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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 8°C (47°F), with extremes ranging from a chilly -12°C (11°F) to a warm 27°C (80°F). Expect about 138 mm (5.4 in) of precipitation spread over 12 days, contributing to an average humidity of 86%.

March Temperature in Salem

In March in Salem, the average temperature is 8°C (47°F), with maximums reaching 27°C (80°F) and minimums plummeting to -12°C (11°F). Travelers should be prepared for a wide range of temperatures and pack accordingly for both warm and cold weather.

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 27°C (80°F) and lows dropping to around -12°C (11°F).
JanFebMarAprMayJunJulAugSepOctNovDec343847556774787671604440
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 138 mm (5.4 in) spread over a period 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 138 mm (5.4 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec841191381391381489810310210394105
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 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.
JanFebMarAprMayJunJulAugSepOctNovDec87%85%86%84%79%82%79%70%69%76%88%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.
JanFebMarAprMayJunJulAugSepOctNovDec35710101110108643
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 (35°F)84 mm (3.3 inches)87%moderate
February Weather3°C (38°F)119 mm (4.7 inches)85%moderate
March Weather8°C (47°F)138 mm (5.4 inches)86%high
April Weather13°C (55°F)139 mm (5.5 inches)84%very high
May Weather19°C (67°F)138 mm (5.4 inches)79%very high
June Weather24°C (75°F)148 mm (5.8 inches)82%extreme
July Weather26°C (78°F)98 mm (3.9 inches)79%very high
August Weather24°C (76°F)103 mm (4.1 inches)70%very high
September Weather22°C (71°F)102 mm (4.0 inches)69%very high
October Weather15°C (60°F)103 mm (4.0 inches)76%high
November Weather7°C (45°F)93 mm (3.7 inches)88%moderate
December Weather4°C (40°F)105 mm (4.1 inches)87%moderate

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