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April Weather in Salem, United States

Last updated: June 24, 2025

In April, the average temperature in Salem, United States hovers around 13°C (56°F), making it a mild yet unpredictable time of year. The range can swing dramatically, with minimums dipping as low as -4°C (26°F) and maximums soaring up to 30°C (86°F). Expect about 127 mm (5.0 in) of rainfall spread over 11 days, contributing to an average humidity of 83%. Dress for versatility and be prepared for the elements!

April Temperature in Salem

In April in Salem, the average temperature is 13°C (56°F). Maximum temperatures can reach 30°C (86°F), while minimums can drop as low as -4°C (26°F). Be prepared for a wide range of temperatures during your travels, so pack accordingly!

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 13°C (56°F), with highs reaching up to 30°C (86°F) and lows dropping to around -4°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec323647556877797672594439
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 127 mm (5.0 in), occurring over 11 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 127 mm (5.0 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec839013812716011095100641178579
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 83%. With an average temperature of 13°C (56°F), this humidity feels like a damp blanket wrapping around you, making travel a bit uncomfortable as the air feels heavy and the moisture clings to your skin.

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 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%82%84%83%80%83%82%83%79%79%88%87%
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 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check 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 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357911111099643
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 Weather0°C (33°F)83 mm (3.3 inches)84%moderate
February Weather2°C (36°F)89 mm (3.5 inches)82%moderate
March Weather8°C (47°F)138 mm (5.4 inches)84%high
April Weather13°C (56°F)127 mm (5.0 inches)83%very high
May Weather20°C (68°F)160 mm (6.3 inches)80%extreme
June Weather25°C (77°F)110 mm (4.3 inches)83%extreme
July Weather26°C (80°F)95 mm (3.8 inches)82%very high
August Weather25°C (76°F)100 mm (3.9 inches)82%very high
September Weather22°C (73°F)64 mm (2.5 inches)79%very high
October Weather15°C (60°F)117 mm (4.6 inches)79%high
November Weather7°C (44°F)84 mm (3.3 inches)88%moderate
December Weather4°C (39°F)79 mm (3.1 inches)87%moderate

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