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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 8°C (46°F). Expect a chilly minimum of -9°C (16°F), while the mercury can rise to a comfortable 26°C (79°F). Precipitation averages 47 mm (1.9 in) over about 9 days, accompanied by an average humidity of 69%, creating a refreshing atmosphere.

April Temperature in Salem

In April in Salem, the average temperature is 8°C (46°F). Maximum temperatures can reach up to 26°C (79°F), while the minimum can drop as low as -9°C (16°F). Be prepared for a diverse range of weather conditions when traveling 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 8°C (46°F), with highs reaching up to 26°C (79°F) and lows dropping to around -9°C (16°F).
JanFebMarAprMayJunJulAugSepOctNovDec242837465771797666483926
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 47 mm (1.9 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 47 mm (1.9 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec535560474211101723373249
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 69%. With an average temperature of 8°C (46°F), this humidity feels like a damp chill that wraps around you, making outdoor exploration both refreshing and invigorating, but you'll want to dress warmly to stay comfortable while traveling.

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 69%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%77%70%54%45%37%34%47%67%82%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 reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more 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 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46910111212119753
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-4°C (25°F)53 mm (2.1 inches)87%moderate
February Weather-2°C (29°F)55 mm (2.2 inches)88%high
March Weather3°C (37°F)60 mm (2.4 inches)77%very high
April Weather8°C (46°F)47 mm (1.9 inches)69%very high
May Weather14°C (57°F)41 mm (1.6 inches)54%extreme
June Weather22°C (71°F)11 mm (0.4 inches)45%extreme
July Weather26°C (79°F)10 mm (0.4 inches)37%extreme
August Weather24°C (76°F)17 mm (0.7 inches)34%extreme
September Weather19°C (66°F)23 mm (0.9 inches)47%very high
October Weather9°C (49°F)37 mm (1.5 inches)67%high
November Weather4°C (39°F)32 mm (1.3 inches)82%moderate
December Weather-3°C (26°F)49 mm (1.9 inches)87%moderate

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