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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 9°C (48°F), but be prepared for a range that can drop to a chilly -16°C (3°F) or soar up to a warm 29°C (84°F). With 136 mm (5.3 in) of precipitation spread over 12 days, it's wise to carry an umbrella! The air tends to be quite damp, boasting an average humidity of 80%, making it a uniquely cool and refreshing month.

March Temperature in Salem

In March, in Salem, the average temperature is 9°C (48°F), with maximums reaching 29°C (84°F) and minimums dropping as low as -16°C (3°F). Be prepared for a wide range of temperatures when traveling, from warm days to chilly nights.

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 9°C (48°F), with highs reaching up to 29°C (84°F) and lows dropping to around -16°C (3°F).
JanFebMarAprMayJunJulAugSepOctNovDec343748546574787571584540
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 136 mm (5.3 in) over the course of 12 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 136 mm (5.3 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec75961361531788484101591126961
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 80%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and travel quite uncomfortable.

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 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%81%80%80%83%83%76%69%68%72%83%87%
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.
JanFebMarAprMayJunJulAugSepOctNovDec36710101111109753
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)75 mm (3.0 inches)83%moderate
February Weather3°C (37°F)96 mm (3.8 inches)81%high
March Weather9°C (48°F)136 mm (5.3 inches)80%high
April Weather12°C (55°F)152 mm (6.0 inches)80%very high
May Weather18°C (66°F)178 mm (7.0 inches)83%very high
June Weather24°C (75°F)84 mm (3.3 inches)83%extreme
July Weather26°C (79°F)84 mm (3.3 inches)76%extreme
August Weather24°C (76°F)101 mm (4.0 inches)69%very high
September Weather22°C (72°F)59 mm (2.3 inches)68%very high
October Weather15°C (58°F)112 mm (4.4 inches)72%high
November Weather7°C (45°F)69 mm (2.7 inches)83%moderate
December Weather4°C (40°F)60 mm (2.4 inches)86%moderate

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