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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 12°C (55°F). However, be prepared for a wide range, as temperatures can dip to a chilly -5°C (23°F) or rise to a balmy 31°C (88°F). Expect 152 mm (6.0 in) of precipitation spread over 13 days, contributing to an average humidity of 80%. Stay comfortable and don’t forget your umbrella!

April Temperature in Salem

In April in Salem, the average temperature is 12°C (55°F). The maximum can reach 31°C (88°F) and the minimum can be as low as -5°C (23°F). Travelers should prepare for a wide range of temperatures and pack accordingly for both warm and cold weather.

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 12°C (55°F), with highs reaching up to 31°C (88°F) and lows dropping to around -5°C (23°F).
JanFebMarAprMayJunJulAugSepOctNovDec343748546574787571584540
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 152 mm (6.0 in) occurring over 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 152 mm (6.0 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec75961361531788484101591126961
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 80%. With an average temperature of 12°C (55°F), this humidity feels like a damp blanket wrapping around you, making it essential to choose breathable clothing and stay hydrated while exploring the area.

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 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%81%80%80%83%83%76%69%68%72%83%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.
JanFebMarAprMayJunJulAugSepOctNovDec36710101111109753
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 Weather1°C (34°F)75 mm (3.0 inches)83%moderate
February Weather3°C (37°F)96 mm (3.8 inches)81%high
March Weather9°C (48°F)136 mm (5.3 inches)80%high
April Weather12°C (55°F)152 mm (6.0 inches)80%very high
May Weather18°C (66°F)178 mm (7.0 inches)83%very high
June Weather24°C (75°F)84 mm (3.3 inches)83%extreme
July Weather26°C (79°F)84 mm (3.3 inches)76%extreme
August Weather24°C (76°F)101 mm (4.0 inches)69%very high
September Weather22°C (72°F)59 mm (2.3 inches)68%very high
October Weather15°C (58°F)112 mm (4.4 inches)72%high
November Weather7°C (45°F)69 mm (2.7 inches)83%moderate
December Weather4°C (40°F)60 mm (2.4 inches)86%moderate

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