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March Weather in Salem, United States

Last updated: June 24, 2025

In March, the average temperature in Salem, United States hovers around 7°C (45°F). However, be prepared for a range of conditions: temperatures can dip as low as -15°C (5°F) and soar to a warm 28°C (82°F). With an average humidity of 88%, you'll definitely feel the dampness in the air. Make sure to carry an umbrella, as 121 mm (4.8 in) of precipitation can be expected over 14 days this month!

March Temperature in Salem

In March in Salem, the average temperature is 7°C (45°F), with maximums reaching up to 28°C (82°F) and minimums dropping as low as -15°C (5°F). This range makes Salem a destination where travelers should be prepared for both warm and chilly conditions.

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 7°C (45°F), with highs reaching up to 28°C (82°F) and lows dropping to around -15°C (5°F).
JanFebMarAprMayJunJulAugSepOctNovDec343945546470757368594439
Data source: Temperature data for Salem generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

March Precipitation in Salem

In Salem in March, the precipitation amount is 121 mm (4.8 in) over a span of 14 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 121 mm (4.8 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec9814712114816517214313211611288130
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Salem

In Salem in March humidity is 88%. With an average temperature of 7°C (45°F), this humidity feels like a damp chill that seeps into your bones, making traveling uncomfortable as you navigate through a heavy, thick atmosphere that clings to your skin.

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 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%88%87%82%84%82%73%74%81%89%86%
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 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, 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 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357910101098753
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.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)98 mm (3.9 inches)88%moderate
February Weather4°C (39°F)147 mm (5.8 inches)88%moderate
March Weather7°C (45°F)121 mm (4.8 inches)88%high
April Weather12°C (54°F)148 mm (5.8 inches)86%very high
May Weather18°C (64°F)165 mm (6.5 inches)82%very high
June Weather21°C (71°F)172 mm (6.8 inches)84%very high
July Weather24°C (75°F)143 mm (5.6 inches)82%very high
August Weather23°C (73°F)132 mm (5.2 inches)73%very high
September Weather20°C (69°F)116 mm (4.6 inches)73%very high
October Weather15°C (59°F)112 mm (4.4 inches)81%high
November Weather7°C (44°F)88 mm (3.5 inches)89%moderate
December Weather4°C (39°F)130 mm (5.1 inches)86%moderate

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