April Weather in Salem, United States

Last updated: June 24, 2025

In Salem, United States, the average temperature in April hovers around 7°C (44°F). Daily fluctuations can be dramatic, with minimums dipping as low as -16°C (4°F) and maximums soaring to 29°C (85°F). The month sees 76 mm (3.0 in) of precipitation spread over 9 days, contributing to an average humidity of 75%. Whether you’re braving the chill or enjoying the warmer days, be prepared for a diverse weather experience!

April Temperature in Salem

In April in Salem, the average temperature is 7°C (44°F). Maximums can reach 29°C (85°F) and minimums can be as low as -16°C (4°F). This wide temperature range makes it essential for travelers to pack layers to stay comfortable in varying conditions.

April Weather in Salem: Daily Temperature Highs, Lows, and Averages

The chart illustrates April 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, April typically has an average temperature of 7°C (44°F), with highs reaching up to 29°C (85°F) and lows dropping to around -16°C (4°F).
JanFebMarAprMayJunJulAugSepOctNovDec191935445973757265483525
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.

April Precipitation in Salem

In Salem in April, the precipitation amount is 76 mm (3.0 in) spread over a period of 9 days.

April Precipitation Trends in Salem

The chart displays monthly precipitation patterns in Salem, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Salem, April typically receives around 76 mm (3.0 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec1820607610475859186772335
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Salem

In Salem in April, humidity is 75%. With an average temperature of 7°C (44°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration uncomfortable and prompting frequent breaks to warm up indoors.

April Average Humidity in Salem

This chart illustrates the average monthly humidity levels in Salem, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Salem is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%81%71%75%75%82%84%82%75%72%81%79%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Salem

In Salem in April, 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 April

The chart shows the monthly maximum UV Index (UVI) for Salem in April, 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 April, the maximum UV index in Salem typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec25589111098532
Data source: Salem April 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 April 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 April’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 April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-7°C (19°F)18 mm (0.7 inches)77%low
February Weather-7°C (19°F)20 mm (0.8 inches)81%moderate
March Weather1°C (35°F)60 mm (2.4 inches)71%moderate
April Weather7°C (44°F)76 mm (3.0 inches)75%very high
May Weather15°C (59°F)104 mm (4.1 inches)74%very high
June Weather23°C (73°F)75 mm (2.9 inches)82%extreme
July Weather24°C (76°F)85 mm (3.4 inches)84%very high
August Weather22°C (72°F)90 mm (3.6 inches)82%very high
September Weather18°C (65°F)86 mm (3.4 inches)75%very high
October Weather9°C (48°F)77 mm (3.0 inches)72%moderate
November Weather1°C (35°F)23 mm (0.9 inches)81%moderate
December Weather-4°C (26°F)35 mm (1.4 inches)79%low

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