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). Expect chilly nights with minimums dipping to -3°C (26°F), while daytime highs can reach a comfortable 24°C (75°F). With an average humidity of 85%, you might want to pack a light jacket. Be prepared for 116 mm (4.6 in) of precipitation spread over 15 days, making it a month of unpredictable weather!

March Temperature in Salem

In March in Salem, the average temperature is 8°C (47°F). Maximums can reach 24°C (75°F) and minimums can drop as low as -3°C (26°F). This variation makes it essential to pack layers for your trip to Salem.

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 24°C (75°F) and lows dropping to around -3°C (26°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 total precipitation amount is 116 mm (4.6 in), occurring over a span of 15 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 116 mm (4.6 inches) of precipitation spread over approximately 15 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 85%. With an average temperature of 8°C (47°F), this humidity feels like a chilly dampness that clings to your skin, making outdoor activities feel less refreshing and more uncomfortable for traveling.

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 85%, 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 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.

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 5, which falls under the moderate 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	6°C (43°F)	141 mm (5.5 inches)	85%	low
February Weather	6°C (43°F)	159 mm (6.3 inches)	84%	moderate
March Weather	8°C (47°F)	116 mm (4.6 inches)	85%	moderate
April Weather	11°C (52°F)	101 mm (4.0 inches)	83%	high
May Weather	15°C (59°F)	47 mm (1.9 inches)	83%	very high
June Weather	18°C (65°F)	33 mm (1.3 inches)	83%	very high
July Weather	22°C (71°F)	3 mm (0.1 inches)	82%	very high
August Weather	22°C (72°F)	4 mm (0.2 inches)	74%	very high
September Weather	18°C (65°F)	53 mm (2.1 inches)	71%	high
October Weather	12°C (54°F)	82 mm (3.2 inches)	81%	moderate
November Weather	9°C (48°F)	124 mm (4.9 inches)	87%	moderate
December Weather	6°C (42°F)	173 mm (6.8 inches)	87%	low