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April Weather in Salem, United States

Last updated: June 24, 2025

In Salem, United States, the average temperature in April is a brisk 14°C (57°F). Temperatures can range from a chilly -1°C (31°F) to a warm 28°C (83°F), making it a month of diverse weather. Expect 147 mm (5.8 in) of precipitation spread over 13 days, contributing to an average humidity of 82%. Dressing in layers and being prepared for rain will enhance your experience in this captivating locale!

April Temperature in Salem

In April in Salem, the average temperature is 14°C (57°F). The maximum can reach up to 28°C (83°F), while the minimum can dip as low as -1°C (31°F). Be prepared for a wide range of temperatures if you plan to travel during this time!

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 14°C (57°F), with highs reaching up to 28°C (83°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec394350576874797772624844
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 total precipitation amount is 147 mm (5.8 in), which occurs over a span of 13 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 147 mm (5.8 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec10219214914714216211912012412284145
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 82%. With an average temperature of 14°C (57°F), this humidity feels like a thick blanket enveloping you, making outdoor activities uncomfortable and travel more challenging due to the heavy, damp air.

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 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%86%86%82%83%83%80%74%71%78%88%88%
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.
JanFebMarAprMayJunJulAugSepOctNovDec3679101111109753
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 Weather4°C (39°F)102 mm (4.0 inches)87%moderate
February Weather6°C (44°F)192 mm (7.6 inches)86%high
March Weather10°C (50°F)149 mm (5.9 inches)86%high
April Weather14°C (57°F)147 mm (5.8 inches)82%very high
May Weather20°C (68°F)142 mm (5.6 inches)82%very high
June Weather24°C (75°F)162 mm (6.4 inches)83%extreme
July Weather26°C (79°F)119 mm (4.7 inches)80%extreme
August Weather25°C (77°F)120 mm (4.7 inches)74%very high
September Weather22°C (73°F)124 mm (4.9 inches)71%very high
October Weather17°C (63°F)122 mm (4.8 inches)78%high
November Weather9°C (48°F)84 mm (3.3 inches)88%moderate
December Weather7°C (44°F)145 mm (5.7 inches)88%moderate

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