72°F)	114 mm (4.5 inches)	83%	extreme
July Weather	25°C (77°F)	60 mm (2.4 inches)	79%	very high
August Weather	24°C (75°F)	99 mm (3.9 inches)	66%	very high
September Weather	21°C (70°F)	112 mm (4.4 inches)	68%	very high
October Weather	15°C (60°F)	110 mm (4.3 inches)	78%	high
November Weather	7°C (45°F)	74 mm (2.9 inches)	89%	moderate
December Weather	5°C (41°F)	95 mm (3.7 inches)	86%	moderate